mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-06-25 15:02:13 +00:00
lib: Move all str ops functions to one src file
Move all string operations functions into a single source code file, instead of the various source code files that just implement a single or few function. No functional change. Signed-off-by: Kaige Fu <kaige.fu@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Kaige Fu
lijinxia
parent
7aaff68798
commit
497eadcb9a
@ -119,18 +119,13 @@ C_SRCS += arch/x86/guest/ucode.c
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C_SRCS += arch/x86/guest/pm.c
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C_SRCS += arch/x86/guest/pm.c
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C_SRCS += lib/spinlock.c
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C_SRCS += lib/spinlock.c
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C_SRCS += lib/udelay.c
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C_SRCS += lib/udelay.c
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C_SRCS += lib/strnlen.c
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C_SRCS += lib/memchr.c
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C_SRCS += lib/memchr.c
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C_SRCS += lib/stdlib.c
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C_SRCS += lib/memcpy.c
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C_SRCS += lib/memcpy.c
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C_SRCS += lib/strtol.c
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C_SRCS += lib/mdelay.c
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C_SRCS += lib/mdelay.c
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C_SRCS += lib/div.c
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C_SRCS += lib/div.c
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C_SRCS += lib/strchr.c
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C_SRCS += lib/string.c
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C_SRCS += lib/strcpy.c
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C_SRCS += lib/memset.c
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C_SRCS += lib/memset.c
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C_SRCS += lib/mem_mgt.c
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C_SRCS += lib/mem_mgt.c
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C_SRCS += lib/strncpy.c
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C_SRCS += lib/crypto/tinycrypt/hmac.c
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C_SRCS += lib/crypto/tinycrypt/hmac.c
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C_SRCS += lib/crypto/tinycrypt/sha256.c
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C_SRCS += lib/crypto/tinycrypt/sha256.c
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C_SRCS += lib/crypto/hkdf.c
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C_SRCS += lib/crypto/hkdf.c
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@ -41,7 +41,6 @@
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#include <util.h>
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#include <util.h>
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#include <list.h>
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#include <list.h>
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#include <bits.h>
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#include <bits.h>
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#include <strtol.h>
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#include <sprintf.h>
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#include <sprintf.h>
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#endif /* HV_LIB_H */
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#endif /* HV_LIB_H */
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@ -64,6 +64,9 @@ void *memset(void *base, uint8_t v, size_t n);
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void *memcpy_s(void *d, size_t dmax, const void *s, size_t slen);
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void *memcpy_s(void *d, size_t dmax, const void *s, size_t slen);
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int udiv64(uint64_t dividend, uint64_t divisor, struct udiv_result *res);
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int udiv64(uint64_t dividend, uint64_t divisor, struct udiv_result *res);
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int udiv32(uint32_t dividend, uint32_t divisor, struct udiv_result *res);
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int udiv32(uint32_t dividend, uint32_t divisor, struct udiv_result *res);
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int atoi(const char *str);
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long strtol(const char *nptr, char **endptr, register int base);
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uint64_t strtoul(const char *nptr, char **endptr, register int base);
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extern uint64_t tsc_hz;
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extern uint64_t tsc_hz;
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#define US_TO_TICKS(x) ((x) * tsc_hz / 1000000UL)
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#define US_TO_TICKS(x) ((x) * tsc_hz / 1000000UL)
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@ -1,38 +0,0 @@
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/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef STRTOL_H
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#define STRTOL_H
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int atoi(const char *str);
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long strtol(const char *nptr, char **endptr, register int base);
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uint64_t strtoul(const char *nptr, char **endptr, register int base);
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#endif /* !STRTOL_H */
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@ -1,62 +0,0 @@
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/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <hypervisor.h>
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#include <hv_lib.h>
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char hexdigit(int decimal_val)
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{
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static const char hexdigits[] = { '0', '1', '2', '3', '4', '5', '6',
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'7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
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/* Return hex character */
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return hexdigits[decimal_val & 0x0F];
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}
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int strcmp(const char *s1, const char *s2)
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{
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while (*s1 && *s2 && *s1 == *s2) {
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s1++;
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s2++;
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}
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return *s1 - *s2;
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}
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int strncmp(const char *s1, const char *s2, size_t n)
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{
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while (n - 1 && *s1 && *s2 && *s1 == *s2) {
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s1++;
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s2++;
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n--;
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}
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return *s1 - *s2;
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}
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@ -1,39 +0,0 @@
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/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rtl.h>
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char *strchr(const char *s, int ch)
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{
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while (*s && (*s != ch))
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++s;
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return (*s) ? ((char *)s) : 0;
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}
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@ -1,104 +0,0 @@
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/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <hv_lib.h>
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#include <acrn_common.h>
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#include <hv_arch.h>
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#include <hv_debug.h>
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/**
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*strcpy_s
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*
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* description:
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* This function copies the string pointed to by s to a buffer
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* pointed by d.
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*
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*
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* input:
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* d pointer to dest buffer.
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*
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* dmax maximum length of dest buffer
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*
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* s pointer to the source string
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*
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* return value:
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* dest pointer to dest string if string is copied
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* successfully,or else return null.
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*
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* notes:
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* 1) both d and s shall not be null pointers.
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* 2) dmax shall not 0.
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*/
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char *strcpy_s(char *d, size_t dmax, const char *s)
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{
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char *dest_base;
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size_t dest_avail;
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uint64_t overlap_guard;
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if (s == NULL || d == NULL || dmax == 0) {
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pr_err("%s: invalid src, dest buffer or length.", __func__);
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return NULL;
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}
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if (s == d)
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return d;
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overlap_guard = (uint64_t)((d > s) ? (d - s - 1) : (s - d - 1));
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dest_avail = dmax;
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dest_base = d;
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while (dest_avail > 0) {
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if (overlap_guard == 0) {
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pr_err("%s: overlap happened.", __func__);
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*(--d) = '\0';
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return NULL;
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}
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*d = *s;
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if (*d == '\0')
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return dest_base;
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d++;
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s++;
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dest_avail--;
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overlap_guard--;
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}
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pr_err("%s: dest buffer has no enough space.", __func__);
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/*
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* to avoid a string that is not
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* null-terminated in dest buffer
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*/
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dest_base[dmax - 1] = '\0';
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return NULL;
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}
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588
hypervisor/lib/string.c
Normal file
588
hypervisor/lib/string.c
Normal file
@ -0,0 +1,588 @@
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/*
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* Copyright (C) 2018 Intel Corporation.
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/* FIXME: It'd be nice to configure around these, but the include files are too
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* painful. These macros should at least be more portable than hardwired hex
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* constants.
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*/
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#include <types.h>
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#include <hv_lib.h>
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#include <acrn_common.h>
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#include <hv_arch.h>
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#include <hv_debug.h>
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#include <hypervisor.h>
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/* Categories. */
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enum {
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/* In C99 */
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_sch_isblank = 0x0001, /* space \t */
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_sch_iscntrl = 0x0002, /* nonprinting characters */
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_sch_isdigit = 0x0004, /* 0-9 */
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_sch_islower = 0x0008, /* a-z */
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_sch_isprint = 0x0010, /* any printing character including ' ' */
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_sch_ispunct = 0x0020, /* all punctuation */
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_sch_isspace = 0x0040, /* space \t \n \r \f \v */
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_sch_isupper = 0x0080, /* A-Z */
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_sch_isxdigit = 0x0100, /* 0-9A-Fa-f */
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/* Extra categories useful to cpplib. */
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_sch_isidst = 0x0200, /* A-Za-z_ */
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_sch_isvsp = 0x0400, /* \n \r */
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_sch_isnvsp = 0x0800, /* space \t \f \v \0 */
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/* Combinations of the above. */
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_sch_isalpha = _sch_isupper|_sch_islower, /* A-Za-z */
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_sch_isalnum = _sch_isalpha|_sch_isdigit, /* A-Za-z0-9 */
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_sch_isidnum = _sch_isidst|_sch_isdigit, /* A-Za-z0-9_ */
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_sch_isgraph = _sch_isalnum|_sch_ispunct, /* isprint and not space */
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_sch_iscppsp = _sch_isvsp|_sch_isnvsp, /* isspace + \0 */
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/* basic charset of ISO C (plus ` and @) */
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_sch_isbasic = _sch_isprint|_sch_iscppsp
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};
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/* Shorthand */
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#define bl _sch_isblank
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#define cn _sch_iscntrl
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#define di _sch_isdigit
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#define is _sch_isidst
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#define lo _sch_islower
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#define nv _sch_isnvsp
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#define pn _sch_ispunct
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#define pr _sch_isprint
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#define sp _sch_isspace
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#define up _sch_isupper
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#define vs _sch_isvsp
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#define xd _sch_isxdigit
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/* Masks. */
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||||||
|
#define L ((const uint16_t)(lo | is | pr)) /* lower case letter */
|
||||||
|
#define XL ((const uint16_t)(lo | is | xd | pr))/* lowercase hex digit */
|
||||||
|
#define U ((const uint16_t)(up | is | pr)) /* upper case letter */
|
||||||
|
#define XU ((const uint16_t)(up | is | xd | pr))/* uppercase hex digit */
|
||||||
|
#define D ((const uint16_t)(di | xd | pr)) /* decimal digit */
|
||||||
|
#define P ((const uint16_t)(pn | pr)) /* punctuation */
|
||||||
|
#define _ ((const uint16_t)(pn | is | pr)) /* underscore */
|
||||||
|
|
||||||
|
#define C ((const uint16_t)(cn)) /* control character */
|
||||||
|
#define Z ((const uint16_t)(nv | cn)) /* NUL */
|
||||||
|
#define M ((const uint16_t)(nv | sp | cn)) /* cursor movement: \f \v */
|
||||||
|
#define V ((const uint16_t)(vs | sp | cn)) /* vertical space: \r \n */
|
||||||
|
#define T ((const uint16_t)(nv | sp | bl | cn))/* tab */
|
||||||
|
#define S ((const uint16_t)(nv | sp | bl | pr))/* space */
|
||||||
|
|
||||||
|
/* Character classification. */
|
||||||
|
const uint16_t _sch_istable[256] = {
|
||||||
|
Z, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */
|
||||||
|
C, T, V, M, M, V, C, C, /* BS HT LF VT FF CR SO SI */
|
||||||
|
C, C, C, C, C, C, C, C, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
|
||||||
|
C, C, C, C, C, C, C, C, /* CAN EM SUB ESC FS GS RS US */
|
||||||
|
S, P, P, P, P, P, P, P, /* SP ! " # $ % & ' */
|
||||||
|
P, P, P, P, P, P, P, P, /* ( ) * + , - . / */
|
||||||
|
D, D, D, D, D, D, D, D, /* 0 1 2 3 4 5 6 7 */
|
||||||
|
D, D, P, P, P, P, P, P, /* 8 9 : ; < = > ? */
|
||||||
|
P, XU, XU, XU, XU, XU, XU, U, /* @ A B C D E F G */
|
||||||
|
U, U, U, U, U, U, U, U, /* H I J K L M N O */
|
||||||
|
U, U, U, U, U, U, U, U, /* P Q R S T U V W */
|
||||||
|
U, U, U, P, P, P, P, _, /* X Y Z [ \ ] ^ _ */
|
||||||
|
P, XL, XL, XL, XL, XL, XL, L, /* ` a b c d e f g */
|
||||||
|
L, L, L, L, L, L, L, L, /* h i j k l m n o */
|
||||||
|
L, L, L, L, L, L, L, L, /* p q r s t u v w */
|
||||||
|
L, L, L, P, P, P, P, C, /* x y z { | } ~ DEL */
|
||||||
|
|
||||||
|
/* high half of unsigned char is locale-specific, so all tests are
|
||||||
|
* false in "C" locale
|
||||||
|
*/
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
};
|
||||||
|
|
||||||
|
#define _sch_test(c, bit) (_sch_istable[(c) & 0xff] & (uint16_t)(bit))
|
||||||
|
|
||||||
|
#define ISALPHA(c) _sch_test(c, _sch_isalpha)
|
||||||
|
#define ISALNUM(c) _sch_test(c, _sch_isalnum)
|
||||||
|
#define ISBLANK(c) _sch_test(c, _sch_isblank)
|
||||||
|
#define ISCNTRL(c) _sch_test(c, _sch_iscntrl)
|
||||||
|
#define ISDIGIT(c) _sch_test(c, _sch_isdigit)
|
||||||
|
#define ISGRAPH(c) _sch_test(c, _sch_isgraph)
|
||||||
|
#define ISLOWER(c) _sch_test(c, _sch_islower)
|
||||||
|
#define ISPRINT(c) _sch_test(c, _sch_isprint)
|
||||||
|
#define ISPUNCT(c) _sch_test(c, _sch_ispunct)
|
||||||
|
#define ISSPACE(c) _sch_test(c, _sch_isspace)
|
||||||
|
#define ISUPPER(c) _sch_test(c, _sch_isupper)
|
||||||
|
#define ISXDIGIT(c) _sch_test(c, _sch_isxdigit)
|
||||||
|
|
||||||
|
#define ISIDNUM(c) _sch_test(c, _sch_isidnum)
|
||||||
|
#define ISIDST(c) _sch_test(c, _sch_isidst)
|
||||||
|
#define IS_ISOBASIC(c) _sch_test(c, _sch_isbasic)
|
||||||
|
#define IS_VSPACE(c) _sch_test(c, _sch_isvsp)
|
||||||
|
#define IS_NVSPACE(c) _sch_test(c, _sch_isnvsp)
|
||||||
|
#define IS_SPACE_OR_NUL(c) _sch_test(c, _sch_iscppsp)
|
||||||
|
|
||||||
|
/* Character transformation. */
|
||||||
|
const uint8_t _sch_tolower[256] = {
|
||||||
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
||||||
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
||||||
|
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
||||||
|
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
||||||
|
64,
|
||||||
|
|
||||||
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
|
||||||
|
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
|
||||||
|
|
||||||
|
91, 92, 93, 94, 95, 96,
|
||||||
|
|
||||||
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
|
||||||
|
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
|
||||||
|
|
||||||
|
123, 124, 125, 126, 127,
|
||||||
|
|
||||||
|
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
|
||||||
|
142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155,
|
||||||
|
156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
|
||||||
|
170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
|
||||||
|
184, 185, 186, 187, 188, 189, 190, 191,
|
||||||
|
|
||||||
|
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
|
||||||
|
206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
|
||||||
|
220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
|
||||||
|
234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
|
||||||
|
248, 249, 250, 251, 252, 253, 254, 255,
|
||||||
|
};
|
||||||
|
|
||||||
|
const uint8_t _sch_toupper[256] = {
|
||||||
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
||||||
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
||||||
|
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
||||||
|
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
||||||
|
64,
|
||||||
|
|
||||||
|
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
|
||||||
|
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
|
||||||
|
|
||||||
|
91, 92, 93, 94, 95, 96,
|
||||||
|
|
||||||
|
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
|
||||||
|
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
|
||||||
|
|
||||||
|
123, 124, 125, 126, 127,
|
||||||
|
|
||||||
|
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
|
||||||
|
142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155,
|
||||||
|
156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
|
||||||
|
170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
|
||||||
|
184, 185, 186, 187, 188, 189, 190, 191,
|
||||||
|
|
||||||
|
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
|
||||||
|
206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
|
||||||
|
220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
|
||||||
|
234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
|
||||||
|
248, 249, 250, 251, 252, 253, 254, 255,
|
||||||
|
};
|
||||||
|
|
||||||
|
#define TOUPPER(c) _sch_toupper[(c) & 0xff]
|
||||||
|
#define TOLOWER(c) _sch_tolower[(c) & 0xff]
|
||||||
|
|
||||||
|
#ifndef ULONG_MAX
|
||||||
|
#define ULONG_MAX ((uint64_t)(~0L)) /* 0xFFFFFFFF */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef LONG_MAX
|
||||||
|
#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef LONG_MIN
|
||||||
|
#define LONG_MIN ((long)(~LONG_MAX)) /* 0x80000000 */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Convert a string to a long integer.
|
||||||
|
*
|
||||||
|
* Ignores `locale' stuff. Assumes that the upper and lower case
|
||||||
|
* alphabets and digits are each contiguous.
|
||||||
|
*/
|
||||||
|
long
|
||||||
|
strtol(const char *nptr, char **endptr, register int base)
|
||||||
|
{
|
||||||
|
register const char *s = nptr;
|
||||||
|
register uint64_t acc;
|
||||||
|
register int c;
|
||||||
|
register uint64_t cutoff;
|
||||||
|
register int neg = 0, any, cutlim;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Skip white space and pick up leading +/- sign if any.
|
||||||
|
* If base is 0, allow 0x for hex and 0 for octal, else
|
||||||
|
* assume decimal; if base is already 16, allow 0x.
|
||||||
|
*/
|
||||||
|
do {
|
||||||
|
c = *s++;
|
||||||
|
} while (ISSPACE(c));
|
||||||
|
if (c == '-') {
|
||||||
|
neg = 1;
|
||||||
|
c = *s++;
|
||||||
|
} else if (c == '+')
|
||||||
|
c = *s++;
|
||||||
|
if ((base == 0 || base == 16) &&
|
||||||
|
c == '0' && (*s == 'x' || *s == 'X')) {
|
||||||
|
c = s[1];
|
||||||
|
s += 2;
|
||||||
|
base = 16;
|
||||||
|
}
|
||||||
|
if (base == 0)
|
||||||
|
base = c == '0' ? 8 : 10;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Compute the cutoff value between legal numbers and illegal
|
||||||
|
* numbers. That is the largest legal value, divided by the
|
||||||
|
* base. An input number that is greater than this value, if
|
||||||
|
* followed by a legal input character, is too big. One that
|
||||||
|
* is equal to this value may be valid or not; the limit
|
||||||
|
* between valid and invalid numbers is then based on the last
|
||||||
|
* digit. For instance, if the range for longs is
|
||||||
|
* [-2147483648..2147483647] and the input base is 10,
|
||||||
|
* cutoff will be set to 214748364 and cutlim to either
|
||||||
|
* 7 (neg==0) or 8 (neg==1), meaning that if we have accumulated
|
||||||
|
* a value > 214748364, or equal but the next digit is > 7 (or 8),
|
||||||
|
* the number is too big, and we will return a range error.
|
||||||
|
*
|
||||||
|
* Set any if any `digits' consumed; make it negative to indicate
|
||||||
|
* overflow.
|
||||||
|
*/
|
||||||
|
cutoff = neg ? -(uint64_t)LONG_MIN : LONG_MAX;
|
||||||
|
cutlim = cutoff % (uint64_t)base;
|
||||||
|
cutoff /= (uint64_t)base;
|
||||||
|
for (acc = 0, any = 0;; c = *s++) {
|
||||||
|
if (ISDIGIT(c))
|
||||||
|
c -= '0';
|
||||||
|
else if (ISALPHA(c))
|
||||||
|
c -= ISUPPER(c) ? 'A' - 10 : 'a' - 10;
|
||||||
|
else
|
||||||
|
break;
|
||||||
|
if (c >= base)
|
||||||
|
break;
|
||||||
|
if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
|
||||||
|
any = -1;
|
||||||
|
else {
|
||||||
|
any = 1;
|
||||||
|
acc *= base;
|
||||||
|
acc += c;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (any < 0)
|
||||||
|
acc = neg ? LONG_MIN : LONG_MAX;
|
||||||
|
else if (neg)
|
||||||
|
acc = -acc;
|
||||||
|
if (endptr != 0)
|
||||||
|
*endptr = (char *) (any ? s - 1 : nptr);
|
||||||
|
return acc;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Convert a string to an uint64_t integer.
|
||||||
|
*
|
||||||
|
* Ignores `locale' stuff. Assumes that the upper and lower case
|
||||||
|
* alphabets and digits are each contiguous.
|
||||||
|
*/
|
||||||
|
uint64_t
|
||||||
|
strtoul(const char *nptr, char **endptr, register int base)
|
||||||
|
{
|
||||||
|
register const char *s = nptr;
|
||||||
|
register uint64_t acc;
|
||||||
|
register int c;
|
||||||
|
register uint64_t cutoff;
|
||||||
|
register int neg = 0, any, cutlim;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* See strtol for comments as to the logic used.
|
||||||
|
*/
|
||||||
|
do {
|
||||||
|
c = *s++;
|
||||||
|
} while (ISSPACE(c));
|
||||||
|
if (c == '-') {
|
||||||
|
neg = 1;
|
||||||
|
c = *s++;
|
||||||
|
} else if (c == '+')
|
||||||
|
c = *s++;
|
||||||
|
if ((base == 0 || base == 16) &&
|
||||||
|
c == '0' && (*s == 'x' || *s == 'X')) {
|
||||||
|
c = s[1];
|
||||||
|
s += 2;
|
||||||
|
base = 16;
|
||||||
|
}
|
||||||
|
if (base == 0)
|
||||||
|
base = c == '0' ? 8 : 10;
|
||||||
|
cutoff = (uint64_t)ULONG_MAX / (uint64_t)base;
|
||||||
|
cutlim = (uint64_t)ULONG_MAX % (uint64_t)base;
|
||||||
|
for (acc = 0, any = 0;; c = *s++) {
|
||||||
|
if (ISDIGIT(c))
|
||||||
|
c -= '0';
|
||||||
|
else if (ISALPHA(c))
|
||||||
|
c -= ISUPPER(c) ? 'A' - 10 : 'a' - 10;
|
||||||
|
else
|
||||||
|
break;
|
||||||
|
if (c >= base)
|
||||||
|
break;
|
||||||
|
if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
|
||||||
|
any = -1;
|
||||||
|
else {
|
||||||
|
any = 1;
|
||||||
|
acc *= base;
|
||||||
|
acc += c;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (any < 0)
|
||||||
|
acc = ULONG_MAX;
|
||||||
|
else if (neg)
|
||||||
|
acc = -acc;
|
||||||
|
if (endptr != 0)
|
||||||
|
*endptr = (char *) (any ? s - 1 : nptr);
|
||||||
|
return acc;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
atoi(const char *str)
|
||||||
|
{
|
||||||
|
return (int)strtol(str, (char **)NULL, 10);
|
||||||
|
}
|
||||||
|
|
||||||
|
char *strchr(const char *s, int ch)
|
||||||
|
{
|
||||||
|
while (*s && (*s != ch))
|
||||||
|
++s;
|
||||||
|
|
||||||
|
return (*s) ? ((char *)s) : 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
*strcpy_s
|
||||||
|
*
|
||||||
|
* description:
|
||||||
|
* This function copies the string pointed to by s to a buffer
|
||||||
|
* pointed by d.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* input:
|
||||||
|
* d pointer to dest buffer.
|
||||||
|
*
|
||||||
|
* dmax maximum length of dest buffer
|
||||||
|
*
|
||||||
|
* s pointer to the source string
|
||||||
|
*
|
||||||
|
* return value:
|
||||||
|
* dest pointer to dest string if string is copied
|
||||||
|
* successfully,or else return null.
|
||||||
|
*
|
||||||
|
* notes:
|
||||||
|
* 1) both d and s shall not be null pointers.
|
||||||
|
* 2) dmax shall not 0.
|
||||||
|
*/
|
||||||
|
char *strcpy_s(char *d, size_t dmax, const char *s)
|
||||||
|
{
|
||||||
|
|
||||||
|
char *dest_base;
|
||||||
|
size_t dest_avail;
|
||||||
|
uint64_t overlap_guard;
|
||||||
|
|
||||||
|
if (s == NULL || d == NULL || dmax == 0) {
|
||||||
|
pr_err("%s: invalid src, dest buffer or length.", __func__);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (s == d)
|
||||||
|
return d;
|
||||||
|
|
||||||
|
overlap_guard = (uint64_t)((d > s) ? (d - s - 1) : (s - d - 1));
|
||||||
|
|
||||||
|
dest_avail = dmax;
|
||||||
|
dest_base = d;
|
||||||
|
|
||||||
|
while (dest_avail > 0) {
|
||||||
|
if (overlap_guard == 0) {
|
||||||
|
pr_err("%s: overlap happened.", __func__);
|
||||||
|
*(--d) = '\0';
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
*d = *s;
|
||||||
|
if (*d == '\0')
|
||||||
|
return dest_base;
|
||||||
|
|
||||||
|
d++;
|
||||||
|
s++;
|
||||||
|
dest_avail--;
|
||||||
|
overlap_guard--;
|
||||||
|
}
|
||||||
|
|
||||||
|
pr_err("%s: dest buffer has no enough space.", __func__);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* to avoid a string that is not
|
||||||
|
* null-terminated in dest buffer
|
||||||
|
*/
|
||||||
|
dest_base[dmax - 1] = '\0';
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* strncpy_s
|
||||||
|
*
|
||||||
|
* description:
|
||||||
|
* This function copies maximum 'slen'characters from string pointed
|
||||||
|
* by s to a buffer pointed by d.
|
||||||
|
*
|
||||||
|
* input:
|
||||||
|
* d pointer to dest buffer.
|
||||||
|
*
|
||||||
|
* dmax maximum length of dest buffer.
|
||||||
|
*
|
||||||
|
* s pointer to the source string.
|
||||||
|
*
|
||||||
|
* slen the maximum number of characters to copy from source
|
||||||
|
* string.
|
||||||
|
*
|
||||||
|
* return value:
|
||||||
|
* dest pointer to dest string if source string is copied
|
||||||
|
* successfully, or else return null.
|
||||||
|
*
|
||||||
|
* notes:
|
||||||
|
* 1) both dmax and slen should not be 0.
|
||||||
|
* 2) both d and s should not be null pointers.
|
||||||
|
* 3) will assert() if overlap happens or dest buffer has no
|
||||||
|
* enough space.
|
||||||
|
*/
|
||||||
|
char *strncpy_s(char *d, size_t dmax, const char *s, size_t slen)
|
||||||
|
{
|
||||||
|
char *dest_base;
|
||||||
|
size_t dest_avail;
|
||||||
|
uint64_t overlap_guard;
|
||||||
|
|
||||||
|
if (d == NULL || s == NULL) {
|
||||||
|
pr_err("%s: invlaid src or dest buffer", __func__);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (dmax == 0 || slen == 0) {
|
||||||
|
pr_err("%s: invlaid length of src or dest buffer", __func__);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (d == s)
|
||||||
|
return d;
|
||||||
|
|
||||||
|
overlap_guard = (uint64_t)((d > s) ? (d - s - 1) : (s - d - 1));
|
||||||
|
|
||||||
|
dest_base = d;
|
||||||
|
dest_avail = dmax;
|
||||||
|
|
||||||
|
while (dest_avail > 0) {
|
||||||
|
if (overlap_guard == 0) {
|
||||||
|
pr_err("%s: overlap happened.", __func__);
|
||||||
|
*(--d) = '\0';
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (slen == 0) {
|
||||||
|
*d = '\0';
|
||||||
|
return dest_base;
|
||||||
|
}
|
||||||
|
|
||||||
|
*d = *s;
|
||||||
|
if (*d == '\0')
|
||||||
|
return dest_base;
|
||||||
|
|
||||||
|
d++;
|
||||||
|
s++;
|
||||||
|
slen--;
|
||||||
|
dest_avail--;
|
||||||
|
overlap_guard--;
|
||||||
|
}
|
||||||
|
|
||||||
|
pr_err("%s: dest buffer has no enough space.", __func__);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* to avoid a string that is not
|
||||||
|
* null-terminated in dest buffer
|
||||||
|
*/
|
||||||
|
dest_base[dmax - 1] = '\0';
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* strnlen_s
|
||||||
|
*
|
||||||
|
* description:
|
||||||
|
* The function calculates the length of the string pointed
|
||||||
|
* to by str.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* input:
|
||||||
|
* str pointer to the null-terminated string to be examined.
|
||||||
|
*
|
||||||
|
* dmax maximum number of characer to examine.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* return value:
|
||||||
|
* string length, excluding the null character.
|
||||||
|
* will return 0 if str is null.
|
||||||
|
*/
|
||||||
|
size_t strnlen_s(const char *str, size_t maxlen)
|
||||||
|
{
|
||||||
|
size_t count;
|
||||||
|
|
||||||
|
if (str == NULL)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
count = 0;
|
||||||
|
while (*str) {
|
||||||
|
if (maxlen == 0)
|
||||||
|
break;
|
||||||
|
|
||||||
|
count++;
|
||||||
|
maxlen--;
|
||||||
|
str++;
|
||||||
|
}
|
||||||
|
|
||||||
|
return count;
|
||||||
|
}
|
||||||
|
|
||||||
|
char hexdigit(int decimal_val)
|
||||||
|
{
|
||||||
|
static const char hexdigits[] = { '0', '1', '2', '3', '4', '5', '6',
|
||||||
|
'7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
|
||||||
|
|
||||||
|
/* Return hex character */
|
||||||
|
return hexdigits[decimal_val & 0x0F];
|
||||||
|
}
|
||||||
|
|
||||||
|
int strcmp(const char *s1, const char *s2)
|
||||||
|
{
|
||||||
|
while (*s1 && *s2 && *s1 == *s2) {
|
||||||
|
s1++;
|
||||||
|
s2++;
|
||||||
|
}
|
||||||
|
|
||||||
|
return *s1 - *s2;
|
||||||
|
}
|
||||||
|
|
||||||
|
int strncmp(const char *s1, const char *s2, size_t n)
|
||||||
|
{
|
||||||
|
while (n - 1 && *s1 && *s2 && *s1 == *s2) {
|
||||||
|
s1++;
|
||||||
|
s2++;
|
||||||
|
n--;
|
||||||
|
}
|
||||||
|
|
||||||
|
return *s1 - *s2;
|
||||||
|
}
|
||||||
@ -1,118 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions
|
|
||||||
* are met:
|
|
||||||
*
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in
|
|
||||||
* the documentation and/or other materials provided with the
|
|
||||||
* distribution.
|
|
||||||
* * Neither the name of Intel Corporation nor the names of its
|
|
||||||
* contributors may be used to endorse or promote products derived
|
|
||||||
* from this software without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <hv_lib.h>
|
|
||||||
#include <acrn_common.h>
|
|
||||||
#include <hv_arch.h>
|
|
||||||
#include <hv_debug.h>
|
|
||||||
|
|
||||||
/*
|
|
||||||
* strncpy_s
|
|
||||||
*
|
|
||||||
* description:
|
|
||||||
* This function copies maximum 'slen'characters from string pointed
|
|
||||||
* by s to a buffer pointed by d.
|
|
||||||
*
|
|
||||||
* input:
|
|
||||||
* d pointer to dest buffer.
|
|
||||||
*
|
|
||||||
* dmax maximum length of dest buffer.
|
|
||||||
*
|
|
||||||
* s pointer to the source string.
|
|
||||||
*
|
|
||||||
* slen the maximum number of characters to copy from source
|
|
||||||
* string.
|
|
||||||
*
|
|
||||||
* return value:
|
|
||||||
* dest pointer to dest string if source string is copied
|
|
||||||
* successfully, or else return null.
|
|
||||||
*
|
|
||||||
* notes:
|
|
||||||
* 1) both dmax and slen should not be 0.
|
|
||||||
* 2) both d and s should not be null pointers.
|
|
||||||
* 3) will assert() if overlap happens or dest buffer has no
|
|
||||||
* enough space.
|
|
||||||
*/
|
|
||||||
char *strncpy_s(char *d, size_t dmax, const char *s, size_t slen)
|
|
||||||
{
|
|
||||||
char *dest_base;
|
|
||||||
size_t dest_avail;
|
|
||||||
uint64_t overlap_guard;
|
|
||||||
|
|
||||||
if (d == NULL || s == NULL) {
|
|
||||||
pr_err("%s: invlaid src or dest buffer", __func__);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (dmax == 0 || slen == 0) {
|
|
||||||
pr_err("%s: invlaid length of src or dest buffer", __func__);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (d == s)
|
|
||||||
return d;
|
|
||||||
|
|
||||||
overlap_guard = (uint64_t)((d > s) ? (d - s - 1) : (s - d - 1));
|
|
||||||
|
|
||||||
dest_base = d;
|
|
||||||
dest_avail = dmax;
|
|
||||||
|
|
||||||
while (dest_avail > 0) {
|
|
||||||
if (overlap_guard == 0) {
|
|
||||||
pr_err("%s: overlap happened.", __func__);
|
|
||||||
*(--d) = '\0';
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (slen == 0) {
|
|
||||||
*d = '\0';
|
|
||||||
return dest_base;
|
|
||||||
}
|
|
||||||
|
|
||||||
*d = *s;
|
|
||||||
if (*d == '\0')
|
|
||||||
return dest_base;
|
|
||||||
|
|
||||||
d++;
|
|
||||||
s++;
|
|
||||||
slen--;
|
|
||||||
dest_avail--;
|
|
||||||
overlap_guard--;
|
|
||||||
}
|
|
||||||
|
|
||||||
pr_err("%s: dest buffer has no enough space.", __func__);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* to avoid a string that is not
|
|
||||||
* null-terminated in dest buffer
|
|
||||||
*/
|
|
||||||
dest_base[dmax - 1] = '\0';
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
@ -1,71 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions
|
|
||||||
* are met:
|
|
||||||
*
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in
|
|
||||||
* the documentation and/or other materials provided with the
|
|
||||||
* distribution.
|
|
||||||
* * Neither the name of Intel Corporation nor the names of its
|
|
||||||
* contributors may be used to endorse or promote products derived
|
|
||||||
* from this software without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <rtl.h>
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
*
|
|
||||||
* strnlen_s
|
|
||||||
*
|
|
||||||
* description:
|
|
||||||
* The function calculates the length of the string pointed
|
|
||||||
* to by str.
|
|
||||||
*
|
|
||||||
*
|
|
||||||
* input:
|
|
||||||
* str pointer to the null-terminated string to be examined.
|
|
||||||
*
|
|
||||||
* dmax maximum number of characer to examine.
|
|
||||||
*
|
|
||||||
*
|
|
||||||
* return value:
|
|
||||||
* string length, excluding the null character.
|
|
||||||
* will return 0 if str is null.
|
|
||||||
*/
|
|
||||||
size_t strnlen_s(const char *str, size_t maxlen)
|
|
||||||
{
|
|
||||||
size_t count;
|
|
||||||
|
|
||||||
if (str == NULL)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
count = 0;
|
|
||||||
while (*str) {
|
|
||||||
if (maxlen == 0)
|
|
||||||
break;
|
|
||||||
|
|
||||||
count++;
|
|
||||||
maxlen--;
|
|
||||||
str++;
|
|
||||||
}
|
|
||||||
|
|
||||||
return count;
|
|
||||||
}
|
|
||||||
@ -1,377 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (c) 1990 The Regents of the University of California.
|
|
||||||
* Copyright (c) 2017 Intel Corporation
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions
|
|
||||||
* are met:
|
|
||||||
* 1. Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* 2. Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
* 3. [rescinded 22 July 1999]
|
|
||||||
* 4. Neither the name of the University nor the names of its contributors
|
|
||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
||||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
||||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
||||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
||||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
||||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
||||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
||||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
||||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
||||||
* SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
/* FIXME: It'd be nice to configure around these, but the include files are too
|
|
||||||
* painful. These macros should at least be more portable than hardwired hex
|
|
||||||
* constants.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <types.h>
|
|
||||||
|
|
||||||
/* Categories. */
|
|
||||||
|
|
||||||
enum {
|
|
||||||
/* In C99 */
|
|
||||||
_sch_isblank = 0x0001, /* space \t */
|
|
||||||
_sch_iscntrl = 0x0002, /* nonprinting characters */
|
|
||||||
_sch_isdigit = 0x0004, /* 0-9 */
|
|
||||||
_sch_islower = 0x0008, /* a-z */
|
|
||||||
_sch_isprint = 0x0010, /* any printing character including ' ' */
|
|
||||||
_sch_ispunct = 0x0020, /* all punctuation */
|
|
||||||
_sch_isspace = 0x0040, /* space \t \n \r \f \v */
|
|
||||||
_sch_isupper = 0x0080, /* A-Z */
|
|
||||||
_sch_isxdigit = 0x0100, /* 0-9A-Fa-f */
|
|
||||||
|
|
||||||
/* Extra categories useful to cpplib. */
|
|
||||||
_sch_isidst = 0x0200, /* A-Za-z_ */
|
|
||||||
_sch_isvsp = 0x0400, /* \n \r */
|
|
||||||
_sch_isnvsp = 0x0800, /* space \t \f \v \0 */
|
|
||||||
|
|
||||||
/* Combinations of the above. */
|
|
||||||
_sch_isalpha = _sch_isupper|_sch_islower, /* A-Za-z */
|
|
||||||
_sch_isalnum = _sch_isalpha|_sch_isdigit, /* A-Za-z0-9 */
|
|
||||||
_sch_isidnum = _sch_isidst|_sch_isdigit, /* A-Za-z0-9_ */
|
|
||||||
_sch_isgraph = _sch_isalnum|_sch_ispunct, /* isprint and not space */
|
|
||||||
_sch_iscppsp = _sch_isvsp|_sch_isnvsp, /* isspace + \0 */
|
|
||||||
/* basic charset of ISO C (plus ` and @) */
|
|
||||||
_sch_isbasic = _sch_isprint|_sch_iscppsp
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Shorthand */
|
|
||||||
#define bl _sch_isblank
|
|
||||||
#define cn _sch_iscntrl
|
|
||||||
#define di _sch_isdigit
|
|
||||||
#define is _sch_isidst
|
|
||||||
#define lo _sch_islower
|
|
||||||
#define nv _sch_isnvsp
|
|
||||||
#define pn _sch_ispunct
|
|
||||||
#define pr _sch_isprint
|
|
||||||
#define sp _sch_isspace
|
|
||||||
#define up _sch_isupper
|
|
||||||
#define vs _sch_isvsp
|
|
||||||
#define xd _sch_isxdigit
|
|
||||||
|
|
||||||
/* Masks. */
|
|
||||||
#define L ((const uint16_t)(lo | is | pr)) /* lower case letter */
|
|
||||||
#define XL ((const uint16_t)(lo | is | xd | pr))/* lowercase hex digit */
|
|
||||||
#define U ((const uint16_t)(up | is | pr)) /* upper case letter */
|
|
||||||
#define XU ((const uint16_t)(up | is | xd | pr))/* uppercase hex digit */
|
|
||||||
#define D ((const uint16_t)(di | xd | pr)) /* decimal digit */
|
|
||||||
#define P ((const uint16_t)(pn | pr)) /* punctuation */
|
|
||||||
#define _ ((const uint16_t)(pn | is | pr)) /* underscore */
|
|
||||||
|
|
||||||
#define C ((const uint16_t)(cn)) /* control character */
|
|
||||||
#define Z ((const uint16_t)(nv | cn)) /* NUL */
|
|
||||||
#define M ((const uint16_t)(nv | sp | cn)) /* cursor movement: \f \v */
|
|
||||||
#define V ((const uint16_t)(vs | sp | cn)) /* vertical space: \r \n */
|
|
||||||
#define T ((const uint16_t)(nv | sp | bl | cn))/* tab */
|
|
||||||
#define S ((const uint16_t)(nv | sp | bl | pr))/* space */
|
|
||||||
|
|
||||||
/* Character classification. */
|
|
||||||
const uint16_t _sch_istable[256] = {
|
|
||||||
Z, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */
|
|
||||||
C, T, V, M, M, V, C, C, /* BS HT LF VT FF CR SO SI */
|
|
||||||
C, C, C, C, C, C, C, C, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
|
|
||||||
C, C, C, C, C, C, C, C, /* CAN EM SUB ESC FS GS RS US */
|
|
||||||
S, P, P, P, P, P, P, P, /* SP ! " # $ % & ' */
|
|
||||||
P, P, P, P, P, P, P, P, /* ( ) * + , - . / */
|
|
||||||
D, D, D, D, D, D, D, D, /* 0 1 2 3 4 5 6 7 */
|
|
||||||
D, D, P, P, P, P, P, P, /* 8 9 : ; < = > ? */
|
|
||||||
P, XU, XU, XU, XU, XU, XU, U, /* @ A B C D E F G */
|
|
||||||
U, U, U, U, U, U, U, U, /* H I J K L M N O */
|
|
||||||
U, U, U, U, U, U, U, U, /* P Q R S T U V W */
|
|
||||||
U, U, U, P, P, P, P, _, /* X Y Z [ \ ] ^ _ */
|
|
||||||
P, XL, XL, XL, XL, XL, XL, L, /* ` a b c d e f g */
|
|
||||||
L, L, L, L, L, L, L, L, /* h i j k l m n o */
|
|
||||||
L, L, L, L, L, L, L, L, /* p q r s t u v w */
|
|
||||||
L, L, L, P, P, P, P, C, /* x y z { | } ~ DEL */
|
|
||||||
|
|
||||||
/* high half of unsigned char is locale-specific, so all tests are
|
|
||||||
* false in "C" locale
|
|
||||||
*/
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
};
|
|
||||||
|
|
||||||
#define _sch_test(c, bit) (_sch_istable[(c) & 0xff] & (uint16_t)(bit))
|
|
||||||
|
|
||||||
#define ISALPHA(c) _sch_test(c, _sch_isalpha)
|
|
||||||
#define ISALNUM(c) _sch_test(c, _sch_isalnum)
|
|
||||||
#define ISBLANK(c) _sch_test(c, _sch_isblank)
|
|
||||||
#define ISCNTRL(c) _sch_test(c, _sch_iscntrl)
|
|
||||||
#define ISDIGIT(c) _sch_test(c, _sch_isdigit)
|
|
||||||
#define ISGRAPH(c) _sch_test(c, _sch_isgraph)
|
|
||||||
#define ISLOWER(c) _sch_test(c, _sch_islower)
|
|
||||||
#define ISPRINT(c) _sch_test(c, _sch_isprint)
|
|
||||||
#define ISPUNCT(c) _sch_test(c, _sch_ispunct)
|
|
||||||
#define ISSPACE(c) _sch_test(c, _sch_isspace)
|
|
||||||
#define ISUPPER(c) _sch_test(c, _sch_isupper)
|
|
||||||
#define ISXDIGIT(c) _sch_test(c, _sch_isxdigit)
|
|
||||||
|
|
||||||
#define ISIDNUM(c) _sch_test(c, _sch_isidnum)
|
|
||||||
#define ISIDST(c) _sch_test(c, _sch_isidst)
|
|
||||||
#define IS_ISOBASIC(c) _sch_test(c, _sch_isbasic)
|
|
||||||
#define IS_VSPACE(c) _sch_test(c, _sch_isvsp)
|
|
||||||
#define IS_NVSPACE(c) _sch_test(c, _sch_isnvsp)
|
|
||||||
#define IS_SPACE_OR_NUL(c) _sch_test(c, _sch_iscppsp)
|
|
||||||
|
|
||||||
/* Character transformation. */
|
|
||||||
const uint8_t _sch_tolower[256] = {
|
|
||||||
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
||||||
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
|
||||||
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
|
||||||
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
|
||||||
64,
|
|
||||||
|
|
||||||
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
|
|
||||||
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
|
|
||||||
|
|
||||||
91, 92, 93, 94, 95, 96,
|
|
||||||
|
|
||||||
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
|
|
||||||
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
|
|
||||||
|
|
||||||
123, 124, 125, 126, 127,
|
|
||||||
|
|
||||||
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
|
|
||||||
142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155,
|
|
||||||
156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
|
|
||||||
170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
|
|
||||||
184, 185, 186, 187, 188, 189, 190, 191,
|
|
||||||
|
|
||||||
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
|
|
||||||
206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
|
|
||||||
220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
|
|
||||||
234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
|
|
||||||
248, 249, 250, 251, 252, 253, 254, 255,
|
|
||||||
};
|
|
||||||
|
|
||||||
const uint8_t _sch_toupper[256] = {
|
|
||||||
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
||||||
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
|
||||||
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
|
||||||
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
|
||||||
64,
|
|
||||||
|
|
||||||
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
|
|
||||||
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
|
|
||||||
|
|
||||||
91, 92, 93, 94, 95, 96,
|
|
||||||
|
|
||||||
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
|
|
||||||
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
|
|
||||||
|
|
||||||
123, 124, 125, 126, 127,
|
|
||||||
|
|
||||||
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
|
|
||||||
142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155,
|
|
||||||
156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
|
|
||||||
170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
|
|
||||||
184, 185, 186, 187, 188, 189, 190, 191,
|
|
||||||
|
|
||||||
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
|
|
||||||
206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
|
|
||||||
220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
|
|
||||||
234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
|
|
||||||
248, 249, 250, 251, 252, 253, 254, 255,
|
|
||||||
};
|
|
||||||
#define TOUPPER(c) _sch_toupper[(c) & 0xff]
|
|
||||||
#define TOLOWER(c) _sch_tolower[(c) & 0xff]
|
|
||||||
|
|
||||||
#ifndef ULONG_MAX
|
|
||||||
#define ULONG_MAX ((uint64_t)(~0L)) /* 0xFFFFFFFF */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifndef LONG_MAX
|
|
||||||
#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifndef LONG_MIN
|
|
||||||
#define LONG_MIN ((long)(~LONG_MAX)) /* 0x80000000 */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Convert a string to a long integer.
|
|
||||||
*
|
|
||||||
* Ignores `locale' stuff. Assumes that the upper and lower case
|
|
||||||
* alphabets and digits are each contiguous.
|
|
||||||
*/
|
|
||||||
long
|
|
||||||
strtol(const char *nptr, char **endptr, register int base)
|
|
||||||
{
|
|
||||||
register const char *s = nptr;
|
|
||||||
register uint64_t acc;
|
|
||||||
register int c;
|
|
||||||
register uint64_t cutoff;
|
|
||||||
register int neg = 0, any, cutlim;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Skip white space and pick up leading +/- sign if any.
|
|
||||||
* If base is 0, allow 0x for hex and 0 for octal, else
|
|
||||||
* assume decimal; if base is already 16, allow 0x.
|
|
||||||
*/
|
|
||||||
do {
|
|
||||||
c = *s++;
|
|
||||||
} while (ISSPACE(c));
|
|
||||||
if (c == '-') {
|
|
||||||
neg = 1;
|
|
||||||
c = *s++;
|
|
||||||
} else if (c == '+')
|
|
||||||
c = *s++;
|
|
||||||
if ((base == 0 || base == 16) &&
|
|
||||||
c == '0' && (*s == 'x' || *s == 'X')) {
|
|
||||||
c = s[1];
|
|
||||||
s += 2;
|
|
||||||
base = 16;
|
|
||||||
}
|
|
||||||
if (base == 0)
|
|
||||||
base = c == '0' ? 8 : 10;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Compute the cutoff value between legal numbers and illegal
|
|
||||||
* numbers. That is the largest legal value, divided by the
|
|
||||||
* base. An input number that is greater than this value, if
|
|
||||||
* followed by a legal input character, is too big. One that
|
|
||||||
* is equal to this value may be valid or not; the limit
|
|
||||||
* between valid and invalid numbers is then based on the last
|
|
||||||
* digit. For instance, if the range for longs is
|
|
||||||
* [-2147483648..2147483647] and the input base is 10,
|
|
||||||
* cutoff will be set to 214748364 and cutlim to either
|
|
||||||
* 7 (neg==0) or 8 (neg==1), meaning that if we have accumulated
|
|
||||||
* a value > 214748364, or equal but the next digit is > 7 (or 8),
|
|
||||||
* the number is too big, and we will return a range error.
|
|
||||||
*
|
|
||||||
* Set any if any `digits' consumed; make it negative to indicate
|
|
||||||
* overflow.
|
|
||||||
*/
|
|
||||||
cutoff = neg ? -(uint64_t)LONG_MIN : LONG_MAX;
|
|
||||||
cutlim = cutoff % (uint64_t)base;
|
|
||||||
cutoff /= (uint64_t)base;
|
|
||||||
for (acc = 0, any = 0;; c = *s++) {
|
|
||||||
if (ISDIGIT(c))
|
|
||||||
c -= '0';
|
|
||||||
else if (ISALPHA(c))
|
|
||||||
c -= ISUPPER(c) ? 'A' - 10 : 'a' - 10;
|
|
||||||
else
|
|
||||||
break;
|
|
||||||
if (c >= base)
|
|
||||||
break;
|
|
||||||
if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
|
|
||||||
any = -1;
|
|
||||||
else {
|
|
||||||
any = 1;
|
|
||||||
acc *= base;
|
|
||||||
acc += c;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (any < 0)
|
|
||||||
acc = neg ? LONG_MIN : LONG_MAX;
|
|
||||||
else if (neg)
|
|
||||||
acc = -acc;
|
|
||||||
if (endptr != 0)
|
|
||||||
*endptr = (char *) (any ? s - 1 : nptr);
|
|
||||||
return acc;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Convert a string to an uint64_t integer.
|
|
||||||
*
|
|
||||||
* Ignores `locale' stuff. Assumes that the upper and lower case
|
|
||||||
* alphabets and digits are each contiguous.
|
|
||||||
*/
|
|
||||||
uint64_t
|
|
||||||
strtoul(const char *nptr, char **endptr, register int base)
|
|
||||||
{
|
|
||||||
register const char *s = nptr;
|
|
||||||
register uint64_t acc;
|
|
||||||
register int c;
|
|
||||||
register uint64_t cutoff;
|
|
||||||
register int neg = 0, any, cutlim;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* See strtol for comments as to the logic used.
|
|
||||||
*/
|
|
||||||
do {
|
|
||||||
c = *s++;
|
|
||||||
} while (ISSPACE(c));
|
|
||||||
if (c == '-') {
|
|
||||||
neg = 1;
|
|
||||||
c = *s++;
|
|
||||||
} else if (c == '+')
|
|
||||||
c = *s++;
|
|
||||||
if ((base == 0 || base == 16) &&
|
|
||||||
c == '0' && (*s == 'x' || *s == 'X')) {
|
|
||||||
c = s[1];
|
|
||||||
s += 2;
|
|
||||||
base = 16;
|
|
||||||
}
|
|
||||||
if (base == 0)
|
|
||||||
base = c == '0' ? 8 : 10;
|
|
||||||
cutoff = (uint64_t)ULONG_MAX / (uint64_t)base;
|
|
||||||
cutlim = (uint64_t)ULONG_MAX % (uint64_t)base;
|
|
||||||
for (acc = 0, any = 0;; c = *s++) {
|
|
||||||
if (ISDIGIT(c))
|
|
||||||
c -= '0';
|
|
||||||
else if (ISALPHA(c))
|
|
||||||
c -= ISUPPER(c) ? 'A' - 10 : 'a' - 10;
|
|
||||||
else
|
|
||||||
break;
|
|
||||||
if (c >= base)
|
|
||||||
break;
|
|
||||||
if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
|
|
||||||
any = -1;
|
|
||||||
else {
|
|
||||||
any = 1;
|
|
||||||
acc *= base;
|
|
||||||
acc += c;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (any < 0)
|
|
||||||
acc = ULONG_MAX;
|
|
||||||
else if (neg)
|
|
||||||
acc = -acc;
|
|
||||||
if (endptr != 0)
|
|
||||||
*endptr = (char *) (any ? s - 1 : nptr);
|
|
||||||
return acc;
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
atoi(const char *str)
|
|
||||||
{
|
|
||||||
return (int)strtol(str, (char **)NULL, 10);
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user