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https://github.com/projectacrn/acrn-hypervisor.git
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83164d6030
1. make memcpy_erms as a public API; add a new one memcpy_erms_backwards, which supports to copy data from tail to head. 2. improve to use right/left/home/end key to move cursor, and support delete/backspace key to modify current input command. Tracked-On: #7931 Signed-off-by: Minggui Cao <minggui.cao@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* Copyright (C) 2018-2022 Intel Corporation.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef RTL_H
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#define RTL_H
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#include <types.h>
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union u_qword {
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struct {
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uint32_t low;
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uint32_t high;
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} dwords;
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uint64_t qword;
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};
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/* MACRO related to string */
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#define ULONG_MAX ((uint64_t)(~0UL)) /* 0xFFFFFFFF */
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#define LONG_MAX (ULONG_MAX >> 1U) /* 0x7FFFFFFF */
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#define LONG_MIN (~LONG_MAX) /* 0x80000000 */
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static inline bool is_space(char c)
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{
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return ((c == ' ') || (c == '\t'));
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}
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static inline bool is_eol(char c)
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{
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return ((c == 0x0d) || (c == 0x0a) || (c == '\0'));
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}
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/* Function prototypes */
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int32_t strcmp(const char *s1_arg, const char *s2_arg);
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int32_t strncmp(const char *s1_arg, const char *s2_arg, size_t n_arg);
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int32_t strncpy_s(char *d, size_t dmax, const char *s, size_t slen);
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char *strchr(char *s_arg, char ch);
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size_t strnlen_s(const char *str_arg, size_t maxlen_arg);
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void *memset(void *base, uint8_t v, size_t n);
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int32_t memcpy_s(void *d, size_t dmax, const void *s, size_t slen);
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void memcpy_erms(void *d, const void *s, size_t slen);
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void memcpy_erms_backwards(void *d, const void *s, size_t slen);
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int64_t strtol_deci(const char *nptr);
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uint64_t strtoul_hex(const char *nptr);
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char *strstr_s(const char *str1, size_t maxlen1, const char *str2, size_t maxlen2);
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int32_t strncat_s(char *dest, size_t dmax, const char *src, size_t slen);
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#endif /* RTL_H */
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