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hv: shell: improve console to modify input easier

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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>
This commit is contained in:
Minggui Cao
2022-07-20 13:15:32 +08:00
committed by acrnsi-robot
parent d5b2c82156
commit 83164d6030
4 changed files with 145 additions and 28 deletions
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2
hypervisor/include/lib/rtl.h
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@@ -42,6 +42,8 @@ char *strchr(char *s_arg, char ch);
size_t strnlen_s(const char *str_arg, size_t maxlen_arg);
void *memset(void *base, uint8_t v, size_t n);
int32_t memcpy_s(void *d, size_t dmax, const void *s, size_t slen);
void memcpy_erms(void *d, const void *s, size_t slen);
void memcpy_erms_backwards(void *d, const void *s, size_t slen);
int64_t strtol_deci(const char *nptr);
uint64_t strtoul_hex(const char *nptr);
char *strstr_s(const char *str1, size_t maxlen1, const char *str2, size_t maxlen2);