diff options
Diffstat (limited to 'tools/include/nolibc/string.h')
| -rw-r--r-- | tools/include/nolibc/string.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/include/nolibc/string.h b/tools/include/nolibc/string.h index 4554b6fcb400..0d5e870c7c0b 100644 --- a/tools/include/nolibc/string.h +++ b/tools/include/nolibc/string.h @@ -103,6 +103,17 @@ char *strchr(const char *s, int c) } static __attribute__((unused)) +int strcmp(const char *a, const char *b) +{ + unsigned int c; + int diff; + + while (!(diff = (unsigned char)*a++ - (c = (unsigned char)*b++)) && c) + ; + return diff; +} + +static __attribute__((unused)) char *strcpy(char *dst, const char *src) { char *ret = dst; @@ -184,6 +195,18 @@ char *strncat(char *dst, const char *src, size_t size) return orig; } +static __attribute__((unused)) +int strncmp(const char *a, const char *b, size_t size) +{ + unsigned int c; + int diff = 0; + + while (size-- && + !(diff = (unsigned char)*a++ - (c = (unsigned char)*b++)) && c) + ; + + return diff; +} static __attribute__((unused)) char *strncpy(char *dst, const char *src, size_t size) |