diff options
Diffstat (limited to 'lib/libc/string/strncmp.c')
| -rw-r--r-- | lib/libc/string/strncmp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/libc/string/strncmp.c b/lib/libc/string/strncmp.c new file mode 100644 index 00000000..2fbc2395 --- /dev/null +++ b/lib/libc/string/strncmp.c @@ -0,0 +1,16 @@ +#include <stddef.h> + +int strncmp(const char *s1, const char *s2, size_t n) +{ + const unsigned char *p1 = (const unsigned char *)s1; + const unsigned char *p2 = (const unsigned char *)s2; + + while (n-- > 0) { + if (*p1 != *p2 || *p1 == '\0') + return *p1 - *p2; + p1++; + p2++; + } + + return 0; +} |
