diff options
Diffstat (limited to 'src/strfuncs.c')
-rw-r--r-- | src/strfuncs.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/strfuncs.c b/src/strfuncs.c new file mode 100644 index 0000000..08b43b2 --- /dev/null +++ b/src/strfuncs.c @@ -0,0 +1,37 @@ +#include <ctype.h> +#include <stdlib.h> +#include <string.h> + +#include "strfuncs.h" + +char *strdup(const char *s) +{ + size_t len = strlen(s); + char *new = malloc(len + 1); + if (!new) + return 0; + memcpy(new, s, len); + new[len] = '\0'; + return new; +} + +char *strndup(const char *s, size_t n) +{ + size_t len = strlen(s); + if (n < len) + len = n; + char *new = malloc(len + 1); + if (!new) + return 0; + memcpy(new, s, len); + new[len] = '\0'; + return new; +} + +int strcasecmp(const char *s1, const char *s2) +{ + int i; + while ((i = tolower(*s1)) && i == tolower(*s2)) + s1++, s2++; + return ((unsigned char) tolower(*s1) - (unsigned char) tolower(*s2)); +} |