diff options
Diffstat (limited to 'util/string-util.h')
-rw-r--r-- | util/string-util.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/util/string-util.h b/util/string-util.h new file mode 100644 index 00000000..ac7676c8 --- /dev/null +++ b/util/string-util.h @@ -0,0 +1,22 @@ +#ifndef _STRING_UTIL_H +#define _STRING_UTIL_H + +#include <string.h> + +/* like strtok(3), but without state, and doesn't modify s. Return + * value is indicated by pointer and length, not null terminator. + * + * Usage pattern: + * + * const char *tok = input; + * const char *delim = " \t"; + * size_t tok_len = 0; + * + * while ((tok = strtok_len (tok + tok_len, delim, &tok_len)) != NULL) { + * // do stuff with string tok of length tok_len + * } + */ + +char *strtok_len (char *s, const char *delim, size_t *len); + +#endif |