diff options
Diffstat (limited to 'lib/strtok_r.c')
-rw-r--r-- | lib/strtok_r.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/strtok_r.c b/lib/strtok_r.c new file mode 100644 index 000000000..733290422 --- /dev/null +++ b/lib/strtok_r.c @@ -0,0 +1,43 @@ +/* + * written for xine project, 2004 + * + * public domain replacement function for strtok_r() + * + */ + +#include "config.h" + +#include <stddef.h> +#include <string.h> + +char *_xine_private_strtok_r(char *s, const char *delim, char **ptrptr) { + char *next; + size_t toklen, cutlen; + + /* first or next call */ + if (s) *ptrptr = s; + else s = *ptrptr; + + /* end of searching */ + if (!s || s == '\0') return NULL; + + /* cut the initial garbage */ + cutlen = strspn(s, delim); + s = s + cutlen; + + /* pointer before next token */ + if ((toklen = strcspn(s, delim)) == 0) { + *ptrptr = NULL; + return NULL; + } + next = s + toklen; + + /* cut current token */ + *next = '\0'; + + /* prepare next call */ + *ptrptr = next + 1; + + /* return the token */ + return s; +} |