Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
char *strsep(char **stringp, const char *delim)
{
char *strsep(char **stringp, const char *delim)
{
- char *s;
- const char *spanp;
- int c, sc;
- char *tok;
+ char *s, *tok;
+ const char *spanp;
+ int c, sc;
- if ((s = *stringp) == NULL)
- return (NULL);
- for (tok = s;;) {
- c = *s++;
- spanp = delim;
- do {
- if ((sc = *spanp++) == c) {
- if (c == 0)
- s = NULL;
- else
- s[-1] = 0;
- *stringp = s;
- return (tok);
- }
- } while (sc != 0);
- }
+ s = *stringp;
+ if (!s)
+ return NULL;
+
+ tok = s;
+ do {
+ c = *s++;
+ spanp = delim;
+ do {
+ sc = *spanp++;
+ if (sc == c) {
+ if (c == 0)
+ s = NULL;
+ else
+ s[-1] = 0;
+ *stringp = s;
+ return tok;
+ }
+ } while (sc != 0);
+ } while (1);