diff options
Diffstat (limited to 'libglusterfs/src/common-utils.c')
| -rw-r--r-- | libglusterfs/src/common-utils.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c index 1d0fb822fc5..d22ebd2ef04 100644 --- a/libglusterfs/src/common-utils.c +++ b/libglusterfs/src/common-utils.c @@ -1607,6 +1607,55 @@ nwstrtail (char *str, char *pattern) return *pattern ? NULL : str; } +void +skipword (char **s) +{ + if (!*s) + return; + + skipwhite (s); + + while (!isspace(**s)) + (*s)++; +} + +char * +get_nth_word (const char *str, int n) +{ + char buf[4096] = {0}; + char *start = NULL; + char *word = NULL; + int i = 0; + int word_len = 0; + const char *end = NULL; + + if (!str) + goto out; + + snprintf (buf, sizeof (buf), "%s", str); + start = buf; + + for (i = 0; i < n-1; i++) + skipword (&start); + + skipwhite (&start); + end = strpbrk ((const char *)start, " \t\n\0"); + + if (!end) + goto out; + + word_len = abs (end - start); + + word = GF_CALLOC (1, word_len + 1, gf_common_mt_strdup); + if (!word) + goto out; + + strncpy (word, start, word_len); + *(word + word_len) = '\0'; + out: + return word; +} + /* RFC 1123 & 952 */ char valid_host_name (char *address, int length) |