diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libalpm/util.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c index 053d7b98..bebc996a 100644 --- a/lib/libalpm/util.c +++ b/lib/libalpm/util.c @@ -145,6 +145,11 @@ char *_alpm_strtrim(char *str) { char *pch = str; + if(*str == '\0') { + /* string is empty, so we're done. */ + return(str); + } + while(isspace(*pch)) { pch++; } @@ -152,13 +157,18 @@ char *_alpm_strtrim(char *str) memmove(str, pch, (strlen(pch) + 1)); } + /* check if there wasn't anything but whitespace in the string. */ + if(*str == '\0') { + return(str); + } + pch = (char*)(str + (strlen(str) - 1)); while(isspace(*pch)) { pch--; } *++pch = '\0'; - return str; + return(str); } /* A cheap grep for text files, returns 1 if a substring |