Instead of returning the same value as the parameter to this function, return the length of the string, which can be useful to the caller when its non-zero (e.g. to find the end of the string).
Signed-off-by: Dave Reisner <[email protected]> --- This should make an earlier email from dan make a bit more sense when he referred to "the new return value" src/pacman/util.c | 18 +++++++++--------- src/pacman/util.h | 2 +- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/src/pacman/util.c b/src/pacman/util.c index 7846291..4160c44 100644 --- a/src/pacman/util.c +++ b/src/pacman/util.c @@ -325,13 +325,13 @@ char *strtoupper(char *str) /* Trim whitespace and newlines from a string */ -char *strtrim(char *str) +size_t strtrim(char *str) { - char *pch = str; + char *end, *pch = str; if(str == NULL || *str == '\0') { /* string is empty, so we're done. */ - return str; + return 0; } while(isspace((unsigned char)*pch)) { @@ -348,16 +348,16 @@ char *strtrim(char *str) /* check if there wasn't anything but whitespace in the string. */ if(*str == '\0') { - return str; + return 0; } - pch = (str + (strlen(str) - 1)); - while(isspace((unsigned char)*pch)) { - pch--; + end = (str + strlen(str) - 1); + while(isspace((unsigned char)*end)) { + end--; } - *++pch = '\0'; + *++end = '\0'; - return str; + return end - pch; } /* Replace all occurances of 'needle' with 'replace' in 'str', returning diff --git a/src/pacman/util.h b/src/pacman/util.h index 6ec962f..6291939 100644 --- a/src/pacman/util.h +++ b/src/pacman/util.h @@ -56,7 +56,7 @@ const char *mbasename(const char *path); char *mdirname(const char *path); void indentprint(const char *str, size_t indent); char *strtoupper(char *str); -char *strtrim(char *str); +size_t strtrim(char *str); char *strreplace(const char *str, const char *needle, const char *replace); alpm_list_t *strsplit(const char *str, const char splitchar); void string_display(const char *title, const char *string); -- 1.7.8.1
