From a537fa3ca7cc7510f74d2a72964f5c9b99ec8beb Mon Sep 17 00:00:00 2001 From: TingPing Date: Thu, 11 Dec 2014 14:16:29 -0500 Subject: sysinfo: Simplify remove_leading_whitespace() Also fixes a possible overflow --- plugins/sysinfo/match.c | 25 ++++++------------------- 1 file changed, 6 insertions(+), 19 deletions(-) (limited to 'plugins') diff --git a/plugins/sysinfo/match.c b/plugins/sysinfo/match.c index f8a8cf96..ae850b5b 100644 --- a/plugins/sysinfo/match.c +++ b/plugins/sysinfo/match.c @@ -63,28 +63,15 @@ char *pretty_freespace(const char *desc, unsigned long long *free_k, unsigned lo void remove_leading_whitespace(char *buffer) { - char *buffer2 = NULL; - int i = 0, j = 0, ews = 0; + char *p; - buffer2 = (char*)malloc(strlen(buffer) * sizeof(char)); - if (buffer2 == NULL) + if (buffer == NULL) return; - memset (buffer2, (char)0, strlen(buffer)); - while (i < strlen(buffer)) - { - /* count tabs, spaces as whitespace. */ - if (!(buffer[i] == (char)32 || buffer[i] == (char)9) || ews == 1) - { - ews = 1; - buffer2[j] = buffer[i]; - j++; - } - i++; - } - memset (buffer, (char)0, strlen(buffer)); - strcpy (buffer, buffer2); - free (buffer2); + for (p = buffer; *p && isspace (*p); p++) + ; + + memmove (buffer, p, strlen (p) + 1); } char *decruft_filename(char *buffer) -- cgit 1.4.1