kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-09-06 12:36:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

don't let ast_trim_blanks operate on empty strings or run off the beginning of the string

Browse Source 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5929 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-06-17 14:27:57 +00:00
parent 3b72686994
commit e4c22cea6b
1 changed files with 8 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
utils.c
View File

@@ -46,13 +46,15 @@ char *ast_skip_blanks(char *str)
char *ast_trim_blanks(char *str) char *ast_trim_blanks(char *str)
{ {
if (str) { char *work = str;
str += strlen(str) - 1;
while (*str && *str < 33) if (work && !ast_strlen_zero(work)) {
str--; work += strlen(work) - 1;
*(++str) = '\0'; /* terminate string */ while ((work >= str) && *work && *work < 33)
work--;
*(++work) = '\0'; /* terminate string */
} }
return str; return work;
} }
char *ast_skip_nonblanks(char *str) char *ast_skip_nonblanks(char *str)