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-rw-r--r--source3/lib/util.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 668857f004..002b31d027 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -1089,23 +1089,30 @@ trim the specified elements off the front and back of a string
BOOL trim_string(char *s,char *front,char *back)
{
BOOL ret = False;
- while (front && *front && strncmp(s,front,strlen(front)) == 0)
- {
- char *p = s;
- ret = True;
- while (1)
- {
- if (!(*p = p[strlen(front)]))
- break;
- p++;
- }
- }
- while (back && *back && strlen(s) >= strlen(back) &&
- (strncmp(s+strlen(s)-strlen(back),back,strlen(back))==0))
+ int front_len = (front && *front) ? strlen(front) : 0;
+ int back_len = (back && *back) ? strlen(back) : 0;
+ int s_len;
+
+ while (front_len && strncmp(s, front, front_len) == 0)
+ {
+ char *p = s;
+ ret = True;
+ while (1)
{
- ret = True;
- s[strlen(s)-strlen(back)] = 0;
+ if (!(*p = p[front_len]))
+ break;
+ p++;
}
+ }
+
+ s_len = strlen(s);
+ while (back_len && s_len >= back_len &&
+ (strncmp(s + s_len - back_len, back, back_len)==0))
+ {
+ ret = True;
+ s[s_len - back_len] = 0;
+ s_len = strlen(s);
+ }
return(ret);
}