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path: root/source3/libads/ads_struct.c
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Diffstat (limited to 'source3/libads/ads_struct.c')
-rw-r--r--source3/libads/ads_struct.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/source3/libads/ads_struct.c b/source3/libads/ads_struct.c
index e546f2ae8a..7a03a2a80f 100644
--- a/source3/libads/ads_struct.c
+++ b/source3/libads/ads_struct.c
@@ -48,16 +48,18 @@ char *ads_build_path(const char *realm, const char *sep, const char *field, int
strlcpy(ret,field, len);
p=strtok(r,sep);
- strlcat(ret, p, len);
-
- while ((p=strtok(NULL,sep))) {
- char *s;
- if (reverse)
- asprintf(&s, "%s%s,%s", field, p, ret);
- else
- asprintf(&s, "%s,%s%s", ret, field, p);
- free(ret);
- ret = s;
+ if (p) {
+ strlcat(ret, p, len);
+
+ while ((p=strtok(NULL,sep))) {
+ char *s;
+ if (reverse)
+ asprintf(&s, "%s%s,%s", field, p, ret);
+ else
+ asprintf(&s, "%s,%s%s", ret, field, p);
+ free(ret);
+ ret = s;
+ }
}
free(r);