X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fbasic%2Fescape.c;fp=src%2Fbasic%2Fescape.c;h=42a84c93174e619736e33b7a395179c947deca9b;hb=538a7c37c543255dbcb21c3854191c855150fa1d;hp=4815161b092afb5d1d04eef1856b8db7341d6ca9;hpb=f17b8f67b57510db49f88942135a31486a73e2bc;p=elogind.git

diff --git a/src/basic/escape.c b/src/basic/escape.c
index 4815161b0..42a84c931 100644
--- a/src/basic/escape.c
+++ b/src/basic/escape.c
@@ -89,20 +89,20 @@ size_t cescape_char(char c, char *buf) {
         return buf - buf_old;
 }
 
-char *cescape(const char *s) {
-        char *r, *t;
+char *cescape_length(const char *s, size_t n) {
         const char *f;
+        char *r, *t;
 
-        assert(s);
+        assert(s || n == 0);
 
         /* Does C style string escaping. May be reversed with
          * cunescape(). */
 
-        r = new(char, strlen(s)*4 + 1);
+        r = new(char, n*4 + 1);
         if (!r)
                 return NULL;
 
-        for (f = s, t = r; *f; f++)
+        for (f = s, t = r; f < s + n; f++)
                 t += cescape_char(*f, t);
 
         *t = 0;
@@ -110,6 +110,12 @@ char *cescape(const char *s) {
         return r;
 }
 
+char *cescape(const char *s) {
+        assert(s);
+
+        return cescape_length(s, strlen(s));
+}
+
 int cunescape_one(const char *p, size_t length, char *ret, uint32_t *ret_unicode) {
         int r = 1;