# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1527669891 -7200
# Node ID 99193580aa9d6670762b103ff77a88815dc1b190
# Parent  85d5049f694bd0c93216877bf6e18ee960881954
fixes realloc problem and memory leak in isfileindir() in sync.c

diff -r 85d5049f694b -r 99193580aa9d dav/sync.c
--- a/dav/sync.c	Wed May 30 10:27:44 2018 +0200
+++ b/dav/sync.c	Wed May 30 10:44:51 2018 +0200
@@ -2333,12 +2333,18 @@
 static int isfileindir(SyncDirectory *dir, const char *path, SyncFile *f) {
     char *fullpath;
     if(path[0] != '/') {
-        size_t wdlen = 1024;
-        char *wd = malloc(1024);
+        size_t wdlen = 256;
+        char *wd = malloc(wdlen);
         while(!getcwd(wd, wdlen)) {
             if(errno == ERANGE) {
                 wdlen *= 2;
-                wd = realloc(wd, wdlen);
+                char *newbuf = realloc(wd, wdlen);
+                if (newbuf) {
+                    wd = newbuf;
+                } else {
+                    free(wd);
+                    return 0;
+                }
             } else {
                 free(wd);
                 return 0;
@@ -2346,6 +2352,7 @@
         }
         
         fullpath = util_concat_path(wd, path);
+        free(wd);
     } else {
         fullpath = strdup(path);
     }