# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1504177855 -7200
# Node ID 1e3e374d938660df549bfeb10b2b9d13631fede6
# Parent  0f83fe5e2b0795d69a560438a96f1bd0593d564a
adds clean handling in case the stack of dav_exec_expr() runs out of memory

diff -r 0f83fe5e2b07 -r 1e3e374d9386 libidav/davqlexec.c
--- a/libidav/davqlexec.c	Thu Aug 31 12:58:06 2017 +0200
+++ b/libidav/davqlexec.c	Thu Aug 31 13:10:55 2017 +0200
@@ -949,7 +949,14 @@
 #define DAVQL_PUSH(obj) \
         if(stpos == stsize) { \
             stsize += 64; \
-            stack = realloc(stack, stsize * sizeof(DavQLStackObj)); \
+            DavQLStackObj *stack_newptr; \
+            stack_newptr = realloc(stack, stsize * sizeof(DavQLStackObj)); \
+            if(stack_newptr) { \
+                stack = stack_newptr; \
+            } else { \
+                free(stack); \
+                return -1; \
+            }\
         } \
         stack[stpos++] = obj;
 #define DAVQL_PUSH_INT(intval) \