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[RFA] Fix leak in forward-search
- From: Philippe Waroquiers <philippe dot waroquiers at skynet dot be>
- To: gdb-patches at sourceware dot org
- Cc: Philippe Waroquiers <philippe dot waroquiers at skynet dot be>
- Date: Wed, 28 Nov 2018 00:33:28 +0100
- Subject: [RFA] Fix leak in forward-search
Valgrind reports the below leak.
Fix the leak by using xrealloc, even for the first allocation,
as buf is static.
==29158== 5,888 bytes in 23 blocks are definitely lost in loss record 3,028 of 3,149
==29158== at 0x4C2BE2D: malloc (vg_replace_malloc.c:299)
==29158== by 0x41B557: xmalloc (common-utils.c:44)
==29158== by 0x60B7D9: forward_search_command(char const*, int) (source.c:1563)
==29158== by 0x40BA68: cmd_func(cmd_list_element*, char const*, int) (cli-decode.c:1888)
==29158== by 0x665300: execute_command(char const*, int) (top.c:630)
...
gdb/ChangeLog
2018-11-28 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* source.c (forward_search_command): Fix leak by using
xrealloc even for the first allocation in the loop, as buf
is static.
---
gdb/source.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gdb/source.c b/gdb/source.c
index e295fbf49e..c75351e65f 100644
--- a/gdb/source.c
+++ b/gdb/source.c
@@ -1560,7 +1560,7 @@ forward_search_command (const char *regex, int from_tty)
int cursize, newsize;
cursize = 256;
- buf = (char *) xmalloc (cursize);
+ buf = (char *) xrealloc (buf, cursize);
p = buf;
c = fgetc (stream.get ());
--
2.19.1