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PR 14321
	* findcmd.c (parse_find_args): New variable pattern_buf_size_need.
	Increase buffer sizes to 2x we need, not just 2x of the previous size.

gdb/testsuite/
	PR 14321
	* gdb.base/find.exp
	(find int64_search_buf, +64/8*100, int64_search_buf): New test.
This commit is contained in:
Jan Kratochvil
2012-07-06 15:51:40 +00:00
parent a6fb9c08a9
commit 76b83c514f
4 changed files with 20 additions and 3 deletions
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8
gdb/findcmd.c
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@@ -170,6 +170,7 @@ parse_find_args (char *args, ULONGEST *max_countp,
{
LONGEST x;
int val_bytes;
ULONGEST pattern_buf_size_need;
while (isspace (*s))
++s;
@@ -179,12 +180,13 @@ parse_find_args (char *args, ULONGEST *max_countp,
/* Keep it simple and assume size == 'g' when watching for when we
need to grow the pattern buf. */
if ((pattern_buf_end - pattern_buf + max (val_bytes, sizeof (int64_t)))
> pattern_buf_size)
pattern_buf_size_need = (pattern_buf_end - pattern_buf
+ max (val_bytes, sizeof (int64_t)));
if (pattern_buf_size_need > pattern_buf_size)
{
size_t current_offset = pattern_buf_end - pattern_buf;
pattern_buf_size *= 2;
pattern_buf_size = pattern_buf_size_need * 2;
pattern_buf = xrealloc (pattern_buf, pattern_buf_size);
pattern_buf_end = pattern_buf + current_offset;
}