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2005-02-22 Simon Josefsson <jas@extundo.com>
[gnulib.git]
/
lib
/
argp-fmtstream.c
diff --git
a/lib/argp-fmtstream.c
b/lib/argp-fmtstream.c
index
c6d79a5
..
c88c3db
100644
(file)
--- a/
lib/argp-fmtstream.c
+++ b/
lib/argp-fmtstream.c
@@
-384,10
+384,11
@@
__argp_fmtstream_ensure (struct argp_fmtstream *fs, size_t amount)
if ((size_t) (fs->end - fs->buf) < amount)
/* Gotta grow the buffer. */
{
if ((size_t) (fs->end - fs->buf) < amount)
/* Gotta grow the buffer. */
{
- size_t new_size = fs->end - fs->buf + amount;
- char *new_buf = realloc (fs->buf, new_size);
+ size_t old_size = fs->end - fs->buf;
+ size_t new_size = old_size + amount;
+ char *new_buf;
- if (
! new_buf
)
+ if (
new_size < old_size || ! (new_buf = realloc (fs->buf, new_size))
)
{
__set_errno (ENOMEM);
return 0;
{
__set_errno (ENOMEM);
return 0;