system/glibc
3
0
Fork 0
Code Issues Projects Releases Wiki Activity

Simplified code and possible copy problem fixed.

Browse Source
This commit is contained in:
Ulrich Drepper 2009-04-10 03:56:06 +00:00
parent e9b4d069c1
commit 1d498daa95
2 changed files with 4 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
ChangeLog
View File

@ -1,6 +1,7 @@
2009-04-09 Ulrich Drepper <drepper@redhat.com>
* stdio-common/vfprintf.c (vfprintf): Slightly more compact code.
Simplified code and possible copy problem fixed.
* sysdeps/unix/sysv/linux/preadv.c: Avoid prototype for static
function if it is not defined. Add some necessary casts.

20
stdio-common/vfprintf.c
View File

@ -1662,24 +1662,10 @@ do_positional:
{
/* Extend the array of format specifiers. */
struct printf_spec *old = specs;
specs = extend_alloca (specs, nspecs_max, 2 * nspecs_max);
nspecs_max *= 2;
specs = alloca (nspecs_max * sizeof (struct printf_spec));
if (specs == &old[nspecs])
/* Stack grows up, OLD was the last thing allocated;
extend it. */
nspecs_max += nspecs_max / 2;
else
{
/* Copy the old array's elements to the new space. */
memcpy (specs, old, nspecs * sizeof (struct printf_spec));
if (old == &specs[nspecs])
/* Stack grows down, OLD was just below the new
SPECS. We can use that space when the new space
runs out. */
nspecs_max += nspecs_max / 2;
}
/* Copy the old array's elements to the new space. */
memmove (specs, old, nspecs * sizeof (struct printf_spec));
}
/* Parse the format specifier. */