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1999-09-24  Andreas Jaeger  <aj@suse.de>

	* stdio-common/tst-printf.c (main): Add a testcase for large
	precision.  Reported by Tymm Twillman <tymm@coe.missouri.edu>.

1999-09-24  Andreas Schwab  <schwab@suse.de>

	* math/bits/mathcalls.h: Fix last change.  Also declare __finite.

1999-09-24  Andreas Jaeger  <aj@suse.de>

	* intl/finddomain.c (_nl_find_domain): Fix memory leak: Free
	normalized_codeset.  Reported by Belicky Zsolt <zsolt@prolan.hu>.

1999-09-23  Mark Kettenis  <kettenis@gnu.org>

	* sysdeps/unix/sysv/linux/Makefile [malloc] (CFLAGS-malloc.c): New
	variable.  Define MORECORE_CLEARS to 2.

	* malloc/malloc.c (cALLOc): Correctly handle systems where sbrk
	doesn't clear the contents of memory that is reallocated after
	decrementing the break value first.  Update comment about
	MORECORE_CLEARS, explaining the meaning of the values it can be
	set to.
This commit is contained in:
Ulrich Drepper 1999-09-25 06:37:46 +00:00
parent 5892e30537
commit a164874646
6 changed files with 62 additions and 9 deletions
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25
ChangeLog
View File

@ -1,3 +1,28 @@
1999-09-24 Andreas Jaeger <aj@suse.de>
* stdio-common/tst-printf.c (main): Add a testcase for large
precision. Reported by Tymm Twillman <tymm@coe.missouri.edu>.
1999-09-24 Andreas Schwab <schwab@suse.de>
* math/bits/mathcalls.h: Fix last change. Also declare __finite.
1999-09-24 Andreas Jaeger <aj@suse.de>
* intl/finddomain.c (_nl_find_domain): Fix memory leak: Free
normalized_codeset. Reported by Belicky Zsolt <zsolt@prolan.hu>.
1999-09-23 Mark Kettenis <kettenis@gnu.org>
* sysdeps/unix/sysv/linux/Makefile [malloc] (CFLAGS-malloc.c): New
variable. Define MORECORE_CLEARS to 2.
* malloc/malloc.c (cALLOc): Correctly handle systems where sbrk
doesn't clear the contents of memory that is reallocated after
decrementing the break value first. Update comment about
MORECORE_CLEARS, explaining the meaning of the values it can be
set to.
1999-09-23 Ulrich Drepper <drepper@cygnus.com>
* nis/nss_compat/compat-pwd.c (internal_getpwuid_r): Set errno in

4
intl/finddomain.c
View File

@ -191,6 +191,10 @@ _nl_find_domain (dirname, locale, domainname)
if (alias_value != NULL)
free (locale);
/* The space for normalized_codeset is dynamically allocated. Free it. */
if (mask & XPG_NORM_CODESET)
free (normalized_codeset);
return retval;
}

24
malloc/malloc.c
View File

@ -226,8 +226,12 @@
MORECORE_FAILURE (default: -1)
The value returned upon failure of MORECORE.
MORECORE_CLEARS (default 1)
True (1) if the routine mapped to MORECORE zeroes out memory (which
holds for sbrk).
The degree to which the routine mapped to MORECORE zeroes out
memory: never (0), only for newly allocated space (1) or always
(2). The distinction between (1) and (2) is necessary because on
some systems, if the application first decrements and then
increments the break value, the contents of the reallocated space
are unspecified.
DEFAULT_TRIM_THRESHOLD
DEFAULT_TOP_PAD
DEFAULT_MMAP_THRESHOLD
@ -861,11 +865,15 @@ Void_t *(*__morecore)() = __default_morecore;
#endif
static size_t __libc_pagesize;
#define MORECORE (*__morecore)
#define MORECORE_FAILURE 0
#ifndef MORECORE_CLEARS
#define MORECORE_CLEARS 1
#endif
static size_t __libc_pagesize;
#define mmap __mmap
#define munmap __munmap
#define mremap __mremap
@ -3596,10 +3604,16 @@ Void_t* cALLOc(n, elem_size) size_t n; size_t elem_size;
if(!ar_ptr)
return 0;
/* check if expand_top called, in which case don't need to clear */
/* Check if expand_top called, in which case there may be
no need to clear. */
#if MORECORE_CLEARS
oldtop = top(ar_ptr);
oldtopsize = chunksize(top(ar_ptr));
#if MORECORE_CLEARS < 2
/* Only newly allocated memory is guaranteed to be cleared. */
if (oldtopsize < sbrk_base + max_sbrked_mem - (char *)oldtop)
oldtopsize = (sbrk_base + max_sbrked_mem - (char *)oldtop);
#endif
#endif
p = chunk_alloc (ar_ptr, sz);

9
math/bits/mathcalls.h
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@ -175,13 +175,16 @@ __MATHCALL (fmod,, (_Mdouble_ __x, _Mdouble_ __y));
is +Infinity, -1 if it is -Infinity. */
__MATHDECL_1 (int,__isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
/* Return nonzero if VALUE is finite and not NaN. */
__MATHDECL_1 (int,__finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
#ifdef __USE_MISC
/* Return 0 if VALUE is finite or NaN, +1 if it
is +Infinity, -1 if it is -Infinity. */
__MATHDECL_1 (int,isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
/* Return nonzero if VALUE is finite and not NaN. */
__MATHDECLX (int,finite,, (_Mdouble_ __value), (__const__));
__MATHDECL_1 (int,finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
/* Deal with an infinite or NaN result.
If ERROR is ERANGE, result is +Inf;
@ -211,11 +214,11 @@ __MATHCALLX (nan,, (__const char *__tagb), (__const__));
/* Return nonzero if VALUE is not a number. */
__MATHDECLX (int,__isnan,, (_Mdouble_ __value), (__const__));
__MATHDECL_1 (int,__isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
#if defined __USE_MISC || defined __USE_XOPEN
/* Return nonzero if VALUE is not a number. */
__MATHDECLX (int,isnan,, (_Mdouble_ __value), (__const__));
__MATHDECL_1 (int,isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
/* Bessel functions. */
__MATHCALL (j0,, (_Mdouble_));

3
stdio-common/tst-printf.c
View File

@ -213,8 +213,11 @@ I am ready for my first lesson today.";
{
char buf[20];
char buf2[512];
printf ("snprintf (\"%%30s\", \"foo\") == %d, \"%.*s\"\n",
snprintf (buf, sizeof (buf), "%30s", "foo"), sizeof (buf), buf);
printf ("snprintf (\"%%.999999u\", 10)\n",
snprintf(buf2, sizeof(buf2), "%.999999u", 10));
}
fp_test ();

4
sysdeps/unix/sysv/linux/Makefile
View File

@ -8,6 +8,10 @@ ifeq ($(subdir),db2)
CPPFLAGS += -DHAVE_LLSEEK=1
endif
ifeq ($(subdir),malloc)
CFLAGS-malloc.c = -DMORECORE_CLEARS=2
endif
ifeq ($(subdir),misc)
sysdep_routines += sysctl clone llseek getresuid getresgid umount umount2