xmalloc.c

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/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/xmalloc.c

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/* xmalloc.c -- malloc with out of memory checking

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <https://www.gnu.org/licenses/>. */

#include <config.h>

#define XALLOC_INLINE _GL_EXTERN_INLINE

#include "xalloc.h"

#include <stdlib.h>

#include <string.h>

/* 1 if calloc is known to be compatible with GNU calloc. This

matters if we are not also using the calloc module, which defines

HAVE_CALLOC_GNU and supports the GNU API even on non-GNU platforms. */

#if defined HAVE_CALLOC_GNU || (defined __GLIBC__ && !defined __UCLIBC__)

enum { HAVE_GNU_CALLOC = 1 };

#else

enum { HAVE_GNU_CALLOC = 0 };

#endif

/* Allocate N bytes of memory dynamically, with error checking. */

void *

xmalloc (size_t n)

{

void *p = malloc (n);

if (!p && n != 0)

!p	Description
TRUE	never evaluated
FALSE	evaluated 271329 times by 56 tests Evaluated by: cat chgrp chmod chown cp csplit cut date dd df dir du expr factor ginstall head id join kill ln ls mkdir mktemp mv nl ...

n != 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-271329

xalloc_die ();

never executed: xalloc_die ();

return p;

executed 271329 times by 56 tests: return p;

Executed by:

cat
chgrp
chmod
chown
cp
csplit
cut
date
dd
df
dir
du
expr
factor
ginstall
head
id
join
kill
ln
ls
mkdir
mktemp
mv
nl
...

271329

}

/* Change the size of an allocated block of memory P to N bytes,

with error checking. */

void *

xrealloc (void *p, size_t n)

{

if (!n && p)

!n	Description
TRUE	never evaluated
FALSE	evaluated 11475 times by 45 tests Evaluated by: chgrp chmod chown comm cp csplit cut date dd df dir du expand factor fold ginstall head join ln ls mv nl numfmt od pinky ...

p	Description
TRUE	never evaluated
FALSE	never evaluated

0-11475

{

/* The GNU and C99 realloc behaviors disagree here. Act like

GNU, even if the underlying realloc is C99. */

free (p);

return NULL;

never executed: return ((void *)0) ;

}

p = realloc (p, n);

if (!p && n)

!p	Description
TRUE	never evaluated
FALSE	evaluated 11475 times by 45 tests Evaluated by: chgrp chmod chown comm cp csplit cut date dd df dir du expand factor fold ginstall head join ln ls mv nl numfmt od pinky ...