diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/libiberty/xmalloc.c')
| -rw-r--r-- | gcc-4.2.1-5666.3/libiberty/xmalloc.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/gcc-4.2.1-5666.3/libiberty/xmalloc.c b/gcc-4.2.1-5666.3/libiberty/xmalloc.c deleted file mode 100644 index 3e97aab56..000000000 --- a/gcc-4.2.1-5666.3/libiberty/xmalloc.c +++ /dev/null @@ -1,184 +0,0 @@ -/* memory allocation routines with error checking. - Copyright 1989, 90, 91, 92, 93, 94 Free Software Foundation, Inc. - -This file is part of the libiberty library. -Libiberty is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public -License as published by the Free Software Foundation; either -version 2 of the License, or (at your option) any later version. - -Libiberty 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with libiberty; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, -Boston, MA 02110-1301, USA. */ - -/* - -@deftypefn Replacement void* xmalloc (size_t) - -Allocate memory without fail. If @code{malloc} fails, this will print -a message to @code{stderr} (using the name set by -@code{xmalloc_set_program_name}, -if any) and then call @code{xexit}. Note that it is therefore safe for -a program to contain @code{#define malloc xmalloc} in its source. - -@end deftypefn - -@deftypefn Replacement void* xrealloc (void *@var{ptr}, size_t @var{size}) -Reallocate memory without fail. This routine functions like @code{realloc}, -but will behave the same as @code{xmalloc} if memory cannot be found. - -@end deftypefn - -@deftypefn Replacement void* xcalloc (size_t @var{nelem}, size_t @var{elsize}) - -Allocate memory without fail, and set it to zero. This routine functions -like @code{calloc}, but will behave the same as @code{xmalloc} if memory -cannot be found. - -@end deftypefn - -@deftypefn Replacement void xmalloc_set_program_name (const char *@var{name}) - -You can use this to set the name of the program used by -@code{xmalloc_failed} when printing a failure message. - -@end deftypefn - -@deftypefn Replacement void xmalloc_failed (size_t) - -This function is not meant to be called by client code, and is listed -here for completeness only. If any of the allocation routines fail, this -function will be called to print an error message and terminate execution. - -@end deftypefn - -*/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include "ansidecl.h" -#include "libiberty.h" - -#include <stdio.h> - -#include <stddef.h> - -#if VMS -#include <stdlib.h> -#include <unixlib.h> -#else -/* For systems with larger pointers than ints, these must be declared. */ -# if HAVE_STDLIB_H && HAVE_UNISTD_H && HAVE_DECL_MALLOC \ - && HAVE_DECL_REALLOC && HAVE_DECL_CALLOC && HAVE_DECL_SBRK -# include <stdlib.h> -# include <unistd.h> -# else -# ifdef __cplusplus -extern "C" { -# endif /* __cplusplus */ -void *malloc (size_t); -void *realloc (void *, size_t); -void *calloc (size_t, size_t); -void *sbrk (ptrdiff_t); -# ifdef __cplusplus -} -# endif /* __cplusplus */ -# endif /* HAVE_STDLIB_H ... */ -#endif /* VMS */ - -/* The program name if set. */ -static const char *name = ""; - -#ifdef HAVE_SBRK -/* The initial sbrk, set when the program name is set. Not used for win32 - ports other than cygwin32. */ -static char *first_break = NULL; -#endif /* HAVE_SBRK */ - -void -xmalloc_set_program_name (const char *s) -{ - name = s; -#ifdef HAVE_SBRK - /* Win32 ports other than cygwin32 don't have brk() */ - if (first_break == NULL) - first_break = (char *) sbrk (0); -#endif /* HAVE_SBRK */ -} - -void -xmalloc_failed (size_t size) -{ -#ifdef HAVE_SBRK - extern char **environ; - size_t allocated; - - if (first_break != NULL) - allocated = (char *) sbrk (0) - first_break; - else - allocated = (char *) sbrk (0) - (char *) &environ; - fprintf (stderr, - "\n%s%sout of memory allocating %lu bytes after a total of %lu bytes\n", - name, *name ? ": " : "", - (unsigned long) size, (unsigned long) allocated); -#else /* HAVE_SBRK */ - fprintf (stderr, - "\n%s%sout of memory allocating %lu bytes\n", - name, *name ? ": " : "", - (unsigned long) size); -#endif /* HAVE_SBRK */ - xexit (1); -} - -PTR -xmalloc (size_t size) -{ - PTR newmem; - - if (size == 0) - size = 1; - newmem = malloc (size); - if (!newmem) - xmalloc_failed (size); - - return (newmem); -} - -PTR -xcalloc (size_t nelem, size_t elsize) -{ - PTR newmem; - - if (nelem == 0 || elsize == 0) - nelem = elsize = 1; - - newmem = calloc (nelem, elsize); - if (!newmem) - xmalloc_failed (nelem * elsize); - - return (newmem); -} - -PTR -xrealloc (PTR oldmem, size_t size) -{ - PTR newmem; - - if (size == 0) - size = 1; - if (!oldmem) - newmem = malloc (size); - else - newmem = realloc (oldmem, size); - if (!newmem) - xmalloc_failed (size); - - return (newmem); -} |