X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxmalloc.c;h=2f103d6049178e6fa69879d91032c08c2bb3dc2c;hb=488cf84c63fbbffa44143d0ebf56e5a6c26d4383;hp=c67082235abf5b91404cf389a4855e5d2bb6a17c;hpb=cf42d3e5e80be6bf7093a3ca9be0d04033eaf527;p=gnulib.git diff --git a/lib/xmalloc.c b/lib/xmalloc.c index c67082235..2f103d604 100644 --- a/lib/xmalloc.c +++ b/lib/xmalloc.c @@ -1,5 +1,5 @@ /* xmalloc.c -- malloc with out of memory checking - Copyright (C) 1990-1997, 98 Free Software Foundation, Inc. + Copyright (C) 1990-1999, 2000 Free Software Foundation, Inc. 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 @@ -46,43 +46,35 @@ void free (); # define EXIT_FAILURE 1 #endif -/* Prototypes for functions defined here. */ -#if defined (__STDC__) && __STDC__ -void *xmalloc (size_t n); -void *xcalloc (size_t n, size_t s); -void *xrealloc (void *p, size_t n); -#endif - #ifndef HAVE_DONE_WORKING_MALLOC_CHECK -you must run the autoconf test for a properly working malloc -- see malloc.m4 +"you must run the autoconf test for a properly working malloc -- see malloc.m4" #endif #ifndef HAVE_DONE_WORKING_REALLOC_CHECK -you must run the autoconf test for a properly working realloc -- see realloc.m4 +"you must run the autoconf test for a properly working realloc --see realloc.m4" #endif /* Exit value when the requested amount of memory is not available. The caller may set it to some other value. */ int xalloc_exit_failure = EXIT_FAILURE; -/* FIXME: describe */ -char *const xalloc_msg_memory_exhausted = N_("Memory exhausted"); +/* If non NULL, call this function when memory is exhausted. */ +void (*xalloc_fail_func) PARAMS ((void)) = 0; -/* FIXME: describe */ -void (*xalloc_fail_func) () = 0; +/* If XALLOC_FAIL_FUNC is NULL, or does return, display this message + before exiting when memory is exhausted. Goes through gettext. */ +char const xalloc_msg_memory_exhausted[] = N_("memory exhausted"); -#if __STDC__ && (HAVE_VPRINTF || HAVE_DOPRNT) -void error (int, int, const char *, ...); -#else -void error (); -#endif - -static void -xalloc_fail (void) +void +xalloc_die (void) { if (xalloc_fail_func) (*xalloc_fail_func) (); - error (xalloc_exit_failure, 0, xalloc_msg_memory_exhausted); + error (xalloc_exit_failure, 0, "%s", _(xalloc_msg_memory_exhausted)); + /* The `noreturn' cannot be given to error, since it may return if + its first argument is 0. To help compilers understand the + xalloc_die does terminate, call exit. */ + exit (EXIT_FAILURE); } /* Allocate N bytes of memory dynamically, with error checking. */ @@ -94,25 +86,22 @@ xmalloc (size_t n) p = malloc (n); if (p == 0) - xalloc_fail (); + xalloc_die (); return p; } /* Change the size of an allocated block of memory P to N bytes, - with error checking. - If P is NULL, run xmalloc. */ + with error checking. */ void * xrealloc (void *p, size_t n) { p = realloc (p, n); if (p == 0) - xalloc_fail (); + xalloc_die (); return p; } -#ifdef NOT_USED - /* Allocate memory for N elements of S bytes, with error checking. */ void * @@ -122,8 +111,6 @@ xcalloc (size_t n, size_t s) p = calloc (n, s); if (p == 0) - xalloc_fail (); + xalloc_die (); return p; } - -#endif /* NOT_USED */