malloc.c 1.4 KB

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  1. /* malloc() function that is glibc compatible.
  2. Copyright (C) 1997, 1998, 2006, 2007 Free Software Foundation, Inc.
  3. This program is free software; you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation; either version 3, or (at your option)
  6. any later version.
  7. This program is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. You should have received a copy of the GNU General Public License
  12. along with this program; if not, write to the Free Software Foundation,
  13. Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
  14. /* written by Jim Meyering and Bruno Haible */
  15. #include <config.h>
  16. /* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
  17. #ifdef malloc
  18. # define NEED_MALLOC_GNU
  19. # undef malloc
  20. #endif
  21. /* Specification. */
  22. #include <stdlib.h>
  23. #include <errno.h>
  24. /* Call the system's malloc below. */
  25. #undef malloc
  26. /* Allocate an N-byte block of memory from the heap.
  27. If N is zero, allocate a 1-byte block. */
  28. void *
  29. rpl_malloc (size_t n)
  30. {
  31. void *result;
  32. #ifdef NEED_MALLOC_GNU
  33. if (n == 0)
  34. n = 1;
  35. #endif
  36. result = malloc (n);
  37. #if !HAVE_MALLOC_POSIX
  38. if (result == NULL)
  39. errno = ENOMEM;
  40. #endif
  41. return result;
  42. }