alloc_buffer_allocate.c 1.3 KB

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  1. /* Allocate a fixed-size allocation buffer using malloc.
  2. Copyright (C) 2017-2026 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #include <alloc_buffer.h>
  16. #include <stdlib.h>
  17. struct alloc_buffer
  18. __libc_alloc_buffer_allocate (size_t size, void **pptr)
  19. {
  20. *pptr = malloc (size);
  21. if (*pptr == NULL)
  22. return (struct alloc_buffer)
  23. {
  24. .__alloc_buffer_current = __ALLOC_BUFFER_INVALID_POINTER,
  25. .__alloc_buffer_end = __ALLOC_BUFFER_INVALID_POINTER
  26. };
  27. else
  28. return alloc_buffer_create (*pptr, size);
  29. }
  30. libc_hidden_def (__libc_alloc_buffer_allocate)