buffer.h 1.6 KB

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  1. /*
  2. * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the OpenSSL license (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. #ifndef HEADER_BUFFER_H
  10. # define HEADER_BUFFER_H
  11. # include <openssl/ossl_typ.h>
  12. # ifndef HEADER_CRYPTO_H
  13. # include <openssl/crypto.h>
  14. # endif
  15. # include <openssl/buffererr.h>
  16. #ifdef __cplusplus
  17. extern "C" {
  18. #endif
  19. # include <stddef.h>
  20. # include <sys/types.h>
  21. /*
  22. * These names are outdated as of OpenSSL 1.1; a future release
  23. * will move them to be deprecated.
  24. */
  25. # define BUF_strdup(s) OPENSSL_strdup(s)
  26. # define BUF_strndup(s, size) OPENSSL_strndup(s, size)
  27. # define BUF_memdup(data, size) OPENSSL_memdup(data, size)
  28. # define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size)
  29. # define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
  30. # define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)
  31. struct buf_mem_st {
  32. size_t length; /* current number of bytes */
  33. char *data;
  34. size_t max; /* size of buffer */
  35. unsigned long flags;
  36. };
  37. # define BUF_MEM_FLAG_SECURE 0x01
  38. BUF_MEM *BUF_MEM_new(void);
  39. BUF_MEM *BUF_MEM_new_ex(unsigned long flags);
  40. void BUF_MEM_free(BUF_MEM *a);
  41. size_t BUF_MEM_grow(BUF_MEM *str, size_t len);
  42. size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
  43. void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);
  44. # ifdef __cplusplus
  45. }
  46. # endif
  47. #endif