compat.hpp 2.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475
  1. /*
  2. Copyright (c) 2020 Contributors as noted in the AUTHORS file
  3. This file is part of libzmq, the ZeroMQ core engine in C++.
  4. libzmq is free software; you can redistribute it and/or modify it under
  5. the terms of the GNU Lesser General Public License (LGPL) as published
  6. by the Free Software Foundation; either version 3 of the License, or
  7. (at your option) any later version.
  8. As a special exception, the Contributors give you permission to link
  9. this library with independent modules to produce an executable,
  10. regardless of the license terms of these independent modules, and to
  11. copy and distribute the resulting executable under terms of your choice,
  12. provided that you also meet, for each linked independent module, the
  13. terms and conditions of the license of that module. An independent
  14. module is a module which is not derived from or based on this library.
  15. If you modify this library, you must extend this exception to your
  16. version of the library.
  17. libzmq is distributed in the hope that it will be useful, but WITHOUT
  18. ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19. FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
  20. License for more details.
  21. You should have received a copy of the GNU Lesser General Public License
  22. along with this program. If not, see <http://www.gnu.org/licenses/>.
  23. */
  24. #ifndef __ZMQ_COMPAT_HPP_INCLUDED__
  25. #define __ZMQ_COMPAT_HPP_INCLUDED__
  26. #include "precompiled.hpp"
  27. #include <string.h>
  28. #ifdef ZMQ_HAVE_WINDOWS
  29. #define strcasecmp _stricmp
  30. #define strtok_r strtok_s
  31. #else
  32. #ifndef ZMQ_HAVE_STRLCPY
  33. #ifdef ZMQ_HAVE_LIBBSD
  34. #include <bsd/string.h>
  35. #else
  36. static inline size_t
  37. strlcpy (char *dest_, const char *src_, const size_t dest_size_)
  38. {
  39. size_t remain = dest_size_;
  40. for (; remain && *src_; --remain, ++src_, ++dest_) {
  41. *dest_ = *src_;
  42. }
  43. return dest_size_ - remain;
  44. }
  45. #endif
  46. #endif
  47. template <size_t size>
  48. static inline int strcpy_s (char (&dest_)[size], const char *const src_)
  49. {
  50. const size_t res = strlcpy (dest_, src_, size);
  51. return res >= size ? ERANGE : 0;
  52. }
  53. #endif
  54. #ifndef HAVE_STRNLEN
  55. static inline size_t strnlen (const char *s, size_t len)
  56. {
  57. for (size_t i = 0; i < len; i++) {
  58. if (s[i] == '\0')
  59. return i + 1;
  60. }
  61. return len;
  62. }
  63. #endif
  64. #endif