se_string.h 2.4 KB

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  1. /*
  2. * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #ifndef _SE_STRING_H_
  32. #define _SE_STRING_H_
  33. #include "se_memcpy.h"
  34. #include <string.h>
  35. #ifndef _ERRNO_T_DEFINED
  36. #define _ERRNO_T_DEFINED
  37. typedef int errno_t;
  38. #endif
  39. static inline errno_t strcat_s(char *dst, size_t max_size, const char *src)
  40. {
  41. if(strlen(dst)+strlen(src)+1>max_size)return -1;
  42. strcat(dst, src);
  43. return 0;
  44. }
  45. static inline errno_t strcpy_s(char *dst, size_t max_size, const char *src)
  46. {
  47. if(strnlen(src, max_size)+1>max_size)return -1;
  48. strcpy(dst, src);
  49. return 0;
  50. }
  51. #define _strnicmp strncasecmp
  52. static inline errno_t strncat_s(char *dst, size_t max_size, const char *src, size_t max_count)
  53. {
  54. size_t len = strnlen(src,max_count);
  55. len+=strnlen(dst, max_size)+1;
  56. if(len>max_size)return -1;
  57. strncat(dst, src, max_count);
  58. return 0;
  59. }
  60. #define _strdup strdup
  61. #define strnlen_s strnlen
  62. #endif