/src/ftk_dlfcn.c

http://ftk.googlecode.com/ · C · 138 lines · 82 code · 27 blank · 29 comment · 16 complexity · dd051f53d98a8c780087b0db725f94d1 MD5 · raw file

  1. /*
  2. * File: ftk_dlfcn.h
  3. * Author: Li XianJing <xianjimli@hotmail.com>
  4. * Brief: wrap dlfcn
  5. *
  6. * Copyright (c) 2011 Li XianJing <xianjimli@hotmail.com>
  7. *
  8. * Licensed under the Academic Free License version 2.1
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License as published by
  12. * the Free Software Foundation; either version 2 of the License, or
  13. * (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  23. */
  24. /*
  25. * History:
  26. * ================================================================
  27. * 2011-05-01 Li XianJing <xianjimli@hotmail.com> created
  28. *
  29. */
  30. #include "ftk_log.h"
  31. #include "ftk_dlfcn.h"
  32. #if defined(FTK_HAS_DLOPEN)
  33. #include <dlfcn.h>
  34. void* ftk_dlopen(const char* filename)
  35. {
  36. void* handle = NULL;
  37. return_val_if_fail(filename != NULL, NULL);
  38. if((handle = dlopen(filename, RTLD_NOW)) == NULL)
  39. {
  40. ftk_logd("dlopen %s failed(%s)\n", filename, dlerror());
  41. }
  42. return handle;
  43. }
  44. void* ftk_dlsym(void* handle, const char* func)
  45. {
  46. void* fhandle = NULL;
  47. return_val_if_fail(handle != NULL && func != NULL, NULL);
  48. if((fhandle = dlsym(handle, func)) == NULL)
  49. {
  50. ftk_logd("dlsym %s failed(%s)\n", func, dlerror());
  51. }
  52. return fhandle;
  53. }
  54. void ftk_dlclose(void* handle)
  55. {
  56. if(handle != NULL)
  57. {
  58. dlclose(handle);
  59. }
  60. return;
  61. }
  62. char* ftk_dl_file_name(const char* name, char filename[FTK_MAX_PATH+1])
  63. {
  64. ftk_snprintf(filename, FTK_MAX_PATH, "lib%s.so", name);
  65. return filename;
  66. }
  67. #elif defined(FTK_HAS_LOAD_LIBRARY)
  68. void* ftk_dlopen(const char* filename)
  69. {
  70. void* handle = NULL;
  71. return_val_if_fail(filename != NULL, NULL);
  72. handle = LoadLibrary(filename);
  73. return handle;
  74. }
  75. void* ftk_dlsym(void* handle, const char* func)
  76. {
  77. void* fhandle = NULL;
  78. return_val_if_fail(handle != NULL && func != NULL, NULL);
  79. fhandle = GetProcAddress((HMODULE)handle, func);
  80. return fhandle;
  81. }
  82. void ftk_dlclose(void* handle)
  83. {
  84. if(handle != NULL)
  85. {
  86. FreeLibrary((HMODULE)handle);
  87. }
  88. return;
  89. }
  90. char* ftk_dl_file_name(const char* name, char filename[FTK_MAX_PATH+1])
  91. {
  92. ftk_snprintf(filename, FTK_MAX_PATH, "%s.dll", name);
  93. return filename;
  94. }
  95. #else
  96. void* ftk_dlopen(const char* filename)
  97. {
  98. return NULL;
  99. }
  100. void* ftk_dlsym(void* handle, const char* func)
  101. {
  102. return NULL;
  103. }
  104. void ftk_dlclose(void* handle)
  105. {
  106. }
  107. char* ftk_dl_file_name(const char* name, char filename[FTK_MAX_PATH+1])
  108. {
  109. return NULL;
  110. }
  111. #endif