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binreloc.h

/*
 * BinReloc - a library for creating relocatable executables
 * Written by: Hongli Lai <h.lai@chello.nl>
 * http://autopackage.org/
 *
 * This source code is public domain. You can relicense this code
 * under whatever license you want.
 *
 * See http://autopackage.org/docs/binreloc/ for
 * more information and how to use this.
 */

#ifndef __BINRELOC_H__
#define __BINRELOC_H__

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


/** These error codes can be returned by br_init(), br_init_lib(), gbr_init() or gbr_init_lib(). */
typedef enum {
      /** Cannot allocate memory. */
      BR_INIT_ERROR_NOMEM,
      /** Unable to open /proc/self/maps; see errno for details. */
      BR_INIT_ERROR_OPEN_MAPS,
      /** Unable to read from /proc/self/maps; see errno for details. */
      BR_INIT_ERROR_READ_MAPS,
      /** The file format of /proc/self/maps is invalid; kernel bug? */
      BR_INIT_ERROR_INVALID_MAPS,
      /** BinReloc is disabled (the ENABLE_BINRELOC macro is not defined). */
      BR_INIT_ERROR_DISABLED
} BrInitError;


#ifndef BINRELOC_RUNNING_DOXYGEN
/* Mangle symbol names to avoid symbol collisions with other ELF objects. */
      #define br_init             zLhm65070058860608_br_init
      #define br_init_lib         zLhm65070058860608_br_init_lib
      #define br_find_exe         zLhm65070058860608_br_find_exe
      #define br_find_exe_dir     zLhm65070058860608_br_find_exe_dir
      #define br_find_prefix      zLhm65070058860608_br_find_prefix
      #define br_find_bin_dir     zLhm65070058860608_br_find_bin_dir
      #define br_find_sbin_dir    zLhm65070058860608_br_find_sbin_dir
      #define br_find_data_dir    zLhm65070058860608_br_find_data_dir
      #define br_find_locale_dir  zLhm65070058860608_br_find_locale_dir
      #define br_find_lib_dir     zLhm65070058860608_br_find_lib_dir
      #define br_find_libexec_dir zLhm65070058860608_br_find_libexec_dir
      #define br_find_etc_dir     zLhm65070058860608_br_find_etc_dir
      #define br_strcat           zLhm65070058860608_br_strcat
      #define br_build_path       zLhm65070058860608_br_build_path
      #define br_dirname          zLhm65070058860608_br_dirname


#endif
int   br_init             (BrInitError *error);
int   br_init_lib         (BrInitError *error);

char *br_find_exe         (const char *default_exe);
char *br_find_exe_dir     (const char *default_dir);
char *br_find_prefix      (const char *default_prefix);
char *br_find_bin_dir     (const char *default_bin_dir);
char *br_find_sbin_dir    (const char *default_sbin_dir);
char *br_find_data_dir    (const char *default_data_dir);
char *br_find_locale_dir  (const char *default_locale_dir);
char *br_find_lib_dir     (const char *default_lib_dir);
char *br_find_libexec_dir (const char *default_libexec_dir);
char *br_find_etc_dir     (const char *default_etc_dir);

/* Utility functions */
char *br_strcat  (const char *str1, const char *str2);
char *br_build_path (const char *dir, const char *file);
char *br_dirname (const char *path);


#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __BINRELOC_H__ */

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