// to the file.
char exe_path[PATH_MAX];
#if __FreeBSD_version >= 1300057
- if (elf_aux_info(AT_EXECPATH, exe_path, sizeof(exe_path)) == 0)
- return exe_path;
+ if (elf_aux_info(AT_EXECPATH, exe_path, sizeof(exe_path)) == 0) {
+ char link_path[PATH_MAX];
+ if (realpath(exe_path, link_path))
+ return link_path;
+ }
#else
// elf_aux_info(AT_EXECPATH, ... is not available in all supported versions,
// fall back to finding the ELF auxiliary vectors after the process's
while (*p++ != 0)
;
// Iterate through auxiliary vectors for AT_EXECPATH.
- for (; *(uintptr_t *)p != AT_NULL; p++) {
- if (*(uintptr_t *)p++ == AT_EXECPATH)
- return *p;
+ for (Elf_Auxinfo *aux = (Elf_Auxinfo *)p; aux->a_type != AT_NULL; aux++) {
+ if (aux->a_type == AT_EXECPATH) {
+ char link_path[PATH_MAX];
+ if (realpath((char *)aux->a_un.a_ptr, link_path))
+ return link_path;
+ }
}
#endif
// Fall back to argv[0] if auxiliary vectors are not available.