diff options
Diffstat (limited to 'mysys/mysys_priv.h')
| -rw-r--r-- | mysys/mysys_priv.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/mysys/mysys_priv.h b/mysys/mysys_priv.h index 9c6855bb92f..0072b8c77f0 100644 --- a/mysys/mysys_priv.h +++ b/mysys/mysys_priv.h @@ -92,6 +92,34 @@ size_t sf_malloc_usable_size(void *ptr, my_bool *is_thread_specific); void my_error_unregister_all(void); +#if !defined(O_PATH) && defined(O_EXEC) /* FreeBSD */ +#define O_PATH O_EXEC +#endif + +#ifdef O_PATH +#define HAVE_OPEN_PARENT_DIR_NOSYMLINKS +const char *my_open_parent_dir_nosymlinks(const char *pathname, int *pdfd); +#define NOSYMLINK_FUNCTION_BODY(AT,NOAT) \ + int dfd, res; \ + const char *filename= my_open_parent_dir_nosymlinks(pathname, &dfd); \ + if (filename == NULL) return -1; \ + res= AT; \ + if (dfd >= 0) close(dfd); \ + return res; +#elif defined(HAVE_REALPATH) +#define NOSYMLINK_FUNCTION_BODY(AT,NOAT) \ + char buf[PATH_MAX+1]; \ + if (realpath(pathname, buf) == NULL) return -1; \ + if (strcmp(pathname, buf)) { errno= ENOTDIR; return -1; } \ + return NOAT; +#else +#define NOSYMLINK_FUNCTION_BODY(AT,NOAT) \ + return NOAT; +#endif + +#define CREATE_NOSYMLINK_FUNCTION(PROTO,AT,NOAT) \ +static int PROTO { NOSYMLINK_FUNCTION_BODY(AT,NOAT) } + #ifdef _WIN32 #include <sys/stat.h> /* my_winfile.c exports, should not be used outside mysys */ |