#include "nls-enable.h"
#include "blkid/blkid.h"
+static magic_t (*dl_magic_open)(int);
+static const char *(*dl_magic_file)(magic_t, const char *);
+static int (*dl_magic_load)(magic_t, const char *);
+static void (*dl_magic_close)(magic_t);
+
+#ifdef HAVE_MAGIC_H
+#ifdef HAVE_DLOPEN
+#include <dlfcn.h>
+
+static void *magic_handle;
+
+static int magic_library_available(void)
+{
+ if (!magic_handle) {
+ magic_handle = dlopen("libmagic.so.1", RTLD_NOW);
+ if (!magic_handle)
+ return 0;
+
+ dl_magic_open = dlsym(magic_handle, "magic_open");
+ dl_magic_file = dlsym(magic_handle, "magic_file");
+ dl_magic_load = dlsym(magic_handle, "magic_load");
+ dl_magic_close = dlsym(magic_handle, "magic_close");
+ }
+
+ if (!dl_magic_open || !dl_magic_file ||
+ !dl_magic_load || !dl_magic_close)
+ return 0;
+ return 1;
+}
+#else
+static int magic_library_available(void)
+{
+ dl_magic_open = magic_open;
+ dl_magic_file = magic_file;
+ dl_magic_load = magic_load;
+ dl_magic_close = magic_close;
+
+ return 1;
+}
+#endif
+#endif
+
static void print_ext2_info(const char *device)
{
}
#ifdef HAVE_MAGIC_H
- if (flags & CHECK_FS_EXIST) {
+ if ((flags & CHECK_FS_EXIST) && magic_library_available()) {
const char *msg;
magic_t mag;
- mag = magic_open(MAGIC_RAW | MAGIC_SYMLINK | MAGIC_DEVICES |
- MAGIC_ERROR | MAGIC_NO_CHECK_ELF |
- MAGIC_NO_CHECK_COMPRESS);
- magic_load(mag, NULL);
+ mag = dl_magic_open(MAGIC_RAW | MAGIC_SYMLINK | MAGIC_DEVICES |
+ MAGIC_ERROR | MAGIC_NO_CHECK_ELF |
+ MAGIC_NO_CHECK_COMPRESS);
+ dl_magic_load(mag, NULL);
- msg = magic_file(mag, device);
+ msg = dl_magic_file(mag, device);
if (msg && strcmp(msg, "data") && strcmp(msg, "empty"))
printf(_("%s contains a `%s'\n"), device, msg);
- magic_close(mag);
+ dl_magic_close(mag);
return 0;
}
#endif