static char dl_last_error[1024];
-static
-void TranslateError(const char *path, int number)
-{
- unsigned int index;
- static const char *OFIErrorStrings[] =
- {
- "%s(%d): Object Image Load Failure\n",
- "%s(%d): Object Image Load Success\n",
- "%s(%d): Not an recognisable object file\n",
- "%s(%d): No valid architecture\n",
- "%s(%d): Object image has an invalid format\n",
- "%s(%d): Invalid access (permissions?)\n",
- "%s(%d): Unknown error code from NSCreateObjectFileImageFromFile\n"
- };
-#define NUM_OFI_ERRORS (sizeof(OFIErrorStrings) / sizeof(OFIErrorStrings[0]))
-
- index = number;
- if (index > NUM_OFI_ERRORS - 1) {
- index = NUM_OFI_ERRORS - 1;
- }
- sprintf(dl_last_error, OFIErrorStrings[index], path, number);
-}
-
const char *dlerror()
{
return dl_last_error;
NSObjectFileImage ofile;
NSModule handle = NULL;
- int dyld_result = NSCreateObjectFileImageFromFile(path, &ofile);
+ unsigned dyld_result = NSCreateObjectFileImageFromFile(path, &ofile);
if ( dyld_result != NSObjectFileImageSuccess )
{
handle = NULL;
+
+ static const char *errorStrings[] =
+ {
+ "%d: Object Image Load Failure",
+ "%d: Object Image Load Success",
+ "%d: Not an recognisable object file",
+ "%d: No valid architecture",
+ "%d: Object image has an invalid format",
+ "%d: Invalid access (permissions?)",
+ "%d: Unknown error code from NSCreateObjectFileImageFromFile"
+ };
+
+ const int index = dyld_result < WXSIZEOF(errorStrings)
+ ? dyld_result
+ : WXSIZEOF(errorStrings) - 1;
+
+ // this call to sprintf() is safe as strings above are fixed at
+ // compile-time and are shorter than WXSIZEOF(dl_last_error)
+ sprintf(dl_last_error, errorStrings[index], dyld_result);
}
else
{
NSLINKMODULE_OPTION_BINDNOW |
NSLINKMODULE_OPTION_RETURN_ON_ERROR
);
+
+ if ( !handle )
+ {
+ NSLinkEditErrors err;
+ int code;
+ const char *filename;
+ const char *errmsg;
+
+ NSLinkEditError(&err, &code, &filename, &errmsg);
+ strncpy(dl_last_error, errmsg, WXSIZEOF(dl_last_error)-1);
+ dl_last_error[WXSIZEOF(dl_last_error)-1] = '\0';
+ }
}
- if ( !handle )
- TranslateError(path, dyld_result);
return handle;
}