return filename_from_str(data);
}
-#ifndef __WINE__ /* No SecureZeroMemory in Winelib 1.4 */
+#ifndef NO_SECUREZEROMEMORY
/*
* Windows implementation of smemclr (see misc.c) using SecureZeroMemory.
*/
return ret;
}
+/*
+ * A tree234 containing mappings from system error codes to strings.
+ */
+
+struct errstring {
+ int error;
+ char *text;
+};
+
+static int errstring_find(void *av, void *bv)
+{
+ int *a = (int *)av;
+ struct errstring *b = (struct errstring *)bv;
+ if (*a < b->error)
+ return -1;
+ if (*a > b->error)
+ return +1;
+ return 0;
+}
+static int errstring_compare(void *av, void *bv)
+{
+ struct errstring *a = (struct errstring *)av;
+ return errstring_find(&a->error, bv);
+}
+
+static tree234 *errstrings = NULL;
+
+const char *win_strerror(int error)
+{
+ struct errstring *es;
+
+ if (!errstrings)
+ errstrings = newtree234(errstring_compare);
+
+ es = find234(errstrings, &error, errstring_find);
+
+ if (!es) {
+ int bufsize;
+
+ es = snew(struct errstring);
+ es->error = error;
+ /* maximum size for FormatMessage is 64K */
+ bufsize = 65535;
+ es->text = snewn(bufsize, char);
+ if (!FormatMessage((FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS), NULL, error,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ es->text, bufsize, NULL)) {
+ sprintf(es->text,
+ "Windows error code %d (and FormatMessage returned %d)",
+ error, GetLastError());
+ } else {
+ int len = strlen(es->text);
+ if (len > 0 && es->text[len-1] == '\n')
+ es->text[len-1] = '\0';
+ }
+ es->text = sresize(es->text, strlen(es->text) + 1, char);
+ add234(errstrings, es);
+ }
+
+ return es->text;
+}
+
#ifdef DEBUG
static FILE *debug_fp = NULL;
static HANDLE debug_hdl = INVALID_HANDLE_VALUE;