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authorGraydon, Tracy <tracy.graydon@intel.com>2013-01-31 18:44:07 -0800
committerGraydon, Tracy <tracy.graydon@intel.com>2013-01-31 18:44:07 -0800
commitb19d79bf9028f58e3e4226bd9410b59f19fe3c8d (patch)
treea84dec919322f3d19c7c0cf3050c8c134a0d4fc6 /tools/util.c
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Diffstat (limited to 'tools/util.c')
-rw-r--r--tools/util.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/tools/util.c b/tools/util.c
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+/*
+ util.c - helper functions
+ Copyright (C) 2006 Jean Delvare <khali@linux-fr.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+*/
+
+#include <stdio.h>
+#include "util.h"
+
+/* Return 1 if we should continue, 0 if we should abort */
+int user_ack(int def)
+{
+ char s[2];
+ int ret;
+
+ if (!fgets(s, 2, stdin))
+ return 0; /* Nack by default */
+
+ switch (s[0]) {
+ case 'y':
+ case 'Y':
+ ret = 1;
+ break;
+ case 'n':
+ case 'N':
+ ret = 0;
+ break;
+ default:
+ ret = def;
+ }
+
+ /* Flush extra characters */
+ while (s[0] != '\n') {
+ int c = fgetc(stdin);
+ if (c == EOF) {
+ ret = 0;
+ break;
+ }
+ s[0] = c;
+ }
+
+ return ret;
+}
+