Add the function 'confirm_yesno' for interactive
User's confirmation is asked in different commands. This commit adds a
function for such confirmation.
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: Pierre Aubert <p.aubert@staubli.com>
diff --git a/common/console.c b/common/console.c
index 2dfb788..5453726 100644
--- a/common/console.c
+++ b/common/console.c
@@ -537,7 +537,33 @@
}
return 0;
}
+/* Reads user's confirmation.
+ Returns 1 if user's input is "y", "Y", "yes" or "YES"
+*/
+int confirm_yesno(void)
+{
+ int i;
+ char str_input[5];
+ /* Flush input */
+ while (tstc())
+ getc();
+ i = 0;
+ while (i < sizeof(str_input)) {
+ str_input[i] = getc();
+ putc(str_input[i]);
+ if (str_input[i] == '\r')
+ break;
+ i++;
+ }
+ putc('\n');
+ if (strncmp(str_input, "y\r", 2) == 0 ||
+ strncmp(str_input, "Y\r", 2) == 0 ||
+ strncmp(str_input, "yes\r", 4) == 0 ||
+ strncmp(str_input, "YES\r", 4) == 0)
+ return 1;
+ return 0;
+}
/* pass 1 to disable ctrlc() checking, 0 to enable.
* returns previous state
*/