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Add the function 'confirm_yesno' for interactive

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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>
This commit is contained in:
Pierre Aubert
2014-04-24 10:30:07 +02:00
committed by Pantelis Antoniou
parent 91fdabc67a
commit a5dffa4b67
5 changed files with 37 additions and 36 deletions
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26
common/console.c
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@@ -537,7 +537,33 @@ int ctrlc(void)
}
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
*/