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| author | Pierre Aubert <p.aubert@staubli.com> | 2014-04-24 10:30:07 +0200 |
|---|---|---|
| committer | Pantelis Antoniou <panto@antoniou-consulting.com> | 2014-05-23 11:53:05 +0300 |
| commit | a5dffa4b67fb0ad635088c9853abf6fcb181ac3c (patch) | |
| tree | 5fd9cf1fc261a3ad69045731c1ccdfcb0caaa75e /common/console.c | |
| parent | 91fdabc67aebc2468ad362c02449f215e0971c68 (diff) | |
| download | u-boot-imx-a5dffa4b67fb0ad635088c9853abf6fcb181ac3c.zip u-boot-imx-a5dffa4b67fb0ad635088c9853abf6fcb181ac3c.tar.gz u-boot-imx-a5dffa4b67fb0ad635088c9853abf6fcb181ac3c.tar.bz2 | |
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>
Diffstat (limited to 'common/console.c')
| -rw-r--r-- | common/console.c | 28 |
1 files changed, 27 insertions, 1 deletions
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 @@ 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 */ |