User's confirmation is asked in different commands. This commit adds a
function for such confirmation.
Signed-off-by: Pierre Aubert <p.aub...@staubli.com>
---
common/cmd_fuse.c | 11 ++---------
common/cmd_nand.c | 16 +++++-----------
common/cmd_otp.c | 18 +++---------------
common/console.c | 28 +++++++++++++++++++++++++++-
include/common.h | 2 +-
5 files changed, 38 insertions(+), 37 deletions(-)
diff --git a/common/cmd_fuse.c b/common/cmd_fuse.c
index 0df57db..abab978 100644
--- a/common/cmd_fuse.c
+++ b/common/cmd_fuse.c
@@ -33,15 +33,8 @@ static int confirm_prog(void)
"what you are doing!\n"
"\nReally perform this fuse programming? <y/N>\n");
- if (getc() == 'y') {
- int c;
-
- putc('y');
- c = getc();
- putc('\n');
- if (c == '\r')
- return 1;
- }
+ if (confirm_yesno())
+ return 1;
puts("Fuse programming aborted\n");
return 0;
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 04ab0f1..a84f7dc 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -605,22 +605,16 @@ static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
opts.spread = spread;
if (scrub) {
- if (!scrub_yes)
- puts(scrub_warn);
-
- if (scrub_yes)
+ if (scrub_yes) {
opts.scrub = 1;
- else if (getc() == 'y') {
- puts("y");
- if (getc() == '\r')
+ } else {
+ puts(scrub_warn);
+ if (confirm_yesno()) {
opts.scrub = 1;
- else {
+ } else {
puts("scrub aborted\n");
return 1;
}
- } else {
- puts("scrub aborted\n");
- return 1;
}
}
ret = nand_erase_opts(nand, &opts);
diff --git a/common/cmd_otp.c b/common/cmd_otp.c
index 67808aa..593bb8c 100644
--- a/common/cmd_otp.c
+++ b/common/cmd_otp.c
@@ -158,21 +158,9 @@ int do_otp(cmd_tbl_t *cmdtp, int flag, int argc, char *
const argv[])
lowup(half + count - 1), page + (half + count - 1) / 2,
half + count
);
-
- i = 0;
- while (1) {
- if (tstc()) {
- const char exp_ans[] = "YES\r";
- char c;
- putc(c = getc());
- if (exp_ans[i++] != c) {
- printf(" Aborting\n");
- return 1;
- } else if (!exp_ans[i]) {
- puts("\n");
- break;
- }
- }
+ if (!confirm_yesno()) {
+ printf(" Aborting\n");
+ return 1;
}
}
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
*/
diff --git a/include/common.h b/include/common.h
index baf361b..1d922b9 100644
--- a/include/common.h
+++ b/include/common.h
@@ -838,7 +838,7 @@ int ctrlc (void);
int had_ctrlc (void); /* have we had a Control-C since last clear? */
void clear_ctrlc (void); /* clear the Control-C condition */
int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */
-
+int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */
/*
* STDIO based functions (can always be used)
*/
--
1.7.6.5
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