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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>
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parent
91fdabc67a
commit
a5dffa4b67
5 changed files with 37 additions and 36 deletions
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@ -33,15 +33,8 @@ static int confirm_prog(void)
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"what you are doing!\n"
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"\nReally perform this fuse programming? <y/N>\n");
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if (getc() == 'y') {
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int c;
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putc('y');
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c = getc();
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putc('\n');
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if (c == '\r')
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return 1;
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}
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if (confirm_yesno())
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return 1;
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puts("Fuse programming aborted\n");
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return 0;
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@ -605,22 +605,16 @@ static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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opts.spread = spread;
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if (scrub) {
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if (!scrub_yes)
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puts(scrub_warn);
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if (scrub_yes)
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if (scrub_yes) {
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opts.scrub = 1;
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else if (getc() == 'y') {
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puts("y");
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if (getc() == '\r')
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} else {
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puts(scrub_warn);
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if (confirm_yesno()) {
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opts.scrub = 1;
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else {
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} else {
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puts("scrub aborted\n");
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return 1;
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}
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} else {
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puts("scrub aborted\n");
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return 1;
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}
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}
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ret = nand_erase_opts(nand, &opts);
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@ -158,21 +158,9 @@ int do_otp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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lowup(half + count - 1), page + (half + count - 1) / 2,
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half + count
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);
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i = 0;
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while (1) {
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if (tstc()) {
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const char exp_ans[] = "YES\r";
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char c;
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putc(c = getc());
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if (exp_ans[i++] != c) {
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printf(" Aborting\n");
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return 1;
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} else if (!exp_ans[i]) {
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puts("\n");
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break;
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}
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}
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if (!confirm_yesno()) {
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printf(" Aborting\n");
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return 1;
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}
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}
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@ -537,7 +537,33 @@ int ctrlc(void)
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}
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return 0;
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}
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/* Reads user's confirmation.
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Returns 1 if user's input is "y", "Y", "yes" or "YES"
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*/
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int confirm_yesno(void)
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{
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int i;
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char str_input[5];
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/* Flush input */
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while (tstc())
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getc();
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i = 0;
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while (i < sizeof(str_input)) {
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str_input[i] = getc();
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putc(str_input[i]);
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if (str_input[i] == '\r')
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break;
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i++;
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}
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putc('\n');
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if (strncmp(str_input, "y\r", 2) == 0 ||
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strncmp(str_input, "Y\r", 2) == 0 ||
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strncmp(str_input, "yes\r", 4) == 0 ||
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strncmp(str_input, "YES\r", 4) == 0)
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return 1;
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return 0;
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}
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/* pass 1 to disable ctrlc() checking, 0 to enable.
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* returns previous state
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*/
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@ -836,7 +836,7 @@ int ctrlc (void);
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int had_ctrlc (void); /* have we had a Control-C since last clear? */
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void clear_ctrlc (void); /* clear the Control-C condition */
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int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */
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int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */
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/*
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* STDIO based functions (can always be used)
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*/
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