diff options
Diffstat (limited to 'common/main.c')
| -rw-r--r-- | common/main.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/common/main.c b/common/main.c index 026edd1db..10d890417 100644 --- a/common/main.c +++ b/common/main.c @@ -715,16 +715,17 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len) { unsigned long num = 0; unsigned long eol_num = 0; - unsigned long rlen; unsigned long wlen; char ichar; int insert = 1; int esc_len = 0; - int rc = 0; char esc_save[8]; + int init_len = strlen(buf); + + if (init_len) + cread_add_str(buf, init_len, 1, &num, &eol_num, buf, *len); while (1) { - rlen = 1; #ifdef CONFIG_BOOT_RETRY_TIME while (!tstc()) { /* while no incoming data */ if (retry_time >= 0 && get_ticks() > endtime) @@ -923,7 +924,7 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len) cread_add_to_hist(buf); hist_cur = hist_add_idx; - return (rc); + return 0; } #endif /* CONFIG_CMDLINE_EDITING */ @@ -940,6 +941,12 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len) */ int readline (const char *const prompt) { + /* + * If console_buffer isn't 0-length the user will be prompted to modify + * it instead of entering it from scratch as desired. + */ + console_buffer[0] = '\0'; + return readline_into_buffer(prompt, console_buffer); } @@ -964,7 +971,8 @@ int readline_into_buffer (const char *const prompt, char * buffer) initted = 1; } - puts (prompt); + if (prompt) + puts (prompt); rc = cread_line(prompt, p, &len); return rc < 0 ? rc : len; |