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| author | Denys Vlasenko | 2010-07-25 00:06:41 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-07-25 00:06:41 +0200 |
| commit | 451add4f23c14459734e05104ea0bc5ed4de39ee (patch) | |
| tree | 644c8ca77f1d6052ca089bda2f22c9a9ae17f601 /libbb/lineedit.c | |
| parent | 2e9b5510d687e5418bea85c3b04ad1e1fa797b6f (diff) | |
| download | busybox-451add4f23c14459734e05104ea0bc5ed4de39ee.zip busybox-451add4f23c14459734e05104ea0bc5ed4de39ee.tar.gz | |
lineedit: mostly revert recent wrong logic in "ask terminal" code
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/lineedit.c')
| -rw-r--r-- | libbb/lineedit.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c index a62ab6d..6df556f 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -149,7 +149,6 @@ struct lineedit_statics { CHAR_T delbuf[DELBUFSIZ]; /* a place to store deleted characters */ #endif #if ENABLE_FEATURE_EDITING_ASK_TERMINAL - smallint unknown_width; smallint sent_ESC_br6n; #endif @@ -1611,16 +1610,14 @@ static void ask_terminal(void) * poll([{fd=0, events=POLLIN}], 1, 4294967295) = 1 ([{fd=0, revents=POLLIN}]) * read(0, "\n", 1) = 1 <-- oh crap, user's input got in first */ - if (S.unknown_width) { /* only if window size is not known */ - struct pollfd pfd; - - pfd.fd = STDIN_FILENO; - pfd.events = POLLIN; - if (safe_poll(&pfd, 1, 0) == 0) { - S.sent_ESC_br6n = 1; - fputs("\033" "[6n", stdout); - fflush_all(); /* make terminal see it ASAP! */ - } + struct pollfd pfd; + + pfd.fd = STDIN_FILENO; + pfd.events = POLLIN; + if (safe_poll(&pfd, 1, 0) == 0) { + S.sent_ESC_br6n = 1; + fputs("\033" "[6n", stdout); + fflush_all(); /* make terminal see it ASAP! */ } } #else @@ -1768,7 +1765,7 @@ static void win_changed(int nsig) { int sv_errno = errno; unsigned width; - IF_FEATURE_EDITING_ASK_TERMINAL(S.unknown_width =) get_terminal_width_height(0, &width, NULL); + get_terminal_width_height(0, &width, NULL); cmdedit_setwidth(width, nsig /* - just a yes/no flag */); if (nsig == SIGWINCH) signal(SIGWINCH, win_changed); /* rearm ourself */ |