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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2010-07-21 12:39:42 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-07-21 12:39:42 +0200 |
| commit | c5fb0ada9b9efe65ceef3f2b5171573463e07b4f (patch) | |
| tree | 7707f335186557e28274b964a1ac48395304233d | |
| parent | 217df6ea9fe3fa93e2cf3e6b44cbec14a526f422 (diff) | |
| download | busybox-c5fb0ada9b9efe65ceef3f2b5171573463e07b4f.tar.gz | |
vi: fix "ask terminal" code
function old new delta
edit_file 761 793 +32
refresh 773 780 +7
query_screen_dimensions 63 54 -9
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | editors/vi.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/editors/vi.c b/editors/vi.c index 0f412c362..73e095cf8 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -504,20 +504,17 @@ static int init_text_buffer(char *fn) } #if ENABLE_FEATURE_VI_WIN_RESIZE -static void query_screen_dimensions(void) +static int query_screen_dimensions(void) { -# if ENABLE_FEATURE_VI_ASK_TERMINAL - if (!G.get_rowcol_error) - G.get_rowcol_error = -# endif - get_terminal_width_height(STDIN_FILENO, &columns, &rows); + int err = get_terminal_width_height(STDIN_FILENO, &columns, &rows); if (rows > MAX_SCR_ROWS) rows = MAX_SCR_ROWS; if (columns > MAX_SCR_COLS) columns = MAX_SCR_COLS; + return err; } #else -# define query_screen_dimensions() ((void)0) +# define query_screen_dimensions() (0) #endif static void edit_file(char *fn) @@ -536,7 +533,7 @@ static void edit_file(char *fn) rows = 24; columns = 80; size = 0; - query_screen_dimensions(); + IF_FEATURE_VI_ASK_TERMINAL(G.get_rowcol_error =) query_screen_dimensions(); #if ENABLE_FEATURE_VI_ASK_TERMINAL if (G.get_rowcol_error /* TODO? && no input on stdin */) { uint64_t k; @@ -546,9 +543,12 @@ static void edit_file(char *fn) if ((int32_t)k == KEYCODE_CURSOR_POS) { uint32_t rc = (k >> 32); columns = (rc & 0x7fff); + if (columns > MAX_SCR_COLS) + columns = MAX_SCR_COLS; rows = ((rc >> 16) & 0x7fff); + if (rows > MAX_SCR_ROWS) + rows = MAX_SCR_ROWS; } - query_screen_dimensions(); } #endif new_screen(rows, columns); // get memory for virtual screen @@ -2797,7 +2797,7 @@ static void refresh(int full_screen) int li, changed; char *tp, *sp; // pointer into text[] and screen[] - if (ENABLE_FEATURE_VI_WIN_RESIZE) { + if (ENABLE_FEATURE_VI_WIN_RESIZE IF_FEATURE_VI_ASK_TERMINAL(&& !G.get_rowcol_error) ) { unsigned c = columns, r = rows; query_screen_dimensions(); full_screen |= (c - columns) | (r - rows); |