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| author | Pierre Muller <muller@sourceware.org> | 2013-08-13 08:31:20 +0000 |
|---|---|---|
| committer | Pierre Muller <muller@sourceware.org> | 2013-08-13 08:31:20 +0000 |
| commit | 1a66331ea18b3a1300c22f984052569b67dd5164 (patch) | |
| tree | 2b8129129bd01eb5ad483d4271a1b1ed87b24c01 /gdb/utils.c | |
| parent | 859e69820724d36af8f91bcb43422f9d34f9a60b (diff) | |
| download | gdb-1a66331ea18b3a1300c22f984052569b67dd5164.zip gdb-1a66331ea18b3a1300c22f984052569b67dd5164.tar.gz gdb-1a66331ea18b3a1300c22f984052569b67dd5164.tar.bz2 | |
* src/gdb/utils.c (init_page_info): Only call tgetnum function
if rl_get_screen_size did not return useful values.
Diffstat (limited to 'gdb/utils.c')
| -rw-r--r-- | gdb/utils.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gdb/utils.c b/gdb/utils.c index 61d5023..0652197 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -1660,12 +1660,16 @@ init_page_info (void) lines_per_page = rows; chars_per_line = cols; - /* Readline should have fetched the termcap entry for us. */ - if (tgetnum ("li") < 0 || getenv ("EMACS")) + /* Readline should have fetched the termcap entry for us. + Only try to use tgetnum function if rl_get_screen_size + did not return a useful value. */ + if (((rows <= 0) && (tgetnum ("li") < 0)) + /* Also disable paging if inside EMACS. */ + || getenv ("EMACS")) { - /* The number of lines per page is not mentioned in the - terminal description. This probably means that paging is - not useful (e.g. emacs shell window), so disable paging. */ + /* The number of lines per page is not mentioned in the terminal + description or EMACS evironment variable is set. This probably + means that paging is not useful, so disable paging. */ lines_per_page = UINT_MAX; } |