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* src/gdb/utils.c (init_page_info): Only call tgetnum function

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if rl_get_screen_size did not return useful values.
This commit is contained in:
Pierre Muller 2013-08-13 08:31:20 +00:00
parent 859e698207
commit 1a66331ea1
2 changed files with 14 additions and 5 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2013-08-13 Pierre Muller <muller@sourceware.org>
* src/gdb/utils.c (init_page_info): Only call tgetnum function
if rl_get_screen_size did not return useful values.
2013-08-12 Ali Anwar <ali_anwar@codesourcery.com>
PR breakpoints/15117

14
gdb/utils.c
View File

@ -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;
}