Package: libncurses5
Version: 5.8-1
Severity: important
The API for newwin() is documented as:
Calling newwin creates and returns a pointer to a new window with the
given number of lines and columns. The upper left-hand corner of the window
is at line begin_y, column begin_x. If either nlines or ncols is zero,
they default to LINES - begin_y and COLS - begin_x. A new full-screen win‐
dow is created by calling newwin(0,0,0,0).
But starting with ncurses 5.8, ncurses/base/lib_newwin.c has the following code
on line 144:
if (begy < 0 || begx < 0 || num_lines <= 0 || num_columns <= 0)
returnWin(0);
This causes a call of newwin(0,0,0,0) to return an error.
Previous versions of ncurses contained this instead which permitted the all
zeroes call:
if (begy < 0 || begx < 0 || num_lines < 0 || num_columns < 0)
returnWin(0);
Now to go file some bugs against programs which aren't checking return codes
properly...
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.37-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libncurses5 depends on:
ii libc6 2.11.2-13 Embedded GNU C Library: Shared lib
Versions of packages libncurses5 recommends:
ii libgpm2 1.20.4-3.3 General Purpose Mouse - shared lib
libncurses5 suggests no packages.
-- no debconf information
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