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Preventing valid pointers from getting truncated and rejected.

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Patch by Mike Frysinger, tweaked by Benno.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5508 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Benno Schulenberg 2015-12-23 14:05:47 +00:00
parent 277f58f8d8
commit 1bebe34b56
2 changed files with 10 additions and 4 deletions
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3
ChangeLog
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@ -4,6 +4,9 @@
* src/files.c (save_history, save_poshistory): Don't make the user * src/files.c (save_history, save_poshistory): Don't make the user
hit Enter when there's an error saving history state at exit; it is hit Enter when there's an error saving history state at exit; it is
pointless and annoying. Just notify the user and move on. pointless and annoying. Just notify the user and move on.
* src/nano.c (main): On most 64-bit systems, casting a pointer to
an integer can cause valid pointers to be truncated and rejected.
Rework the code to test for the two invalid values directly.
2015-12-23 Christian Weisgerber <naddy@mips.inka.de> 2015-12-23 Christian Weisgerber <naddy@mips.inka.de>
* configure.ac: AC_CHECK_HEADERS_ONCE() is very special and cannot be * configure.ac: AC_CHECK_HEADERS_ONCE() is very special and cannot be

11
src/nano.c
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@ -2574,11 +2574,14 @@ int main(int argc, char **argv)
#endif #endif
#if !defined(NANO_TINY) && defined(HAVE_KEY_DEFINED) #if !defined(NANO_TINY) && defined(HAVE_KEY_DEFINED)
const char *keyvalue;
/* Ask ncurses for the key codes for Control+Left and Control+Right. */ /* Ask ncurses for the key codes for Control+Left and Control+Right. */
if ((int)tigetstr("kLFT5") > 0) keyvalue = tigetstr("kLFT5");
controlleft = key_defined(tigetstr("kLFT5")); if (keyvalue != 0 && keyvalue != (char *)-1)
if ((int)tigetstr("kRIT5") > 0) controlleft = key_defined(keyvalue);
controlright = key_defined(tigetstr("kRIT5")); keyvalue = tigetstr("kRIT5");
if (keyvalue != 0 && keyvalue != (char *)-1)
controlright = key_defined(keyvalue);
#endif #endif
#ifdef DEBUG #ifdef DEBUG