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| author | Paul Eggert <eggert@cs.ucla.edu> | 2011-04-20 01:30:52 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2011-04-20 01:30:52 -0700 |
| commit | 37aa2f85254069b9344f620ab5cd306e4aa33271 (patch) | |
| tree | c64d3d3ae717be20b667d48c6eb710e5b2323fe9 /src/intervals.c | |
| parent | c20db43fef1bceb545b05bec2dbf18b1fbb2b533 (diff) | |
| download | emacs-37aa2f85254069b9344f620ab5cd306e4aa33271.tar.gz | |
* intervals.c (offset_intervals): Tell GCC not to worry about length overflow
when negating a negative length.
Diffstat (limited to 'src/intervals.c')
| -rw-r--r-- | src/intervals.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/intervals.c b/src/intervals.c index 8f3840976d0..e72bc146d16 100644 --- a/src/intervals.c +++ b/src/intervals.c @@ -39,6 +39,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ #include <config.h> #include <setjmp.h> +#include <intprops.h> #include "lisp.h" #include "intervals.h" #include "buffer.h" @@ -1435,7 +1436,10 @@ offset_intervals (struct buffer *buffer, EMACS_INT start, EMACS_INT length) if (length > 0) adjust_intervals_for_insertion (BUF_INTERVALS (buffer), start, length); else - adjust_intervals_for_deletion (buffer, start, -length); + { + IF_LINT (if (length < - TYPE_MAXIMUM (EMACS_INT)) abort ();) + adjust_intervals_for_deletion (buffer, start, -length); + } } /* Merge interval I with its lexicographic successor. The resulting |