From d1f3d2afe1057a99b9dec6d1bd5b57bfee81fdff Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sun, 5 Jun 2011 23:16:12 -0700 Subject: Check for buffer and string overflow more precisely. * buffer.h (BUF_BYTES_MAX): New macro. * lisp.h (STRING_BYTES_MAX): New macro. * alloc.c (Fmake_string): * character.c (string_escape_byte8): * coding.c (coding_alloc_by_realloc): * doprnt.c (doprnt): * editfns.c (Fformat): * eval.c (verror): Use STRING_BYTES_MAX, not MOST_POSITIVE_FIXNUM, since they may not be the same number. * editfns.c (Finsert_char): * fileio.c (Finsert_file_contents): Likewise for BUF_BYTES_MAX. --- src/ChangeLog | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src/ChangeLog') diff --git a/src/ChangeLog b/src/ChangeLog index 7fb1479e548..bf81533460a 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,5 +1,20 @@ 2011-06-06 Paul Eggert + Check for buffer and string overflow more precisely. + * buffer.h (BUF_BYTES_MAX): New macro. + * lisp.h (STRING_BYTES_MAX): New macro. + * alloc.c (Fmake_string): + * character.c (string_escape_byte8): + * coding.c (coding_alloc_by_realloc): + * doprnt.c (doprnt): + * editfns.c (Fformat): + * eval.c (verror): + Use STRING_BYTES_MAX, not MOST_POSITIVE_FIXNUM, + since they may not be the same number. + * editfns.c (Finsert_char): + * fileio.c (Finsert_file_contents): + Likewise for BUF_BYTES_MAX. + * image.c: Use ptrdiff_t, not int, for sizes. (slurp_file): Switch from int to ptrdiff_t. All uses changed. -- cgit v1.2.1