From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 13 Jan 2019 22:34:01 +0000 (-0800)
Subject: Minor overflow fix in translate-region-internal
X-Git-Tag: emacs-27.0.90~3830
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=800d3815e4a82f83b98cf87b205dcfdb0670907f;p=emacs.git

Minor overflow fix in translate-region-internal

* src/editfns.c (Ftranslate_region_internal):
Use ptrdiff_t, not int, for a count that might exceed INT_MAX.
---

diff --git a/src/editfns.c b/src/editfns.c
index 028fec8d092..c6ad4c0547e 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -2437,7 +2437,7 @@ It returns the number of characters changed.  */)
 {
   register unsigned char *tt;	/* Trans table. */
   register int nc;		/* New character. */
-  int cnt;			/* Number of changes made. */
+  ptrdiff_t cnt;		/* Number of changes made. */
   ptrdiff_t size;		/* Size of translate table. */
   ptrdiff_t pos, pos_byte, end_pos;
   bool multibyte = !NILP (BVAR (current_buffer, enable_multibyte_characters));