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[Emacs-diffs] master 7515a1d: * src/alloc.c (VECTOR_ELTS_MAX): Make sur
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] master 7515a1d: * src/alloc.c (VECTOR_ELTS_MAX): Make sure it’s signed. |
Date: |
Sun, 9 Dec 2018 02:00:24 -0500 (EST) |
branch: master
commit 7515a1d493f8f0f6f009b50c99cc5e27824bd6b3
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
* src/alloc.c (VECTOR_ELTS_MAX): Make sure it’s signed.
---
src/alloc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/alloc.c b/src/alloc.c
index d34b34f..201e3f0 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -3340,9 +3340,10 @@ sweep_vectors (void)
can be used in an integer constant expression. */
#define VECTOR_ELTS_MAX \
- min (((min (PTRDIFF_MAX, SIZE_MAX) - header_size - large_vector_offset) \
- / word_size), \
- MOST_POSITIVE_FIXNUM)
+ ((ptrdiff_t) \
+ min (((min (PTRDIFF_MAX, SIZE_MAX) - header_size - large_vector_offset) \
+ / word_size), \
+ MOST_POSITIVE_FIXNUM))
/* Value is a pointer to a newly allocated Lisp_Vector structure
with room for LEN Lisp_Objects. LEN must be positive and
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