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* alloc.c (allocate_string_data) [GC_CHECK_STRING_OVERRUN]: Fix typo that

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can cause Emacs to crash when string overrun checking is enabled.
This commit is contained in:
Paul Eggert 2011-04-17 21:16:47 -07:00
parent bfd1c7811d
commit 000098c135
2 changed files with 4 additions and 1 deletions
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2
src/ChangeLog
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@ -4,6 +4,8 @@
This doesn't fix a bug but makes the code clearer.
(string_overrun_cookie): Now const. Use initializers that
don't formally overflow signed char, to avoid warnings.
(allocate_string_data) [GC_CHECK_STRING_OVERRUN]: Fix typo that
can cause Emacs to crash when string overrun checking is enabled.
2011-04-17 Chong Yidong <cyd@stupidchicken.com>

3
src/alloc.c
View File

@ -1937,7 +1937,8 @@ allocate_string_data (struct Lisp_String *s,
s->size_byte = nbytes;
s->data[nbytes] = '\0';
#ifdef GC_CHECK_STRING_OVERRUN
memcpy (data + needed, string_overrun_cookie, GC_STRING_OVERRUN_COOKIE_SIZE);
memcpy ((char *) data + needed, string_overrun_cookie,
GC_STRING_OVERRUN_COOKIE_SIZE);
#endif
/* If S had already data assigned, mark that as free by setting its