Commit 05aa6d4a authored by Paul Eggert's avatar Paul Eggert

Fix off-by-1 bug in --enable-checking=stringbytes

Evidently nobody builds Emacs with --enable-checking=all,
which is no surprise as it is so slow as to be unusable nowadays.
Perhaps we should remove the slowest checks, or move them into
another category, or speed them up, or something.
* src/alloc.c (SDATA_SIZE) [GC_CHECK_STRING_BYTES]: Fix off-by-one
error in size calculation, which caused a failure when
--enable-checking=stringbytes was used.  I introduced this bug in
2016-09-08T01:08:45! "Port flexible array
members to GCC + valgrind".
parent 096f638d
......@@ -1760,7 +1760,7 @@ static char const string_overrun_cookie[GC_STRING_OVERRUN_COOKIE_SIZE] =
#define SDATA_SIZE(NBYTES) FLEXSIZEOF (struct sdata, data, NBYTES)
#define SDATA_SIZE(NBYTES) FLEXSIZEOF (struct sdata, data, (NBYTES) + 1)
#else /* not GC_CHECK_STRING_BYTES */
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