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author | Vibhav Pant <vibhavp@gmail.com> | 2017-01-19 18:35:46 +0530 |
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committer | Vibhav Pant <vibhavp@gmail.com> | 2017-01-19 18:35:46 +0530 |
commit | 522f16dac945eee351cefb066af40f0d1a683f38 (patch) | |
tree | c86d7297a1efcc341ccd266be66486129556cfc4 /src/bytecode.c | |
parent | 1fcbd352f8116aca1ecdb62e84f3d86b89bc446f (diff) | |
download | emacs-522f16dac945eee351cefb066af40f0d1a683f38.tar.gz |
Add type checking for Bswitch, when enabled at compile time.
* src/bytecode.c: (exec_byte_code) If BYTE_CODE_SAFE is enabled at
compile time, use CHECK_TYPE to verify that the jump table is a hash table.
Diffstat (limited to 'src/bytecode.c')
-rw-r--r-- | src/bytecode.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/bytecode.c b/src/bytecode.c index fc434a2812f..f4540e94c9c 100644 --- a/src/bytecode.c +++ b/src/bytecode.c @@ -1417,6 +1417,9 @@ exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, Lisp_Object maxdepth, { Lisp_Object jmp_table = POP; Lisp_Object v1 = POP; +#ifdef BYTE_CODE_SAFE + CHECK_TYPE (HASH_TABLE_P (jmp_table), Qhash_table_p, jmp_table); +#endif struct Lisp_Hash_Table *h = XHASH_TABLE(jmp_table); ptrdiff_t i = hash_lookup(h, v1, NULL); if (i >= 0) { |