diff options
Diffstat (limited to 'src/regex.h')
| -rw-r--r-- | src/regex.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/regex.h b/src/regex.h index b4aad6daac9..6974951f575 100644 --- a/src/regex.h +++ b/src/regex.h @@ -270,8 +270,10 @@ extern ptrdiff_t emacs_re_safe_alloca; #ifdef RE_DUP_MAX # undef RE_DUP_MAX #endif -/* If sizeof(int) == 2, then ((1 << 15) - 1) overflows. */ -#define RE_DUP_MAX (0x7fff) +/* Repeat counts are stored in opcodes as 2 byte integers. This was + previously limited to 7fff because the parsing code uses signed + ints. But Emacs only runs on 32 bit platforms anyway. */ +#define RE_DUP_MAX (0xffff) /* POSIX `cflags' bits (i.e., information for `regcomp'). */ @@ -337,7 +339,8 @@ typedef enum REG_EEND, /* Premature end. */ REG_ESIZE, /* Compiled pattern bigger than 2^16 bytes. */ REG_ERPAREN, /* Unmatched ) or \); not returned from regcomp. */ - REG_ERANGEX /* Range striding over charsets. */ + REG_ERANGEX, /* Range striding over charsets. */ + REG_ESIZEBR /* n or m too big in \{n,m\} */ } reg_errcode_t; /* This data structure represents a compiled pattern. Before calling |