diff options
Diffstat (limited to 'src/regex-emacs.c')
-rw-r--r-- | src/regex-emacs.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/src/regex-emacs.c b/src/regex-emacs.c index 694431c95e2..0ae004e4636 100644 --- a/src/regex-emacs.c +++ b/src/regex-emacs.c @@ -2113,17 +2113,20 @@ regex_compile (re_char *pattern, ptrdiff_t size, if (CHAR_BYTE8_P (c1)) c = BYTE8_TO_CHAR (128); } - if (CHAR_BYTE8_P (c)) - { - c = CHAR_TO_BYTE8 (c); - c1 = CHAR_TO_BYTE8 (c1); - for (; c <= c1; c++) - SET_LIST_BIT (c); - } - else if (multibyte) - SETUP_MULTIBYTE_RANGE (range_table_work, c, c1); - else - SETUP_UNIBYTE_RANGE (range_table_work, c, c1); + if (c <= c1) + { + if (CHAR_BYTE8_P (c)) + { + c = CHAR_TO_BYTE8 (c); + c1 = CHAR_TO_BYTE8 (c1); + for (; c <= c1; c++) + SET_LIST_BIT (c); + } + else if (multibyte) + SETUP_MULTIBYTE_RANGE (range_table_work, c, c1); + else + SETUP_UNIBYTE_RANGE (range_table_work, c, c1); + } } } |