regex: use regexec_buf()

diff --git a/diff.c b/diff.c
index a70ec6ef1a613a63482b0f7cf8d997af685793d9..f77324e9e020bcc75d008f0d8e607646b2b185c8 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -941,7 +941,8 @@ static int find_word_boundaries(mmfile_t *buffer, regex_t *word_regex,
 {
        if (word_regex && *begin < buffer->size) {
                regmatch_t match[1];
-               if (!regexec(word_regex, buffer->ptr + *begin, 1, match, 0)) {
+               if (!regexec_buf(word_regex, buffer->ptr + *begin,
+                                buffer->size - *begin, 1, match, 0)) {
                        char *p = memchr(buffer->ptr + *begin + match[0].rm_so,
                                        '\n', match[0].rm_eo - match[0].rm_so);
                        *end = p ? p - buffer->ptr : match[0].rm_eo + *begin;
@@ -5082,7 +5083,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
 {
        size_t size;
 
-       if (!driver || !driver->textconv) {
+       if (!driver) {
                if (!DIFF_FILE_VALID(df)) {
                        *outbuf = "";
                        return 0;
@@ -5093,6 +5094,9 @@ size_t fill_textconv(struct userdiff_driver *driver,
                return df->size;
        }
 
+       if (!driver->textconv)
+               die("BUG: fill_textconv called with non-textconv driver");
+
        if (driver->textconv_cache && df->sha1_valid) {
                *outbuf = notes_cache_get(driver->textconv_cache, df->sha1,
                                          &size);