regex: use regexec_buf()

diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 7715c13ec4780a755ec2a6552c0aec9994691087..8413d76582c2b10a710f57dc3bda212e8fc7b91f 100644 (file)
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -21,7 +21,6 @@ static void diffgrep_consume(void *priv, char *line, unsigned long len)
 {
        struct diffgrep_cb *data = priv;
        regmatch_t regmatch;
-       int hold;
 
        if (line[0] != '+' && line[0] != '-')
                return;
@@ -31,11 +30,8 @@ static void diffgrep_consume(void *priv, char *line, unsigned long len)
                 * caller early.
                 */
                return;
-       /* Yuck -- line ought to be "const char *"! */
-       hold = line[len];
-       line[len] = '\0';
-       data->hit = !regexec(data->regexp, line + 1, 1, &regmatch, 0);
-       line[len] = hold;
+       data->hit = !regexec_buf(data->regexp, line + 1, len - 1, 1,
+                                &regmatch, 0);
 }
 
 static int diff_grep(mmfile_t *one, mmfile_t *two,
@@ -48,9 +44,11 @@ static int diff_grep(mmfile_t *one, mmfile_t *two,
        xdemitconf_t xecfg;
 
        if (!one)
-               return !regexec(regexp, two->ptr, 1, &regmatch, 0);
+               return !regexec_buf(regexp, two->ptr, two->size,
+                                   1, &regmatch, 0);
        if (!two)
-               return !regexec(regexp, one->ptr, 1, &regmatch, 0);
+               return !regexec_buf(regexp, one->ptr, one->size,
+                                   1, &regmatch, 0);
 
        /*
         * We have both sides; need to run textual diff and see if
@@ -81,8 +79,8 @@ static unsigned int contains(mmfile_t *mf, regex_t *regexp, kwset_t kws)
                regmatch_t regmatch;
                int flags = 0;
 
-               assert(data[sz] == '\0');
-               while (*data && !regexec(regexp, data, 1, &regmatch, flags)) {
+               while (*data &&
+                      !regexec_buf(regexp, data, sz, 1, &regmatch, flags)) {
                        flags |= REG_NOTBOL;
                        data += regmatch.rm_eo;
                        if (*data && regmatch.rm_so == regmatch.rm_eo)