Merge branch 'jc/deref-tag' into maint

diff --git a/grep.c b/grep.c
index 528b652f713d2b6db5f48e3829448212cc3837bf..1e15b6292d768e9daf5c5e84f9346577abdf3939 100644 (file)
--- a/grep.c
+++ b/grep.c
@@ -1396,9 +1396,17 @@ static int fill_textconv_grep(struct userdiff_driver *driver,
        return 0;
 }
 
+static int is_empty_line(const char *bol, const char *eol)
+{
+       while (bol < eol && isspace(*bol))
+               bol++;
+       return bol == eol;
+}
+
 static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int collect_hits)
 {
        char *bol;
+       char *peek_bol = NULL;
        unsigned long left;
        unsigned lno = 1;
        unsigned last_hit = 0;
@@ -1543,8 +1551,24 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
                                show_function = 1;
                        goto next_line;
                }
-               if (show_function && match_funcname(opt, gs, bol, eol))
-                       show_function = 0;
+               if (show_function && (!peek_bol || peek_bol < bol)) {
+                       unsigned long peek_left = left;
+                       char *peek_eol = eol;
+
+                       /*
+                        * Trailing empty lines are not interesting.
+                        * Peek past them to see if they belong to the
+                        * body of the current function.
+                        */
+                       peek_bol = bol;
+                       while (is_empty_line(peek_bol, peek_eol)) {
+                               peek_bol = peek_eol + 1;
+                               peek_eol = end_of_line(peek_bol, &peek_left);
+                       }
+
+                       if (match_funcname(opt, gs, peek_bol, peek_eol))
+                               show_function = 0;
+               }
                if (show_function ||
                    (last_hit && lno <= last_hit + opt->post_context)) {
                        /* If the last hit is within the post context,
@@ -1732,7 +1756,7 @@ static int grep_source_load_file(struct grep_source *gs)
        if (lstat(filename, &st) < 0) {
        err_ret:
                if (errno != ENOENT)
-                       error(_("'%s': %s"), filename, strerror(errno));
+                       error_errno(_("failed to stat '%s'"), filename);
                return -1;
        }
        if (!S_ISREG(st.st_mode))
@@ -1743,7 +1767,7 @@ static int grep_source_load_file(struct grep_source *gs)
                goto err_ret;
        data = xmallocz(size);
        if (st.st_size != read_in_full(i, data, size)) {
-               error(_("'%s': short read %s"), filename, strerror(errno));
+               error_errno(_("'%s': short read"), filename);
                close(i);
                free(data);
                return -1;