diff options
Diffstat (limited to 'grep.c')
| -rw-r--r-- | grep.c | 35 |
1 files changed, 29 insertions, 6 deletions
@@ -1446,9 +1446,17 @@ 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; @@ -1593,8 +1601,24 @@ 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, @@ -1782,7 +1806,7 @@ 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)) @@ -1791,15 +1815,14 @@ static int grep_source_load_file(struct grep_source *gs) i = open(filename, O_RDONLY); if (i < 0) goto err_ret; - data = xmalloc(size + 1); + 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; } close(i); - data[size] = 0; gs->buf = data; gs->size = size; |