shortlog: support outputting to streams other than stdout

diff --git a/line-log.c b/line-log.c
index bbe31ed6fbb7c103c739f7e9a3c45cde5d36fcec..e62a7f4ac4102556cc49bbec76b9a0e737efea77 100644 (file)
--- a/line-log.c
+++ b/line-log.c
@@ -841,7 +841,7 @@ static char *get_nth_line(long line, unsigned long *ends, void *data)
 
 static void print_line(const char *prefix, char first,
                       long line, unsigned long *ends, void *data,
-                      const char *color, const char *reset)
+                      const char *color, const char *reset, FILE *file)
 {
        char *begin = get_nth_line(line, ends, data);
        char *end = get_nth_line(line+1, ends, data);
@@ -852,14 +852,14 @@ static void print_line(const char *prefix, char first,
                had_nl = 1;
        }
 
-       fputs(prefix, stdout);
-       fputs(color, stdout);
-       putchar(first);
-       fwrite(begin, 1, end-begin, stdout);
-       fputs(reset, stdout);
-       putchar('\n');
+       fputs(prefix, file);
+       fputs(color, file);
+       putc(first, file);
+       fwrite(begin, 1, end-begin, file);
+       fputs(reset, file);
+       putc('\n', file);
        if (!had_nl)
-               fputs("\\ No newline at end of file\n", stdout);
+               fputs("\\ No newline at end of file\n", file);
 }
 
 static char *output_prefix(struct diff_options *opt)
@@ -898,12 +898,12 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
                fill_line_ends(pair->one, &p_lines, &p_ends);
        fill_line_ends(pair->two, &t_lines, &t_ends);
 
-       printf("%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
-       printf("%s%s--- %s%s%s\n", prefix, c_meta,
+       fprintf(opt->file, "%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
+       fprintf(opt->file, "%s%s--- %s%s%s\n", prefix, c_meta,
               pair->one->sha1_valid ? "a/" : "",
               pair->one->sha1_valid ? pair->one->path : "/dev/null",
               c_reset);
-       printf("%s%s+++ b/%s%s\n", prefix, c_meta, pair->two->path, c_reset);
+       fprintf(opt->file, "%s%s+++ b/%s%s\n", prefix, c_meta, pair->two->path, c_reset);
        for (i = 0; i < range->ranges.nr; i++) {
                long p_start, p_end;
                long t_start = range->ranges.ranges[i].start;
@@ -945,7 +945,7 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
                }
 
                /* Now output a diff hunk for this range */
-               printf("%s%s@@ -%ld,%ld +%ld,%ld @@%s\n",
+               fprintf(opt->file, "%s%s@@ -%ld,%ld +%ld,%ld @@%s\n",
                       prefix, c_frag,
                       p_start+1, p_end-p_start, t_start+1, t_end-t_start,
                       c_reset);
@@ -953,18 +953,18 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
                        int k;
                        for (; t_cur < diff->target.ranges[j].start; t_cur++)
                                print_line(prefix, ' ', t_cur, t_ends, pair->two->data,
-                                          c_context, c_reset);
+                                          c_context, c_reset, opt->file);
                        for (k = diff->parent.ranges[j].start; k < diff->parent.ranges[j].end; k++)
                                print_line(prefix, '-', k, p_ends, pair->one->data,
-                                          c_old, c_reset);
+                                          c_old, c_reset, opt->file);
                        for (; t_cur < diff->target.ranges[j].end && t_cur < t_end; t_cur++)
                                print_line(prefix, '+', t_cur, t_ends, pair->two->data,
-                                          c_new, c_reset);
+                                          c_new, c_reset, opt->file);
                        j++;
                }
                for (; t_cur < t_end; t_cur++)
                        print_line(prefix, ' ', t_cur, t_ends, pair->two->data,
-                                  c_context, c_reset);
+                                  c_context, c_reset, opt->file);
        }
 
        free(p_ends);
@@ -977,7 +977,7 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
  */
 static void dump_diff_hacky(struct rev_info *rev, struct line_log_data *range)
 {
-       puts(output_prefix(&rev->diffopt));
+       fprintf(rev->diffopt.file, "%s\n", output_prefix(&rev->diffopt));
        while (range) {
                dump_diff_hacky_one(rev, range);
                range = range->next;