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authorTobias Klauser <tklauser@distanz.ch>2016-01-14 17:57:54 +0100
committerJunio C Hamano <gitster@pobox.com>2016-01-14 12:22:10 -0800
commitd0d2344ad84cde7fddedc1e141296607af673454 (patch)
tree4390742853d2204cf49c4ab23a4d5027ab906935 /trailer.c
parent754884255bb580df159e58defa81cdd30b5c430c (diff)
downloadgit-d0d2344ad84cde7fddedc1e141296607af673454.tar.gz
trailer: allow to write to files other than stdout
Use fprintf instead of printf in trailer.c in order to allow printing to a file other than stdout. This will be needed to support in-place editing in git interpret-trailers. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'trailer.c')
-rw-r--r--trailer.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/trailer.c b/trailer.c
index 6f3416feba..176fac2134 100644
--- a/trailer.c
+++ b/trailer.c
@@ -108,23 +108,23 @@ static char last_non_space_char(const char *s)
return '\0';
}
-static void print_tok_val(const char *tok, const char *val)
+static void print_tok_val(FILE *outfile, const char *tok, const char *val)
{
char c = last_non_space_char(tok);
if (!c)
return;
if (strchr(separators, c))
- printf("%s%s\n", tok, val);
+ fprintf(outfile, "%s%s\n", tok, val);
else
- printf("%s%c %s\n", tok, separators[0], val);
+ fprintf(outfile, "%s%c %s\n", tok, separators[0], val);
}
-static void print_all(struct trailer_item *first, int trim_empty)
+static void print_all(FILE *outfile, struct trailer_item *first, int trim_empty)
{
struct trailer_item *item;
for (item = first; item; item = item->next) {
if (!trim_empty || strlen(item->value) > 0)
- print_tok_val(item->token, item->value);
+ print_tok_val(outfile, item->token, item->value);
}
}
@@ -795,14 +795,15 @@ static int has_blank_line_before(struct strbuf **lines, int start)
return 0;
}
-static void print_lines(struct strbuf **lines, int start, int end)
+static void print_lines(FILE *outfile, struct strbuf **lines, int start, int end)
{
int i;
for (i = start; lines[i] && i < end; i++)
- printf("%s", lines[i]->buf);
+ fprintf(outfile, "%s", lines[i]->buf);
}
-static int process_input_file(struct strbuf **lines,
+static int process_input_file(FILE *outfile,
+ struct strbuf **lines,
struct trailer_item **in_tok_first,
struct trailer_item **in_tok_last)
{
@@ -818,10 +819,10 @@ static int process_input_file(struct strbuf **lines,
trailer_start = find_trailer_start(lines, trailer_end);
/* Print lines before the trailers as is */
- print_lines(lines, 0, trailer_start);
+ print_lines(outfile, lines, 0, trailer_start);
if (!has_blank_line_before(lines, trailer_start - 1))
- printf("\n");
+ fprintf(outfile, "\n");
/* Parse trailer lines */
for (i = trailer_start; i < trailer_end; i++) {
@@ -849,6 +850,7 @@ void process_trailers(const char *file, int trim_empty, struct string_list *trai
struct trailer_item *arg_tok_first;
struct strbuf **lines;
int trailer_end;
+ FILE *outfile = stdout;
/* Default config must be setup first */
git_config(git_trailer_default_config, NULL);
@@ -857,18 +859,18 @@ void process_trailers(const char *file, int trim_empty, struct string_list *trai
lines = read_input_file(file);
/* Print the lines before the trailers */
- trailer_end = process_input_file(lines, &in_tok_first, &in_tok_last);
+ trailer_end = process_input_file(outfile, lines, &in_tok_first, &in_tok_last);
arg_tok_first = process_command_line_args(trailers);
process_trailers_lists(&in_tok_first, &in_tok_last, &arg_tok_first);
- print_all(in_tok_first, trim_empty);
+ print_all(outfile, in_tok_first, trim_empty);
free_all(&in_tok_first);
/* Print the lines after the trailers as is */
- print_lines(lines, trailer_end, INT_MAX);
+ print_lines(outfile, lines, trailer_end, INT_MAX);
strbuf_list_free(lines);
}