[PATCH] Implement run_command_to_buf (spawn a process and reads its stdout)
---
diff.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/diff.c b/diff.c
index 1c8dd19..6917981 100644
--- a/diff.c
+++ b/diff.c
@@ -260,6 +260,10 @@ static struct diff_tempfile {
char tmp_path[PATH_MAX];
} diff_temp[2];
+/* Forward declarations */
+static int run_command_to_buf(const char **argv, char **buf, size_t * size);
+/* End forward declarations */
+
static int count_lines(const char *data, int size)
{
int count, ch, completely_empty = 1, nl_just_seen = 0;
@@ -1487,6 +1491,26 @@ void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const
options->b_prefix = b;
}
+static int run_command_to_buf(const char **argv, char **buf, size_t * size)
+{
+ struct child_process cmd;
+ struct strbuf buffer = STRBUF_INIT;
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.argv = argv;
+ cmd.out = -1;
+
+ if (start_command(&cmd))
+ return -1;
+ strbuf_read(&buffer, cmd.out, 1024);
+ close(cmd.out);
+
+ if (finish_command(&cmd))
+ return -1;
+
+ *buf = strbuf_detach(&buffer, size);
+ return 0;
+}
+
static void builtin_diff(const char *name_a,
const char *name_b,
struct diff_filespec *one,
--
1.6.0.2.312.g1ef81a
Matthieu Moy <matthieu.moy@imag.fr>