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-rw-r--r--merge-recursive.c75
1 files changed, 35 insertions, 40 deletions
diff --git a/merge-recursive.c b/merge-recursive.c
index 14b56c2f2..86767e6e8 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -85,63 +85,58 @@ struct stage_data
unsigned processed:1;
};
-struct output_buffer
-{
- struct output_buffer *next;
- char *str;
-};
-
static struct path_list current_file_set = {NULL, 0, 0, 1};
static struct path_list current_directory_set = {NULL, 0, 0, 1};
static int call_depth = 0;
static int verbosity = 2;
static int buffer_output = 1;
-static struct output_buffer *output_list, *output_end;
+static struct strbuf obuf = STRBUF_INIT;
-static int show (int v)
+static int show(int v)
{
return (!call_depth && verbosity >= v) || verbosity >= 5;
}
-static void output(int v, const char *fmt, ...)
+static void flush_output(void)
{
- va_list args;
- va_start(args, fmt);
- if (buffer_output && show(v)) {
- struct output_buffer *b = xmalloc(sizeof(*b));
- nfvasprintf(&b->str, fmt, args);
- b->next = NULL;
- if (output_end)
- output_end->next = b;
- else
- output_list = b;
- output_end = b;
- } else if (show(v)) {
- int i;
- for (i = call_depth; i--;)
- fputs(" ", stdout);
- vfprintf(stdout, fmt, args);
- fputc('\n', stdout);
+ if (obuf.len) {
+ fputs(obuf.buf, stdout);
+ strbuf_reset(&obuf);
}
- va_end(args);
}
-static void flush_output(void)
+static void output(int v, const char *fmt, ...)
{
- struct output_buffer *b, *n;
- for (b = output_list; b; b = n) {
- int i;
- for (i = call_depth; i--;)
- fputs(" ", stdout);
- fputs(b->str, stdout);
- fputc('\n', stdout);
- n = b->next;
- free(b->str);
- free(b);
+ int len;
+ va_list ap;
+
+ if (!show(v))
+ return;
+
+ strbuf_grow(&obuf, call_depth * 2 + 2);
+ memset(obuf.buf + obuf.len, ' ', call_depth * 2);
+ strbuf_setlen(&obuf, obuf.len + call_depth * 2);
+
+ va_start(ap, fmt);
+ len = vsnprintf(obuf.buf + obuf.len, strbuf_avail(&obuf), fmt, ap);
+ va_end(ap);
+
+ if (len < 0)
+ len = 0;
+ if (len >= strbuf_avail(&obuf)) {
+ strbuf_grow(&obuf, len + 2);
+ va_start(ap, fmt);
+ len = vsnprintf(obuf.buf + obuf.len, strbuf_avail(&obuf), fmt, ap);
+ va_end(ap);
+ if (len >= strbuf_avail(&obuf)) {
+ die("this should not happen, your snprintf is broken");
+ }
}
- output_list = NULL;
- output_end = NULL;
+ strbuf_setlen(&obuf, obuf.len + len);
+ strbuf_add(&obuf, "\n", 1);
+ if (!buffer_output)
+ flush_output();
}
static void output_commit_title(struct commit *commit)