refactor userdiff textconv code

diff --git a/progress.c b/progress.c
index 4bd650f9ba496786029791bc8a0a40b611bdeb63..55a8687ad15788f8ea5a5beb463d216908f618b2 100644 (file)
--- a/progress.c
+++ b/progress.c
@@ -98,11 +98,13 @@ static int display(struct progress *progress, unsigned n, const char *done)
                        fprintf(stderr, "%s: %3u%% (%u/%u)%s%s",
                                progress->title, percent, n,
                                progress->total, tp, eol);
+                       fflush(stderr);
                        progress_update = 0;
                        return 1;
                }
        } else if (progress_update) {
                fprintf(stderr, "%s: %u%s%s", progress->title, n, tp, eol);
+               fflush(stderr);
                progress_update = 0;
                return 1;
        }
@@ -207,6 +209,7 @@ struct progress *start_progress_delay(const char *title, unsigned total,
        if (!progress) {
                /* unlikely, but here's a good fallback */
                fprintf(stderr, "%s...\n", title);
+               fflush(stderr);
                return NULL;
        }
        progress->title = title;
@@ -238,16 +241,21 @@ void stop_progress_msg(struct progress **p_progress, const char *msg)
        *p_progress = NULL;
        if (progress->last_value != -1) {
                /* Force the last update */
-               char buf[strlen(msg) + 5];
+               char buf[128], *bufp;
+               size_t len = strlen(msg) + 5;
                struct throughput *tp = progress->throughput;
+
+               bufp = (len < sizeof(buf)) ? buf : xmalloc(len + 1);
                if (tp) {
                        unsigned int rate = !tp->avg_misecs ? 0 :
                                        tp->avg_bytes / tp->avg_misecs;
                        throughput_string(tp, tp->curr_total, rate);
                }
                progress_update = 1;
-               sprintf(buf, ", %s.\n", msg);
-               display(progress, progress->last_value, buf);
+               sprintf(bufp, ", %s.\n", msg);
+               display(progress, progress->last_value, bufp);
+               if (buf != bufp)
+                       free(bufp);
        }
        clear_progress_signal();
        free(progress->throughput);