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progress: make display_progress() return void

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Ever since the progress infrastructure was introduced in 96a02f8f6d
(common progress display support, 2007-04-18), display_progress() has
returned an int, telling callers whether it updated the progress bar
or not.  However, this is:

  - useless, because over the last dozen years there has never been a
    single caller that cared about that return value.

  - not quite true, because it doesn't print a progress bar when
    running in the background, yet it returns 1; see 85cb8906f0
    (progress: no progress in background, 2015-04-13).

The related display_throughput() function returned void already upon
its introduction in cf84d51c43 (add throughput to progress display,
2007-10-30).

Let's make display_progress() return void, too.  While doing so
several return statements in display() become unnecessary, remove
them.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
SZEDER Gábor 2019-04-05 02:45:36 +02:00 committed by Junio C Hamano
parent aeb582a983
commit 9219d12777
2 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
progress.c
View File

@ -78,12 +78,12 @@ static int is_foreground_fd(int fd)
return tpgrp < 0 || tpgrp == getpgid(0);
}
static int display(struct progress *progress, uint64_t n, const char *done)
static void display(struct progress *progress, uint64_t n, const char *done)
{
const char *eol, *tp;
if (progress->delay && (!progress_update || --progress->delay))
return 0;
return;
progress->last_value = n;
tp = (progress->throughput) ? progress->throughput->display.buf : "";
@ -100,7 +100,6 @@ static int display(struct progress *progress, uint64_t n, const char *done)
fflush(stderr);
}
progress_update = 0;
return 1;
}
} else if (progress_update) {
if (is_foreground_fd(fileno(stderr)) || done) {
@ -109,10 +108,7 @@ static int display(struct progress *progress, uint64_t n, const char *done)
fflush(stderr);
}
progress_update = 0;
return 1;
}
return 0;
}
static void throughput_string(struct strbuf *buf, uint64_t total,
@ -188,9 +184,10 @@ void display_throughput(struct progress *progress, uint64_t total)
display(progress, progress->last_value, NULL);
}
int display_progress(struct progress *progress, uint64_t n)
void display_progress(struct progress *progress, uint64_t n)
{
return progress ? display(progress, n, NULL) : 0;
if (progress)
display(progress, n, NULL);
}
static struct progress *start_progress_delay(const char *title, uint64_t total,

2
progress.h
View File

@ -4,7 +4,7 @@
struct progress;
void display_throughput(struct progress *progress, uint64_t total);
int display_progress(struct progress *progress, uint64_t n);
void display_progress(struct progress *progress, uint64_t n);
struct progress *start_progress(const char *title, uint64_t total);
struct progress *start_delayed_progress(const char *title, uint64_t total);
void stop_progress(struct progress **progress);