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authorIvy Foster <ivy.foster@gmail.com>2016-07-08 22:11:25 -0500
committerAllan McRae <allan@archlinux.org>2016-08-30 18:10:40 +1000
commit58140dba7440997e9d318fb56ed939a9c81fddf8 (patch)
tree5e2633a6c63cf56711e381602f6fae2dfdc775d9 /src
parent56de155296a57fb3fcd8ae64aed00fd18fe2f22e (diff)
Normalize alpm download callback's frontend cb arguments
When curl calls alpm's dlcb, alpm calls the frontend's cb with the following (dlsize, totalsize) arguments: 0, -1: initialize 0, 0: no change since last call x {x>0, x<y}, y {y>0}: data downloaded, total size known x {x>0}, x: download finished If total size is not known, do not call frontend cb (no change to original behavior); alpm's callback shouldn't be called if there is a download error. See agregory's original spec here: https://wiki.archlinux.org/index.php/User:Apg#download_callback Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'src')
-rw-r--r--src/pacman/callback.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/pacman/callback.c b/src/pacman/callback.c
index ab3e14f2..7f72b84f 100644
--- a/src/pacman/callback.c
+++ b/src/pacman/callback.c
@@ -678,8 +678,13 @@ void cb_dl_progress(const char *filename, off_t file_xfered, off_t file_total)
const unsigned short cols = getcols();
- if(config->noprogressbar || cols == 0 || file_total == -1) {
- if(file_xfered == 0) {
+ /* Nothing has changed since last callback; stop here */
+ if(file_xfered == 0 && file_total == 0) {
+ return;
+ }
+
+ if(config->noprogressbar || cols == 0) {
+ if(file_xfered == 0 && file_total == -1) {
printf(_("downloading %s...\n"), filename);
fflush(stdout);
}
@@ -710,14 +715,9 @@ void cb_dl_progress(const char *filename, off_t file_xfered, off_t file_total)
total = file_total;
}
- /* bogus values : stop here */
- if(xfered > total || xfered < 0) {
- return;
- }
-
/* this is basically a switch on xfered: 0, total, and
* anything else */
- if(file_xfered == 0) {
+ if(file_xfered == 0 && file_total == -1) {
/* set default starting values, ensure we only call this once
* if TotalDownload is enabled */
if(!totaldownload || (totaldownload && list_xfered == 0)) {
@@ -726,6 +726,9 @@ void cb_dl_progress(const char *filename, off_t file_xfered, off_t file_total)
rate_last = 0.0;
get_update_timediff(1);
}
+ } else if(xfered > total || xfered < 0) {
+ /* bogus values : stop here */
+ return;
} else if(file_xfered == file_total) {
/* compute final values */
int64_t timediff = get_time_ms() - initial_time;