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wget: print the final newline only for non-tty output

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$ busybox wget URL 2>&1 | cat
Connecting to ....
install.iso          0% |                                | 2629k  0:02:05 ETA
install.iso          7% |**                              | 25.7M  0:00:23 ETA
install.iso         16% |*****                           | 54.1M  0:00:14 ETA
install.iso         20% |******                          | 67.4M  0:00:15 ETA
install.iso         25% |********                        | 81.0M  0:00:14 ETA
install.iso         30% |*********                       | 97.3M  0:00:13 ETA
install.iso         36% |***********                     |  117M  0:00:12 ETA
install.iso         41% |*************                   |  134M  0:00:11 ETA
install.iso         47% |***************                 |  152M  0:00:10 ETA
install.iso         54% |*****************               |  176M  0:00:08 ETA
install.iso         61% |*******************             |  200M  0:00:06 ETA
install.iso         66% |*********************           |  215M  0:00:06 ETA
install.iso         71% |**********************          |  231M  0:00:05 ETA
install.iso         75% |************************        |  244M  0:00:04 ETA
install.iso         79% |*************************       |  257M  0:00:03 ETA
install.iso         84% |***************************     |  275M  0:00:02 ETA
install.iso         91% |*****************************   |  297M  0:00:01 ETA
install.iso         99% |******************************* |  321M  0:00:00 ETA
install.iso        100% |********************************|  323M  0:00:00 ETA
  <-- no empty line here
$

function                                             old     new   delta
bb_progress_update                                   622     632     +10
progress_meter                                       152     158      +6
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 16/0)               Total: 16 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-11-23 19:14:52 +01:00
parent fbf5e6363b
commit 26602b85a3
3 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/libbb.h
View File

@ -2007,7 +2007,7 @@ typedef struct bb_progress_t {
(p)->curfile = NULL; \
} while (0)
void bb_progress_init(bb_progress_t *p, const char *curfile) FAST_FUNC;
void bb_progress_update(bb_progress_t *p,
int bb_progress_update(bb_progress_t *p,
uoff_t beg_range,
uoff_t transferred,
uoff_t totalsize) FAST_FUNC;

5
libbb/progress.c
View File

@ -69,7 +69,7 @@ void FAST_FUNC bb_progress_init(bb_progress_t *p, const char *curfile)
* will be "totalsize" bytes.
* If totalsize == 0, then it is unknown.
*/
void FAST_FUNC bb_progress_update(bb_progress_t *p,
int FAST_FUNC bb_progress_update(bb_progress_t *p,
uoff_t beg_size,
uoff_t transferred,
uoff_t totalsize)
@ -94,7 +94,7 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
* Do not update on every call
* (we can be called on every network read!)
*/
return;
return -1;
}
/* Before we lose real, unscaled sizes, produce human-readable size string */
@ -211,4 +211,5 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
}
if (notty)
fputc('\n', stderr);
return notty;
}

7
networking/wget.c
View File

@ -283,13 +283,15 @@ enum {
#if ENABLE_FEATURE_WGET_STATUSBAR
static void progress_meter(int flag)
{
int notty;
if (option_mask32 & WGET_OPT_QUIET)
return;
if (flag == PROGRESS_START)
bb_progress_init(&G.pmt, G.curfile);
bb_progress_update(&G.pmt,
notty = bb_progress_update(&G.pmt,
G.beg_range,
G.transferred,
(G.chunked || !G.got_clen) ? 0 : G.beg_range + G.transferred + G.content_len
@ -297,7 +299,8 @@ static void progress_meter(int flag)
if (flag == PROGRESS_END) {
bb_progress_free(&G.pmt);
bb_putchar_stderr('\n');
if (notty == 0)
bb_putchar_stderr('\n'); /* it's tty */
G.transferred = 0;
}
}