libbb: progress indicator: use unicode support funcs instead of open-coding it

function                                             old     new   delta
bb_progress_update                                   729     641     -88

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

1 files changed, 4 insertions, 16 deletions

diff --git a/libbb/progress.c b/libbb/progress.c
index 74e80a39e..3c7355fee 100644
--- a/libbb/progress.c
+++ b/libbb/progress.c
@@ -93,22 +93,9 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
 
 #if ENABLE_UNICODE_SUPPORT
         init_unicode();
-        /* libbb candidate? */
         {
-                wchar_t wbuf21[21];
-                char *buf = xstrdup(curfile);
-                unsigned len;
-
-                /* trim to 20 wide chars max (sets wbuf21[20] to 0)
-                 * also, in case mbstowcs fails, we at least
-                 * dont get garbage */
-                memset(wbuf21, 0, sizeof(wbuf21));
-                /* convert to wide chars, no more than 20 */
-                len = mbstowcs(wbuf21, curfile, 20); /* NB: may return -1 */
-                /* back to multibyte; cant overflow */
-                wcstombs(buf, wbuf21, INT_MAX);
-                len = (len > 20) ? 0 : 20 - len;
-                fprintf(stderr, "\r%s%*s%4u%% ", buf, len, "", ratio);
+                char *buf = unicode_conv_to_printable_fixedwidth(NULL, curfile, 20);
+                fprintf(stderr, "\r%s%4u%% ", buf, ratio);
                 free(buf);
         }
 #else
@@ -158,7 +145,8 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
                         /* (long long helps to have working ETA even if !LFS) */
                         unsigned eta = (unsigned long long)to_download*elapsed/(uoff_t)transferred - elapsed;
                         unsigned secs = eta % 3600;
-                        fprintf(stderr, "%02u:%02u:%02u ETA", eta / 3600, secs / 60, secs % 60);
+                        unsigned hours = eta / 3600;
+                        fprintf(stderr, "%02u:%02u:%02u ETA", hours, secs / 60, secs % 60);
                 }
         }
 }