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Diffstat (limited to 'networking')
-rw-r--r--networking/wget.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/networking/wget.c b/networking/wget.c
index 013b87801..5d5845019 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -352,10 +352,11 @@ static char *gethdr(FILE *fp)
static void reset_beg_range_to_zero(void)
{
- //bb_error_msg("restart failed");
+ bb_error_msg("restart failed");
G.beg_range = 0;
xlseek(G.output_fd, 0, SEEK_SET);
- ftruncate(G.output_fd, 0);
+ /* Done at the end instead: */
+ /* ftruncate(G.output_fd, 0); */
}
static FILE* prepare_ftp_session(FILE **dfpp, struct host_info *target, len_and_sockaddr *lsa)
@@ -554,6 +555,17 @@ static void NOINLINE retrieve_file_data(FILE *dfp)
G.got_clen = 1;
}
+ /* If -c failed, we restart from the beginning,
+ * but we do not truncate file then, we do it only now, at the end.
+ * This lets user to ^C if his 99% complete 10 GB file download
+ * failed to restart *without* losing the almost complete file.
+ */
+ {
+ off_t pos = lseek(G.output_fd, 0, SEEK_CUR);
+ if (pos != (off_t)-1)
+ ftruncate(G.output_fd, pos);
+ }
+
/* Draw full bar and free its resources */
G.chunked = 0; /* makes it show 100% even for chunked download */
G.got_clen = 1; /* makes it show 100% even for download of (formerly) unknown size */