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-rw-r--r--examples/minitar/minitar.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/examples/minitar/minitar.c b/examples/minitar/minitar.c
index 0ff6263ebf84b..81e5e11c79853 100644
--- a/examples/minitar/minitar.c
+++ b/examples/minitar/minitar.c
@@ -249,7 +249,7 @@ create(const char *filename, int compress, const char **argv)
break;
}
archive_write_set_format_ustar(a);
- if (strcmp(filename, "-") == 0)
+ if (filename != NULL && strcmp(filename, "-") == 0)
filename = NULL;
archive_write_open_filename(a, filename);
@@ -367,6 +367,7 @@ extract(const char *filename, int do_extract, int flags)
exit(r);
}
for (;;) {
+ int needcr = 0;
r = archive_read_next_header(a, &entry);
if (r == ARCHIVE_EOF)
break;
@@ -377,16 +378,24 @@ extract(const char *filename, int do_extract, int flags)
}
if (verbose && do_extract)
msg("x ");
- if (verbose || !do_extract)
+ if (verbose || !do_extract) {
msg(archive_entry_pathname(entry));
+ msg(" ");
+ needcr = 1;
+ }
if (do_extract) {
r = archive_write_header(ext, entry);
- if (r != ARCHIVE_OK)
+ if (r != ARCHIVE_OK) {
errmsg(archive_error_string(a));
- else
- copy_data(a, ext);
+ needcr = 1;
+ }
+ else {
+ r = copy_data(a, ext);
+ if (r != ARCHIVE_OK)
+ needcr = 1;
+ }
}
- if (verbose || !do_extract)
+ if (needcr)
msg("\n");
}
archive_read_close(a);
@@ -400,16 +409,16 @@ copy_data(struct archive *ar, struct archive *aw)
int r;
const void *buff;
size_t size;
- off_t offset;
+ int64_t offset;
for (;;) {
r = archive_read_data_block(ar, &buff, &size, &offset);
- if (r == ARCHIVE_EOF) {
- errmsg(archive_error_string(ar));
+ if (r == ARCHIVE_EOF)
return (ARCHIVE_OK);
- }
- if (r != ARCHIVE_OK)
+ if (r != ARCHIVE_OK) {
+ errmsg(archive_error_string(ar));
return (r);
+ }
r = archive_write_data_block(aw, buff, size, offset);
if (r != ARCHIVE_OK) {
errmsg(archive_error_string(ar));
@@ -427,6 +436,9 @@ msg(const char *m)
static void
errmsg(const char *m)
{
+ if (m == NULL) {
+ m = "Error: No error description provided.\n";
+ }
write(2, m, strlen(m));
}