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Quick shot at implementing -t (test).

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Requested by:	ache
MFC after:	2 weeks
This commit is contained in:
Dag-Erling Smørgrav 2008-06-30 17:11:27 +00:00
parent d8c5a84b61
commit ec7bd62201
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=180124
1 changed files with 42 additions and 4 deletions
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46
usr.bin/unzip/unzip.c
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@ -58,6 +58,7 @@ static int l_opt; /* list */
static int n_opt; /* never overwrite */
static int o_opt; /* always overwrite */
static int q_opt; /* quiet */
static int t_opt; /* test */
static int u_opt; /* update */
/* time when unzip started */
@ -69,6 +70,9 @@ static int unzip_debug;
/* running on tty? */
static int tty;
/* error flag for -t */
static int test_failed;
/* convenience macro */
/* XXX should differentiate between ARCHIVE_{WARN,FAIL,RETRY} */
#define ac(call) \
@ -331,7 +335,7 @@ make_dir(const char *path, int mode)
* Ensure that all directories leading up to (but not including) the
* specified path exist.
*
* XXX inefficient.
* XXX inefficient + modifies the file in-place
*/
static void
make_parent(char *path)
@ -625,6 +629,32 @@ list(struct archive *a, struct archive_entry *e)
ac(archive_read_data_skip(a));
}
/*
* Extract to memory to check CRC
*/
static void
test(struct archive *a, struct archive_entry *e)
{
ssize_t len;
if (S_ISDIR(archive_entry_filetype(e)))
return;
info("%s ", archive_entry_pathname(e));
while ((len = archive_read_data(a, buffer, sizeof buffer)) > 0)
/* nothing */;
if (len < 0) {
info("%s\n", archive_error_string(a));
++test_failed;
} else {
info("OK\n");
}
/* shouldn't be necessary, but it doesn't hurt */
ac(archive_read_data_skip(a));
}
/*
* Main loop: open the zipfile, iterate over its contents and decide what
* to do with each entry.
@ -648,7 +678,9 @@ unzip(const char *fn)
if (ret == ARCHIVE_EOF)
break;
ac(ret);
if (l_opt)
if (t_opt)
test(a, e);
else if (l_opt)
list(a, e);
else
extract(a, e);
@ -658,13 +690,16 @@ unzip(const char *fn)
(void)archive_read_finish(a);
if (close(fd) != 0)
error("%s", fn);
if (t_opt && test_failed)
errorx("%d checksum error(s) found.", test_failed);
}
static void
usage(void)
{
fprintf(stderr, "usage: unzip [-ajLlnoqu] [-d dir] zipfile\n");
fprintf(stderr, "usage: unzip [-ajLlnoqtu] [-d dir] zipfile\n");
exit(1);
}
@ -674,7 +709,7 @@ getopts(int argc, char *argv[])
int opt;
optreset = optind = 1;
while ((opt = getopt(argc, argv, "ad:jLlnoqux:")) != -1)
while ((opt = getopt(argc, argv, "ad:jLlnoqtux:")) != -1)
switch (opt) {
case 'a':
a_opt = 1;
@ -700,6 +735,9 @@ getopts(int argc, char *argv[])
case 'q':
q_opt = 1;
break;
case 't':
t_opt = 1;
break;
case 'u':
u_opt = 1;
break;