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authorEric Andersen2001-01-24 20:28:35 +0000
committerEric Andersen2001-01-24 20:28:35 +0000
commit7d69701d39323f31025a138e23757a2538d75983 (patch)
tree8106aa2436503cc07a7723ee4c9972b8d7738f5a /wget.c
parent8c5cb31e1ba19ca1431d4cbe1d521cf3447dd0c6 (diff)
downloadbusybox-7d69701d39323f31025a138e23757a2538d75983.zip
busybox-7d69701d39323f31025a138e23757a2538d75983.tar.gz
Some behavioral updates to wget so it acts a bit nicer.
-Erik
Diffstat (limited to 'wget.c')
-rw-r--r--wget.c33
1 files changed, 21 insertions, 12 deletions
diff --git a/wget.c b/wget.c
index 77c72cb..4194353 100644
--- a/wget.c
+++ b/wget.c
@@ -47,6 +47,14 @@ volatile unsigned long statbytes; /* Number of bytes transferred so far. */
/* For progressmeter() -- number of seconds before xfer considered "stalled" */
static const int STALLTIME = 5;
#endif
+
+void close_and_delete_outfile(FILE* output, char *fname_out, int do_continue)
+{
+ if (output != stdout && do_continue==0) {
+ fclose(output);
+ unlink(fname_out);
+ }
+}
int wget_main(int argc, char **argv)
{
@@ -91,9 +99,6 @@ int wget_main(int argc, char **argv)
if (argc - optind != 1)
usage(wget_usage);
- if (do_continue && !fname_out)
- error_msg_and_die("cannot specify continue (-c) without a filename (-O)\n");
-
/*
* Use the proxy if necessary.
*/
@@ -129,6 +134,8 @@ int wget_main(int argc, char **argv)
curfile=argv[optind];
#endif
}
+ if (do_continue && !fname_out)
+ error_msg_and_die("cannot specify continue (-c) without a filename (-O)\n");
/*
@@ -147,8 +154,7 @@ int wget_main(int argc, char **argv)
* Open the output file stream.
*/
if (fname_out != (char *)1) {
- if ( (output=fopen(fname_out, (do_continue ? "a" : "w")))
- == NULL)
+ if ( (output=fopen(fname_out, (do_continue ? "a" : "w"))) == NULL)
perror_msg_and_die("fopen(%s)", fname_out);
} else {
output = stdout;
@@ -172,6 +178,7 @@ int wget_main(int argc, char **argv)
fprintf(sfp, "GET http://%s:%d/%s HTTP/1.1\r\n",
uri_host, uri_port, uri_path);
fprintf(sfp, "Host: %s\r\nUser-Agent: Wget\r\n", uri_host);
+
if (do_continue)
fprintf(sfp, "Range: bytes=%ld-\r\n", beg_range);
fprintf(sfp,"Connection: close\r\n\r\n");
@@ -180,6 +187,7 @@ int wget_main(int argc, char **argv)
* Retrieve HTTP response line and check for "200" status code.
*/
if (fgets(buf, sizeof(buf), sfp) == NULL) {
+ close_and_delete_outfile(output, fname_out, do_continue);
error_msg_and_die("no response from server\n");
}
for (s = buf ; *s != '\0' && !isspace(*s) ; ++s)
@@ -187,28 +195,29 @@ int wget_main(int argc, char **argv)
for ( ; isspace(*s) ; ++s)
;
switch (atoi(s)) {
+ case 0:
case 200:
- if (!do_continue)
- break;
- error_msg_and_die("server does not support ranges\n");
+ break;
case 206:
if (do_continue)
break;
/*FALLTHRU*/
default:
- error_msg_and_die("server returned error: %s", buf);
+ close_and_delete_outfile(output, fname_out, do_continue);
+ error_msg_and_die("server returned error %d: %s", atoi(s), buf);
}
/*
* Retrieve HTTP headers.
*/
while ((s = gethdr(buf, sizeof(buf), sfp, &n)) != NULL) {
- if (strcmp(buf, "content-length") == 0) {
+ if (strcasecmp(buf, "content-length") == 0) {
filesize = atol(s);
got_clen = 1;
continue;
}
- if (strcmp(buf, "transfer-encoding") == 0) {
+ if (strcasecmp(buf, "transfer-encoding") == 0) {
+ close_and_delete_outfile(output, fname_out, do_continue);
error_msg_and_die("server wants to do %s transfer encoding\n", s);
continue;
}
@@ -511,7 +520,7 @@ progressmeter(int flag)
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: wget.c,v 1.20 2001/01/24 18:44:54 andersen Exp $
+ * $Id: wget.c,v 1.21 2001/01/24 20:28:35 andersen Exp $
*/