diff options
Diffstat (limited to 'wget.c')
| -rw-r--r-- | wget.c | 33 |
1 files changed, 21 insertions, 12 deletions
@@ -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 $ */ |