Patch from Jeff Garzik marking a few 'getopt not needed' apps.

[oweals/busybox.git] / wget.c

diff --git a/wget.c b/wget.c
index 2c38cb08e6e727f0a93fc04e174611e045755d72..85023f97770dfbcbb17f5ab7592cfa4c053d105f 100644 (file)
--- a/wget.c
+++ b/wget.c
@@ -14,7 +14,6 @@
  *
  */
 
-#include "busybox.h"
 #include <stdio.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -33,23 +32,37 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 
+#include "busybox.h"
 
-void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path);
-FILE *open_socket(char *host, int port);
-char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc);
-void progressmeter(int flag);
+/* Stupid libc5 doesn't define this... */
+#ifndef timersub
+#define        timersub(a, b, result)                                                \
+  do {                                                                       \
+    (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;                            \
+    (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;                         \
+    if ((result)->tv_usec < 0) {                                             \
+      --(result)->tv_sec;                                                    \
+      (result)->tv_usec += 1000000;                                          \
+    }                                                                        \
+  } while (0)
+#endif 
+
+static void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path);
+static FILE *open_socket(char *host, int port);
+static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc);
+static void progressmeter(int flag);
 
 /* Globals (can be accessed from signal handlers */
 static off_t filesize = 0;             /* content-length of the file */
 #ifdef BB_FEATURE_WGET_STATUSBAR
 static char *curfile;                  /* Name of current file being transferred. */
 static struct timeval start;   /* Time a transfer started. */
-volatile unsigned long statbytes; /* Number of bytes transferred so far. */
+static 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)
+static void close_and_delete_outfile(FILE* output, char *fname_out, int do_continue)
 {
        if (output != stdout && do_continue==0) {
                fclose(output);
@@ -93,12 +106,12 @@ int wget_main(int argc, char **argv)
                        fname_out = (strcmp(optarg, "-") == 0 ? (char *)1 : optarg);
                        break;
                default:
-                       usage(wget_usage);
+                       show_usage();
                }
        }
 
        if (argc - optind != 1)
-                       usage(wget_usage);
+                       show_usage();
 
        /*
         * Use the proxy if necessary.
@@ -136,7 +149,7 @@ int wget_main(int argc, char **argv)
 #endif
        }
        if (do_continue && !fname_out)
-               error_msg_and_die("cannot specify continue (-c) without a filename (-O)\n");
+               error_msg_and_die("cannot specify continue (-c) without a filename (-O)");
 
 
        /*
@@ -155,8 +168,7 @@ 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)
-                       perror_msg_and_die("fopen(%s)", fname_out);
+               output = xfopen( fname_out, (do_continue ? "a" : "w") );
        } else {
                output = stdout;
        }
@@ -189,7 +201,7 @@ int wget_main(int argc, char **argv)
         */
        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");
+               error_msg_and_die("no response from server");
        }
        for (s = buf ; *s != '\0' && !isspace(*s) ; ++s)
                ;
@@ -205,6 +217,7 @@ int wget_main(int argc, char **argv)
                        /*FALLTHRU*/
                default:
                        close_and_delete_outfile(output, fname_out, do_continue);
+                       chomp(buf);
                        error_msg_and_die("server returned error %d: %s", atoi(s), buf);
        }
 
@@ -219,7 +232,7 @@ int wget_main(int argc, char **argv)
                }
                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);
+                       error_msg_and_die("server wants to do %s transfer encoding", s);
                        continue;
                }
        }
@@ -256,7 +269,7 @@ void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path)
        *uri_port = 80;
 
        if (strncmp(url, "http://", 7) != 0)
-               error_msg_and_die("not an http url: %s\n", url);
+               error_msg_and_die("not an http url: %s", url);
 
        *uri_host = url + 7;
 
@@ -283,10 +296,10 @@ FILE *open_socket(char *host, int port)
        int fd;
        FILE *fp;
 
-       memzero(&sin, sizeof(sin));
+       memset(&sin, 0, sizeof(sin));
        sin.sin_family = AF_INET;
        if ((hp = (struct hostent *) gethostbyname(host)) == NULL)
-               error_msg_and_die("cannot resolve %s\n", host);
+               error_msg_and_die("cannot resolve %s", host);
        memcpy(&sin.sin_addr, hp->h_addr_list[0], hp->h_length);
        sin.sin_port = htons(port);
 
@@ -327,7 +340,7 @@ char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
 
        /* verify we are at the end of the header name */
        if (*s != ':')
-               error_msg_and_die("bad header line: %s\n", buf);
+               error_msg_and_die("bad header line: %s", buf);
 
        /* locate the start of the header value */
        for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s)
@@ -358,7 +371,7 @@ char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
  */ 
 
 
-int
+static int
 getttywidth(void)
 {
        struct winsize winsize;
@@ -369,7 +382,7 @@ getttywidth(void)
                return (80);
 }
 
-void
+static void
 updateprogressmeter(int ignore)
 {
        int save_errno = errno;
@@ -378,7 +391,7 @@ updateprogressmeter(int ignore)
        errno = save_errno;
 }
 
-void
+static void
 alarmtimer(int wait)
 {
        struct itimerval itv;
@@ -390,7 +403,7 @@ alarmtimer(int wait)
 }
 
 
-void
+static void
 progressmeter(int flag)
 {
        static const char prefixes[] = " KMGTP";
@@ -521,7 +534,7 @@ progressmeter(int flag)
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *     $Id: wget.c,v 1.22 2001/01/26 02:04:49 andersen Exp $
+ *     $Id: wget.c,v 1.29 2001/03/09 21:24:12 andersen Exp $
  */