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Cleaned up error message handling.

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This commit is contained in:
Matt Kraai 2000-10-25 16:25:50 +00:00
parent 324a778f31
commit 97d2612566
2 changed files with 32 additions and 32 deletions
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32
networking/wget.c
View File

@ -98,7 +98,7 @@ int wget_main(int argc, char **argv)
if (do_continue && !fname_out) if (do_continue && !fname_out)
fatalError("wget: cannot specify continue (-c) without a filename (-O)\n"); fatalError("cannot specify continue (-c) without a filename (-O)\n");
/* /*
* Parse url into components. * Parse url into components.
*/ */
@ -115,7 +115,7 @@ int wget_main(int argc, char **argv)
if (fname_out != NULL) { if (fname_out != NULL) {
if ( (output=fopen(fname_out, (do_continue ? "a" : "w"))) if ( (output=fopen(fname_out, (do_continue ? "a" : "w")))
== NULL) == NULL)
fatalError("wget: freopen(%s): %s\n", fname_out, strerror(errno)); fatalPerror("fopen(%s)", fname_out);
} else { } else {
output=stdout; output=stdout;
} }
@ -126,7 +126,7 @@ int wget_main(int argc, char **argv)
if (do_continue) { if (do_continue) {
struct stat sbuf; struct stat sbuf;
if (fstat(fileno(output), &sbuf) < 0) if (fstat(fileno(output), &sbuf) < 0)
fatalError("wget: fstat(): %s\n", strerror(errno)); fatalError("fstat()");
if (sbuf.st_size > 0) if (sbuf.st_size > 0)
beg_range = sbuf.st_size; beg_range = sbuf.st_size;
else else
@ -145,7 +145,7 @@ int wget_main(int argc, char **argv)
* Retrieve HTTP response line and check for "200" status code. * Retrieve HTTP response line and check for "200" status code.
*/ */
if (fgets(buf, sizeof(buf), sfp) == NULL) if (fgets(buf, sizeof(buf), sfp) == NULL)
fatalError("wget: no response from server\n"); fatalError("no response from server\n");
for (s = buf ; *s != '\0' && !isspace(*s) ; ++s) for (s = buf ; *s != '\0' && !isspace(*s) ; ++s)
; ;
for ( ; isspace(*s) ; ++s) for ( ; isspace(*s) ; ++s)
@ -154,13 +154,13 @@ int wget_main(int argc, char **argv)
case 200: case 200:
if (!do_continue) if (!do_continue)
break; break;
fatalError("wget: server does not support ranges\n"); fatalError("server does not support ranges\n");
case 206: case 206:
if (do_continue) if (do_continue)
break; break;
/*FALLTHRU*/ /*FALLTHRU*/
default: default:
fatalError("wget: server returned error: %s", buf); fatalError("server returned error: %s", buf);
} }
/* /*
@ -173,7 +173,7 @@ int wget_main(int argc, char **argv)
continue; continue;
} }
if (strcmp(buf, "transfer-encoding") == 0) { if (strcmp(buf, "transfer-encoding") == 0) {
fatalError("wget: server wants to do %s transfer encoding\n", s); fatalError("server wants to do %s transfer encoding\n", s);
continue; continue;
} }
} }
@ -195,7 +195,7 @@ int wget_main(int argc, char **argv)
filesize -= n; filesize -= n;
} }
if (n == 0 && ferror(sfp)) if (n == 0 && ferror(sfp))
fatalError("wget: network read error: %s", strerror(errno)); fatalPerror("network read error");
exit(0); exit(0);
} }
@ -208,12 +208,12 @@ void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path)
*uri_port = 80; *uri_port = 80;
if (strncmp(url, "http://", 7) != 0) if (strncmp(url, "http://", 7) != 0)
fatalError("wget: not an http url: %s\n", url); fatalError("not an http url: %s\n", url);
/* pull the host portion to the front of the buffer */ /* pull the host portion to the front of the buffer */
for (s = url, h = url+7 ; *h != '/' ; ++h) { for (s = url, h = url+7 ; *h != '/' ; ++h) {
if (*h == '\0') if (*h == '\0')
fatalError("wget: cannot parse url: %s\n", url); fatalError("cannot parse url: %s\n", url);
if (*h == ':') { if (*h == ':') {
*uri_port = atoi(h+1); *uri_port = atoi(h+1);
*h = '\0'; *h = '\0';
@ -236,7 +236,7 @@ FILE *open_socket(char *host, int port)
memzero(&sin, sizeof(sin)); memzero(&sin, sizeof(sin));
sin.sin_family = AF_INET; sin.sin_family = AF_INET;
if ((hp = (struct hostent *) gethostbyname(host)) == NULL) if ((hp = (struct hostent *) gethostbyname(host)) == NULL)
fatalError("wget: cannot resolve %s\n", host); fatalError("cannot resolve %s\n", host);
memcpy(&sin.sin_addr, hp->h_addr_list[0], hp->h_length); memcpy(&sin.sin_addr, hp->h_addr_list[0], hp->h_length);
sin.sin_port = htons(port); sin.sin_port = htons(port);
@ -244,11 +244,11 @@ FILE *open_socket(char *host, int port)
* Get the server onto a stdio stream. * Get the server onto a stdio stream.
*/ */
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
fatalError("wget: socket(): %s\n", strerror(errno)); fatalPerror("socket()");
if (connect(fd, (struct sockaddr *) &sin, sizeof(sin)) < 0) if (connect(fd, (struct sockaddr *) &sin, sizeof(sin)) < 0)
fatalError("wget: connect(%s): %s\n", host, strerror(errno)); fatalPerror("connect(%s)", host);
if ((fp = fdopen(fd, "r+")) == NULL) if ((fp = fdopen(fd, "r+")) == NULL)
fatalError("wget: fdopen(): %s\n", strerror(errno)); fatalPerror("fdopen()");
return fp; return fp;
} }
@ -277,7 +277,7 @@ char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
/* verify we are at the end of the header name */ /* verify we are at the end of the header name */
if (*s != ':') if (*s != ':')
fatalError("wget: bad header line: %s\n", buf); fatalError("bad header line: %s\n", buf);
/* locate the start of the header value */ /* locate the start of the header value */
for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s) for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s)
@ -336,7 +336,7 @@ char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: wget.c,v 1.5 2000/10/03 00:21:45 andersen Exp $ * $Id: wget.c,v 1.6 2000/10/25 16:25:50 kraai Exp $
*/ */

32
wget.c
View File

@ -98,7 +98,7 @@ int wget_main(int argc, char **argv)
if (do_continue && !fname_out) if (do_continue && !fname_out)
fatalError("wget: cannot specify continue (-c) without a filename (-O)\n"); fatalError("cannot specify continue (-c) without a filename (-O)\n");
/* /*
* Parse url into components. * Parse url into components.
*/ */
@ -115,7 +115,7 @@ int wget_main(int argc, char **argv)
if (fname_out != NULL) { if (fname_out != NULL) {
if ( (output=fopen(fname_out, (do_continue ? "a" : "w"))) if ( (output=fopen(fname_out, (do_continue ? "a" : "w")))
== NULL) == NULL)
fatalError("wget: freopen(%s): %s\n", fname_out, strerror(errno)); fatalPerror("fopen(%s)", fname_out);
} else { } else {
output=stdout; output=stdout;
} }
@ -126,7 +126,7 @@ int wget_main(int argc, char **argv)
if (do_continue) { if (do_continue) {
struct stat sbuf; struct stat sbuf;
if (fstat(fileno(output), &sbuf) < 0) if (fstat(fileno(output), &sbuf) < 0)
fatalError("wget: fstat(): %s\n", strerror(errno)); fatalError("fstat()");
if (sbuf.st_size > 0) if (sbuf.st_size > 0)
beg_range = sbuf.st_size; beg_range = sbuf.st_size;
else else
@ -145,7 +145,7 @@ int wget_main(int argc, char **argv)
* Retrieve HTTP response line and check for "200" status code. * Retrieve HTTP response line and check for "200" status code.
*/ */
if (fgets(buf, sizeof(buf), sfp) == NULL) if (fgets(buf, sizeof(buf), sfp) == NULL)
fatalError("wget: no response from server\n"); fatalError("no response from server\n");
for (s = buf ; *s != '\0' && !isspace(*s) ; ++s) for (s = buf ; *s != '\0' && !isspace(*s) ; ++s)
; ;
for ( ; isspace(*s) ; ++s) for ( ; isspace(*s) ; ++s)
@ -154,13 +154,13 @@ int wget_main(int argc, char **argv)
case 200: case 200:
if (!do_continue) if (!do_continue)
break; break;
fatalError("wget: server does not support ranges\n"); fatalError("server does not support ranges\n");
case 206: case 206:
if (do_continue) if (do_continue)
break; break;
/*FALLTHRU*/ /*FALLTHRU*/
default: default:
fatalError("wget: server returned error: %s", buf); fatalError("server returned error: %s", buf);
} }
/* /*
@ -173,7 +173,7 @@ int wget_main(int argc, char **argv)
continue; continue;
} }
if (strcmp(buf, "transfer-encoding") == 0) { if (strcmp(buf, "transfer-encoding") == 0) {
fatalError("wget: server wants to do %s transfer encoding\n", s); fatalError("server wants to do %s transfer encoding\n", s);
continue; continue;
} }
} }
@ -195,7 +195,7 @@ int wget_main(int argc, char **argv)
filesize -= n; filesize -= n;
} }
if (n == 0 && ferror(sfp)) if (n == 0 && ferror(sfp))
fatalError("wget: network read error: %s", strerror(errno)); fatalPerror("network read error");
exit(0); exit(0);
} }
@ -208,12 +208,12 @@ void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path)
*uri_port = 80; *uri_port = 80;
if (strncmp(url, "http://", 7) != 0) if (strncmp(url, "http://", 7) != 0)
fatalError("wget: not an http url: %s\n", url); fatalError("not an http url: %s\n", url);
/* pull the host portion to the front of the buffer */ /* pull the host portion to the front of the buffer */
for (s = url, h = url+7 ; *h != '/' ; ++h) { for (s = url, h = url+7 ; *h != '/' ; ++h) {
if (*h == '\0') if (*h == '\0')
fatalError("wget: cannot parse url: %s\n", url); fatalError("cannot parse url: %s\n", url);
if (*h == ':') { if (*h == ':') {
*uri_port = atoi(h+1); *uri_port = atoi(h+1);
*h = '\0'; *h = '\0';
@ -236,7 +236,7 @@ FILE *open_socket(char *host, int port)
memzero(&sin, sizeof(sin)); memzero(&sin, sizeof(sin));
sin.sin_family = AF_INET; sin.sin_family = AF_INET;
if ((hp = (struct hostent *) gethostbyname(host)) == NULL) if ((hp = (struct hostent *) gethostbyname(host)) == NULL)
fatalError("wget: cannot resolve %s\n", host); fatalError("cannot resolve %s\n", host);
memcpy(&sin.sin_addr, hp->h_addr_list[0], hp->h_length); memcpy(&sin.sin_addr, hp->h_addr_list[0], hp->h_length);
sin.sin_port = htons(port); sin.sin_port = htons(port);
@ -244,11 +244,11 @@ FILE *open_socket(char *host, int port)
* Get the server onto a stdio stream. * Get the server onto a stdio stream.
*/ */
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
fatalError("wget: socket(): %s\n", strerror(errno)); fatalPerror("socket()");
if (connect(fd, (struct sockaddr *) &sin, sizeof(sin)) < 0) if (connect(fd, (struct sockaddr *) &sin, sizeof(sin)) < 0)
fatalError("wget: connect(%s): %s\n", host, strerror(errno)); fatalPerror("connect(%s)", host);
if ((fp = fdopen(fd, "r+")) == NULL) if ((fp = fdopen(fd, "r+")) == NULL)
fatalError("wget: fdopen(): %s\n", strerror(errno)); fatalPerror("fdopen()");
return fp; return fp;
} }
@ -277,7 +277,7 @@ char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
/* verify we are at the end of the header name */ /* verify we are at the end of the header name */
if (*s != ':') if (*s != ':')
fatalError("wget: bad header line: %s\n", buf); fatalError("bad header line: %s\n", buf);
/* locate the start of the header value */ /* locate the start of the header value */
for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s) for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s)
@ -336,7 +336,7 @@ char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: wget.c,v 1.5 2000/10/03 00:21:45 andersen Exp $ * $Id: wget.c,v 1.6 2000/10/25 16:25:50 kraai Exp $
*/ */