1998-07-09 16:52:44 +00:00
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/*-
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* Copyright (c) 1998 Dag-Erling Co<EFBFBD>dan Sm<EFBFBD>rgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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1999-08-28 00:22:10 +00:00
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* $FreeBSD$
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1998-07-09 16:52:44 +00:00
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*/
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#ifndef _FETCH_H_INCLUDED
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#define _FETCH_H_INCLUDED
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2000-05-25 16:24:31 +00:00
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#define _LIBFETCH_VER "libfetch/2.0"
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1998-07-09 16:52:44 +00:00
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#define URL_SCHEMELEN 16
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#define URL_USERLEN 256
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#define URL_PWDLEN 256
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Second of a series of cleanups to libfetch.
This commit introduces the following features:
a) the fetchStat*() functions, which return meta-information for a
document, such as size, modification time, etc.
b) the use of the com_err(3) facilities to report errors.
It also fixes a bunch of style bugs and a few logic bugs and somewhat
improves the man page.
Changed files, in alphabetical order:
Makefile:
Don't generate macros in {ftp,http}err.c.
Generate category fields for the error message lists.
Compile the error table.
Install fetch_err.h along with fetch.h.
common.c:
Remove the _netdb_errstring() macro, and add FETCH_ERR_NETDB to the
error code in the _netdb_seterr() macro.
Add categories to the _netdb_errlist table.
Report errors through the Common Error library.
common.h:
Add the DEBUG macros.
Add prototype for fetchConnect().
Remove the prototype for _fetch_errstring(), which is local to common.c
Add a categroy field to struct fetcherr, and define constants for
error categories.
Define macros for _{url,netdb,ftp,http}_seterr().
errors.et: (new file)
List error categories.
fetch.3:
Document the fetchStat*() functions.
Move the "unimplemented functionality" comments from NOTES to BUGS.
Document that applications which use libfetch must also use
libcom_err, and list existing error codes.
Undocument fetchLastErr{Code,String}.
Remove the (empty) DIAGNOSTICS section.
Mention Eugene Skepner in the AUTHORS section.
fetch.c:
Move the DEBUG macros to common.c
Add fetchStat() and fetchStatURL().
Generate error messages for URL parser errors, and fix a minor bug
in the parser.
Use 'struct url' instead of 'url_t'.
Remove fetchLastErr{Code,String}.
fetch.h:
Use 'struct url' instead of 'url_t', and remove the typedef.
Define struct url_stat (used by fetchStat()).
Add prototypes for fetchStat*().
Remove the declarations for fetchLastErr{Code,String}.
Include fetch_err.h.
fetch_err.et: (new file)
Error table for libfetch.
file.c:
Add fetchStatFile().
Use 'struct url' instead of 'url_t'.
ftp.c:
Add fetchStatFTP().
Use 'struct url' instead of 'url_t'.
Don't use fetchLastErrCode.
ftp.errors:
Add categories to all error messages.
http.c:
Add fetchStatHTTP().
Use 'struct url' instead of 'url_t'.
Don't use fetchLastErr{Code,Text}.
http.errors:
Add categories to all error messages.
Prompted by: jkh and Eugene Skepner
Numerous sugestions from: Garett Wollman and Eugene Skepner
1998-11-06 22:14:08 +00:00
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struct url {
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char scheme[URL_SCHEMELEN+1];
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char user[URL_USERLEN+1];
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char pwd[URL_PWDLEN+1];
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char host[MAXHOSTNAMELEN+1];
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int port;
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2000-05-11 13:31:02 +00:00
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char *doc;
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off_t offset;
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size_t length;
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1998-07-09 16:52:44 +00:00
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};
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Second of a series of cleanups to libfetch.
This commit introduces the following features:
a) the fetchStat*() functions, which return meta-information for a
document, such as size, modification time, etc.
b) the use of the com_err(3) facilities to report errors.
It also fixes a bunch of style bugs and a few logic bugs and somewhat
improves the man page.
Changed files, in alphabetical order:
Makefile:
Don't generate macros in {ftp,http}err.c.
Generate category fields for the error message lists.
Compile the error table.
Install fetch_err.h along with fetch.h.
common.c:
Remove the _netdb_errstring() macro, and add FETCH_ERR_NETDB to the
error code in the _netdb_seterr() macro.
Add categories to the _netdb_errlist table.
Report errors through the Common Error library.
common.h:
Add the DEBUG macros.
Add prototype for fetchConnect().
Remove the prototype for _fetch_errstring(), which is local to common.c
Add a categroy field to struct fetcherr, and define constants for
error categories.
Define macros for _{url,netdb,ftp,http}_seterr().
errors.et: (new file)
List error categories.
fetch.3:
Document the fetchStat*() functions.
Move the "unimplemented functionality" comments from NOTES to BUGS.
Document that applications which use libfetch must also use
libcom_err, and list existing error codes.
Undocument fetchLastErr{Code,String}.
Remove the (empty) DIAGNOSTICS section.
Mention Eugene Skepner in the AUTHORS section.
fetch.c:
Move the DEBUG macros to common.c
Add fetchStat() and fetchStatURL().
Generate error messages for URL parser errors, and fix a minor bug
in the parser.
Use 'struct url' instead of 'url_t'.
Remove fetchLastErr{Code,String}.
fetch.h:
Use 'struct url' instead of 'url_t', and remove the typedef.
Define struct url_stat (used by fetchStat()).
Add prototypes for fetchStat*().
Remove the declarations for fetchLastErr{Code,String}.
Include fetch_err.h.
fetch_err.et: (new file)
Error table for libfetch.
file.c:
Add fetchStatFile().
Use 'struct url' instead of 'url_t'.
ftp.c:
Add fetchStatFTP().
Use 'struct url' instead of 'url_t'.
Don't use fetchLastErrCode.
ftp.errors:
Add categories to all error messages.
http.c:
Add fetchStatHTTP().
Use 'struct url' instead of 'url_t'.
Don't use fetchLastErr{Code,Text}.
http.errors:
Add categories to all error messages.
Prompted by: jkh and Eugene Skepner
Numerous sugestions from: Garett Wollman and Eugene Skepner
1998-11-06 22:14:08 +00:00
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struct url_stat {
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off_t size;
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1998-12-16 10:24:55 +00:00
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time_t atime;
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time_t mtime;
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Second of a series of cleanups to libfetch.
This commit introduces the following features:
a) the fetchStat*() functions, which return meta-information for a
document, such as size, modification time, etc.
b) the use of the com_err(3) facilities to report errors.
It also fixes a bunch of style bugs and a few logic bugs and somewhat
improves the man page.
Changed files, in alphabetical order:
Makefile:
Don't generate macros in {ftp,http}err.c.
Generate category fields for the error message lists.
Compile the error table.
Install fetch_err.h along with fetch.h.
common.c:
Remove the _netdb_errstring() macro, and add FETCH_ERR_NETDB to the
error code in the _netdb_seterr() macro.
Add categories to the _netdb_errlist table.
Report errors through the Common Error library.
common.h:
Add the DEBUG macros.
Add prototype for fetchConnect().
Remove the prototype for _fetch_errstring(), which is local to common.c
Add a categroy field to struct fetcherr, and define constants for
error categories.
Define macros for _{url,netdb,ftp,http}_seterr().
errors.et: (new file)
List error categories.
fetch.3:
Document the fetchStat*() functions.
Move the "unimplemented functionality" comments from NOTES to BUGS.
Document that applications which use libfetch must also use
libcom_err, and list existing error codes.
Undocument fetchLastErr{Code,String}.
Remove the (empty) DIAGNOSTICS section.
Mention Eugene Skepner in the AUTHORS section.
fetch.c:
Move the DEBUG macros to common.c
Add fetchStat() and fetchStatURL().
Generate error messages for URL parser errors, and fix a minor bug
in the parser.
Use 'struct url' instead of 'url_t'.
Remove fetchLastErr{Code,String}.
fetch.h:
Use 'struct url' instead of 'url_t', and remove the typedef.
Define struct url_stat (used by fetchStat()).
Add prototypes for fetchStat*().
Remove the declarations for fetchLastErr{Code,String}.
Include fetch_err.h.
fetch_err.et: (new file)
Error table for libfetch.
file.c:
Add fetchStatFile().
Use 'struct url' instead of 'url_t'.
ftp.c:
Add fetchStatFTP().
Use 'struct url' instead of 'url_t'.
Don't use fetchLastErrCode.
ftp.errors:
Add categories to all error messages.
http.c:
Add fetchStatHTTP().
Use 'struct url' instead of 'url_t'.
Don't use fetchLastErr{Code,Text}.
http.errors:
Add categories to all error messages.
Prompted by: jkh and Eugene Skepner
Numerous sugestions from: Garett Wollman and Eugene Skepner
1998-11-06 22:14:08 +00:00
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};
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1998-07-09 16:52:44 +00:00
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1998-12-21 19:41:50 +00:00
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struct url_ent {
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2001-05-26 19:37:15 +00:00
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char name[PATH_MAX];
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1998-12-21 19:41:50 +00:00
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struct url_stat stat;
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};
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2000-10-12 21:59:22 +00:00
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/* Recognized schemes */
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#define SCHEME_FTP "ftp"
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#define SCHEME_HTTP "http"
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2000-12-01 11:04:43 +00:00
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#define SCHEME_HTTPS "https"
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2000-10-12 21:59:22 +00:00
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#define SCHEME_FILE "file"
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2000-05-25 16:24:31 +00:00
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/* Error codes */
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#define FETCH_ABORT 1
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#define FETCH_AUTH 2
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#define FETCH_DOWN 3
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#define FETCH_EXISTS 4
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#define FETCH_FULL 5
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#define FETCH_INFO 6
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#define FETCH_MEMORY 7
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#define FETCH_MOVED 8
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#define FETCH_NETWORK 9
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#define FETCH_OK 10
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#define FETCH_PROTO 11
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#define FETCH_RESOLV 12
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#define FETCH_SERVER 13
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#define FETCH_TEMP 14
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#define FETCH_TIMEOUT 15
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#define FETCH_UNAVAIL 16
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#define FETCH_UNKNOWN 17
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#define FETCH_URL 18
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#define FETCH_VERBOSE 19
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1998-07-09 16:52:44 +00:00
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/* FILE-specific functions */
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2001-04-24 00:06:21 +00:00
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FILE *fetchXGetFile(struct url *, struct url_stat *, const char *);
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FILE *fetchGetFile(struct url *, const char *);
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FILE *fetchPutFile(struct url *, const char *);
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int fetchStatFile(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchListFile(struct url *, const char *);
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1998-07-09 16:52:44 +00:00
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/* HTTP-specific functions */
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2001-04-24 00:06:21 +00:00
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FILE *fetchXGetHTTP(struct url *, struct url_stat *, const char *);
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FILE *fetchGetHTTP(struct url *, const char *);
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FILE *fetchPutHTTP(struct url *, const char *);
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int fetchStatHTTP(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchListHTTP(struct url *, const char *);
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1998-07-09 16:52:44 +00:00
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/* FTP-specific functions */
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2001-04-24 00:06:21 +00:00
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FILE *fetchXGetFTP(struct url *, struct url_stat *, const char *);
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FILE *fetchGetFTP(struct url *, const char *);
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FILE *fetchPutFTP(struct url *, const char *);
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int fetchStatFTP(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchListFTP(struct url *, const char *);
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1998-07-09 16:52:44 +00:00
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/* Generic functions */
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2001-04-24 00:06:21 +00:00
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FILE *fetchXGetURL(const char *, struct url_stat *, const char *);
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FILE *fetchGetURL(const char *, const char *);
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FILE *fetchPutURL(const char *, const char *);
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int fetchStatURL(const char *, struct url_stat *, const char *);
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struct url_ent *fetchListURL(const char *, const char *);
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FILE *fetchXGet(struct url *, struct url_stat *, const char *);
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FILE *fetchGet(struct url *, const char *);
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FILE *fetchPut(struct url *, const char *);
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int fetchStat(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchList(struct url *, const char *);
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1998-07-09 16:52:44 +00:00
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2000-05-11 13:31:02 +00:00
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/* URL parsing */
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2001-04-24 00:06:21 +00:00
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struct url *fetchMakeURL(const char *, const char *, int,
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const char *, const char *, const char *);
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struct url *fetchParseURL(const char *);
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2000-05-11 13:31:02 +00:00
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void fetchFreeURL(struct url *);
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2001-05-26 19:37:15 +00:00
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/* Authentication */
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typedef int (*auth_t)(struct url *);
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extern auth_t fetchAuthMethod;
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1998-12-16 10:24:55 +00:00
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/* Last error code */
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extern int fetchLastErrCode;
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2000-05-25 16:24:31 +00:00
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#define MAXERRSTRING 256
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extern char fetchLastErrString[MAXERRSTRING];
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2000-01-07 12:58:40 +00:00
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extern int fetchTimeout;
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2000-07-17 20:52:06 +00:00
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extern int fetchRestartCalls;
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1998-12-16 10:24:55 +00:00
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1998-07-09 16:52:44 +00:00
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#endif
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