freebsd-dev/lib/libfetch/http.errors
Dag-Erling Smørgrav d8acd8dc5c 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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# $Id: http.errors,v 1.1.1.1 1998/07/09 16:52:44 des Exp $
#
# This list is taken from RFC 2068.
#
100 OK Continue
101 OK Switching Protocols
200 OK OK
201 OK Created
202 OK Accepted
203 INFO Non-Authoritative Information
204 OK No Content
205 OK Reset Content
206 OK Partial Content
300 MOVED Multiple Choices
301 MOVED Moved Permanently
302 MOVED Moved Temporarily
303 MOVED See Other
304 OK Not Modified
305 INFO Use Proxy
400 PROTO Bad Request
401 AUTH Unauthorized
402 AUTH Payment Required
403 AUTH Forbidden
404 UNAVAIL Not Found
405 PROTO Method Not Allowed
406 PROTO Not Acceptable
407 AUTH Proxy Authentication Required
408 TIMEOUT Request Time-out
409 EXISTS Conflict
410 UNAVAIL Gone
411 PROTO Length Required
412 SERVER Precondition Failed
413 PROTO Request Entity Too Large
414 PROTO Request-URI Too Large
415 PROTO Unsupported Media Type
500 SERVER Internal Server Error
501 PROTO Not Implemented
502 SERVER Bad Gateway
503 TEMP Service Unavailable
504 TIMEOUT Gateway Time-out
505 PROTO HTTP Version not supported