Relax URL syntax so that schemeless URLs are supported.

The decision to use an HTTP proxy for FTP documents belongs in the FTP code

Introduce fetchXGet*(), which combine the functionalities of fetchGet*() and
fetchStat*(). In most cases, either fetchGet*() or fetchXGet*() is a wrapper
around the other; in all cases, calling fetc

Introduce fetchXGet*(), which combine the functionalities of fetchGet*() and
fetchStat*(). In most cases, either fetchGet*() or fetchXGet*() is a wrapper
around the other; in all cases, calling fetchGet*() is identical to calling
fetchXGet*() with the second argument set to NULL.

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Introduce the (undocumented) variable fetchRestartCalls, which controls whether
or not interrupted system calls will be restarted. This fixes a bug where
fetch(1) would hang (potentially forever) if

Introduce the (undocumented) variable fetchRestartCalls, which controls whether
or not interrupted system calls will be restarted. This fixes a bug where
fetch(1) would hang (potentially forever) if a server stopped responding,
because the signal handler would absorb the user's efforts to interrupt the
transfer.

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Add (and document) fetchMakeURL()

Dump com_err, it's a stinking crock of shit.

IPv6 support.

Make HTTP_PROXY work for FTP.

Reported by: Ben Smithurst <ben@scientia.demon.co.uk>
Reviewed by: des

Reorganize some of the http code and split it into more functions.
Implement fetchStatHTTP().
Unbungle struct url, and add fetchFreeURL().
Document it.

Use sizeof more consistently.

More old uncommitted patches: implement timeouts at the protocol level.
Currently only supported for ftp connections.

$Id$ -> $FreeBSD$

Implement and document file list retrieval.

Add verbose flag, and support functions.
Brucify the Makefile.
Differentiate atime and mtime in fetch*Stat().
Fix a few pointer bugs.
Tweak some error messages.
Don't #include sys/param.h and stdio.h

Add verbose flag, and support functions.
Brucify the Makefile.
Differentiate atime and mtime in fetch*Stat().
Fix a few pointer bugs.
Tweak some error messages.
Don't #include sys/param.h and stdio.h in fetch.h.
Document that sys/param.h and stdio.h must be #included before fetch.h.

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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, modificati

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

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First of a series of cleanups to libfetch. Changed files, in
alphabetical order:

Makefile:
Add common.c to SRCS.

Make debugging easier by making 'CFLAGS += -DNDEBUG' conditional on DEBUG

Do

First of a series of cleanups to libfetch. Changed files, in
alphabetical order:

Makefile:
Add common.c to SRCS.

Make debugging easier by making 'CFLAGS += -DNDEBUG' conditional on DEBUG

Don't declare struct {ftp,http}err in {ftp,http}err.c; use struct fetcherr
instead.

README:
Remove the todo list, which is out of date anyway.

common.c: (new file)
Gather utility functions in this file.

Merge the error reporting functions intp _fetch_errstring(),
_fetch_seterr() and _fetch_syserr().

Set fetchLastErrCode and fetchLastErrText appropriately when fetchConnect
fails.

common.h: (new file)
Gather internal prototypes and structures in this files.

fetch.3:
Undocument fetchFreeURL().

Document a few more known bugs.

Document fetchLastErrCode and fetchLastErrText.

fetch.c:
Add descriptive comments to all functions that lacked them.

Move fetchConnect() to common.c.

Obviate the need for fetchFreeURL(), and remove it.

fetch.h:
Modify struct url_t so the document part is at the end.

ftp.c:
Remove code that is duplicated elsewhere.

http.c:
Remove code that is duplicated elsewhere.

Prompted by: jkh

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Commit a bunch of patches that have been accumulating:

- Fix the README to reflect the new status of the ftp code.
- Change tons of 'if (xxx < 0)' to 'if (xxx == -1)'
- Add two new interface func

Commit a bunch of patches that have been accumulating:

- Fix the README to reflect the new status of the ftp code.
- Change tons of 'if (xxx < 0)' to 'if (xxx == -1)'
- Add two new interface functions
- Fix the Makefile so it actually works (yay!)

Now the manpage is lagging even further behind... :( Next on the todo
list is to clean up the http code.

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FTP retrieve works.

Too many changes to list. Basically, FTP is nearly there and error
reporting is kinda sorted out. Now HTTP needs to catch up...

Imported libfetch into the tree. It compiles, but there's still some
work to do. I especially need help with the man page.