Implement and document fetchStatFTP.
Update description of struct url_stat in the man page.
Clean up error handling in ftp.c.

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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Bring the man page more or less up to date with the code.

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