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Technically for sfeed_atom this violates the RFC standard. There must be an
author in the feed or for an item. However sfeed is not the author, it is a
generator. All readers will read these feeds anyway.
https://www.rfc-editor.org/rfc/rfc4287#section-4.1.1
"atom:feed elements MUST contain one or more atom:author elements, unless all of
the atom:feed element's child atom:entry elements contain at least one
atom:author element." *shrug*
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Save a few bytes in the output by removing it.
https://www.rfc-editor.org/rfc/rfc4287
3.1.1. The "type" Attribute
The title is an atomTextConstruct.
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This reverts commit db1dcafd03997127f2cbc82376e2cc8df9b77356.
This is needed. Tested on an (old) Slackware 11 install.
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This include is not needed. It was intended for ssize_t but this is already
defined by stdio.h for getline().
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This will detect write errors sooner.
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This also makes the programs exit with a non-zero status when a read or write
error occurs.
This makes checking the exit status more reliable in scripts.
A simple example to simulate a disk with no space left:
curl -s 'https://codemadness.org/atom.xml' | sfeed > f
/mnt/test: write failed, file system is full
echo $?
0
Which now produces:
curl -s 'https://codemadness.org/atom.xml' | sfeed > f
/mnt/test: write failed, file system is full
write error: <stdout>
echo $?
1
Tested with a small mfs on OpenBSD, fstab entry:
swap /mnt/test mfs rw,nodev,nosuid,-s=1M 0 0
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Use errx, time(NULL) does not set errno. For sfeed_curses reset errno so it
doesn't print a random error if it failed.
POSIX recommends checking against (time_t)-1 on failure.
Note that some implementation, like the OpenBSD man page says time() cannot
fail.
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No functional or performance difference (intended) because these programs are
not threaded.
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These are BSD functions.
- HaikuOS now compiles without having to use libbsd.
- Tested on SerenityOS (for fun), which doesn't have these functions (yet).
With a small change to support wcwidth() sfeed works on SerenityOS.
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... if it is missing/invalid.
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Timezone should be GMT (as intended), do not convert to localtime.
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- Set mandatory entry tags: id, updated.
- Change entry published (optional tag) to updated (mandatory).
- Add <feed> tags: author name, id, updated, title.
Thanks lich for the feedback and testing.
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- remove a check that has no use/can never happen.
- remove the return value as it's unused and the input size is known.
- fix an old comment that doesn't reflect what the function does anymore.
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