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fgetwln: Add comment about lack of getwline(3) for recommendation

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Ideally we'd recommend getwline(3), but unfortunately even though it
was part of the ISO/IEC TR 24731-2:2010 draft, it did not make it into
C11 and is not widely implemented.
This commit is contained in:
Guillem Jover 2022-08-24 01:58:58 +02:00
parent a14612d968
commit be327c6ebe
1 changed files with 3 additions and 0 deletions
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src/fgetwln.c
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@ -87,6 +87,9 @@ fgetwln(FILE *stream, size_t *lenp)
*lenp = wused;
return wused ? fb->wbuf : NULL;
}
/* XXX: Ideally we'd recommend getwline(3), but unfortunately even though it
* was part of the ISO/IEC TR 24731-2:2010 draft, it did not make it into C11
* and is not widely implemented. */
libbsd_link_warning(fgetwln,
"The fgetwln() function cannot be safely ported, use fgetwc(3) "
"instead, as it is supported by C99 and POSIX.1-2001.");