e0b123f6d0
Final word is Bruce's quote:
C9x specifies the BSD4.4-Lite behaviour:
[#3] ... Thus, the
null-terminated output has been completely written if and
only if the returned value is less than n.
It means that if we not have any null-terminated output as for n == 0
we can't return value less than n, so we forced to return value
equal to n i.e. 0
The next good thing is glibc compatibility, of course.
2) Do check for too big n in machine-independent way.
3) Minor optimization assuming EOF is < 0
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| .. | ||
| compat | ||
| csu/i386 | ||
| libalias | ||
| libc | ||
| libc_r | ||
| libcalendar | ||
| libcom_err | ||
| libcompat | ||
| libcrypt | ||
| libcurses | ||
| libdisk | ||
| libedit | ||
| libf2c | ||
| libF77 | ||
| libftpio | ||
| libgnumalloc | ||
| libI77 | ||
| libipx | ||
| libkse | ||
| libkvm | ||
| libm | ||
| libmd | ||
| libmytinfo | ||
| libncurses | ||
| libopie | ||
| libpam/modules | ||
| libpcap | ||
| libpthread | ||
| libresolv | ||
| librpcsvc | ||
| libscsi | ||
| libskey | ||
| libss | ||
| libtcl | ||
| libtelnet | ||
| libtermcap | ||
| libutil | ||
| libvgl | ||
| libxpg4 | ||
| liby | ||
| libz | ||
| msun | ||
| ncurses/ncurses | ||
| Makefile | ||
| Makefile.inc | ||