]> Savannah Git Hosting - gnulib.git/commit
printf, isinf, etc.: noncanonical != NaN
authorPaul Eggert <eggert@cs.ucla.edu>
Sat, 21 Feb 2015 02:09:47 +0000 (18:09 -0800)
committerPaul Eggert <eggert@cs.ucla.edu>
Sat, 21 Feb 2015 02:10:46 +0000 (18:10 -0800)
commitbd38edc81714fc2679b02ef34033f9e15954d32f
tree239b8fb6edeb8bac9c3bb8065cd152101ce04fd4
parent12d27cace7a75301f793527a57e5ae09ed73c4ba
printf, isinf, etc.: noncanonical != NaN

Do not require that isinf, printf, etc. treat noncanonical
values as NaNs.  Instead, require only that they do not crash.
Problem reported by Joseph Myers in:
https://sourceware.org/ml/libc-alpha/2015-02/msg00244.html
* doc/posix-functions/dprintf.texi (dprintf):
* doc/posix-functions/fprintf.texi (fprintf):
* doc/posix-functions/isfinite.texi (isfinite):
* doc/posix-functions/isinf.texi (isinf):
* doc/posix-functions/isnan.texi (isnan):
* doc/posix-functions/printf.texi (printf):
* doc/posix-functions/snprintf.texi (snprintf):
* doc/posix-functions/sprintf.texi (sprintf):
* doc/posix-functions/vdprintf.texi (vdprintf):
* doc/posix-functions/vfprintf.texi (vfprintf):
* doc/posix-functions/vprintf.texi (vprintf):
* doc/posix-functions/vsnprintf.texi (vsnprintf):
* doc/posix-functions/vsprintf.texi (vsprintf):
Document this.
* m4/isfinite.m4 (gl_ISFINITEL_WORKS):
* m4/isinf.m4 (gl_ISINFL_WORKS):
* m4/isnanl.m4 (gl_FUNC_ISNANL_WORKS):
* m4/printf.m4 (gl_PRINTF_INFINITE_LONG_DOUBLE):
* tests/test-isfinite.c (test_isfinitel):
* tests/test-isinf.c (test_isinfl):
* tests/test-isnan.c (test_long_double):
* tests/test-isnanl.h (main):
* tests/test-snprintf-posix.h (test_function):
* tests/test-sprintf-posix.h (test_function):
* tests/test-vasnprintf-posix.c (test_function):
* tests/test-vasprintf-posix.c (test_function):
o Test only that noncanonical values do not cause crashes, not that
they are treated as NaNs.  In some cases this means a larger
output buffer is needed.
26 files changed:
ChangeLog
doc/posix-functions/dprintf.texi
doc/posix-functions/fprintf.texi
doc/posix-functions/isfinite.texi
doc/posix-functions/isinf.texi
doc/posix-functions/isnan.texi
doc/posix-functions/printf.texi
doc/posix-functions/snprintf.texi
doc/posix-functions/sprintf.texi
doc/posix-functions/vdprintf.texi
doc/posix-functions/vfprintf.texi
doc/posix-functions/vprintf.texi
doc/posix-functions/vsnprintf.texi
doc/posix-functions/vsprintf.texi
m4/isfinite.m4
m4/isinf.m4
m4/isnanl.m4
m4/printf.m4
tests/test-isfinite.c
tests/test-isinf.c
tests/test-isnan.c
tests/test-isnanl.h
tests/test-snprintf-posix.h
tests/test-sprintf-posix.h
tests/test-vasnprintf-posix.c
tests/test-vasprintf-posix.c