Mercurial > hg > octave-nkf > gnulib-hg
changeset 8465:a33d54e4e24f
Fix a portability problem on x86.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sat, 17 Mar 2007 20:07:01 +0000 |
| parents | 2caaf6f17c1d |
| children | c9b54316f274 |
| files | ChangeLog lib/vasnprintf.c |
| diffstat | 2 files changed, 12 insertions(+), 2 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2007-03-17 Bruno Haible <bruno@clisp.org> + + * lib/vasnprintf.c (VASNPRINTF): Clear out the memory used for arg_mem + before comparing it. Needed because on some platforms (e.g. x86) a + 'long double' occupies less bytes than sizeof (long double). + 2007-03-17 Bruno Haible <bruno@clisp.org> * tests/test-crc.c (main): Make printf statements 64-bit clean.
--- a/lib/vasnprintf.c +++ b/lib/vasnprintf.c @@ -419,7 +419,9 @@ { /* Distinguish 0.0L and -0.0L. */ static long double plus_zero = 0.0L; - long double arg_mem = arg; + long double arg_mem; + memset (&arg_mem, 0, sizeof (long double)); + arg_mem = arg; if (memcmp (&plus_zero, &arg_mem, sizeof (long double)) != 0) { sign = -1; @@ -567,7 +569,9 @@ { /* Distinguish 0.0 and -0.0. */ static double plus_zero = 0.0; - double arg_mem = arg; + double arg_mem; + memset (&arg_mem, 0, sizeof (double)); + arg_mem = arg; if (memcmp (&plus_zero, &arg_mem, sizeof (double)) != 0) { sign = -1;