Mercurial > gnulib
changeset 10100:369c11a9858d
avoid a warning from gcc
* lib/vasnprintf.c (IF_LINT): Define.
(scale10_round_decimal_long_double):
Use it to avoid a "may be used uninitialized" warning.
| author | Jim Meyering <meyering@redhat.com> |
|---|---|
| date | Wed, 21 May 2008 18:38:12 +0200 |
| parents | 28dbe341d2b2 |
| children | daad35fae43c |
| files | ChangeLog lib/vasnprintf.c |
| diffstat | 2 files changed, 15 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog Tue May 20 15:06:25 2008 +0200 +++ b/ChangeLog Wed May 21 18:38:12 2008 +0200 @@ -1,3 +1,10 @@ +2008-05-21 Jim Meyering <meyering@redhat.com> + + avoid a warning from gcc + * lib/vasnprintf.c (IF_LINT): Define. + (scale10_round_decimal_long_double): + Use it to avoid a "may be used uninitialized" warning. + 2008-05-21 Simon Josefsson <simon@josefsson.org> * m4/memcmp.m4: When cross-compiling, assume memcmp works if it is
--- a/lib/vasnprintf.c Tue May 20 15:06:25 2008 +0200 +++ b/lib/vasnprintf.c Wed May 21 18:38:12 2008 +0200 @@ -117,6 +117,13 @@ # include "fpucw.h" #endif +/* Use this to suppress gcc's `...may be used before initialized' warnings. */ +#ifdef lint +# define IF_LINT(Code) Code +#else +# define IF_LINT(Code) /* empty */ +#endif + #if HAVE_WCHAR_T # if HAVE_WCSLEN # define local_wcslen wcslen @@ -1205,7 +1212,7 @@ static char * scale10_round_decimal_long_double (long double x, int n) { - int e; + int e IF_LINT(= 0); mpn_t m; void *memory = decode_long_double (x, &e, &m); return scale10_round_decimal_decoded (e, m, memory, n);