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| author | Rich Felker <dalias@aerifal.cx> | 2015-05-02 21:17:19 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2015-05-02 21:19:08 -0400 |
| commit | d0040e239e8d3048a7fb38f0bacaad4838fac605 (patch) | |
| tree | 06073a41aeaf4c09a24efb9d6829e58379ef61ca /include/wctype.h | |
| parent | 7fe273b2c163e4594221375120c6ce209a783262 (diff) | |
| download | musl-d0040e239e8d3048a7fb38f0bacaad4838fac605.tar.gz | |
improve iswdigit macro to diagnose errors
this is analogous to commit 2ca55a93f2a11185d72dcb69006fd2c30b5c3144
for the macros in ctype.h.
Diffstat (limited to 'include/wctype.h')
| -rw-r--r-- | include/wctype.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/wctype.h b/include/wctype.h index 3da12195..bc2420d3 100644 --- a/include/wctype.h +++ b/include/wctype.h @@ -45,7 +45,7 @@ wctype_t wctype(const char *); #ifndef __cplusplus #undef iswdigit -#define iswdigit(a) (((unsigned)(a)-L'0') < 10) +#define iswdigit(a) (0 ? iswdigit(a) : ((unsigned)(a)-'0') < 10) #endif #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ |