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author | Adam <you@example.com> | 2020-05-17 05:51:50 +0200 |
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committer | Adam <you@example.com> | 2020-05-17 05:51:50 +0200 |
commit | e611b132f9b8abe35b362e5870b74bce94a1e58e (patch) | |
tree | a5781d2ec0e085eeca33cf350cf878f2efea6fe5 /private/crt32/mbstring/ismbdgt.c | |
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Diffstat (limited to 'private/crt32/mbstring/ismbdgt.c')
-rw-r--r-- | private/crt32/mbstring/ismbdgt.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/private/crt32/mbstring/ismbdgt.c b/private/crt32/mbstring/ismbdgt.c new file mode 100644 index 000000000..e5733261e --- /dev/null +++ b/private/crt32/mbstring/ismbdgt.c @@ -0,0 +1,60 @@ +/*** +*ismbdgt.c - Test if character is a digit (MBCS) +* +* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved. +* +*Purpose: +* Test if character is a digit (MBCS) +* +*Revision History: +* 11-19-92 KRS Ported from 16-bit sources. +* +*******************************************************************************/ + +#ifdef _MBCS +#include <cruntime.h> +#include <ctype.h> +#include <mbdata.h> +#include <mbctype.h> +#include <mbstring.h> + +/*** +* _ismbcdigit - Test if character is a digit (MBCS) +* +*Purpose: +* Tests the character to see if it is a digit. +* Handles MBCS chars correctly. +* +* Note: Use test against 0x00FF instead of _ISLEADBYTE +* to ensure that we don't call SBCS routine with a two-byte +* value. +* +*Entry: +* unsigned int *c = character to test +* +*Exit: +* Returns TRUE if character is a digit, else FALSE +* +*Exceptions: +* +*******************************************************************************/ + +int _CRTAPI1 _ismbcdigit(c) +unsigned int c; +{ + + if (c > 0x00FF) + +#ifdef _MBCS_OS + return (0); +#else + if (_mbascii) + return ((c >= _MBDIGITLOW) && (c <= _MBDIGITHIGH)); + else + return (0); +#endif + + else + return (isdigit(c)); +} +#endif /* _MBCS */ |