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Cast to unsigned isn't enough in the isXXXX macros (chars > 127 caused a negative array index). With a cast to unsigned char, the macros work as expected. The other macros were changed accordingly.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7305 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Magnus Holmgren 2005-08-11 19:32:39 +00:00
parent dc4a6b828e
commit 889ab162a5
1 changed files with 14 additions and 14 deletions
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28
firmware/include/ctype.h
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@ -43,29 +43,29 @@ extern const unsigned char _ctype_[257];
#endif
#ifndef __cplusplus
#define isalpha(c) ((_ctype_+1)[(unsigned)(c)]&(_U|_L))
#define isupper(c) ((_ctype_+1)[(unsigned)(c)]&_U)
#define islower(c) ((_ctype_+1)[(unsigned)(c)]&_L)
#define isdigit(c) ((_ctype_+1)[(unsigned)(c)]&_N)
#define isxdigit(c) ((_ctype_+1)[(unsigned)(c)]&(_X|_N))
#define isspace(c) ((_ctype_+1)[(unsigned)(c)]&_S)
#define ispunct(c) ((_ctype_+1)[(unsigned)(c)]&_P)
#define isalnum(c) ((_ctype_+1)[(unsigned)(c)]&(_U|_L|_N))
#define isprint(c) ((_ctype_+1)[(unsigned)(c)]&(_P|_U|_L|_N|_B))
#define isgraph(c) ((_ctype_+1)[(unsigned)(c)]&(_P|_U|_L|_N))
#define iscntrl(c) ((_ctype_+1)[(unsigned)(c)]&_C)
#define isalpha(c) ((_ctype_+1)[(unsigned char)(c)]&(_U|_L))
#define isupper(c) ((_ctype_+1)[(unsigned char)(c)]&_U)
#define islower(c) ((_ctype_+1)[(unsigned char)(c)]&_L)
#define isdigit(c) ((_ctype_+1)[(unsigned char)(c)]&_N)
#define isxdigit(c) ((_ctype_+1)[(unsigned char)(c)]&(_X|_N))
#define isspace(c) ((_ctype_+1)[(unsigned char)(c)]&_S)
#define ispunct(c) ((_ctype_+1)[(unsigned char)(c)]&_P)
#define isalnum(c) ((_ctype_+1)[(unsigned char)(c)]&(_U|_L|_N))
#define isprint(c) ((_ctype_+1)[(unsigned char)(c)]&(_P|_U|_L|_N|_B))
#define isgraph(c) ((_ctype_+1)[(unsigned char)(c)]&(_P|_U|_L|_N))
#define iscntrl(c) ((_ctype_+1)[(unsigned char)(c)]&_C)
/* Non-gcc versions will get the library versions, and will be
slightly slower */
#ifdef __GNUC__
# define toupper(c) \
__extension__ ({ int __x = (c); islower(__x) ? (__x - 'a' + 'A') : __x;})
__extension__ ({ int __x = (unsigned char) (c); islower(__x) ? (__x - 'a' + 'A') : __x;})
# define tolower(c) \
__extension__ ({ int __x = (c); isupper(__x) ? (__x - 'A' + 'a') : __x;})
__extension__ ({ int __x = (unsigned char) (c); isupper(__x) ? (__x - 'A' + 'a') : __x;})
#endif
#endif /* !__cplusplus */
#ifndef __STRICT_ANSI__
#define isascii(c) ((unsigned)(c)<=0177)
#define isascii(c) ((unsigned char)(c)<=0177)
#define toascii(c) ((c)&0177)
#endif