MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

safe-ctype.h: Make code work on all targets and not just on targets where a char is 8 bits.

Browse Source 
* safe-ctype.h: Make code work on all targets and not just on
        targets where a char is 8 bits.

From-SVN: r38312
This commit is contained in:
Herman A.J. ten Brugge 2000-12-16 20:12:06 +01:00 committed by Richard Henderson
parent 68c7dea8ed
commit d092a92533
2 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/ChangeLog
View File

@ -1,3 +1,8 @@
2000-12-16 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
* safe-ctype.h: Make code work on all targets and not just on
targets where a char is 8 bits.
2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
* safe-ctype.h: New file.

11
include/safe-ctype.h
View File

@ -66,15 +66,10 @@ enum {
_sch_iscppsp = _sch_isvsp|_sch_isnvsp /* isspace + \0 */
};
/* This code fundamentally assumes that a byte is 8 bits. Test this
at compile time. */
extern int a_byte_isnt_eight_bits[(unsigned char)256 == 0 ? 1 : -1];
/* Character classification. */
extern const unsigned short _sch_istable[256];
#define _sch_test(c, bit) (_sch_istable[(int)(unsigned char)(c)] & (bit))
#define _sch_test(c, bit) (_sch_istable[(c) & 0xff] & (bit))
#define ISALPHA(c) _sch_test(c, _sch_isalpha)
#define ISALNUM(c) _sch_test(c, _sch_isalnum)
@ -98,8 +93,8 @@ extern const unsigned short _sch_istable[256];
/* Character transformation. */
extern const unsigned char _sch_toupper[256];
extern const unsigned char _sch_tolower[256];
#define TOUPPER(c) _sch_toupper[(int)(unsigned char)(c)]
#define TOLOWER(c) _sch_tolower[(int)(unsigned char)(c)]
#define TOUPPER(c) _sch_toupper[(c) & 0xff]
#define TOLOWER(c) _sch_tolower[(c) & 0xff]
#endif /* no ctype.h */
#endif /* SAFE_CTYPE_H */