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| author | rsc <devnull@localhost> | 2003-09-30 17:47:41 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2003-09-30 17:47:41 +0000 |
| commit | b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4 (patch) | |
| tree | f382987fec33cf639d75b1fe1b5d76b8f155d074 /include/utf.h | |
| parent | 5f7d5e8d1899f41b0e5366c0251530ea1dc753d0 (diff) | |
| download | plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.tar.gz plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.tar.bz2 plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.zip | |
Initial revision
Diffstat (limited to 'include/utf.h')
| -rw-r--r-- | include/utf.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/utf.h b/include/utf.h new file mode 100644 index 00000000..623bfda9 --- /dev/null +++ b/include/utf.h @@ -0,0 +1,51 @@ +#ifndef _UTFH_ +#define _UTFH_ 1 + +typedef unsigned short Rune; /* 16 bits */ + +enum +{ + UTFmax = 3, /* maximum bytes per rune */ + Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */ + Runeself = 0x80, /* rune and UTF sequences are the same (<) */ + Runeerror = 0x80, /* decoding error in UTF */ +}; + +/* + * rune routines + */ +extern int runetochar(char*, Rune*); +extern int chartorune(Rune*, char*); +extern int runelen(long); +extern int runenlen(Rune*, int); +extern int fullrune(char*, int); +extern int utflen(char*); +extern int utfnlen(char*, long); +extern char* utfrune(char*, long); +extern char* utfrrune(char*, long); +extern char* utfutf(char*, char*); +extern char* utfecpy(char*, char*, char*); + +extern Rune* runestrcat(Rune*, Rune*); +extern Rune* runestrchr(Rune*, Rune); +extern int runestrcmp(Rune*, Rune*); +extern Rune* runestrcpy(Rune*, Rune*); +extern Rune* runestrncpy(Rune*, Rune*, long); +extern Rune* runestrecpy(Rune*, Rune*, Rune*); +extern Rune* runestrdup(Rune*); +extern Rune* runestrncat(Rune*, Rune*, long); +extern int runestrncmp(Rune*, Rune*, long); +extern Rune* runestrrchr(Rune*, Rune); +extern long runestrlen(Rune*); +extern Rune* runestrstr(Rune*, Rune*); + +extern Rune tolowerrune(Rune); +extern Rune totitlerune(Rune); +extern Rune toupperrune(Rune); +extern int isalpharune(Rune); +extern int islowerrune(Rune); +extern int isspacerune(Rune); +extern int istitlerune(Rune); +extern int isupperrune(Rune); + +#endif |