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author | rsc <devnull@localhost> | 2004-02-29 22:11:15 +0000 |
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committer | rsc <devnull@localhost> | 2004-02-29 22:11:15 +0000 |
commit | 91c13e54b5d631b65e2f8344d5e0abd058f78ba1 (patch) | |
tree | 81d77fc6a74f182543603032462e865e34e43335 /src/lib9/utf/utfecpy.c | |
parent | 5a8e63b2f016735364d17866d5e2bcb35d20c78b (diff) | |
download | plan9port-91c13e54b5d631b65e2f8344d5e0abd058f78ba1.tar.gz plan9port-91c13e54b5d631b65e2f8344d5e0abd058f78ba1.tar.bz2 plan9port-91c13e54b5d631b65e2f8344d5e0abd058f78ba1.zip |
Move utf, fmt. Small header file changes.
Diffstat (limited to 'src/lib9/utf/utfecpy.c')
-rw-r--r-- | src/lib9/utf/utfecpy.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/lib9/utf/utfecpy.c b/src/lib9/utf/utfecpy.c new file mode 100644 index 00000000..57159350 --- /dev/null +++ b/src/lib9/utf/utfecpy.c @@ -0,0 +1,36 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +char* +utfecpy(char *to, char *e, char *from) +{ + char *end; + + if(to >= e) + return to; + end = memccpy(to, from, '\0', e - to); + if(end == nil){ + end = e-1; + while(end>to && (*--end&0xC0)==0x80) + ; + *end = '\0'; + }else{ + end--; + } + return end; +} |