From cfcbea1e4373ad5db085f7efed302e6f229e2171 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Mon, 21 Feb 2011 15:43:26 -0500 Subject: remove sample utf-8 code that's not part of the standard library --- src/multibyte/decode.c | 47 ----------------------------------------------- 1 file changed, 47 deletions(-) delete mode 100644 src/multibyte/decode.c (limited to 'src/multibyte/decode.c') diff --git a/src/multibyte/decode.c b/src/multibyte/decode.c deleted file mode 100644 index 8d3d3c0b..00000000 --- a/src/multibyte/decode.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * This code was written by Rich Felker in 2010; no copyright is claimed. - * This code is in the public domain. Attribution is appreciated but - * unnecessary. - */ - -#include -#include -#include -#include - -#include "internal.h" - -/* Decodes UTF-8 byte-by-byte. The c argument must be initialized to 0 - * to begin decoding; when finished it will contain the Unicode scalar - * value decoded. Return value is 1 if finished, 0 if in-progress, and - * -1 if an invalid sequence was encountered. After an invalid sequence, - * the state (in c) automatically resets to 0 if a continuation byte was - * expected to facilitate a calling idiom of immediately retrying a - * failed decode call after processing the invalid sequence. If the - * second try fails, the byte is invalid as a starter as well. - * - * A trivial usage idiom is: - * while (src=0) 1[dst+=n]=0, src++; - */ - -int decode(unsigned *c, unsigned b) -{ - if (!*c) { - if (b < 0x80) { - *c = b; - return 1; - } else if (b-SA >= SB-SA) { - *c = FAILSTATE; - return -1; - } - *c = bittab[b-SA]; - return 0; - } - - if (OOB(*c,b)) { - *c = 0; - return -1; - } - *c = *c<<6 | b-0x80; - return !(*c&(1U<<31)); -} -- cgit v1.2.1