Mercurial > hg
view mcabber/src/utf8.c @ 28:0cd8025eebee
[/trunk] Changeset 44 by mikael
* Some more fixes.
* We can now build with GNU99 gcc extensions.
author | mikael |
---|---|
date | Mon, 28 Mar 2005 10:36:47 +0000 |
parents | e88b15cbf2de |
children | f78ffe7ce43d |
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#include <stdlib.h> #include <string.h> #include "utf8.h" /* Desc: convert UTF8 -> ASCII * * In : UTF8 string * Out : ASCII string * * Note: it is up to the caller to free the returned string */ char *utf8_decode(const char *src) { char *ret = calloc(1, strlen(src) + 1); char *aux = ret; while (*src) { unsigned char lead = *src++; if ((lead & 0xe0) == 0xc0) { unsigned char ch2 = *src++; *aux = ((lead & 0x1f) << 6) | (ch2 & 0x3f); } else { *aux = lead; } aux++; } return ret; } /* Desc: convert ASCII -> UTF8 * * In : ASCII string * Out : UTF8 string * * Note: it is up to the caller to free the returned string */ char *utf8_encode(const char *src) { char *ret = calloc(1, (strlen(src) * 2) + 1); char *aux = ret; while (*src) { unsigned char ch = *src++; if (ch < 0x80) { *aux = ch; } else { /* if (ch < 0x800) { */ *aux++ = 0xc0 | (ch >> 6 & 0x1f); *aux = 0xc0 | (0x80 | (ch & 0x3f)); } aux++; } return ret; }