]> arthur.barton.de Git - netatalk.git/blobdiff - bin/uniconv/iso8859_1_adapted.c
- merge branch-netatalk-afp-3x-dev, HEAD was tagged before
[netatalk.git] / bin / uniconv / iso8859_1_adapted.c
diff --git a/bin/uniconv/iso8859_1_adapted.c b/bin/uniconv/iso8859_1_adapted.c
new file mode 100644 (file)
index 0000000..38e7d33
--- /dev/null
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+/* 
+   iso-8859-1.adapted conversion routines
+   Copyright (C) Bjoern Fernhomberg 2002,2003
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <netatalk/endian.h>
+#include <atalk/unicode.h>
+#include <atalk/logger.h>
+
+#include "../../libatalk/unicode/byteorder.h"
+
+static size_t   iso8859_adapted_pull(void *,char **, size_t *, char **, size_t *);
+static size_t   iso8859_adapted_push(void *,char **, size_t *, char **, size_t *);
+
+struct charset_functions charset_iso8859_adapted =
+{
+       "ISO-8859-ADAPTED",
+       0,
+       iso8859_adapted_pull,
+       iso8859_adapted_push,
+       CHARSET_MULTIBYTE | CHARSET_PRECOMPOSED,
+       NULL,
+       NULL, NULL
+};
+
+
+/* ------------------------ 
+ * from unicode to iso8859_adapted code page
+*/
+
+static size_t iso8859_adapted_push( void *cd _U_, char **inbuf, size_t *inbytesleft,
+                         char **outbuf, size_t *outbytesleft)
+{
+    int len = 0;
+
+    while (*inbytesleft >= 2 && *outbytesleft >= 1) {
+       ucs2_t inptr = SVAL((*inbuf),0);
+        if ( inptr == 0x2122) {
+                SSVAL((*outbuf),0,0xAA);
+        }
+        else if ( inptr == 0x0192) {
+                SSVAL((*outbuf),0,0xC5);
+        }
+        else if ( inptr == 0x2014) {
+                SSVAL((*outbuf),0,0xD1);
+        }
+        else if ( inptr == 0x201C) {
+                SSVAL((*outbuf),0,0xD2);
+        }
+        else if ( inptr == 0x201D) {
+                SSVAL((*outbuf),0,0xD3);
+        }
+        else if ( inptr == 0x2018) {
+                SSVAL((*outbuf),0,0xD4);
+        }
+        else if ( inptr == 0x2019) {
+                SSVAL((*outbuf),0,0xD5);
+        }
+        else if ( inptr == 0x25CA) {
+                SSVAL((*outbuf),0,0xD7);
+        }
+       else if ( inptr > 0x0100) {
+               errno = EILSEQ;
+               return -1;
+        }
+       else {
+               SSVAL((*outbuf), 0, inptr);
+       }
+        (*inbuf)        +=2;
+        (*outbuf)       +=1;
+        (*inbytesleft) -=2;
+        (*outbytesleft)-=1;
+        len++;
+    }
+
+    if (*inbytesleft > 0) {
+        errno = E2BIG;
+        return -1;
+    }
+
+    return len;
+}
+
+/* ------------------------ */
+static size_t iso8859_adapted_pull ( void *cd _U_, char **inbuf, size_t *inbytesleft,
+                         char **outbuf, size_t *outbytesleft)
+{
+    unsigned char  *inptr;
+    size_t         len = 0;
+
+    while (*inbytesleft >= 1 && *outbytesleft >= 2) {
+        inptr = (unsigned char *) *inbuf;
+
+       if ( *inptr == 0xAA) {
+               SSVAL((*outbuf),0,0x2122);
+       }
+       else if ( *inptr == 0xC5) {
+               SSVAL((*outbuf),0,0x0192);
+       }
+       else if ( *inptr == 0xD1) {
+               SSVAL((*outbuf),0,0x2014);
+       }
+       else if ( *inptr == 0xD2) {
+               SSVAL((*outbuf),0,0x201C);
+       }
+       else if ( *inptr == 0xD3) {
+               SSVAL((*outbuf),0,0x201D);
+       }
+       else if ( *inptr == 0xD4) {
+               SSVAL((*outbuf),0,0x2018);
+       }
+       else if ( *inptr == 0xD5) {
+               SSVAL((*outbuf),0,0x2019);
+       }
+       else if ( *inptr == 0xD7) {
+               SSVAL((*outbuf),0,0x25CA);
+       }
+       else {
+               SSVAL((*outbuf),0,(*inptr));
+       }
+        (*outbuf)      +=2;
+       (*outbytesleft)-=2;
+        (*inbuf)        +=1;
+       (*inbytesleft) -=1;
+       len++;
+    }
+
+    if (*inbytesleft > 0) {
+        errno = E2BIG;
+        return (size_t) -1;
+    }
+    return len;
+}
+