Added several type casts for C++ compilation. ZOOM fixes.

[yaz-moved-to-github.git] / util / siconv.c

diff --git a/util/siconv.c b/util/siconv.c
index 9c28d18..8bbc4ed 100644 (file)
--- a/util/siconv.c
+++ b/util/siconv.c
@@ -2,7 +2,7 @@
  * Copyright (c) 1997-2002, Index Data
  * See the file LICENSE for details.
  *
- * $Id: siconv.c,v 1.2 2002-08-27 21:45:28 adam Exp $
+ * $Id: siconv.c,v 1.5 2002-09-24 08:05:41 adam Exp $
  */
 
 /* mini iconv and wrapper for system iconv library (if present) */
@@ -188,50 +188,50 @@ static unsigned long yaz_read_UCS4LE (yaz_iconv_t cd, unsigned char *inp,
 static size_t yaz_write_UTF8 (yaz_iconv_t cd, unsigned long x,
                               char **outbuf, size_t *outbytesleft)
 {
-    unsigned char *outp = *outbuf;
+    unsigned char *outp = (unsigned char *) *outbuf;
     if (x <= 0x7f && *outbytesleft >= 1)
     {
-        *outp++ = x;
+        *outp++ = (unsigned char) x;
         (*outbytesleft)--;
     } 
     else if (x <= 0x7ff && *outbytesleft >= 2)
     {
-        *outp++ = (x >> 6) | 0xc0;
-        *outp++ = (x & 0x3f) | 0x80;
+        *outp++ = (unsigned char) ((x >> 6) | 0xc0);
+        *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
         (*outbytesleft) -= 2;
     }
     else if (x <= 0xffff && *outbytesleft >= 3)
     {
-        *outp++ = (x >> 12) | 0xe0;
-        *outp++ = ((x >> 6) & 0x3f) | 0x80;
-        *outp++ = (x & 0x3f) | 0x80;
+        *outp++ = (unsigned char) ((x >> 12) | 0xe0);
+        *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
+        *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
         (*outbytesleft) -= 3;
     }
     else if (x <= 0x1fffff && *outbytesleft >= 4)
     {
-        *outp++ = (x >> 18) | 0xf0;
-        *outp++ = ((x >> 12) & 0x3f) | 0x80;
-        *outp++ = ((x >> 6)  & 0x3f) | 0x80;
-        *outp++ = (x & 0x3f) | 0x80;
+        *outp++ = (unsigned char) ((x >> 18) | 0xf0);
+        *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
+        *outp++ = (unsigned char) (((x >> 6)  & 0x3f) | 0x80);
+        *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
         (*outbytesleft) -= 4;
     }
     else if (x <= 0x3ffffff && *outbytesleft >= 5)
     {
-        *outp++ = (x >> 24) | 0xf8;
-        *outp++ = ((x >> 18) & 0x3f) | 0x80;
-        *outp++ = ((x >> 12) & 0x3f) | 0x80;
-        *outp++ = ((x >> 6)  & 0x3f) | 0x80;
-        *outp++ = (x & 0x3f) | 0x80;
+        *outp++ = (unsigned char) ((x >> 24) | 0xf8);
+        *outp++ = (unsigned char) (((x >> 18) & 0x3f) | 0x80);
+        *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
+        *outp++ = (unsigned char) (((x >> 6)  & 0x3f) | 0x80);
+        *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
         (*outbytesleft) -= 5;
     }
     else if (*outbytesleft >= 6)
     {
-        *outp++ = (x >> 30) | 0xfc;
-        *outp++ = ((x >> 24) & 0x3f) | 0x80;
-        *outp++ = ((x >> 18) & 0x3f) | 0x80;
-        *outp++ = ((x >> 12) & 0x3f) | 0x80;
-        *outp++ = ((x >> 6)  & 0x3f) | 0x80;
-        *outp++ = (x & 0x3f) | 0x80;
+        *outp++ = (unsigned char) ((x >> 30) | 0xfc);
+        *outp++ = (unsigned char) (((x >> 24) & 0x3f) | 0x80);
+        *outp++ = (unsigned char) (((x >> 18) & 0x3f) | 0x80);
+        *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
+        *outp++ = (unsigned char) (((x >> 6)  & 0x3f) | 0x80);
+        *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
         (*outbytesleft) -= 6;
     }
     else 
@@ -239,14 +239,14 @@ static size_t yaz_write_UTF8 (yaz_iconv_t cd, unsigned long x,
         cd->my_errno = YAZ_ICONV_E2BIG;  /* not room for output */
         return (size_t)(-1);
     }
-    *outbuf = outp;
+    *outbuf = (char *) outp;
     return 0;
 }
 
 static size_t yaz_write_ISO8859_1 (yaz_iconv_t cd, unsigned long x,
                                    char **outbuf, size_t *outbytesleft)
 {
-    unsigned char *outp = *outbuf;
+    unsigned char *outp = (unsigned char *) *outbuf;
     if (x > 255 || x < 1)
     {
         cd->my_errno = YAZ_ICONV_EILSEQ;
@@ -254,7 +254,7 @@ static size_t yaz_write_ISO8859_1 (yaz_iconv_t cd, unsigned long x,
     }
     else if (*outbytesleft >= 1)
     {
-        *outp++ = x;
+        *outp++ = (unsigned char) x;
         (*outbytesleft)--;
     }
     else 
@@ -262,7 +262,7 @@ static size_t yaz_write_ISO8859_1 (yaz_iconv_t cd, unsigned long x,
         cd->my_errno = YAZ_ICONV_E2BIG;
         return (size_t)(-1);
     }
-    *outbuf = outp;
+    *outbuf = (char *) outp;
     return 0;
 }
 
@@ -270,13 +270,13 @@ static size_t yaz_write_ISO8859_1 (yaz_iconv_t cd, unsigned long x,
 static size_t yaz_write_UCS4 (yaz_iconv_t cd, unsigned long x,
                               char **outbuf, size_t *outbytesleft)
 {
-    unsigned char *outp = *outbuf;
+    unsigned char *outp = (unsigned char *) *outbuf;
     if (*outbytesleft >= 4)
     {
-        *outp++ = x<<24;
-        *outp++ = x<<16;
-        *outp++ = x<<8;
-        *outp++ = x;
+        *outp++ = (unsigned char) (x<<24);
+        *outp++ = (unsigned char) (x<<16);
+        *outp++ = (unsigned char) (x<<8);
+        *outp++ = (unsigned char) x;
         (*outbytesleft) -= 4;
     }
     else
@@ -284,20 +284,20 @@ static size_t yaz_write_UCS4 (yaz_iconv_t cd, unsigned long x,
         cd->my_errno = YAZ_ICONV_E2BIG;
         return (size_t)(-1);
     }
-    *outbuf = outp;
+    *outbuf = (char *) outp;
     return 0;
 }
 
 static size_t yaz_write_UCS4LE (yaz_iconv_t cd, unsigned long x,
                                 char **outbuf, size_t *outbytesleft)
 {
-    unsigned char *outp = *outbuf;
+    unsigned char *outp = (unsigned char *) *outbuf;
     if (*outbytesleft >= 4)
     {
-        *outp++ = x;
-        *outp++ = x<<8;
-        *outp++ = x<<16;
-        *outp++ = x<<24;
+        *outp++ = (unsigned char) x;
+        *outp++ = (unsigned char) (x<<8);
+        *outp++ = (unsigned char) (x<<16);
+        *outp++ = (unsigned char) (x<<24);
         (*outbytesleft) -= 4;
     }
     else
@@ -305,13 +305,13 @@ static size_t yaz_write_UCS4LE (yaz_iconv_t cd, unsigned long x,
         cd->my_errno = YAZ_ICONV_E2BIG;
         return (size_t)(-1);
     }
-    *outbuf = outp;
+    *outbuf = (char *) outp;
     return 0;
 }
 
 yaz_iconv_t yaz_iconv_open (const char *tocode, const char *fromcode)
 {
-    yaz_iconv_t cd = xmalloc (sizeof(*cd));
+    yaz_iconv_t cd = (yaz_iconv_t) xmalloc (sizeof(*cd));
 
     cd->write_handle = 0;
     cd->read_handle = 0;
@@ -404,17 +404,13 @@ size_t yaz_iconv (yaz_iconv_t cd, char **inbuf, size_t *inbytesleft,
         if (cd->init_handle)
         {
             size_t no_read;
-            size_t r = (cd->init_handle)(cd, *inbuf, *inbytesleft, &no_read);
+            size_t r = (cd->init_handle)(cd, (unsigned char *) *inbuf,
+                                         *inbytesleft, &no_read);
             if (r)
             {
                 if (cd->my_errno == YAZ_ICONV_EINVAL)
                     return r;
                 cd->init_flag = 0;
-                if (cd->my_errno == YAZ_ICONV_EILSEQ)
-                {
-                    *inbytesleft++;
-                    (*inbuf)++;
-                }
                 return r;
             }
             *inbytesleft -= no_read;
@@ -433,7 +429,8 @@ size_t yaz_iconv (yaz_iconv_t cd, char **inbuf, size_t *inbytesleft,
             break;
         }
         
-        x = (cd->read_handle)(cd, *inbuf, *inbytesleft, &no_read);
+        x = (cd->read_handle)(cd, (unsigned char *) *inbuf, *inbytesleft,
+                              &no_read);
         if (no_read == 0)
         {
             r = (size_t)(-1);