X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Futf8.c;h=7e294d4c0ba1f0f54fc684edd7dae683ba3efcde;hb=3c287bc1d48ee6a1f300054c2cebd0ba312bd5b9;hp=ea1a5b06b01d957a452c2da4daaf5ef94d23dafa;hpb=43a9d38d20c1b1bcd1a03b2445a501d27526bd35;p=yaz-moved-to-github.git

diff --git a/src/utf8.c b/src/utf8.c
index ea1a5b0..7e294d4 100644
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -14,7 +14,6 @@
 #include <assert.h>
 #include <errno.h>
 #include <string.h>
-#include <ctype.h>
 
 #include "iconv-p.h"
 
@@ -240,7 +239,25 @@ yaz_iconv_decoder_t yaz_utf8_decoder(const char *fromcode,
     }
     return 0;
 }
-   
+
+int yaz_utf8_check(const char *str)
+{
+    /* cast OK: yaz_read_UTF8_char is read-only */
+    unsigned char *inp = (unsigned char *) str;
+    size_t inbytesleft = strlen(str);
+
+    while (inbytesleft)
+    {
+        int error = 0;
+        size_t no_read;
+        yaz_read_UTF8_char(inp, inbytesleft, &no_read, &error);
+        if (error)
+            return 0;
+        inp += no_read;
+        inbytesleft -= no_read;
+    }
+    return 1;
+}   
 
 /*
  * Local variables: