Move IA5_7BIT_decode to strutil.c

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@30669 f5534014-38df-0310-8fa8-9805f1628bb7

1 files changed, 54 insertions, 0 deletions

diff --git a/epan/strutil.c b/epan/strutil.c
index d3e2d19522..b2a77f54c7 100644
--- a/epan/strutil.c
+++ b/epan/strutil.c
@@ -1023,3 +1023,57 @@ escape_string(char *buf, const char *string)
   *bufp = '\0';
   return buf;
 }
+
+#define GN_CHAR_ALPHABET_SIZE 128
+
+static gunichar IA5_default_alphabet[GN_CHAR_ALPHABET_SIZE] = {
+
+    /*ITU-T recommendation T.50 specifies International Reference Alphabet 5 (IA5) */
+
+    '?', '?', '?', '?', '?', '?', '?', '?',
+    '?', '?', '?', '?', '?', '?', '?', '?',
+    '?', '?', '?', '?', '?', '?', '?', '?',
+    '?', '?', '?', '?', '?', '?', '?', '?',
+    ' ', '!', '\"','#', '$', '%', '&', '\'',
+    '(', ')', '*', '+', ',', '-', '.', '/',
+    '0', '1', '2', '3', '4', '5', '6', '7',
+    '8', '9', ':', ';', '<', '=', '>', '?',
+    '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
+    'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',
+    'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',
+    'X',  'Y',  'Z',  '[',  '\\',  ']',  '^',  '_',
+    '`', 'a',  'b',  'c',  'd',  'e',  'f',  'g',
+    'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
+    'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
+    'x',  'y',  'z',  '{',  '|',  '}',  '~',  '?'
+};
+
+static gunichar 
+char_def_ia5_alphabet_decode(unsigned char value)
+{
+    if (value < GN_CHAR_ALPHABET_SIZE)
+    {
+		return IA5_default_alphabet[value];
+    }
+    else
+    {
+		return '?';
+    }
+}
+
+void
+IA5_7BIT_decode(unsigned char * dest, const unsigned char* src, int len)
+{
+    int i, j;
+    gunichar buf;
+
+
+    for (i = 0, j = 0; j < len;  j++)
+    {
+	    buf = char_def_ia5_alphabet_decode(src[j]);
+	    i += g_unichar_to_utf8(buf,&(dest[i]));
+    }
+    dest[i]=0;
+    return;
+}
+