Initial commit of working catalogs, init, and cp

string.utils.cpp

@@ -0,0 +1,70 @@
+
+// Copy string, converting to uppercase. Will NULL terminate destination
+// @param nLen - copy up to N chars. If zero will calculate source string length
+// @return Length of string not including NULL terminator
+// ========================================================================
+size_t string_CopyUpper( char *pDst, const char *pSrc, int nLen = 0 )
+{
+    if( !nLen )
+        nLen = strlen( pSrc );
+
+    char *pBeg = pDst;
+
+    for( int i = 0; i < nLen; i++ )
+    {
+        char c = *pSrc++;
+
+        if( c == 0 ) // Don't copy past end-of-string
+            break;
+
+        if((c >= 'a') && (c <= 'z' ))
+            c -= ('a' - 'A');
+
+        *pDst++ = c;               
+    }
+
+    *pDst = 0;
+
+    return (pDst - pBeg); 
+}
+
+
+// @return NULL if no extension found, else return pointer to ".<ext>"
+// ========================================================================
+const char* file_GetExtension( const char *pFileName )
+{
+    int nLen = strlen( pFileName );
+
+    const char *pSrc = pFileName + nLen - 1;
+    const char *pBeg = pFileName;
+
+    while( pSrc >= pBeg )
+    {
+        if( *pSrc == '.' )
+            return pSrc;
+
+        pSrc--;
+    }
+
+    return NULL;
+}
+
+
+
+// Convert text to integer in base 16
+// Optional prefix of $
+// ========================================================================
+int getHexVal( const char *text )
+{
+    int n = 0;
+    const char *pSrc = text;
+
+    if( !text )
+        return n;
+
+    if( pSrc[0] == '$' )
+        pSrc++;
+
+    n = strtoul( pSrc, NULL, 16 );
+    return n;
+}