71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
|
|
// 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;
|
|
}
|