strw_ltrim.c

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/* ltrimw$ function */

#include "fb.h"

FBCALL FB_WCHAR *fb_WstrLTrim ( const FB_WCHAR *src )
{
        FB_WCHAR *dst;
        const FB_WCHAR *p;
        ssize_t len;

        if( src == NULL )
                return NULL;

        len = fb_wstr_Len( src );
        p = fb_wstr_SkipChar( src, len, _LC(' ') );

        len -= fb_wstr_CalcDiff( src, p );
        if( len <= 0 )
                return NULL;

        /* alloc temp string */
    dst = fb_wstr_AllocTemp( len );
        if( dst != NULL )
                fb_wstr_Copy( dst, p, len );

        return dst;
}