#ifndef REGTEST
-int vsnprintf( char * str, size_t size, const char * format, _PDCLIB_va_list arg )
+int vsnprintf( char * _PDCLIB_restrict s, size_t n, const char * _PDCLIB_restrict format, _PDCLIB_va_list arg )
{
- /* TODO: This function should interpret format as multibyte characters. */
- /* TODO: Implement */
- return 0;
+ /* TODO: This function should interpret format as multibyte characters. */
+ struct _PDCLIB_status_t status;
+ status.base = 0;
+ status.flags = 0;
+ status.n = n;
+ status.i = 0;
+ status.current = 0;
+ status.s = s;
+ status.width = 0;
+ status.prec = 0;
+ status.stream = NULL;
+ va_copy( status.arg, arg );
+
+ while ( *format != '\0' )
+ {
+ const char * rc;
+ if ( ( *format != '%' ) || ( ( rc = _PDCLIB_print( format, &status ) ) == format ) )
+ {
+ /* No conversion specifier, print verbatim */
+ s[ status.i++ ] = *(format++);
+ }
+ else
+ {
+ /* Continue parsing after conversion specifier */
+ format = rc;
+ }
+ }
+ s[ status.i ] = '\0';
+ va_end( status.arg );
+ return status.i;
}
#endif
#ifdef TEST
#include <_PDCLIB_test.h>
+#include <limits.h>
+#include <stdint.h>
+#include <string.h>
+
+static int testprintf( char * s, size_t n, const char * format, ... )
+{
+ int i;
+ va_list arg;
+ va_start( arg, format );
+ i = vsnprintf( s, n, format, arg );
+ va_end( arg );
+ return i;
+}
+
+#define TESTCASE_SPRINTF( x ) TESTCASE( x )
+
int main( void )
{
- TESTCASE( NO_TESTDRIVER );
+ char buffer[100];
+#include "printf_testcases.incl"
return TEST_RESULTS;
}
#endif
+