Add _cbprintf/_vcbprintf (callback based printf formatters)

[pdclib.old] / functions / stdio / vfprintf.c

diff --git a/functions/stdio/vfprintf.c b/functions/stdio/vfprintf.c
index 6ff56ff905a3adb538816dc85b0ac39af55ed3b6..0aa66485e7ec96b86a5bde2c340a5e214b5de6b6 100644 (file)
--- a/functions/stdio/vfprintf.c
+++ b/functions/stdio/vfprintf.c
@@ -9,52 +9,42 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdint.h>
+#include <limits.h>
 
 #ifndef REGTEST
+#include <_PDCLIB_io.h>
 
-int vfprintf( struct _PDCLIB_file_t * _PDCLIB_restrict stream, const char * _PDCLIB_restrict format, va_list arg )
+static size_t filecb(void *p, const char *buf, size_t size)
 {
-    /* TODO: This function should interpret format as multibyte characters.  */
-    struct _PDCLIB_status_t status;
-    status.base = 0;
-    status.flags = 0;
-    status.n = SIZE_MAX;
-    status.i = 0;
-    status.current = 0;
-    status.s = NULL;
-    status.width = 0;
-    status.prec = 0;
-    status.stream = stream;
-    va_copy( status.arg, arg );
+    return _PDCLIB_fwrite_unlocked( buf, 1, size, (FILE*) p );
+}
 
-    while ( *format != '\0' )
-    {
-        const char * rc;
-        if ( ( *format != '%' ) || ( ( rc = _PDCLIB_print( format, &status ) ) == format ) )
-        {
-            /* No conversion specifier, print verbatim */
-            putc( *(format++), stream );
-            status.i++;
-        }
-        else
-        {
-            /* Continue parsing after conversion specifier */
-            format = rc;
-        }
-    }
-    va_end( status.arg );
-    return status.i;
+int _PDCLIB_vfprintf_unlocked( FILE * _PDCLIB_restrict stream,
+                       const char * _PDCLIB_restrict format,
+                       va_list arg )
+{
+    return _vcbprintf(stream, filecb, format, arg);
+}
+
+int vfprintf( FILE * _PDCLIB_restrict stream,
+              const char * _PDCLIB_restrict format,
+              va_list arg )
+{
+    _PDCLIB_flockfile( stream );
+    int r = _PDCLIB_vfprintf_unlocked( stream, format, arg );
+    _PDCLIB_funlockfile( stream );
+    return r;
 }
 
 #endif
 
 #ifdef TEST
-#include <stdlib.h>
-#include <limits.h>
-#include <string.h>
+#define _PDCLIB_FILEID "stdio/vfprintf.c"
+#define _PDCLIB_FILEIO
+#include <stddef.h>
 #include <_PDCLIB_test.h>
 
-static int testprintf( FILE * stream, size_t n, const char * format, ... )
+static int testprintf( FILE * stream, const char * format, ... )
 {
     int i;
     va_list arg;
@@ -66,11 +56,10 @@ static int testprintf( FILE * stream, size_t n, const char * format, ... )
 
 int main( void )
 {
-    FILE * buffer;
-    TESTCASE( ( buffer = fopen( "testfile", "wb" ) ) != NULL );
-#include "printf_testcases.incl"
-    TESTCASE( fclose( buffer ) == 0 );
-#include "fprintf_reftest.incl"
+    FILE * target;
+    TESTCASE( ( target = tmpfile() ) != NULL );
+#include "printf_testcases.h"
+    TESTCASE( fclose( target ) == 0 );
     return TEST_RESULTS;
 }