Whitespace cleanups.

[pdclib] / functions / stdio / vsscanf.c

diff --git a/functions/stdio/vsscanf.c b/functions/stdio/vsscanf.c
index 3fc09cf3cdb2c04b1eef171f704e7e4657b4c2e1..a9076d0291e4030a0f58798a3d9824f5aaad374e 100644 (file)
--- a/functions/stdio/vsscanf.c
+++ b/functions/stdio/vsscanf.c
@@ -1,6 +1,4 @@
-/* $Id$ */
-
-/* vsscanf( const char *, const char *, va_list arg )
+/* vsscanf( const char *, const char *, va_list )
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
@@ -8,9 +6,9 @@
 
 #include <stdio.h>
 #include <stdarg.h>
+#include <ctype.h>
 
 #ifndef REGTEST
-#include <ctype.h>
 
 int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, va_list arg )
 {
@@ -48,6 +46,11 @@ int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict form
                 /* Non-whitespace char in format string: Match verbatim */
                 if ( *status.s != *format )
                 {
+                    if ( *status.s == '\0' && status.n == 0 )
+                    {
+                        /* Early input error */
+                        return EOF;
+                    }
                     /* Matching error */
                     return status.n;
                 }
@@ -61,9 +64,13 @@ int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict form
         }
         else
         {
-            /* NULL return code indicates input error */
+            /* NULL return code indicates error */
             if ( rc == NULL )
             {
+                if ( ( *status.s == '\n' ) && ( status.n == 0 ) )
+                {
+                    status.n = EOF;
+                }
                 break;
             }
             /* Continue parsing after conversion specifier */
@@ -77,22 +84,24 @@ int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict form
 #endif
 
 #ifdef TEST
-#include <_PDCLIB_test.h>
+#define _PDCLIB_FILEID "stdio/vsscanf.c"
+#define _PDCLIB_STRINGIO
+
+#include "_PDCLIB_test.h"
+
+static int testscanf( char const * stream, char const * format, ... )
+{
+    va_list ap;
+    va_start( ap, format );
+    int result = vsscanf( stream, format, ap );
+    va_end( ap );
+    return result;
+}
 
 int main( void )
 {
-    char const * teststring1 = "abc  def";
-    char const * teststring2 = "abcdef";
-    char const * teststring3 = "abc%def";
-    int x;
-    TESTCASE( sscanf( teststring2, "abcdef%n", &x ) == 0 );
-    TESTCASE( x == 6 );
-    TESTCASE( sscanf( teststring1, "abc def%n", &x ) == 0 );
-    TESTCASE( x == 8 );
-    TESTCASE( sscanf( teststring2, "abc def%n", &x ) == 0 );
-    TESTCASE( x == 6 );
-    TESTCASE( sscanf( teststring3, "abc%%def%n", &x ) == 0 );
-    TESTCASE( x == 7 );
+    char source[100];
+#include "scanf_testcases.h"
     return TEST_RESULTS;
 }