X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=functions%2Fstdio%2Fvsscanf.c;h=be9bf61ae16ba5c699e718fc2d5285fa708c17b8;hb=92627d87c246591c540d0ae38296aa43e4c09b3c;hp=20893c97a7b6251f9c30beb49b0e766b181eddc6;hpb=02c9753655c68abce19755f99d0deb6c86b64c9f;p=fw%2Fpdclib

diff --git a/functions/stdio/vsscanf.c b/functions/stdio/vsscanf.c
index 20893c9..be9bf61 100644
--- a/functions/stdio/vsscanf.c
+++ b/functions/stdio/vsscanf.c
@@ -14,8 +14,17 @@
 
 int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, va_list arg )
 {
-    /* base, flag, n, i, current, s, width, prec, stream, arg */
-    struct _PDCLIB_status_t status = { 0, 0, 0, 0, 0, (char *)s, 0, 0, NULL, NULL };
+    /* TODO: This function should interpret format as multibyte characters.  */
+    struct _PDCLIB_status_t status;
+    status.base = 0;
+    status.flags = 0;
+    status.n = 0;
+    status.i = 0;
+    status.current = 0;
+    status.s = (char *) s;
+    status.width = 0;
+    status.prec = 0;
+    status.stream = NULL;
     va_copy( status.arg, arg );
 
     while ( *format != '\0' )
@@ -39,6 +48,11 @@ 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;
                 }
@@ -52,9 +66,13 @@ 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 */
@@ -70,20 +88,21 @@ int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict form
 #ifdef TEST
 #include <_PDCLIB_test.h>
 
+#include "scan_test.h"
+
+static int SCANFUNC( 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 );
+#include "sscan_sources.incl"
+#include "scanf_testcases.incl"
     return TEST_RESULTS;
 }