X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fvsnprintf.c;h=84ad51dc462d41a7e14c4b4a747a3ec076e1d2dc;hb=46983693f019c28a1c2420e9e7dfc204916af411;hp=30086ab1d38a62dd2d72af1cc23cbe2d8037be06;hpb=d02f38605b53cdff5460cc6b9e1b2a80c3a2ba4c;p=pdclib

diff --git a/functions/stdio/vsnprintf.c b/functions/stdio/vsnprintf.c
index 30086ab..84ad51d 100644
--- a/functions/stdio/vsnprintf.c
+++ b/functions/stdio/vsnprintf.c
@@ -1,7 +1,5 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* vsnprintf( char *, size_t, const char *, va_list ap )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -13,13 +11,27 @@
 
 #ifndef REGTEST
 
-typedef char wchar_t;
-
-int vsnprintf( char * str, size_t size, const char * format, _PDCLIB_va_list arg )
+int vsnprintf( char * s, size_t n, const char * 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.  */
+    /* Members: base, flags, n, i, this, s, width, prec, stream, arg         */
+    struct _PDCLIB_status_t status = { 0, 0, n, 0, 0, s, 0, 0, NULL, 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';
+    return status.i;
 }
 
 #endif