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-rw-r--r--src/pdclib/functions/stdio/snprintf.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/pdclib/functions/stdio/snprintf.c b/src/pdclib/functions/stdio/snprintf.c
new file mode 100644
index 0000000..f095b8c
--- /dev/null
+++ b/src/pdclib/functions/stdio/snprintf.c
@@ -0,0 +1,43 @@
+/* snprintf( char *, size_t, const char *, ... )
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+#include <stdarg.h>
+
+#ifndef REGTEST
+
+int snprintf( char * _PDCLIB_restrict s, size_t n, const char * _PDCLIB_restrict format, ...)
+{
+ int rc;
+ va_list ap;
+ va_start( ap, format );
+ rc = vsnprintf( s, n, format, ap );
+ va_end( ap );
+ return rc;
+}
+
+#endif
+
+#ifdef TEST
+#define _PDCLIB_FILEID "stdio/snprintf.c"
+#define _PDCLIB_STRINGIO
+#include <stdint.h>
+#include <stddef.h>
+
+#include "_PDCLIB_test.h"
+
+#define testprintf( s, ... ) snprintf( s, 100, __VA_ARGS__ )
+
+int main( void )
+{
+ char target[100];
+#include "printf_testcases.h"
+ TESTCASE( snprintf( NULL, 0, "foo" ) == 3 );
+ TESTCASE( snprintf( NULL, 0, "%d", 100 ) == 3 );
+ return TEST_RESULTS;
+}
+
+#endif