From c6ef89664b8c0d7aa85bddd5c7014aa6df82cbe7 Mon Sep 17 00:00:00 2001
From: tcsullivan <tullivan99@gmail.com>
Date: Sat, 17 Nov 2018 13:02:57 -0500
Subject: added pdclib, removed sash

---
 src/pdclib/functions/stdio/perror.c | 58 +++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/pdclib/functions/stdio/perror.c

(limited to 'src/pdclib/functions/stdio/perror.c')

diff --git a/src/pdclib/functions/stdio/perror.c b/src/pdclib/functions/stdio/perror.c
new file mode 100644
index 0000000..dd6633c
--- /dev/null
+++ b/src/pdclib/functions/stdio/perror.c
@@ -0,0 +1,58 @@
+/* perror( 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 <errno.h>
+#include <locale.h>
+
+#ifndef REGTEST
+
+/* TODO: Doing this via a static array is not the way to do it. */
+void perror( const char * s )
+{
+    if ( ( s != NULL ) && ( s[0] != '\n' ) )
+    {
+        fprintf( stderr, "%s: ", s );
+    }
+    if ( errno >= _PDCLIB_ERRNO_MAX )
+    {
+        fprintf( stderr, "Unknown error\n" );
+    }
+    else
+    {
+        fprintf( stderr, "%s\n", _PDCLIB_lc_messages.errno_texts[errno] );
+    }
+    return;
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+
+int main( void )
+{
+    FILE * fh;
+    unsigned long long max = ULLONG_MAX;
+    char buffer[100];
+    sprintf( buffer, "%llu", max );
+    TESTCASE( ( fh = freopen( testfile, "wb+", stderr ) ) != NULL );
+    TESTCASE( strtol( buffer, NULL, 10 ) == LONG_MAX );
+    perror( "Test" );
+    rewind( fh );
+    TESTCASE( fread( buffer, 1, 7, fh ) == 7 );
+    TESTCASE( memcmp( buffer, "Test: ", 6 ) == 0 );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
+    return TEST_RESULTS;
+}
+
+#endif
-- 
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