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-rw-r--r--cpukit/libmisc/stringto/stringtolong.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/cpukit/libmisc/stringto/stringtolong.c b/cpukit/libmisc/stringto/stringtolong.c
new file mode 100644
index 0000000000..e77b8822b8
--- /dev/null
+++ b/cpukit/libmisc/stringto/stringtolong.c
@@ -0,0 +1,59 @@
+/*
+ * COPYRIGHT (c) 2009.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * Copyright (c) 2011 Ralf Corsépius, Ulm, Germany.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+#include <limits.h>
+
+#include <rtems/stringto.h>
+
+/*
+ * Instantiate an error checking wrapper for strtol (long)
+ */
+
+rtems_status_code rtems_string_to_long (
+ const char *s,
+ long *n,
+ char **endptr,
+ int base
+)
+{
+ long result;
+ char *end;
+
+ if ( !n )
+ return RTEMS_INVALID_ADDRESS;
+
+ errno = 0;
+ *n = 0;
+
+ result = strtol( s, &end, base );
+
+ if ( endptr )
+ *endptr = end;
+
+ if ( end == s )
+ return RTEMS_NOT_DEFINED;
+
+ if ( ( errno == ERANGE ) &&
+ (( result == 0 ) || ( result == LONG_MAX ) || ( result == LONG_MIN )))
+ return RTEMS_INVALID_NUMBER;
+
+ *n = result;
+
+ return RTEMS_SUCCESSFUL;
+}