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authorRalf Corsepius <ralf.corsepius@rtems.org>2011-02-01 05:48:30 +0000
committerRalf Corsepius <ralf.corsepius@rtems.org>2011-02-01 05:48:30 +0000
commit5410c14a56bae4775941c62418a4e7ec050d0867 (patch)
tree4efdf5e48af2b9c5a7a6a0252c2844f1bc6ec19c /cpukit/libmisc
parentebf806fd5265a431f395454d182e50cd5875ed12 (diff)
downloadrtems-5410c14a56bae4775941c62418a4e7ec050d0867.tar.bz2
2011-02-01 Ralf Corsepius <ralf.corsepius@rtems.org>
* libmisc/Makefile.am: Add stringto/stringtolongdouble.c. * libmisc/stringto/stringtolongdouble.c: New.
Diffstat (limited to 'cpukit/libmisc')
-rw-r--r--cpukit/libmisc/Makefile.am1
-rw-r--r--cpukit/libmisc/stringto/stringtolongdouble.c58
2 files changed, 59 insertions, 0 deletions
diff --git a/cpukit/libmisc/Makefile.am b/cpukit/libmisc/Makefile.am
index 72ed6db5e9..2a7ba78d41 100644
--- a/cpukit/libmisc/Makefile.am
+++ b/cpukit/libmisc/Makefile.am
@@ -135,6 +135,7 @@ EXTRA_DIST += untar/README
noinst_LIBRARIES += libstringto.a
libstringto_a_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/stringto
libstringto_a_SOURCES = stringto/stringtodouble.c stringto/stringtofloat.c \
+ stringto/stringtolongdouble.c \
stringto/stringtoint.c stringto/stringtolong.c stringto/stringtolonglong.c \
stringto/stringtopointer.c stringto/stringtounsignedint.c \
stringto/stringtounsignedchar.c stringto/stringtounsignedlong.c \
diff --git a/cpukit/libmisc/stringto/stringtolongdouble.c b/cpukit/libmisc/stringto/stringtolongdouble.c
new file mode 100644
index 0000000000..776f5e183b
--- /dev/null
+++ b/cpukit/libmisc/stringto/stringtolongdouble.c
@@ -0,0 +1,58 @@
+/*
+ * COPYRIGHT (c) 2009.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * Copyright (c) 2011 Ralf Cors├ępius, 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 <math.h>
+
+#include <rtems/stringto.h>
+
+/*
+ * Instantiate an error checking wrapper for strtod (double)
+ */
+
+rtems_status_code rtems_string_to_long_double (
+ const char *s,
+ long double *n,
+ char **endptr
+)
+{
+ long double result;
+ char *end;
+
+ if ( !n )
+ return RTEMS_INVALID_ADDRESS;
+
+ errno = 0;
+ *n = 0;
+
+ result = strtold( s, &end );
+
+ if ( endptr )
+ *endptr = end;
+
+ if ( end == s )
+ return RTEMS_NOT_DEFINED;
+
+ if ( ( errno == ERANGE ) &&
+ (( result == 0 ) || ( result == HUGE_VALL ) || ( result == -HUGE_VALL )))
+ return RTEMS_INVALID_NUMBER;
+
+ *n = result;
+
+ return RTEMS_SUCCESSFUL;
+}