Trying to recover from deleted directory contents

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5329 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 211 insertions, 0 deletions

diff --git a/nuttx/lib/lib_internal.h b/nuttx/lib/lib_internal.h
new file mode 100644
index 000000000..5da0ac924
--- /dev/null
+++ b/nuttx/lib/lib_internal.h
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+/****************************************************************************
+ * lib/lib_internal.h
+ *
+ *   Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __LIB_LIB_INTERNAL_H
+#define __LIB_LIB_INTERNAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <limits.h>
+#include <semaphore.h>
+
+#include <nuttx/streams.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+/* This configuration directory is used in environment variable processing
+ * when we need to reference the user's home directory.  There are no user
+ * directories in NuttX so, by default, this always refers to the root
+ * directory.
+ */
+
+#ifndef CONFIG_LIB_HOMEDIR
+# define CONFIG_LIB_HOMEDIR "/"
+#endif
+
+/* If C std I/O buffering is not supported, then we don't need its semaphore
+ * protection.
+ */
+
+#if CONFIG_STDIO_BUFFER_SIZE <= 0
+#  define lib_sem_initialize(s)
+#  define lib_take_semaphore(s)
+#  define lib_give_semaphore(s)
+#endif
+
+/* The NuttX C library an be build in two modes: (1) as a standard, C-libary
+ * that can be used by normal, user-space applications, or (2) as a special,
+ * kernel-mode C-library only used within the OS.  If NuttX is not being
+ * built as separated kernel- and user-space modules, then only the first
+ * mode is supported.
+ */
+
+#if defined(CONFIG_NUTTX_KERNEL) && defined(__KERNEL__)
+#  include <nuttx/kmalloc.h>
+#  define lib_malloc(s)    kmalloc(s)
+#  define lib_zalloc(s)    kzalloc(s)
+#  define lib_realloc(p,s) krealloc(p,s)
+#  define lib_free(p)      kfree(p)
+#else
+#  include <stdlib.h>
+#  define lib_malloc(s)    malloc(s)
+#  define lib_zalloc(s)    zalloc(s)
+#  define lib_realloc(p,s) realloc(p,s)
+#  define lib_free(p)      free(p)
+#endif
+
+#define LIB_BUFLEN_UNKNOWN INT_MAX
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/* Debug output is initially disabled */
+
+#ifdef CONFIG_DEBUG_ENABLE
+extern bool g_dbgenable;
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/* Defined in lib_streamsem.c */
+
+#if CONFIG_NFILE_STREAMS > 0
+void  stream_semtake(FAR struct streamlist *list);
+void  stream_semgive(FAR struct streamlist *list);
+#endif
+
+/* Defined in lib_libnoflush.c */
+
+#ifdef CONFIG_STDIO_LINEBUFFER
+int lib_noflush(FAR struct lib_outstream_s *this);
+#endif
+
+/* Defined in lib_libsprintf.c */
+
+int lib_sprintf(FAR struct lib_outstream_s *obj,
+                       const char *fmt, ...);
+
+/* Defined lib_libvsprintf.c */
+
+int lib_vsprintf(FAR struct lib_outstream_s *obj,
+                 FAR const char *src, va_list ap);
+
+/* Defined lib_rawprintf.c */
+
+int lib_rawvprintf(const char *src, va_list ap);
+
+/* Defined lib_lowprintf.c */
+
+int lib_lowvprintf(const char *src, va_list ap);
+
+/* Defined in lib_dtoa.c */
+
+#ifdef CONFIG_LIBC_FLOATINGPOINT
+char *__dtoa(double d, int mode, int ndigits, int *decpt, int *sign,
+             char **rve);
+#endif
+
+/* Defined in lib_libwrite.c */
+
+ssize_t lib_fwrite(FAR const void *ptr, size_t count, FAR FILE *stream);
+
+/* Defined in lib_libfread.c */
+
+ssize_t lib_fread(FAR void *ptr, size_t count, FAR FILE *stream);
+
+/* Defined in lib_libfflush.c */
+
+ssize_t lib_fflush(FAR FILE *stream, bool bforce);
+
+/* Defined in lib_rdflush.c */
+
+int lib_rdflush(FAR FILE *stream);
+
+/* Defined in lib_wrflush.c */
+
+int lib_wrflush(FAR FILE *stream);
+
+/* Defined in lib_sem.c */
+
+#if CONFIG_STDIO_BUFFER_SIZE > 0
+void lib_sem_initialize(FAR struct file_struct *stream);
+void lib_take_semaphore(FAR struct file_struct *stream);
+void lib_give_semaphore(FAR struct file_struct *stream);
+#endif
+
+/* Defined in lib_libgetbase.c */
+
+int lib_getbase(const char *nptr, const char **endptr);
+
+/* Defined in lib_skipspace.c */
+
+void lib_skipspace(const char **pptr);
+
+/* Defined in lib_isbasedigit.c */
+
+bool lib_isbasedigit(int ch, int base, int *value);
+
+/* Defined in lib_checkbase.c */
+
+int lib_checkbase(int base, const char **pptr);
+
+/* Defined in lib_expi.c */
+
+#ifdef CONFIG_LIBM
+double lib_expi(size_t n);
+#endif
+
+/* Defined in lib_libsqrtapprox.c */
+
+#ifdef CONFIG_LIBM
+float lib_sqrtapprox(float x);
+#endif
+
+#endif /* __LIB_LIB_INTERNAL_H */