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