incubator-nuttx/libs/libc/stdio/lib_ultoa_invert.h

77 lines
3.1 KiB
C

/****************************************************************************
* libs/libc/stdio/lib_ultoa_invert.h
*
* Copyright (c) 2005, Dmitry Xmelkov
* All rights reserved.
*
* 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 __LIBS_LIBC_STDIO_LIB_ULTOA_INVERT_H
#define __LIBS_LIBC_STDIO_LIB_ULTOA_INVERT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/compiler.h>
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* CONFIG_LIBC_LONG_LONG is not a valid selection of the compiler does not
* support long long types.
*/
#ifndef CONFIG_HAVE_LONG_LONG
# undef CONFIG_LIBC_LONG_LONG
#endif
/* Next flags are to use with `base'. Unused fields are reserved. */
#define XTOA_PREFIX 0x0100 /* Put prefix for octal or hex */
#define XTOA_UPPER 0x0200 /* Use upper case letters */
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/* Internal function for use from `printf'. */
#ifdef CONFIG_LIBC_LONG_LONG
FAR char *__ultoa_invert(unsigned long long val, FAR char *str, int base);
#else
FAR char *__ultoa_invert(unsigned long val, FAR char *str, int base);
#endif
#endif /* __LIBS_LIBC_STDIO_LIB_ULTOA_INVERT_H */