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Diffstat (limited to 'lib/unistdio.in.h')
-rw-r--r-- | lib/unistdio.in.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/lib/unistdio.in.h b/lib/unistdio.in.h new file mode 100644 index 00000000..9bf26fa8 --- /dev/null +++ b/lib/unistdio.in.h @@ -0,0 +1,256 @@ +/* Elementary Unicode string functions. + Copyright (C) 2002, 2005-2007, 2009-2015 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef _UNISTDIO_H +#define _UNISTDIO_H + +#include "unitypes.h" + +/* Get size_t. */ +#include <stddef.h> + +/* Get FILE. */ +#include <stdio.h> + +/* Get va_list. */ +#include <stdarg.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* These work like the printf function family. + In the format string: + The format directive 'U' takes an UTF-8 string (const uint8_t *). + The format directive 'lU' takes an UTF-16 string (const uint16_t *). + The format directive 'llU' takes an UTF-32 string (const uint32_t *). + + The prefix (ulc_, u8_, u16_, u16_) indicates the type of the resulting + string. The prefix 'ulc' stands for "locale encoded". + + An infix 'v' indicates that a va_list is passed instead of multiple + arguments. + + The functions *sprintf have a 'buf' argument that is assumed to be large + enough. (DANGEROUS! Overflowing the buffer will crash the program.) + The functions *snprintf have a 'buf' argument that is assumed to be 'size' + units large. (DANGEROUS! The resulting string might be truncated in the + middle of a multibyte character.) + The functions *asprintf have a 'resultp' argument. The result will be + freshly allocated and stored in *resultp. + The functions *asnprintf have a (resultbuf, lengthp) argument pair. If + resultbuf is not NULL and the result fits into *lengthp units, it is put + in resultbuf, and resultbuf is returned. Otherwise, a freshly allocated + string is returned. In both cases, *lengthp is set to the length (number + of units) of the returned string. In case of error, NULL is returned and + errno is set. + */ + +/* ASCII format string, result in locale dependent encoded 'char *'. */ +extern int + ulc_sprintf (char *buf, + const char *format, ...); +extern int + ulc_snprintf (char *buf, size_t size, + const char *format, ...); +extern int + ulc_asprintf (char **resultp, + const char *format, ...); +extern char * + ulc_asnprintf (char *resultbuf, size_t *lengthp, + const char *format, ...); +extern int + ulc_vsprintf (char *buf, + const char *format, va_list ap); +extern int + ulc_vsnprintf (char *buf, size_t size, + const char *format, va_list ap); +extern int + ulc_vasprintf (char **resultp, + const char *format, va_list ap); +extern char * + ulc_vasnprintf (char *resultbuf, size_t *lengthp, + const char *format, va_list ap); + +/* ASCII format string, result in UTF-8 format. */ +extern int + u8_sprintf (uint8_t *buf, + const char *format, ...); +extern int + u8_snprintf (uint8_t *buf, size_t size, + const char *format, ...); +extern int + u8_asprintf (uint8_t **resultp, + const char *format, ...); +extern uint8_t * + u8_asnprintf (uint8_t *resultbuf, size_t *lengthp, + const char *format, ...); +extern int + u8_vsprintf (uint8_t *buf, + const char *format, va_list ap); +extern int + u8_vsnprintf (uint8_t *buf, size_t size, + const char *format, va_list ap); +extern int + u8_vasprintf (uint8_t **resultp, + const char *format, va_list ap); +extern uint8_t * + u8_vasnprintf (uint8_t *resultbuf, size_t *lengthp, + const char *format, va_list ap); + +/* UTF-8 format string, result in UTF-8 format. */ +extern int + u8_u8_sprintf (uint8_t *buf, + const uint8_t *format, ...); +extern int + u8_u8_snprintf (uint8_t *buf, size_t size, + const uint8_t *format, ...); +extern int + u8_u8_asprintf (uint8_t **resultp, + const uint8_t *format, ...); +extern uint8_t * + u8_u8_asnprintf (uint8_t *resultbuf, size_t *lengthp, + const uint8_t *format, ...); +extern int + u8_u8_vsprintf (uint8_t *buf, + const uint8_t *format, va_list ap); +extern int + u8_u8_vsnprintf (uint8_t *buf, size_t size, + const uint8_t *format, va_list ap); +extern int + u8_u8_vasprintf (uint8_t **resultp, + const uint8_t *format, va_list ap); +extern uint8_t * + u8_u8_vasnprintf (uint8_t *resultbuf, size_t *lengthp, + const uint8_t *format, va_list ap); + +/* ASCII format string, result in UTF-16 format. */ +extern int + u16_sprintf (uint16_t *buf, + const char *format, ...); +extern int + u16_snprintf (uint16_t *buf, size_t size, + const char *format, ...); +extern int + u16_asprintf (uint16_t **resultp, + const char *format, ...); +extern uint16_t * + u16_asnprintf (uint16_t *resultbuf, size_t *lengthp, + const char *format, ...); +extern int + u16_vsprintf (uint16_t *buf, + const char *format, va_list ap); +extern int + u16_vsnprintf (uint16_t *buf, size_t size, + const char *format, va_list ap); +extern int + u16_vasprintf (uint16_t **resultp, + const char *format, va_list ap); +extern uint16_t * + u16_vasnprintf (uint16_t *resultbuf, size_t *lengthp, + const char *format, va_list ap); + +/* UTF-16 format string, result in UTF-16 format. */ +extern int + u16_u16_sprintf (uint16_t *buf, + const uint16_t *format, ...); +extern int + u16_u16_snprintf (uint16_t *buf, size_t size, + const uint16_t *format, ...); +extern int + u16_u16_asprintf (uint16_t **resultp, + const uint16_t *format, ...); +extern uint16_t * + u16_u16_asnprintf (uint16_t *resultbuf, size_t *lengthp, + const uint16_t *format, ...); +extern int + u16_u16_vsprintf (uint16_t *buf, + const uint16_t *format, va_list ap); +extern int + u16_u16_vsnprintf (uint16_t *buf, size_t size, + const uint16_t *format, va_list ap); +extern int + u16_u16_vasprintf (uint16_t **resultp, + const uint16_t *format, va_list ap); +extern uint16_t * + u16_u16_vasnprintf (uint16_t *resultbuf, size_t *lengthp, + const uint16_t *format, va_list ap); + +/* ASCII format string, result in UTF-32 format. */ +extern int + u32_sprintf (uint32_t *buf, + const char *format, ...); +extern int + u32_snprintf (uint32_t *buf, size_t size, + const char *format, ...); +extern int + u32_asprintf (uint32_t **resultp, + const char *format, ...); +extern uint32_t * + u32_asnprintf (uint32_t *resultbuf, size_t *lengthp, + const char *format, ...); +extern int + u32_vsprintf (uint32_t *buf, + const char *format, va_list ap); +extern int + u32_vsnprintf (uint32_t *buf, size_t size, + const char *format, va_list ap); +extern int + u32_vasprintf (uint32_t **resultp, + const char *format, va_list ap); +extern uint32_t * + u32_vasnprintf (uint32_t *resultbuf, size_t *lengthp, + const char *format, va_list ap); + +/* UTF-32 format string, result in UTF-32 format. */ +extern int + u32_u32_sprintf (uint32_t *buf, + const uint32_t *format, ...); +extern int + u32_u32_snprintf (uint32_t *buf, size_t size, + const uint32_t *format, ...); +extern int + u32_u32_asprintf (uint32_t **resultp, + const uint32_t *format, ...); +extern uint32_t * + u32_u32_asnprintf (uint32_t *resultbuf, size_t *lengthp, + const uint32_t *format, ...); +extern int + u32_u32_vsprintf (uint32_t *buf, + const uint32_t *format, va_list ap); +extern int + u32_u32_vsnprintf (uint32_t *buf, size_t size, + const uint32_t *format, va_list ap); +extern int + u32_u32_vasprintf (uint32_t **resultp, + const uint32_t *format, va_list ap); +extern uint32_t * + u32_u32_vasnprintf (uint32_t *resultbuf, size_t *lengthp, + const uint32_t *format, va_list ap); + +/* ASCII format string, output to FILE in locale dependent encoding. */ +extern int + ulc_fprintf (FILE *stream, + const char *format, ...); +extern int + ulc_vfprintf (FILE *stream, + const char *format, va_list ap); + +#ifdef __cplusplus +} +#endif + +#endif /* _UNISTDIO_H */ |