WebSVN – HelenOS – Diff – /branches/network/uspace/lib/libc/include/stdio.h


/*
 * Copyright (c) 2005 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */
 
/** @addtogroup libc
 * @{
 */
/** @file
 */
 
#ifndef LIBC_STDIO_H_
#define LIBC_STDIO_H_
 
#include <sys/types.h>
#include <stdarg.h>
#include <string.h>
#include <adt/list.h>
 
#define EOF  (-1)
 
/** Default size for stream I/O buffers */
#define BUFSIZ  4096
 
#define DEBUG(fmt, ...) \
    { \
        char _buf[256]; \
        int _n = snprintf(_buf, sizeof(_buf), fmt, ##__VA_ARGS__); \
        if (_n > 0) \
            (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) _buf, str_size(_buf)); \
    }
 
#ifndef SEEK_SET
    #define SEEK_SET  0
    #define SEEK_CUR  1
    #define SEEK_END  2
#endif
 
enum _buffer_type {
    /** No buffering */
    _IONBF,
    /** Line buffering */
    _IOLBF,
    /** Full buffering */
    _IOFBF
};
 
typedef struct {
    /** Linked list pointer. */
    link_t link;
   
    /** Underlying file descriptor. */
    int fd;
   
    /** Error indicator. */
    int error;
   
    /** End-of-file indicator. */
    int eof;
   
    /** Klog indicator */
    int klog;
   
    /** Phone to the file provider */
    int phone;
 
    /** Buffering type */
    enum _buffer_type btype;
    /** Buffer */
    uint8_t *buf;
    /** Buffer size */
    size_t buf_size;
    /** Buffer I/O pointer */
    uint8_t *buf_head;
} FILE;
 
extern FILE *stdin;
extern FILE *stdout;
extern FILE *stderr;
 
/* Character and string input functions */
extern int fgetc(FILE *);
extern char *fgets(char *, size_t, FILE *);
 
extern int getchar(void);
extern char *gets(char *, size_t);
 
/* Character and string output functions */
extern int fputc(wchar_t, FILE *);
extern int fputs(const char *, FILE *);
 
extern int putchar(wchar_t);
extern int puts(const char *);
 
/* Formatted string output functions */
extern int fprintf(FILE *, const char*, ...);
extern int vfprintf(FILE *, const char *, va_list);
 
extern int printf(const char *, ...);
extern int vprintf(const char *, va_list);
 
extern int snprintf(char *, size_t , const char *, ...);
extern int asprintf(char **, const char *, ...);
extern int vsnprintf(char *, size_t, const char *, va_list);
 
/* File stream functions */
extern FILE *fopen(const char *, const char *);
extern FILE *fdopen(int, const char *);
extern int fclose(FILE *);
 
extern size_t fread(void *, size_t, size_t, FILE *);
extern size_t fwrite(const void *, size_t, size_t, FILE *);
 
extern int fseek(FILE *, long, int);
extern void rewind(FILE *);
extern int ftell(FILE *);
extern int feof(FILE *);
 
extern int fflush(FILE *);
extern int ferror(FILE *);
extern void clearerr(FILE *);
 
extern void setvbuf(FILE *, void *, int, size_t);
 
/* Misc file functions */
extern int rename(const char *, const char *);
 
#endif
 
/** @}
 */
 

Rev 4581	Rev 4718
1	/*	1	/*
2	* Copyright (c) 2005 Martin Decky	2	* Copyright (c) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup libc	29	/** @addtogroup libc
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef LIBC_STDIO_H_	35	#ifndef LIBC_STDIO_H_
36	#define LIBC_STDIO_H_	36	#define LIBC_STDIO_H_
37		37
38	#include <sys/types.h>	38	#include <sys/types.h>
39	#include <stdarg.h>	39	#include <stdarg.h>
-		40	#include <string.h>
40	#include <adt/list.h>	41	#include <adt/list.h>
41		42
42	#define EOF (-1)	43	#define EOF (-1)
43		44
44	/** Default size for stream I/O buffers */	45	/** Default size for stream I/O buffers */
45	#define BUFSIZ 4096	46	#define BUFSIZ 4096
46		47
47	#define DEBUG(fmt, ...) \	48	#define DEBUG(fmt, ...) \
48	{ \	49	{ \
49	char buf[256]; \	50	char _buf[256]; \
50	int n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \	51	int _n = snprintf(_buf, sizeof(_buf), fmt, ##__VA_ARGS__); \
51	if (n > 0) \	52	if (_n > 0) \
52	(void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, str_size(buf)); \	53	(void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) _buf, str_size(_buf)); \
53	}	54	}
54		55
55	#ifndef SEEK_SET	56	#ifndef SEEK_SET
56	#define SEEK_SET 0	57	#define SEEK_SET 0
57	#define SEEK_CUR 1	58	#define SEEK_CUR 1
58	#define SEEK_END 2	59	#define SEEK_END 2
59	#endif	60	#endif
60		61
61	enum _buffer_type {	62	enum _buffer_type {
62	/** No buffering */	63	/** No buffering */
63	_IONBF,	64	_IONBF,
64	/** Line buffering */	65	/** Line buffering */
65	_IOLBF,	66	_IOLBF,
66	/** Full buffering */	67	/** Full buffering */
67	_IOFBF	68	_IOFBF
68	};	69	};
69		70
70	typedef struct {	71	typedef struct {
71	/** Linked list pointer. */	72	/** Linked list pointer. */
72	link_t link;	73	link_t link;
73		74
74	/** Underlying file descriptor. */	75	/** Underlying file descriptor. */
75	int fd;	76	int fd;
76		77
77	/** Error indicator. */	78	/** Error indicator. */
78	int error;	79	int error;
79		80
80	/** End-of-file indicator. */	81	/** End-of-file indicator. */
81	int eof;	82	int eof;
82		83
83	/** Klog indicator */	84	/** Klog indicator */
84	int klog;	85	int klog;
85		86
86	/** Phone to the file provider */	87	/** Phone to the file provider */
87	int phone;	88	int phone;
88		89
89	/** Buffering type */	90	/** Buffering type */
90	enum _buffer_type btype;	91	enum _buffer_type btype;
91	/** Buffer */	92	/** Buffer */
92	uint8_t *buf;	93	uint8_t *buf;
93	/** Buffer size */	94	/** Buffer size */
94	size_t buf_size;	95	size_t buf_size;
95	/** Buffer I/O pointer */	96	/** Buffer I/O pointer */
96	uint8_t *buf_head;	97	uint8_t *buf_head;
97	} FILE;	98	} FILE;
98		99
99	extern FILE *stdin;	100	extern FILE *stdin;
100	extern FILE *stdout;	101	extern FILE *stdout;
101	extern FILE *stderr;	102	extern FILE *stderr;
102		103
103	/* Character and string input functions */	104	/* Character and string input functions */
104	extern int fgetc(FILE *);	105	extern int fgetc(FILE *);
105	extern char fgets(char , size_t, FILE *);	106	extern char fgets(char , size_t, FILE *);
106		107
107	extern int getchar(void);	108	extern int getchar(void);
108	extern char gets(char , size_t);	109	extern char gets(char , size_t);
109		110
110	/* Character and string output functions */	111	/* Character and string output functions */
111	extern int fputc(wchar_t, FILE *);	112	extern int fputc(wchar_t, FILE *);
112	extern int fputs(const char , FILE );	113	extern int fputs(const char , FILE );
113		114
114	extern int putchar(wchar_t);	115	extern int putchar(wchar_t);
115	extern int puts(const char *);	116	extern int puts(const char *);
116		117
117	/* Formatted string output functions */	118	/* Formatted string output functions */
118	extern int fprintf(FILE , const char, ...);	119	extern int fprintf(FILE , const char, ...);
119	extern int vfprintf(FILE , const char , va_list);	120	extern int vfprintf(FILE , const char , va_list);
120		121
121	extern int printf(const char *, ...);	122	extern int printf(const char *, ...);
122	extern int vprintf(const char *, va_list);	123	extern int vprintf(const char *, va_list);
123		124
124	extern int snprintf(char , size_t , const char , ...);	125	extern int snprintf(char , size_t , const char , ...);
125	extern int asprintf(char *, const char , ...);	126	extern int asprintf(char *, const char , ...);
126	extern int vsnprintf(char , size_t, const char , va_list);	127	extern int vsnprintf(char , size_t, const char , va_list);
127		128
128	/* File stream functions */	129	/* File stream functions */
129	extern FILE fopen(const char , const char *);	130	extern FILE fopen(const char , const char *);
130	extern FILE fdopen(int, const char );	131	extern FILE fdopen(int, const char );
131	extern int fclose(FILE *);	132	extern int fclose(FILE *);
132		133
133	extern size_t fread(void , size_t, size_t, FILE );	134	extern size_t fread(void , size_t, size_t, FILE );
134	extern size_t fwrite(const void , size_t, size_t, FILE );	135	extern size_t fwrite(const void , size_t, size_t, FILE );
135		136
136	extern int fseek(FILE *, long, int);	137	extern int fseek(FILE *, long, int);
137	extern void rewind(FILE *);	138	extern void rewind(FILE *);
138	extern int ftell(FILE *);	139	extern int ftell(FILE *);
139	extern int feof(FILE *);	140	extern int feof(FILE *);
140		141
141	extern int fflush(FILE *);	142	extern int fflush(FILE *);
142	extern int ferror(FILE *);	143	extern int ferror(FILE *);
143	extern void clearerr(FILE *);	144	extern void clearerr(FILE *);
144		145
145	extern void setvbuf(FILE , void , int, size_t);	146	extern void setvbuf(FILE , void , int, size_t);
146		147
147	/* Misc file functions */	148	/* Misc file functions */
148	extern int rename(const char , const char );	149	extern int rename(const char , const char );
149		150
150	#endif	151	#endif
151		152
152	/** @}	153	/** @}
153	*/	154	*/
154		155

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