| 1 | /*
|
|---|
| 2 | * Copyright (c) 2005 Martin Decky
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 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
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 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
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 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
|
|---|
| 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
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup libc
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /** @file
|
|---|
| 33 | */
|
|---|
| 34 |
|
|---|
| 35 | #ifndef LIBC_STDIO_H_
|
|---|
| 36 | #define LIBC_STDIO_H_
|
|---|
| 37 |
|
|---|
| 38 | #include <sys/types.h>
|
|---|
| 39 | #include <stdarg.h>
|
|---|
| 40 | #include <string.h>
|
|---|
| 41 | #include <adt/list.h>
|
|---|
| 42 |
|
|---|
| 43 | #define EOF (-1)
|
|---|
| 44 |
|
|---|
| 45 | /** Default size for stream I/O buffers */
|
|---|
| 46 | #define BUFSIZ 4096
|
|---|
| 47 |
|
|---|
| 48 | #define DEBUG(fmt, ...)se\
|
|---|
| 49 | { \
|
|---|
| 50 | char _buf[256]; \
|
|---|
| 51 | int _n = snprintf(_buf, sizeof(_buf), fmt, ##__VA_ARGS__); \
|
|---|
| 52 | if (_n > 0) \
|
|---|
| 53 | (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) _buf, str_size(_buf)); \
|
|---|
| 54 | }
|
|---|
| 55 |
|
|---|
| 56 | #ifndef SEEK_SET
|
|---|
| 57 | #define SEEK_SET 0
|
|---|
| 58 | #endif
|
|---|
| 59 |
|
|---|
| 60 | #ifndef SEEK_CUR
|
|---|
| 61 | #define SEEK_CUR 1
|
|---|
| 62 | #endif
|
|---|
| 63 |
|
|---|
| 64 | #ifndef SEEK_END
|
|---|
| 65 | #define SEEK_END 2
|
|---|
| 66 | #endif
|
|---|
| 67 |
|
|---|
| 68 | enum _buffer_type {
|
|---|
| 69 | /** No buffering */
|
|---|
| 70 | _IONBF,
|
|---|
| 71 | /** Line buffering */
|
|---|
| 72 | _IOLBF,
|
|---|
| 73 | /** Full buffering */
|
|---|
| 74 | _IOFBF
|
|---|
| 75 | };
|
|---|
| 76 |
|
|---|
| 77 | typedef struct {
|
|---|
| 78 | /** Linked list pointer. */
|
|---|
| 79 | link_t link;
|
|---|
| 80 |
|
|---|
| 81 | /** Underlying file descriptor. */
|
|---|
| 82 | int fd;
|
|---|
| 83 |
|
|---|
| 84 | /** Error indicator. */
|
|---|
| 85 | int error;
|
|---|
| 86 |
|
|---|
| 87 | /** End-of-file indicator. */
|
|---|
| 88 | int eof;
|
|---|
| 89 |
|
|---|
| 90 | /** Klog indicator */
|
|---|
| 91 | int klog;
|
|---|
| 92 |
|
|---|
| 93 | /** Phone to the file provider */
|
|---|
| 94 | int phone;
|
|---|
| 95 |
|
|---|
| 96 | /** Buffering type */
|
|---|
| 97 | enum _buffer_type btype;
|
|---|
| 98 | /** Buffer */
|
|---|
| 99 | uint8_t *buf;
|
|---|
| 100 | /** Buffer size */
|
|---|
| 101 | size_t buf_size;
|
|---|
| 102 | /** Buffer I/O pointer */
|
|---|
| 103 | uint8_t *buf_head;
|
|---|
| 104 | } FILE;
|
|---|
| 105 |
|
|---|
| 106 | extern FILE *stdin;
|
|---|
| 107 | extern FILE *stdout;
|
|---|
| 108 | extern FILE *stderr;
|
|---|
| 109 |
|
|---|
| 110 | /* Character and string input functions */
|
|---|
| 111 | extern int fgetc(FILE *);
|
|---|
| 112 | extern char *fgets(char *, int, FILE *);
|
|---|
| 113 |
|
|---|
| 114 | extern int getchar(void);
|
|---|
| 115 | extern char *gets(char *, size_t);
|
|---|
| 116 |
|
|---|
| 117 | /* Character and string output functions */
|
|---|
| 118 | extern int fputc(wchar_t, FILE *);
|
|---|
| 119 | extern int fputs(const char *, FILE *);
|
|---|
| 120 |
|
|---|
| 121 | extern int putchar(wchar_t);
|
|---|
| 122 | extern int puts(const char *);
|
|---|
| 123 |
|
|---|
| 124 | /* Formatted string output functions */
|
|---|
| 125 | extern int fprintf(FILE *, const char*, ...);
|
|---|
| 126 | extern int vfprintf(FILE *, const char *, va_list);
|
|---|
| 127 |
|
|---|
| 128 | extern int printf(const char *, ...);
|
|---|
| 129 | extern int vprintf(const char *, va_list);
|
|---|
| 130 |
|
|---|
| 131 | extern int snprintf(char *, size_t , const char *, ...);
|
|---|
| 132 | extern int asprintf(char **, const char *, ...);
|
|---|
| 133 | extern int vsnprintf(char *, size_t, const char *, va_list);
|
|---|
| 134 |
|
|---|
| 135 | /* File stream functions */
|
|---|
| 136 | extern FILE *fopen(const char *, const char *);
|
|---|
| 137 | extern FILE *fdopen(int, const char *);
|
|---|
| 138 | extern int fclose(FILE *);
|
|---|
| 139 |
|
|---|
| 140 | extern size_t fread(void *, size_t, size_t, FILE *);
|
|---|
| 141 | extern size_t fwrite(const void *, size_t, size_t, FILE *);
|
|---|
| 142 |
|
|---|
| 143 | extern int fseek(FILE *, off64_t, int);
|
|---|
| 144 | extern void rewind(FILE *);
|
|---|
| 145 | extern off64_t ftell(FILE *);
|
|---|
| 146 | extern int feof(FILE *);
|
|---|
| 147 |
|
|---|
| 148 | extern int fflush(FILE *);
|
|---|
| 149 | extern int ferror(FILE *);
|
|---|
| 150 | extern void clearerr(FILE *);
|
|---|
| 151 |
|
|---|
| 152 | extern void setvbuf(FILE *, void *, int, size_t);
|
|---|
| 153 |
|
|---|
| 154 | /* Misc file functions */
|
|---|
| 155 | extern int rename(const char *, const char *);
|
|---|
| 156 |
|
|---|
| 157 | #endif
|
|---|
| 158 |
|
|---|
| 159 | /** @}
|
|---|
| 160 | */
|
|---|
