libc-top-half/musl/include/stdio.h

   1 #ifndef _STDIO_H
   2 #define _STDIO_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 #define __NEED_FILE
  11 #define __NEED___isoc_va_list
  12 #define __NEED_size_t
  13
  14 #ifdef __wasilibc_unmodified_upstream /* WASI doesn't need to define FILE as a complete type */
  15 #if __STDC_VERSION__ < 201112L
  16 #define __NEED_struct__IO_FILE
  17 #endif
  18 #endif
  19
  20 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  21  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  22  || defined(_BSD_SOURCE)
  23 #define __NEED_ssize_t
  24 #define __NEED_off_t
  25 #define __NEED_va_list
  26 #endif
  27
  28 #include <bits/alltypes.h>
  29
  30 #ifdef __wasilibc_unmodified_upstream /* Use the compiler's definition of NULL */
  31 #if __cplusplus >= 201103L
  32 #define NULL nullptr
  33 #elif defined(__cplusplus)
  34 #define NULL 0L
  35 #else
  36 #define NULL ((void*)0)
  37 #endif
  38 #else
  39 #define __need_NULL
  40 #include <stddef.h>
  41 #endif
  42
  43 #undef EOF
  44 #define EOF (-1)
  45
  46 #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  47 #undef SEEK_SET
  48 #undef SEEK_CUR
  49 #undef SEEK_END
  50 #define SEEK_SET 0
  51 #define SEEK_CUR 1
  52 #define SEEK_END 2
  53 #else
  54 #include <__seek.h>
  55 #endif
  56
  57 #define _IOFBF 0
  58 #define _IOLBF 1
  59 #define _IONBF 2
  60
  61 #define BUFSIZ 1024
  62 #define FILENAME_MAX 4096
  63 #define FOPEN_MAX 1000
  64 #ifdef __wasilibc_unmodified_upstream /* WASI has no temp directories */
  65 #define TMP_MAX 10000
  66 #define L_tmpnam 20
  67 #endif
  68
  69 typedef union _G_fpos64_t {
  70         char __opaque[16];
  71         long long __lldata;
  72         double __align;
  73 } fpos_t;
  74
  75 extern FILE *const stdin;
  76 extern FILE *const stdout;
  77 extern FILE *const stderr;
  78
  79 #define stdin  (stdin)
  80 #define stdout (stdout)
  81 #define stderr (stderr)
  82
  83 FILE *fopen(const char *__restrict, const char *__restrict);
  84 FILE *freopen(const char *__restrict, const char *__restrict, FILE *__restrict);
  85 int fclose(FILE *);
  86
  87 int remove(const char *);
  88 int rename(const char *, const char *);
  89
  90 int feof(FILE *);
  91 int ferror(FILE *);
  92 int fflush(FILE *);
  93 void clearerr(FILE *);
  94
  95 int fseek(FILE *, long, int);
  96 long ftell(FILE *);
  97 void rewind(FILE *);
  98
  99 int fgetpos(FILE *__restrict, fpos_t *__restrict);
 100 int fsetpos(FILE *, const fpos_t *);
 101
 102 size_t fread(void *__restrict, size_t, size_t, FILE *__restrict);
 103 size_t fwrite(const void *__restrict, size_t, size_t, FILE *__restrict);
 104
 105 int fgetc(FILE *);
 106 int getc(FILE *);
 107 int getchar(void);
 108 int ungetc(int, FILE *);
 109
 110 int fputc(int, FILE *);
 111 int putc(int, FILE *);
 112 int putchar(int);
 113
 114 char *fgets(char *__restrict, int, FILE *__restrict);
 115 #if __STDC_VERSION__ < 201112L
 116 #ifdef __wasilibc_unmodified_upstream /* gets is obsolete */
 117 char *gets(char *);
 118 #else
 119 char *gets(char *) __attribute__((__deprecated__("gets is not defined on WASI")));
 120 #endif
 121 #endif
 122
 123 int fputs(const char *__restrict, FILE *__restrict);
 124 int puts(const char *);
 125
 126 int printf(const char *__restrict, ...);
 127 int fprintf(FILE *__restrict, const char *__restrict, ...);
 128 int sprintf(char *__restrict, const char *__restrict, ...);
 129 int snprintf(char *__restrict, size_t, const char *__restrict, ...);
 130
 131 int vprintf(const char *__restrict, __isoc_va_list);
 132 int vfprintf(FILE *__restrict, const char *__restrict, __isoc_va_list);
 133 int vsprintf(char *__restrict, const char *__restrict, __isoc_va_list);
 134 int vsnprintf(char *__restrict, size_t, const char *__restrict, __isoc_va_list);
 135
 136 int scanf(const char *__restrict, ...);
 137 int fscanf(FILE *__restrict, const char *__restrict, ...);
 138 int sscanf(const char *__restrict, const char *__restrict, ...);
 139 int vscanf(const char *__restrict, __isoc_va_list);
 140 int vfscanf(FILE *__restrict, const char *__restrict, __isoc_va_list);
 141 int vsscanf(const char *__restrict, const char *__restrict, __isoc_va_list);
 142
 143 void perror(const char *);
 144
 145 int setvbuf(FILE *__restrict, char *__restrict, int, size_t);
 146 void setbuf(FILE *__restrict, char *__restrict);
 147
 148 #ifdef __wasilibc_unmodified_upstream /* WASI has no temp directories */
 149 char *tmpnam(char *);
 150 FILE *tmpfile(void);
 151 #else
 152 char *tmpnam(char *) __attribute__((__deprecated__("tmpnam is not defined on WASI")));
 153 FILE *tmpfile(void) __attribute__((__deprecated__("tmpfile is not defined on WASI")));
 154 #endif
 155
 156 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
 157  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
 158  || defined(_BSD_SOURCE)
 159 FILE *fmemopen(void *__restrict, size_t, const char *__restrict);
 160 FILE *open_memstream(char **, size_t *);
 161 FILE *fdopen(int, const char *);
 162 #ifdef __wasilibc_unmodified_upstream /* WASI has no popen */
 163 FILE *popen(const char *, const char *);
 164 int pclose(FILE *);
 165 #endif
 166 int fileno(FILE *);
 167 int fseeko(FILE *, off_t, int);
 168 off_t ftello(FILE *);
 169 int dprintf(int, const char *__restrict, ...);
 170 int vdprintf(int, const char *__restrict, __isoc_va_list);
 171 #if defined(__wasilibc_unmodified_upstream) || defined(_REENTRANT)
 172 void flockfile(FILE *);
 173 int ftrylockfile(FILE *);
 174 void funlockfile(FILE *);
 175 #endif
 176 int getc_unlocked(FILE *);
 177 int getchar_unlocked(void);
 178 int putc_unlocked(int, FILE *);
 179 int putchar_unlocked(int);
 180 ssize_t getdelim(char **__restrict, size_t *__restrict, int, FILE *__restrict);
 181 ssize_t getline(char **__restrict, size_t *__restrict, FILE *__restrict);
 182 int renameat(int, const char *, int, const char *);
 183 char *ctermid(char *);
 184 #define L_ctermid 20
 185 #endif
 186
 187
 188 #ifdef __wasilibc_unmodified_upstream /* WASI has no temp directories */
 189 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
 190  || defined(_BSD_SOURCE)
 191 #define P_tmpdir "/tmp"
 192 char *tempnam(const char *, const char *);
 193 #endif
 194 #endif
 195
 196 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 197 #define L_cuserid 20
 198 char *cuserid(char *);
 199 void setlinebuf(FILE *);
 200 void setbuffer(FILE *, char *, size_t);
 201 int fgetc_unlocked(FILE *);
 202 int fputc_unlocked(int, FILE *);
 203 int fflush_unlocked(FILE *);
 204 size_t fread_unlocked(void *, size_t, size_t, FILE *);
 205 size_t fwrite_unlocked(const void *, size_t, size_t, FILE *);
 206 void clearerr_unlocked(FILE *);
 207 int feof_unlocked(FILE *);
 208 int ferror_unlocked(FILE *);
 209 int fileno_unlocked(FILE *);
 210 int getw(FILE *);
 211 int putw(int, FILE *);
 212 char *fgetln(FILE *, size_t *);
 213 int asprintf(char **, const char *, ...);
 214 int vasprintf(char **, const char *, __isoc_va_list);
 215 #endif
 216
 217 #ifdef _GNU_SOURCE
 218 char *fgets_unlocked(char *, int, FILE *);
 219 int fputs_unlocked(const char *, FILE *);
 220
 221 typedef ssize_t (cookie_read_function_t)(void *, char *, size_t);
 222 typedef ssize_t (cookie_write_function_t)(void *, const char *, size_t);
 223 typedef int (cookie_seek_function_t)(void *, off_t *, int);
 224 typedef int (cookie_close_function_t)(void *);
 225
 226 typedef struct _IO_cookie_io_functions_t {
 227         cookie_read_function_t *read;
 228         cookie_write_function_t *write;
 229         cookie_seek_function_t *seek;
 230         cookie_close_function_t *close;
 231 } cookie_io_functions_t;
 232
 233 FILE *fopencookie(void *, const char *, cookie_io_functions_t);
 234 #endif
 235
 236 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
 237 #ifdef __wasilibc_unmodified_upstream /* WASI has no temp directories */
 238 #define tmpfile64 tmpfile
 239 #endif
 240 #define fopen64 fopen
 241 #define freopen64 freopen
 242 #define fseeko64 fseeko
 243 #define ftello64 ftello
 244 #define fgetpos64 fgetpos
 245 #define fsetpos64 fsetpos
 246 #define fpos64_t fpos_t
 247 #define off64_t off_t
 248 #endif
 249
 250 #ifdef __cplusplus
 251 }
 252 #endif
 253
 254 #endif