| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | stdio replacement
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| 4 | Copyright (C) Andrew Tridgell 2001
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | #ifndef _XFILE_H_
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| 21 | #define _XFILE_H_
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| 22 | /*
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| 23 | see xfile.c for explanations
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| 24 | */
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| 25 |
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| 26 | typedef struct _XFILE {
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| 27 | int fd;
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| 28 | char *buf;
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| 29 | char *next;
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| 30 | int bufsize;
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| 31 | int bufused;
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| 32 | int open_flags;
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| 33 | int buftype;
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| 34 | int flags;
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| 35 | } XFILE;
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| 36 |
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| 37 | extern XFILE *x_stdin, *x_stdout, *x_stderr;
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| 38 |
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| 39 | /* buffering type */
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| 40 | #define X_IOFBF 0
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| 41 | #define X_IOLBF 1
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| 42 | #define X_IONBF 2
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| 43 |
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| 44 | #define x_getc(f) x_fgetc(f)
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| 45 |
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| 46 | int x_vfprintf(XFILE *f, const char *format, va_list ap) PRINTF_ATTRIBUTE(2, 0);
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| 47 | int x_fprintf(XFILE *f, const char *format, ...) PRINTF_ATTRIBUTE(2, 3);
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| 48 |
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| 49 | /** simulate setvbuf() */
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| 50 | int x_setvbuf(XFILE *f, char *buf, int mode, size_t size);
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| 51 |
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| 52 | /** this looks more like open() than fopen(), but that is quite deliberate.
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| 53 | I want programmers to *think* about O_EXCL, O_CREAT etc not just
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| 54 | get them magically added
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| 55 | */
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| 56 | XFILE *x_fopen(const char *fname, int flags, mode_t mode);
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| 57 |
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| 58 | /** simulate fclose() */
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| 59 | int x_fclose(XFILE *f);
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| 60 |
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| 61 | /** simulate fwrite() */
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| 62 | size_t x_fwrite(const void *p, size_t size, size_t nmemb, XFILE *f);
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| 63 |
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| 64 | /** thank goodness for asprintf() */
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| 65 | int x_fileno(const XFILE *f);
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| 66 |
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| 67 | /** simulate fflush() */
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| 68 | int x_fflush(XFILE *f);
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| 69 |
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| 70 | /** simulate setbuffer() */
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| 71 | void x_setbuffer(XFILE *f, char *buf, size_t size);
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| 72 |
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| 73 | /** simulate setbuf() */
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| 74 | void x_setbuf(XFILE *f, char *buf);
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| 75 |
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| 76 | /** simulate setlinebuf() */
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| 77 | void x_setlinebuf(XFILE *f);
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| 78 |
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| 79 | /** simulate feof() */
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| 80 | int x_feof(XFILE *f);
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| 81 |
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| 82 | /** simulate ferror() */
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| 83 | int x_ferror(XFILE *f);
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| 84 |
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| 85 | /** simulate fgetc() */
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| 86 | int x_fgetc(XFILE *f);
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| 87 |
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| 88 | /** simulate fread */
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| 89 | size_t x_fread(void *p, size_t size, size_t nmemb, XFILE *f);
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| 90 |
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| 91 | /** simulate fgets() */
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| 92 | char *x_fgets(char *s, int size, XFILE *stream) ;
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| 93 |
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| 94 | /**
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| 95 | * trivial seek, works only for SEEK_SET and SEEK_END if SEEK_CUR is
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| 96 | * set then an error is returned */
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| 97 | off_t x_tseek(XFILE *f, off_t offset, int whence);
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| 98 |
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| 99 | XFILE *x_fdup(const XFILE *f);
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| 100 |
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| 101 | #endif /* _XFILE_H_ */
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