36 lines
1011 B
C
36 lines
1011 B
C
#ifndef __FILEUTIL_H__
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# define __FILEUTIL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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#include <stdbool.h>
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#include <fcntl.h>
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/* Open a file descriptor in a pre-allocated FILE. */
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int __fp_open(FILE *fp, int fd, bool use_buffering);
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/* Close fp and free all of its resources. */
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void __fp_close(FILE *fp, bool free_fp);
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/* Reads data from a file descriptor; updates the fdpos and sets the error
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indicator. Returns 0 on success, EOF on error. */
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ssize_t __fp_read(FILE *fp, void *data, size_t size);
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/* Write data to a file descriptor; updates the fdpos and sets the error
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indicator. Returns 0 on success, EOF on error. */
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ssize_t __fp_write(FILE *fp, void const *data, size_t size);
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/* Parse mode bits. Returns corresponding open() flags if successful, -1 if the
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mode is invalid. If [fp != NULL], also sets the fields of [fp]. Sets
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errno = EINVAL in case of error. */
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int __fp_parse_mode(char const *mode, FILE *fp);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__FILEUTIL_H__*/
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