ffileread.c File Reference

#include "schilyio.h"

Include dependency graph for ffileread.c:

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Functions
EXPORT ssize_t	ffileread (FILE *f, void *buf, size_t len)

Function Documentation

ffileread()

EXPORT ssize_t ffileread	(	FILE *	f,
		void *	buf,
		size_t	len
	)

Definition at line 20 of file ffileread.c.

{
    register int        fd;
    register ssize_t    ret;
        int     oerrno = geterrno();
 
    down2(f, _IOREAD, _IORW);
    fd = fileno(f);
 
    while ((ret = read(fd, buf, len)) < 0 && geterrno() == EINTR) {
        /*
         * Set back old 'errno' so we don't change the errno visible
         * to the outside if we did not fail.
         */
        seterrno(oerrno);
    }
    return (ret);
}

Referenced by write_one_file().