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zed: remove unused zed_file_read_n()

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Same deal as zed_file_close_on_exec()

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11834
This commit is contained in:
наб 2021-04-02 17:32:51 +02:00 committed by Brian Behlendorf
parent 1a05182ba0
commit 0d0720eb52
2 changed files with 0 additions and 31 deletions
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29
cmd/zed/zed_file.c
View File

@ -24,35 +24,6 @@
#include "zed_file.h"
#include "zed_log.h"
/*
* Read up to [n] bytes from [fd] into [buf].
* Return the number of bytes read, 0 on EOF, or -1 on error.
*/
ssize_t
zed_file_read_n(int fd, void *buf, size_t n)
{
unsigned char *p;
size_t n_left;
ssize_t n_read;
p = buf;
n_left = n;
while (n_left > 0) {
if ((n_read = read(fd, p, n_left)) < 0) {
if (errno == EINTR)
continue;
else
return (-1);
} else if (n_read == 0) {
break;
}
n_left -= n_read;
p += n_read;
}
return (n - n_left);
}
/*
* Write [n] bytes from [buf] out to [fd].
* Return the number of bytes written, or -1 on error.

2
cmd/zed/zed_file.h
View File

@ -18,8 +18,6 @@
#include <sys/types.h>
#include <unistd.h>
ssize_t zed_file_read_n(int fd, void *buf, size_t n);
ssize_t zed_file_write_n(int fd, void *buf, size_t n);
int zed_file_lock(int fd);