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applying fix for:

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0000265: tail -f should keep following files even if they
                    were truncated
This commit is contained in:
Paul Fox 2005-07-20 19:46:32 +00:00
parent 982d35ffa2
commit 4905434b8a
1 changed files with 12 additions and 0 deletions
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12
coreutils/tail.c
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@ -79,7 +79,19 @@ static void tail_xbb_full_write(const char *buf, size_t len)
static ssize_t tail_read(int fd, char *buf, size_t count)
{
ssize_t r;
off_t current,end;
struct stat sbuf;
int ret;
end = current = lseek (fd, 0, SEEK_CUR);
if (!fstat(fd, &sbuf)){
end = sbuf.st_size;
}
if ( end < current) {
lseek(fd, 0, SEEK_SET);
} else {
lseek(fd, current, SEEK_SET);
}
if ((r = safe_read(fd, buf, count)) < 0) {
bb_perror_msg("read");
status = EXIT_FAILURE;