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-Erik
This commit is contained in:
Erik Andersen
2000-02-11 21:55:04 +00:00
parent 5e1b2ca116
commit 9ffdaa647e
24 changed files with 483 additions and 414 deletions
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15
coreutils/tail.c
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@ -1,5 +1,6 @@
/* vi: set sw=4 ts=4: */
#include "internal.h"
/* This file contains _two_ implementations of tail. One is
* a bit more full featured, but costs 6k. The other (i.e. the
* SIMPLE_TAIL one) is less capable, but is good enough for about
@ -51,7 +52,7 @@
#define XWRITE(fd, buffer, n_bytes) \
do { \
if (n_bytes > 0 && fwrite ((buffer), 1, (n_bytes), stdout) == 0) \
error("write error"); \
errorMsg("write error"); \
} while (0)
/* Number of items to tail. */
@ -117,7 +118,7 @@ file_lines(const char *filename, int fd, long int n_lines, off_t pos)
lseek(fd, pos, SEEK_SET);
bytes_read = fullRead(fd, buffer, bytes_read);
if (bytes_read == -1)
error("read error");
errorMsg("read error");
/* Count the incomplete line on files that don't end with a newline. */
if (bytes_read && buffer[bytes_read - 1] != '\n')
@ -147,7 +148,7 @@ file_lines(const char *filename, int fd, long int n_lines, off_t pos)
}
while ((bytes_read = fullRead(fd, buffer, BUFSIZ)) > 0);
if (bytes_read == -1)
error("read error");
errorMsg("read error");
return 0;
}
@ -209,7 +210,7 @@ static int pipe_lines(const char *filename, int fd, long int n_lines)
}
}
if (tmp->nbytes == -1)
error("read error");
errorMsg("read error");
free((char *) tmp);
@ -272,7 +273,7 @@ static long dump_remainder(const char *filename, int fd)
total += bytes_read;
}
if (bytes_read == -1)
error("read error");
errorMsg("read error");
if (forever) {
fflush(stdout);
sleep(1);
@ -294,7 +295,7 @@ static int tail_lines(const char *filename, int fd, long int n_lines)
write_header(filename);
if (fstat(fd, &stats))
error("fstat error");
errorMsg("fstat error");
/* Use file_lines only if FD refers to a regular file with
its file pointer positioned at beginning of file. */
@ -329,7 +330,7 @@ static int tail_file(const char *filename, off_t n_units)
/* Not standard input. */
fd = open(filename, O_RDONLY);
if (fd == -1)
error("open error");
errorMsg("open error");
errors = tail_lines(filename, fd, (long) n_units);
close(fd);