use tmpfile() and revert my previous changes... convert() belongs here
[oweals/busybox.git] / coreutils / tail.c
index 8e6488931c8f0994019977ce4dcfa15b446f031f..ff77bde77e69b0ea206d9bea8a270cd850dd72a6 100644 (file)
  *
  */
 
-#include "busybox.h"
 
-#include <sys/types.h>
 #include <fcntl.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include "busybox.h"
 
-static struct suffix_mult tail_suffixes[] = {
+static const struct suffix_mult tail_suffixes[] = {
        { "b", 512 },
        { "k", 1024 },
        { "m", 1048576 },
        { NULL, 0 }
 };
 
-#ifndef BB_FEATURE_SIMPLE_TAIL
-static struct suffix_mult null_suffixes[] = {
-       { NULL, 0 }
-};
-#endif
-
-#define BYTES 0
-#define LINES 1
+static const int BYTES = 0;
+static const int LINES = 1;
 
 static char *tailbuf;
 static int taillen;
 static int newline;
 
-void tailbuf_append(char *buf, int len)
+static void tailbuf_append(char *buf, int len)
 {
        tailbuf = xrealloc(tailbuf, taillen + len);
        memcpy(tailbuf + taillen, buf, len);
        taillen += len;
 }
 
-void tailbuf_trunc()
+static void tailbuf_trunc()
 {
        char *s;
        s = memchr(tailbuf, '\n', taillen);
@@ -92,14 +90,14 @@ int tail_main(int argc, char **argv)
                                hide_headers = 1;
                                break;
                        case 's':
-                               sleep_period = parse_number(optarg, null_suffixes);
+                               sleep_period = parse_number(optarg, 0);
                                break;
                        case 'v':
                                show_headers = 1;
                                break;
 #endif
                        default:
-                               usage(tail_usage);
+                               show_usage();
                }
        }