Merge branch 'en/rev-parse-invalid-range'
[git] / t / helper / test-pkt-line.c
1 #include "pkt-line.h"
2
3 static void pack_line(const char *line)
4 {
5         if (!strcmp(line, "0000") || !strcmp(line, "0000\n"))
6                 packet_flush(1);
7         else if (!strcmp(line, "0001") || !strcmp(line, "0001\n"))
8                 packet_delim(1);
9         else
10                 packet_write_fmt(1, "%s", line);
11 }
12
13 static void pack(int argc, const char **argv)
14 {
15         if (argc) { /* read from argv */
16                 int i;
17                 for (i = 0; i < argc; i++)
18                         pack_line(argv[i]);
19         } else { /* read from stdin */
20                 char line[LARGE_PACKET_MAX];
21                 while (fgets(line, sizeof(line), stdin)) {
22                         pack_line(line);
23                 }
24         }
25 }
26
27 static void unpack(void)
28 {
29         struct packet_reader reader;
30         packet_reader_init(&reader, 0, NULL, 0,
31                            PACKET_READ_GENTLE_ON_EOF |
32                            PACKET_READ_CHOMP_NEWLINE);
33
34         while (packet_reader_read(&reader) != PACKET_READ_EOF) {
35                 switch (reader.status) {
36                 case PACKET_READ_EOF:
37                         break;
38                 case PACKET_READ_NORMAL:
39                         printf("%s\n", reader.line);
40                         break;
41                 case PACKET_READ_FLUSH:
42                         printf("0000\n");
43                         break;
44                 case PACKET_READ_DELIM:
45                         printf("0001\n");
46                         break;
47                 }
48         }
49 }
50
51 int cmd_main(int argc, const char **argv)
52 {
53         if (argc < 2)
54                 die("too few arguments");
55
56         if (!strcmp(argv[1], "pack"))
57                 pack(argc - 2, argv + 2);
58         else if (!strcmp(argv[1], "unpack"))
59                 unpack();
60         else
61                 die("invalid argument '%s'", argv[1]);
62
63         return 0;
64 }