65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
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#include "pkt-line.h"
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static void pack_line(const char *line)
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{
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if (!strcmp(line, "0000") || !strcmp(line, "0000\n"))
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packet_flush(1);
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else if (!strcmp(line, "0001") || !strcmp(line, "0001\n"))
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packet_delim(1);
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else
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packet_write_fmt(1, "%s", line);
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}
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static void pack(int argc, const char **argv)
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{
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if (argc) { /* read from argv */
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int i;
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for (i = 0; i < argc; i++)
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pack_line(argv[i]);
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} else { /* read from stdin */
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char line[LARGE_PACKET_MAX];
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while (fgets(line, sizeof(line), stdin)) {
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pack_line(line);
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}
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}
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}
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static void unpack(void)
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{
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struct packet_reader reader;
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packet_reader_init(&reader, 0, NULL, 0,
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PACKET_READ_GENTLE_ON_EOF |
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PACKET_READ_CHOMP_NEWLINE);
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while (packet_reader_read(&reader) != PACKET_READ_EOF) {
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switch (reader.status) {
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case PACKET_READ_EOF:
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break;
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case PACKET_READ_NORMAL:
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printf("%s\n", reader.line);
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break;
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case PACKET_READ_FLUSH:
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printf("0000\n");
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break;
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case PACKET_READ_DELIM:
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printf("0001\n");
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break;
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}
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}
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}
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int cmd_main(int argc, const char **argv)
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{
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if (argc < 2)
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die("too few arguments");
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if (!strcmp(argv[1], "pack"))
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pack(argc - 2, argv + 2);
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else if (!strcmp(argv[1], "unpack"))
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unpack();
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else
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die("invalid argument '%s'", argv[1]);
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return 0;
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}
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