1 | #include <ctype.h> |
---|---|
2 | #include <stdio.h> |
3 | #include <stdlib.h> |
4 | #include <sys/types.h> |
5 | |
6 | int |
7 | main (int argc, char *argv[]) |
8 | { |
9 | int n; |
10 | char *line = NULL; |
11 | size_t len = 0; |
12 | |
13 | if (argc == 1) |
14 | { |
15 | static char *new_argv[] = { NULL, (char *) "/dev/stdin", NULL }; |
16 | argv = new_argv; |
17 | argc = 2; |
18 | } |
19 | |
20 | for (n = 1; n < argc; ++n) |
21 | { |
22 | FILE *fp = fopen (argv[n], "r"); |
23 | if (fp == NULL) |
24 | continue; |
25 | |
26 | while (! feof (stream: fp)) |
27 | { |
28 | ssize_t cnt = getline (lineptr: &line, n: &len, stream: fp); |
29 | char *runp; |
30 | if (cnt <= 0) |
31 | break; |
32 | |
33 | runp = line; |
34 | do |
35 | { |
36 | if (runp[0] == '<' && runp[1] == 'U' && isxdigit (runp[2]) |
37 | && isxdigit (runp[3]) && isxdigit (runp[4]) |
38 | && isxdigit (runp[5]) && runp[6] == '>') |
39 | { |
40 | unsigned int val = strtoul (runp + 2, NULL, 16); |
41 | |
42 | //putchar ('<'); |
43 | if (val < 128) |
44 | putchar (c: val); |
45 | else if (val < 0x800) |
46 | { |
47 | putchar (c: 0xc0 | (val >> 6)); |
48 | putchar (c: 0x80 | (val & 0x3f)); |
49 | } |
50 | else |
51 | { |
52 | putchar (c: 0xe0 | (val >> 12)); |
53 | putchar (c: 0x80 | ((val >> 6) & 0x3f)); |
54 | putchar (c: 0x80 | (val & 0x3f)); |
55 | } |
56 | //putchar ('>'); |
57 | runp += 7; |
58 | } |
59 | else |
60 | putchar (c: *runp++); |
61 | } |
62 | while (runp < &line[cnt]); |
63 | } |
64 | |
65 | fclose (fp); |
66 | } |
67 | |
68 | return 0; |
69 | } |
70 |