]> git.ipfire.org Git - thirdparty/git.git/blame - test-line-buffer.c
Merge branch 'jc/log-quiet-fix'
[thirdparty/git.git] / test-line-buffer.c
CommitLineData
3bbaec00
DB
1/*
2 * test-line-buffer.c: code to exercise the svn importer's input helper
3bbaec00
DB
3 */
4
5#include "git-compat-util.h"
e832f43c 6#include "strbuf.h"
3bbaec00
DB
7#include "vcs-svn/line_buffer.h"
8
9static uint32_t strtouint32(const char *s)
10{
11 char *end;
12 uintmax_t n = strtoumax(s, &end, 10);
13 if (*s == '\0' || *end != '\0')
14 die("invalid count: %s", s);
15 return (uint32_t) n;
16}
17
850c5ea4
JN
18static void handle_command(const char *command, const char *arg, struct line_buffer *buf)
19{
20 switch (*command) {
e832f43c
JN
21 case 'b':
22 if (!prefixcmp(command, "binary ")) {
23 struct strbuf sb = STRBUF_INIT;
24 strbuf_addch(&sb, '>');
25 buffer_read_binary(buf, &sb, strtouint32(arg));
26 fwrite(sb.buf, 1, sb.len, stdout);
27 strbuf_release(&sb);
28 return;
29 }
850c5ea4
JN
30 case 'c':
31 if (!prefixcmp(command, "copy ")) {
7b990c90 32 buffer_copy_bytes(buf, strtouint32(arg));
850c5ea4
JN
33 return;
34 }
7b990c90
JN
35 case 's':
36 if (!prefixcmp(command, "skip ")) {
37 buffer_skip_bytes(buf, strtouint32(arg));
850c5ea4
JN
38 return;
39 }
40 default:
41 die("unrecognized command: %s", command);
42 }
43}
44
45static void handle_line(const char *line, struct line_buffer *stdin_buf)
46{
47 const char *arg = strchr(line, ' ');
48 if (!arg)
49 die("no argument in line: %s", line);
50 handle_command(line, arg + 1, stdin_buf);
51}
52
3bbaec00
DB
53int main(int argc, char *argv[])
54{
850c5ea4 55 struct line_buffer stdin_buf = LINE_BUFFER_INIT;
d280f683
JN
56 struct line_buffer file_buf = LINE_BUFFER_INIT;
57 struct line_buffer *input = &stdin_buf;
58 const char *filename;
3bbaec00
DB
59 char *s;
60
d280f683
JN
61 if (argc == 1)
62 filename = NULL;
63 else if (argc == 2)
64 filename = argv[1];
65 else
cb3f87cf 66 usage("test-line-buffer [file | &fd] < script");
850c5ea4
JN
67
68 if (buffer_init(&stdin_buf, NULL))
3bbaec00 69 die_errno("open error");
d280f683 70 if (filename) {
cb3f87cf
JN
71 if (*filename == '&') {
72 if (buffer_fdinit(&file_buf, strtouint32(filename + 1)))
73 die_errno("error opening fd %s", filename + 1);
74 } else {
75 if (buffer_init(&file_buf, filename))
76 die_errno("error opening %s", filename);
77 }
d280f683
JN
78 input = &file_buf;
79 }
80
850c5ea4 81 while ((s = buffer_read_line(&stdin_buf)))
d280f683
JN
82 handle_line(s, input);
83
84 if (filename && buffer_deinit(&file_buf))
85 die("error reading from %s", filename);
850c5ea4 86 if (buffer_deinit(&stdin_buf))
3bbaec00
DB
87 die("input error");
88 if (ferror(stdout))
89 die("output error");
850c5ea4 90 buffer_reset(&stdin_buf);
3bbaec00
DB
91 return 0;
92}