freshlybakedca.ke
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1#define USE_THE_REPOSITORY_VARIABLE
2
3#include "git-compat-util.h"
4#include "copy.h"
5#include "path.h"
6#include "gettext.h"
7#include "strbuf.h"
8#include "abspath.h"
9
10int copy_fd(int ifd, int ofd)
11{
12 while (1) {
13 char buffer[8192];
14 ssize_t len = xread(ifd, buffer, sizeof(buffer));
15 if (!len)
16 break;
17 if (len < 0)
18 return COPY_READ_ERROR;
19 if (write_in_full(ofd, buffer, len) < 0)
20 return COPY_WRITE_ERROR;
21 }
22 return 0;
23}
24
25static int copy_times(const char *dst, const char *src)
26{
27 struct stat st;
28 struct utimbuf times;
29 if (stat(src, &st) < 0)
30 return -1;
31 times.actime = st.st_atime;
32 times.modtime = st.st_mtime;
33 if (utime(dst, ×) < 0)
34 return -1;
35 return 0;
36}
37
38int copy_file(const char *dst, const char *src, int mode)
39{
40 int fdi, fdo, status;
41
42 mode = (mode & 0111) ? 0777 : 0666;
43 if ((fdi = open(src, O_RDONLY)) < 0)
44 return fdi;
45 if ((fdo = open(dst, O_WRONLY | O_CREAT | O_EXCL, mode)) < 0) {
46 close(fdi);
47 return fdo;
48 }
49 status = copy_fd(fdi, fdo);
50 switch (status) {
51 case COPY_READ_ERROR:
52 error_errno("copy-fd: read returned");
53 break;
54 case COPY_WRITE_ERROR:
55 error_errno("copy-fd: write returned");
56 break;
57 }
58 close(fdi);
59 if (close(fdo) != 0)
60 return error_errno("%s: close error", dst);
61
62 if (!status && adjust_shared_perm(the_repository, dst))
63 return -1;
64
65 return status;
66}
67
68int copy_file_with_time(const char *dst, const char *src, int mode)
69{
70 int status = copy_file(dst, src, mode);
71 if (!status)
72 return copy_times(dst, src);
73 return status;
74}