diff options
Diffstat (limited to 'tools/perf/util/abspath.c')
-rw-r--r-- | tools/perf/util/abspath.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/tools/perf/util/abspath.c b/tools/perf/util/abspath.c index a791dd467261..0e76affe9c36 100644 --- a/tools/perf/util/abspath.c +++ b/tools/perf/util/abspath.c | |||
@@ -1,86 +1,5 @@ | |||
1 | #include "cache.h" | 1 | #include "cache.h" |
2 | 2 | ||
3 | /* | ||
4 | * Do not use this for inspecting *tracked* content. When path is a | ||
5 | * symlink to a directory, we do not want to say it is a directory when | ||
6 | * dealing with tracked content in the working tree. | ||
7 | */ | ||
8 | static int is_directory(const char *path) | ||
9 | { | ||
10 | struct stat st; | ||
11 | return (!stat(path, &st) && S_ISDIR(st.st_mode)); | ||
12 | } | ||
13 | |||
14 | /* We allow "recursive" symbolic links. Only within reason, though. */ | ||
15 | #define MAXDEPTH 5 | ||
16 | |||
17 | const char *make_absolute_path(const char *path) | ||
18 | { | ||
19 | static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1]; | ||
20 | char cwd[1024] = ""; | ||
21 | int buf_index = 1, len; | ||
22 | |||
23 | int depth = MAXDEPTH; | ||
24 | char *last_elem = NULL; | ||
25 | struct stat st; | ||
26 | |||
27 | if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) | ||
28 | die ("Too long path: %.*s", 60, path); | ||
29 | |||
30 | while (depth--) { | ||
31 | if (!is_directory(buf)) { | ||
32 | char *last_slash = strrchr(buf, '/'); | ||
33 | if (last_slash) { | ||
34 | *last_slash = '\0'; | ||
35 | last_elem = xstrdup(last_slash + 1); | ||
36 | } else { | ||
37 | last_elem = xstrdup(buf); | ||
38 | *buf = '\0'; | ||
39 | } | ||
40 | } | ||
41 | |||
42 | if (*buf) { | ||
43 | if (!*cwd && !getcwd(cwd, sizeof(cwd))) | ||
44 | die ("Could not get current working directory"); | ||
45 | |||
46 | if (chdir(buf)) | ||
47 | die ("Could not switch to '%s'", buf); | ||
48 | } | ||
49 | if (!getcwd(buf, PATH_MAX)) | ||
50 | die ("Could not get current working directory"); | ||
51 | |||
52 | if (last_elem) { | ||
53 | len = strlen(buf); | ||
54 | |||
55 | if (len + strlen(last_elem) + 2 > PATH_MAX) | ||
56 | die ("Too long path name: '%s/%s'", | ||
57 | buf, last_elem); | ||
58 | buf[len] = '/'; | ||
59 | strcpy(buf + len + 1, last_elem); | ||
60 | free(last_elem); | ||
61 | last_elem = NULL; | ||
62 | } | ||
63 | |||
64 | if (!lstat(buf, &st) && S_ISLNK(st.st_mode)) { | ||
65 | len = readlink(buf, next_buf, PATH_MAX); | ||
66 | if (len < 0) | ||
67 | die ("Invalid symlink: %s", buf); | ||
68 | if (PATH_MAX <= len) | ||
69 | die("symbolic link too long: %s", buf); | ||
70 | next_buf[len] = '\0'; | ||
71 | buf = next_buf; | ||
72 | buf_index = 1 - buf_index; | ||
73 | next_buf = bufs[buf_index]; | ||
74 | } else | ||
75 | break; | ||
76 | } | ||
77 | |||
78 | if (*cwd && chdir(cwd)) | ||
79 | die ("Could not change back to '%s'", cwd); | ||
80 | |||
81 | return buf; | ||
82 | } | ||
83 | |||
84 | static const char *get_pwd_cwd(void) | 3 | static const char *get_pwd_cwd(void) |
85 | { | 4 | { |
86 | static char cwd[PATH_MAX + 1]; | 5 | static char cwd[PATH_MAX + 1]; |