diff options
Diffstat (limited to 'dmenu_path.c')
-rw-r--r-- | dmenu_path.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/dmenu_path.c b/dmenu_path.c deleted file mode 100644 index 407477a..0000000 --- a/dmenu_path.c +++ /dev/null | |||
@@ -1,100 +0,0 @@ | |||
1 | /* See LICENSE file for copyright and license details. */ | ||
2 | #include <dirent.h> | ||
3 | #include <limits.h> | ||
4 | #include <stdio.h> | ||
5 | #include <stdlib.h> | ||
6 | #include <string.h> | ||
7 | #include <unistd.h> | ||
8 | #include <sys/stat.h> | ||
9 | |||
10 | static void die(const char *s); | ||
11 | static int qstrcmp(const void *a, const void *b); | ||
12 | static void scan(void); | ||
13 | static int uptodate(void); | ||
14 | |||
15 | static char **items = NULL; | ||
16 | static const char *home, *path; | ||
17 | |||
18 | int | ||
19 | main(void) { | ||
20 | if(!(home = getenv("HOME"))) | ||
21 | die("no $HOME"); | ||
22 | if(!(path = getenv("PATH"))) | ||
23 | die("no $PATH"); | ||
24 | if(chdir(home) < 0) | ||
25 | die("chdir failed"); | ||
26 | if(uptodate()) { | ||
27 | execl("/bin/cat", "cat", CACHE, NULL); | ||
28 | die("exec failed"); | ||
29 | } | ||
30 | scan(); | ||
31 | return EXIT_SUCCESS; | ||
32 | } | ||
33 | |||
34 | void | ||
35 | die(const char *s) { | ||
36 | fprintf(stderr, "dmenu_path: %s\n", s); | ||
37 | exit(EXIT_FAILURE); | ||
38 | } | ||
39 | |||
40 | int | ||
41 | qstrcmp(const void *a, const void *b) { | ||
42 | return strcmp(*(const char **)a, *(const char **)b); | ||
43 | } | ||
44 | |||
45 | void | ||
46 | scan(void) { | ||
47 | char buf[PATH_MAX]; | ||
48 | char *dir, *p; | ||
49 | size_t i, count; | ||
50 | struct dirent *ent; | ||
51 | DIR *dp; | ||
52 | FILE *cache; | ||
53 | |||
54 | count = 0; | ||
55 | if(!(p = strdup(path))) | ||
56 | die("strdup failed"); | ||
57 | for(dir = strtok(p, ":"); dir; dir = strtok(NULL, ":")) { | ||
58 | if(!(dp = opendir(dir))) | ||
59 | continue; | ||
60 | while((ent = readdir(dp))) { | ||
61 | snprintf(buf, sizeof buf, "%s/%s", dir, ent->d_name); | ||
62 | if(ent->d_name[0] == '.' || access(buf, X_OK) < 0) | ||
63 | continue; | ||
64 | if(!(items = realloc(items, ++count * sizeof *items))) | ||
65 | die("malloc failed"); | ||
66 | if(!(items[count-1] = strdup(ent->d_name))) | ||
67 | die("strdup failed"); | ||
68 | } | ||
69 | closedir(dp); | ||
70 | } | ||
71 | qsort(items, count, sizeof *items, qstrcmp); | ||
72 | if(!(cache = fopen(CACHE, "w"))) | ||
73 | die("open failed"); | ||
74 | for(i = 0; i < count; i++) { | ||
75 | if(i > 0 && !strcmp(items[i], items[i-1])) | ||
76 | continue; | ||
77 | fprintf(cache, "%s\n", items[i]); | ||
78 | fprintf(stdout, "%s\n", items[i]); | ||
79 | } | ||
80 | fclose(cache); | ||
81 | free(p); | ||
82 | } | ||
83 | |||
84 | int | ||
85 | uptodate(void) { | ||
86 | char *dir, *p; | ||
87 | time_t mtime; | ||
88 | struct stat st; | ||
89 | |||
90 | if(stat(CACHE, &st) < 0) | ||
91 | return 0; | ||
92 | mtime = st.st_mtime; | ||
93 | if(!(p = strdup(path))) | ||
94 | die("strdup failed"); | ||
95 | for(dir = strtok(p, ":"); dir; dir = strtok(NULL, ":")) | ||
96 | if(!stat(dir, &st) && st.st_mtime > mtime) | ||
97 | return 0; | ||
98 | free(p); | ||
99 | return 1; | ||
100 | } | ||