instant ^E

[dmenu.git] / dmenu_path.c

diff --git a/dmenu_path.c b/dmenu_path.c
index 1575f1d..407477a 100644 (file)
--- a/dmenu_path.c
+++ b/dmenu_path.c
@@ -1,32 +1,30 @@
 /* See LICENSE file for copyright and license details. */
 #include <dirent.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/stat.h>
 
-#define CACHE ".dmenu_cache"
-
-static int qstrcmp(const void *a, const void *b);
 static void die(const char *s);
+static int qstrcmp(const void *a, const void *b);
 static void scan(void);
 static int uptodate(void);
 
 static char **items = NULL;
-static const char *Home, *Path;
-static size_t count = 0;
+static const char *home, *path;
 
 int
 main(void) {
-       if(!(Home = getenv("HOME")))
+       if(!(home = getenv("HOME")))
                die("no $HOME");
-       if(!(Path = getenv("PATH")))
+       if(!(path = getenv("PATH")))
                die("no $PATH");
-       if(chdir(Home) < 0)
+       if(chdir(home) < 0)
                die("chdir failed");
        if(uptodate()) {
-               execlp("cat", "cat", CACHE, NULL);
+               execl("/bin/cat", "cat", CACHE, NULL);
                die("exec failed");
        }
        scan();
@@ -47,15 +45,16 @@ qstrcmp(const void *a, const void *b) {
 void
 scan(void) {
        char buf[PATH_MAX];
-       char *dir, *path;
-       size_t i;
+       char *dir, *p;
+       size_t i, count;
        struct dirent *ent;
        DIR *dp;
        FILE *cache;
 
-       if(!(path = strdup(Path)))
+       count = 0;
+       if(!(p = strdup(path)))
                die("strdup failed");
-       for(dir = strtok(path, ":"); dir; dir = strtok(NULL, ":")) {
+       for(dir = strtok(p, ":"); dir; dir = strtok(NULL, ":")) {
                if(!(dp = opendir(dir)))
                        continue;
                while((ent = readdir(dp))) {
@@ -79,23 +78,23 @@ scan(void) {
                fprintf(stdout, "%s\n", items[i]);
        }
        fclose(cache);
-       free(path);
+       free(p);
 }
 
 int
 uptodate(void) {
-       char *dir, *path;
+       char *dir, *p;
        time_t mtime;
        struct stat st;
 
        if(stat(CACHE, &st) < 0)
                return 0;
        mtime = st.st_mtime;
-       if(!(path = strdup(Path)))
+       if(!(p = strdup(path)))
                die("strdup failed");
-       for(dir = strtok(path, ":"); dir; dir = strtok(NULL, ":"))
+       for(dir = strtok(p, ":"); dir; dir = strtok(NULL, ":"))
                if(!stat(dir, &st) && st.st_mtime > mtime)
                        return 0;
-       free(path);
+       free(p);
        return 1;
 }