suckless-tools-38 hurd patch (PATH_MAX)

[Tanguy LE CARROUR]

Hi!

Another (small) one if some of you guys have time to review some code.

Cheers,
Tanguy

--- old/suckless-tools-38/dmenu/dmenu_path.c    2012-01-31 13:02:23.226833682 
+0100
+++ suckless-tools-38/dmenu/dmenu_path.c        2012-01-31 14:01:10.282784329 
+0100
@@ -46,7 +46,9 @@

 void
 scan(void) {
-       char buf[PATH_MAX];
+       char *buf = NULL;
+       char *new_buf = NULL;
+       size_t buf_size = 0;
        char *dir, *p;
        size_t i, count;
        struct dirent *ent;
@@ -60,6 +62,13 @@
                if(!(dp = opendir(dir)))
                        continue;
                while((ent = readdir(dp))) {
+                       buf_size = strlen(dir)+strlen(ent->d_name)+2;
+                       if(!buf || strlen(buf) < buf_size) {
+                               new_buf = realloc(buf, buf_size);
+                               if(!new_buf)
+                                       die("realloc failed");
+                               buf = new_buf;
+                       }
                        snprintf(buf, sizeof buf, "%s/%s", dir, ent->d_name);
                        if(ent->d_name[0] == '.' || access(buf, X_OK) < 0)
                                continue;
@@ -68,6 +77,7 @@
                        if(!(items[count-1] = strdup(ent->d_name)))
                                die("strdup failed");
                }
+               free(buf);
                closedir(dp);
        }
        qsort(items, count, sizeof *items, qstrcmp);

suckless-tools.hurd.patch
Description: Binary data