add remove commands to dxvk and wine

1 files changed, 54 insertions, 2 deletions

diff --git a/src/common.c b/src/common.c
index c5d9435..9b0ab51 100644
--- a/src/common.c
+++ b/src/common.c
@@ -3,6 +3,9 @@
 #include <string.h>
 #include <stdbool.h>
 #include <sys/stat.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <dirent.h>
 
 #include "common.h"
 
@@ -49,14 +52,63 @@ bool isDir(const char* path)
     return S_ISDIR(sb.st_mode) || S_ISLNK(sb.st_mode);
 }
 
-void makeDir(const char* path)
+int makeDir(const char* path)
 {
     // we do not care about the contents but what stat returns
     struct stat sb;
 
     if (stat(path, &sb) < 0)
     {
-        mkdir(path, 0755);
+        return mkdir(path, 0755);
     }
+
+    return 0; // directory exists, pretend we made it
 }
 
+int removeDir(const char *path) {
+    DIR *d = opendir(path);
+    size_t path_len = strlen(path);
+    int r = -1;
+
+    if (d) {
+        struct dirent *p;
+
+        r = 0;
+        while (!r && (p=readdir(d))) {
+            char *buf;
+            size_t len;
+
+            // Skip the names "." and ".." as we don't want to recurse on them.
+            if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
+                continue;
+
+            len = path_len + strlen(p->d_name) + 2; 
+            buf = malloc(len);
+
+            if (buf) {
+                struct stat statbuf = {0};
+
+                snprintf(buf, len, "%s/%s", path, p->d_name);
+                if (!stat(buf, &statbuf)) {
+                    if (S_ISDIR(statbuf.st_mode))
+                        r = removeDir(buf);
+                    else if (S_ISLNK(statbuf.st_mode))
+                        r = unlink(buf);
+                    else
+                        r = remove(buf);
+                }
+                else // it is very likely that we found a dangling symlink which is not detected by stat
+                {
+                    r = unlink(buf);
+                }
+                free(buf);
+            }
+        }
+        closedir(d);
+    }
+
+    if (!r)
+        r = rmdir(path);
+
+    return r;
+}
\ No newline at end of file