# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1352722689 -7200
# Node ID 28688eb812de5aa9c821268ec270fee397b34f0a
# Parent  1176c4b9ed93eac9f019f5f02e76bfaeca66c195
Add helper functions for checking if target path is writable, readable or directory and creating directory structures recursively.

diff -r 1176c4b9ed93 -r 28688eb812de main.c
--- a/main.c	Mon Nov 12 11:45:35 2012 +0200
+++ b/main.c	Mon Nov 12 14:18:09 2012 +0200
@@ -19,6 +19,7 @@
 #include <sys/wait.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 #endif
 
 #ifdef __WIN32
@@ -1578,6 +1579,67 @@
 }
 
 
+BOOL nn_mkdir_rec(const char *cpath)
+{
+    char save, *path = th_strdup(cpath);
+    size_t start = 0, end;
+    BOOL res = FALSE;
+
+    do
+    {
+        for (save = 0, end = start; path[end] != 0; end++)
+        if (path[end] == SET_DIR_SEPARATOR)
+        {
+            save = path[end];
+            path[end] = 0;
+            break;
+        }
+
+        if (path[start] != 0)
+        {
+#ifdef __WIN32
+            if (!CreateDirectory(path, NULL))
+                goto error;
+#else
+            if (mkdir(path, 711) < 0)
+                goto error;
+#endif
+        }
+
+        path[end] = save;
+        start = end + 1;
+    } while (save != 0);
+
+    res = TRUE;
+
+error:
+    th_free(path);
+    return res;
+}
+
+
+BOOL nn_stat_path(const char *path, BOOL *isDirectory, BOOL *isWritable, BOOL *isReadable)
+{
+#ifdef __WIN32
+    DWORD attr = GetFileAttributes(path);
+
+    *isDirectory = (attr & FILE_ATTRIBUTE_DIRECTORY);
+    *isWritable = (attr & FILE_ATTRIBUTE_READONLY) == 0 && *isDirectory == FALSE;
+    *isReadable = TRUE;
+#else
+    uid_t id = geteuid();
+    struct stat sb;
+    if (stat(path, &sb) < 0)
+        return FALSE;
+
+    *isDirectory = (S_ISDIR(sb.st_mode));
+    *isWritable = (id == sb.st_uid && (sb.st_mode & S_IWUSR));
+    *isReadable = (id == sb.st_uid && (sb.st_mode & S_IRUSR));
+#endif
+    return TRUE;
+}
+
+
 int main(int argc, char *argv[])
 {
     char *tmpStr;