Add a simple recursive mkdir

Reviewed-by: Jared Adams

2 files changed, 119 insertions, 0 deletions

diff --git a/src/utils/mkdir.c b/src/utils/mkdir.c
new file mode 100644
index 00000000..930d2158
--- /dev/null
+++ b/src/utils/mkdir.c
@@ -0,0 +1,93 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2010  The Mana Developers
+ *
+ *  This file is part of The Mana Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <climits>
+#include <cstring>
+#include <cerrno>
+
+#if defined WIN32
+#include <windows.h>
+#else
+#include <sys/stat.h>
+#endif
+
+#ifdef _MKDIR_TEST_
+// compile with -D_MKDIR_TEST_ to get a standalone binary
+#include <cstdio>
+#include <cstdlib>
+#endif
+
+#include "mkdir.h"
+
+int mkdir_r(char *pathname){
+    char tmp[PATH_MAX];
+    char *p;
+    strncpy(tmp, pathname, sizeof(tmp)-1);
+
+    int len=strlen(tmp);
+
+    // terminate the pathname with '/'
+    if (tmp[len-1] != '/')
+        tmp[len] = '/';
+
+    for (p=tmp;*p;p++){
+#if defined WIN32
+        if (*p == '/' || *p == '\\')
+#else
+        if (*p == '/' || *p == '\\')
+#endif
+        {
+            *p = '\0';
+            // ignore a slash at the beginning of a path
+            if (strlen(tmp) == 0){
+                *p = '/';
+                continue;
+            }
+#if defined WIN32
+            if (!CreateDirectory(tmp, 0) &&
+                GetLastError() != ERROR_ALREADY_EXISTS)
+#else
+            if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) &&
+                errno != EEXIST)
+#endif
+            {
+#if defined WIN32
+                // hack, hack. just assume that x: might be a drive
+                // letter, and try again
+                if (!(strlen(tmp) == 2 &&
+                      !strcmp(tmp+1, ":")))
+#endif
+                return -1;
+            }
+
+#ifdef _MKDIR_TEST_
+            printf("%s\n", tmp);
+#endif
+            *p = '/';
+        }
+    }
+}
+
+#ifdef _MKDIR_TEST_
+int main(int argc, char** argv){
+    if (argc < 2) exit(1);
+    mkdir_r(argv[1]);
+}
+#endif
diff --git a/src/utils/mkdir.h b/src/utils/mkdir.h
new file mode 100644
index 00000000..07f3dda4
--- /dev/null
+++ b/src/utils/mkdir.h
@@ -0,0 +1,26 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2010  The Mana Developers
+ *
+ *  This file is part of The Mana Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _MKDIR_H
+#define _MKDIR_H
+
+int mkdir_r(char *pathname);
+
+#endif