[PATCHv2 07/12] installer: Add recurisve mkdir function

[Stefan Schantl <stefan.schantl@ipfire.org>]

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Signed-off-by: Stefan Schantl <stefan.schantl(a)ipfire.org>
---
 src/installer/hw.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/src/installer/hw.c b/src/installer/hw.c
index 8396d83cf..3fa8b889e 100644
--- a/src/installer/hw.c
+++ b/src/installer/hw.c
@@ -1281,6 +1281,49 @@ int hw_restore_backup(const char* output, const char* backup_path, const char* d
 	return 0;
 }
 
+int hw_mkdir(const char *dir) {
+	char tmp[STRING_SIZE];
+	char *p = NULL;
+	size_t len;
+	int r;
+
+	snprintf(tmp, sizeof(tmp),"%s",dir);
+	len = strlen(tmp);
+
+	if (tmp[len - 1] == '/') {
+		tmp[len - 1] = 0;
+	}
+
+	for (p = tmp + 1; *p; p++) {
+		if (*p == '/') {
+			*p = 0;
+
+			// Create target if it does not exist
+			if (access(tmp, X_OK) != 0) {
+				r = mkdir(tmp, S_IRWXU|S_IRWXG|S_IRWXO);
+
+				if (r) {
+					return r;
+				}
+			}
+
+			*p = '/';
+		}
+	}
+
+	// Create target if it does not exist
+	if (access(tmp, X_OK) != 0) {
+		r = mkdir(tmp, S_IRWXU|S_IRWXG|S_IRWXO);
+
+		if (r) {
+			return r;
+		}
+	}
+
+	return 0;
+}
+
+
 int hw_create_btrfs_subvolume(const char* output, const char* subvolume) {
 	char command [STRING_SIZE];
 	int r;
-- 
2.39.2