Add lilv_temp_directory_path()

2 files changed, 23 insertions, 0 deletions

diff --git a/src/filesystem.c b/src/filesystem.c
index 6b17ccb..39ba2a2 100644
--- a/src/filesystem.c
+++ b/src/filesystem.c
@@ -68,6 +68,25 @@ is_windows_path(const char* path)
 }
 #endif
 
+char*
+lilv_temp_directory_path(void)
+{
+#ifdef _WIN32
+	DWORD len = GetTempPath(0, NULL);
+	char* buf = (char*)calloc(len, 1);
+	if (GetTempPath(len, buf) == 0) {
+		free(buf);
+		return NULL;
+	}
+
+	return buf;
+#else
+	const char* const tmpdir = getenv("TMPDIR");
+
+	return tmpdir ? lilv_strdup(tmpdir) : lilv_strdup("/tmp");
+#endif
+}
+
 bool
 lilv_path_is_absolute(const char* path)
 {
diff --git a/src/filesystem.h b/src/filesystem.h
index 9cf6e4b..8971372 100644
--- a/src/filesystem.h
+++ b/src/filesystem.h
@@ -17,6 +17,10 @@
 #include <stdbool.h>
 #include <stdio.h>
 
+/// Return the path to a directory suitable for making temporary files
+char*
+lilv_temp_directory_path(void);
+
 /// Return true iff `path` is an absolute path
 bool
 lilv_path_is_absolute(const char* path);