✨ feat(components): add statfs, statfs64, fstatfs, fstatfs64 support

components/libc/compilers/common/include/sys/statfs.h

@@ -5,6 +5,7 @@
  *
  * Change Logs:
  * Date           Author       Notes
+ * 2023-03-27     xqyjlj       adapt musl
  */
 
 #ifndef __SYS_STATFS_H__
@@ -16,16 +17,31 @@
 extern "C" {
 #endif
 
+#ifdef RT_USING_MUSLLIBC
+/* this is required for musl <sys/statfs.h> */
+#ifndef _POSIX_SOURCE
+#define _POSIX_SOURCE
+#include_next <sys/statfs.h>
+/* limiting influence of _POSIX_SOURCE */
+#undef _POSIX_SOURCE
+
+#else /* def _POSIX_SOURCE */
+#include_next <sys/statfs.h>
+#endif
+#else
 struct statfs
 {
     size_t f_bsize;   /* block size */
     size_t f_blocks;  /* total data blocks in file system */
     size_t f_bfree;   /* free blocks in file system */
+    size_t f_bavail;  /* free blocks available to unprivileged user*/
 };
 
 int statfs(const char *path, struct statfs *buf);
 int fstatfs(int fd, struct statfs *buf);
 
+#endif
+
 #ifdef __cplusplus
 }
 #endif