Add comments explaining changes to upstream source files.

[wasi-libc.git] / libc-top-half / musl / include / ftw.h

diff --git a/libc-top-half/musl/include/ftw.h b/libc-top-half/musl/include/ftw.h
index d3a24263d4b778eb6158a104fbd915f8c4d1e996..2b1b270c777d39a1f94fcce0f985847ee67f8a81 100644 (file)
--- a/libc-top-half/musl/include/ftw.h
+++ b/libc-top-half/musl/include/ftw.h
@@ -26,13 +26,13 @@ struct FTW {
        int level;
 };
 
-#ifdef __wasilibc_unmodified_upstream
+#ifdef __wasilibc_unmodified_upstream /* WASI libc doesn't build the legacy functions */
 int ftw(const char *, int (*)(const char *, const struct stat *, int), int);
 #endif
 int nftw(const char *, int (*)(const char *, const struct stat *, int, struct FTW *), int, int);
 
 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
-#ifdef __wasilibc_unmodified_upstream
+#ifdef __wasilibc_unmodified_upstream /* WASI libc doesn't build the legacy functions */
 #define ftw64 ftw
 #endif
 #define nftw64 nftw