X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=tools%2Fpatch%2Fpatches%2F001-fix-macos-vasnprintf.patch;fp=tools%2Fpatch%2Fpatches%2F001-fix-macos-vasnprintf.patch;h=e41315d34ec7d2462035c27c344215688b18c4f6;hb=25c045763a08a579feb6e42f9361edd1ca6333ae;hp=0000000000000000000000000000000000000000;hpb=569f74ef49bae9326a723050a400346686983d86;p=openwrt%2F.git

diff --git a/tools/patch/patches/001-fix-macos-vasnprintf.patch b/tools/patch/patches/001-fix-macos-vasnprintf.patch
new file mode 100644
index 0000000000..e41315d34e
--- /dev/null
+++ b/tools/patch/patches/001-fix-macos-vasnprintf.patch
@@ -0,0 +1,25 @@
+--- a/lib/vasnprintf.c
++++ b/lib/vasnprintf.c
+@@ -4858,7 +4858,11 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *
+ #endif
+                   *fbp = dp->conversion;
+ #if USE_SNPRINTF
+-# if !(((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
++# if ! (((__GLIBC__ > 2                                                 \
++          || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3))                  \
++         && !defined __UCLIBC__)                                        \
++        || (defined __APPLE__ && defined __MACH__)                      \
++        || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
+                 fbp[1] = '%';
+                 fbp[2] = 'n';
+                 fbp[3] = '\0';
+@@ -4872,6 +4876,9 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *
+                    in format strings in writable memory may crash the program
+                    (if compiled with _FORTIFY_SOURCE=2), so we should avoid it
+                    in this situation.  */
++                /* macOS 10.13 High Sierra behaves like glibc with
++                   _FORTIFY_SOURCE=2, and older macOS releases
++                   presumably do not need %n.  */
+                 /* On native Windows systems (such as mingw), we can avoid using
+                    %n because:
+                      - Although the gl_SNPRINTF_TRUNCATION_C99 test fails,