diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2018-02-25 10:09:53 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2018-02-26 20:17:27 +0000 |
| commit | 3b7272d7dd160830323aaf1cac5f15506258ba04 (patch) | |
| tree | a2db619e43eab4a109ada70182122c43bab64b4b /package/m4/patches | |
| parent | 809fd79b9ad5e849d13034ab48b7501e68e9cda0 (diff) | |
m4: update to 1.4.18, fix Mac High Sierra issue
Diffstat (limited to 'package/m4/patches')
| -rw-r--r-- | package/m4/patches/patch-lib_vasnprintf_c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/package/m4/patches/patch-lib_vasnprintf_c b/package/m4/patches/patch-lib_vasnprintf_c new file mode 100644 index 000000000..07b989cc6 --- /dev/null +++ b/package/m4/patches/patch-lib_vasnprintf_c @@ -0,0 +1,28 @@ +--- m4-1.4.18.orig/lib/vasnprintf.c 2016-12-31 14:54:42.000000000 +0100 ++++ m4-1.4.18/lib/vasnprintf.c 2018-02-24 20:59:00.000000000 +0100 +@@ -4858,7 +4858,10 @@ 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 +4875,13 @@ 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. */ ++ /* On Mac OS X 10.3 or newer, we know that snprintf's return ++ value conforms to ISO C 99: the tests gl_SNPRINTF_RETVAL_C99 ++ and gl_SNPRINTF_TRUNCATION_C99 pass. ++ Therefore we can avoid using %n in this situation. ++ On Mac OS X 10.13 or newer, the use of %n in format strings ++ in writable memory by default crashes the program, so we ++ should avoid it in this situation. */ + /* On native Windows systems (such as mingw), we can avoid using + %n because: + - Although the gl_SNPRINTF_TRUNCATION_C99 test fails, |