patches/gcc/0006-Enable-Wformat-and-Wformat-security-by-default.patch

   1 From 85e12e3d32a44c3fd10b5327edd542972a179eec Mon Sep 17 00:00:00 2001
   2 From: Ariadne Conill <ariadne@dereferenced.org>
   3 Date: Fri, 21 Aug 2020 06:47:43 +0000
   4 Subject: [PATCH] Enable -Wformat and -Wformat-security by default.
   5
   6 ---
   7  gcc/c-family/c.opt | 4 ++--
   8  1 file changed, 2 insertions(+), 2 deletions(-)
   9
  10 diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt
  11 index 2005b783c68..c5c6af427cc 100644
  12 --- a/gcc/c-family/c.opt
  13 +++ b/gcc/c-family/c.opt
  14 @@ -637,7 +637,7 @@ Warn about function calls with format strings that write past the end
  15  of the destination region.  Same as -Wformat-overflow=1.
  16
  17  Wformat-security
  18 -C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0)
  19 +C ObjC C++ ObjC++ Var(warn_format_security) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0)
  20  Warn about possible security problems with format functions.
  21
  22  Wformat-signedness
  23 @@ -658,7 +658,7 @@ C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning LangEnabledBy(C ObjC C++
  24  Warn about zero-length formats.
  25
  26  Wformat=
  27 -C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) IntegerRange(0, 2)
  28 +C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) IntegerRange(0, 2)
  29  Warn about printf/scanf/strftime/strfmon format string anomalies.
  30
  31  Wformat-overflow=
  32 --
  33 2.35.1
  34