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GCC with `-Wformat-security -Werror=format-security` hardening options enabled
by default rejects some codes in libcpp. This patch fixes them.
--- gcc-8.3.0/libcpp/expr.c.bak 2020-09-11 15:44:45.770000000 +0900
+++ gcc-8.3.0/libcpp/expr.c 2020-09-11 15:46:22.370000000 +0900
@@ -794,10 +794,10 @@
if (CPP_OPTION (pfile, c99))
cpp_warning_with_line (pfile, CPP_W_LONG_LONG, virtual_location,
- 0, message);
+ 0, "%s", message);
else
cpp_pedwarning_with_line (pfile, CPP_W_LONG_LONG,
- virtual_location, 0, message);
+ virtual_location, 0, "%s", message);
}
result |= CPP_N_INTEGER;
--- gcc-8.3.0/libcpp/macro.c.bak 2020-09-11 16:01:42.550000000 +0900
+++ gcc-8.3.0/libcpp/macro.c 2020-09-11 16:03:47.850000000 +0900
@@ -160,7 +160,7 @@
if (m_state == 2 && token->type == CPP_PASTE)
{
cpp_error_at (m_pfile, CPP_DL_ERROR, token->src_loc,
- vaopt_paste_error);
+ "%s", vaopt_paste_error);
return ERROR;
}
/* Advance states before further considering this token, in
@@ -189,7 +189,7 @@
if (was_paste)
{
cpp_error_at (m_pfile, CPP_DL_ERROR, token->src_loc,
- vaopt_paste_error);
+ "%s", vaopt_paste_error);
return ERROR;
}
@@ -3361,7 +3361,7 @@
function-like macros, but not at the end. */
if (following_paste_op)
{
- cpp_error (pfile, CPP_DL_ERROR, paste_op_error_msg);
+ cpp_error (pfile, CPP_DL_ERROR, "%s", paste_op_error_msg);
goto out;
}
if (!vaopt_tracker.completed ())
@@ -3374,7 +3374,7 @@
function-like macros, but not at the beginning. */
if (macro->count == 1)
{
- cpp_error (pfile, CPP_DL_ERROR, paste_op_error_msg);
+ cpp_error (pfile, CPP_DL_ERROR, "%s", paste_op_error_msg);
goto out;
}
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