https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=7afc1124b6530adc07b63ba691725311fada4012
commit 7afc1124b6530adc07b63ba691725311fada4012 Author: Corinna Vinschen <cori...@vinschen.de> Date: Tue Jun 6 21:10:23 2017 +0200 cygwin: Fix crash if env var name starts with non-ASCII char Signed-off-by: Corinna Vinschen <cori...@vinschen.de> Diff: --- winsup/cygwin/environ.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/winsup/cygwin/environ.cc b/winsup/cygwin/environ.cc index 7d90e4f..10ffd68 100644 --- a/winsup/cygwin/environ.cc +++ b/winsup/cygwin/environ.cc @@ -351,7 +351,7 @@ static const unsigned char conv_start_chars[256] = static inline char match_first_char (const char *s, unsigned char m) { - return conv_start_chars[(unsigned) *s] & m; + return conv_start_chars[*(unsigned char *)s] & m; } struct win_env& @@ -795,7 +795,7 @@ environ_init (char **envp, int envc) } debug_printf ("GetEnvironmentStrings returned %p", rawenv); - lastenviron = envp = win32env_to_cygenv (rawenv, true); + lastenviron = envp = win32env_to_cygenv (rawenv, true); FreeEnvironmentStringsW (rawenv);