diff options
Diffstat (limited to 'lib/w32spawn.h')
| -rw-r--r-- | lib/w32spawn.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/lib/w32spawn.h b/lib/w32spawn.h index 58b0392..3b5c08a 100644 --- a/lib/w32spawn.h +++ b/lib/w32spawn.h @@ -1,5 +1,5 @@ -/* Auxiliary functions for the creation of subprocesses. Native Woe32 API. - Copyright (C) 2001, 2003-2011 Free Software Foundation, Inc. +/* Auxiliary functions for the creation of subprocesses. Native Windows API. + Copyright (C) 2001, 2003-2013 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2003. This program is free software: you can redistribute it and/or modify @@ -15,11 +15,11 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ -/* Get declarations of the Win32 API functions. */ +/* Get declarations of the native Windows API functions. */ #define WIN32_LEAN_AND_MEAN #include <windows.h> -/* Get _get_osfhandle() and _open_osfhandle(). */ +/* Get _open_osfhandle(). */ #include <io.h> #include <stdbool.h> @@ -27,6 +27,9 @@ #include <unistd.h> #include <errno.h> +/* Get _get_osfhandle(). */ +#include "msvc-nothrow.h" + #include "cloexec.h" #include "xalloc.h" @@ -98,7 +101,7 @@ undup_safer_noinherit (int tempfd, int origfd) v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls - CreateProcess(). We must quote the arguments since Win32 CreateProcess() + CreateProcess(). We must quote the arguments since Windows CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as @@ -112,8 +115,15 @@ undup_safer_noinherit (int tempfd, int origfd) \" -> " \\\" -> \" \\\\\" -> \\" + - '*', '?' characters may get expanded through wildcard expansion in the + callee: By default, in the callee, the initialization code before main() + takes the result of GetCommandLine(), wildcard-expands it, and passes it + to main(). The exceptions to this rule are: + - programs that inspect GetCommandLine() and ignore argv, + - mingw programs that have a global variable 'int _CRT_glob = 0;', + - Cygwin programs, when invoked from a Cygwin program. */ -#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037*?" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" static char ** prepare_spawn (char **argv) @@ -133,7 +143,7 @@ prepare_spawn (char **argv) script, not a program. On Unix, this would be "/bin/sh". On native Windows, "sh" is actually "sh.exe". We have to omit the directory part and rely on the search in - PATH, because the mingw "mount points" are not visible inside Win32 + PATH, because the mingw "mount points" are not visible inside Windows CreateProcess(). */ *new_argv++ = "sh.exe"; |