diff options
| author | Michael Meissner <gnu@the-meissners.org> | 2000-11-22 21:26:10 +0300 |
|---|---|---|
| committer | Michael Meissner <gnu@the-meissners.org> | 2000-11-22 21:26:10 +0300 |
| commit | 73dea7905cb5fea2540256bacdfde33fe0ad1a0b (patch) | |
| tree | 1dd1d4630bf2e207f204657c23319050dbf67c9c /newlib/libc/posix/execl.c | |
| parent | 0217c5bb3b85854cea392d7299706348dc007ae8 (diff) | |
Only reference environ indirectly through a pointer
Diffstat (limited to 'newlib/libc/posix/execl.c')
| -rw-r--r-- | newlib/libc/posix/execl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/newlib/libc/posix/execl.c b/newlib/libc/posix/execl.c index 075df8eba..098005666 100644 --- a/newlib/libc/posix/execl.c +++ b/newlib/libc/posix/execl.c @@ -6,6 +6,11 @@ #include <_ansi.h> #include <unistd.h> +/* Only deal with a pointer to environ, to work around subtle bugs with shared + libraries and/or small data systems where the user declares his own + 'environ'. */ +static char ***p_environ = &environ; + #ifdef _HAVE_STDC #include <stdarg.h> @@ -38,5 +43,5 @@ execl (path, arg0, va_alist) while (argv[i++] != NULL); va_end (args); - return _execve (path, (char * _CONST *) argv, environ); + return _execve (path, (char * _CONST *) argv, *p_environ); } |