diff options
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rw-r--r-- | winsup/cygwin/spawn.cc | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 0a2fff398..b0c3d7540 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +2003-09-26 Corinna Vinschen <corinna@vinschen.de> + + * spawn.cc (spawn_guts): Set errno to E2BIG if command line is + longer than CreateProcess allows (32K). + 2003-09-25 Christopher Faylor <cgf@redhat.com> * dtable.cc (build_fh_name): Return pointer to a 'nodevice' rather than diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc index 30d1dd749..ce61c22d5 100644 --- a/winsup/cygwin/spawn.cc +++ b/winsup/cygwin/spawn.cc @@ -587,6 +587,13 @@ spawn_guts (const char * prog_arg, const char *const *argv, else one_line.add ("", 1); MALLOC_CHECK; + + if (one_line.ix > 32767) + { + debug_printf ("Command line too long (>32K), return E2BIG"); + set_errno (E2BIG); + return -1; + } } char *envblock; |