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authorCorinna Vinschen <corinna@vinschen.de>2003-09-26 08:45:24 +0000
committerCorinna Vinschen <corinna@vinschen.de>2003-09-26 08:45:24 +0000
commit0a0a45e22a1f97ac834f757b09fef4b985cee99d (patch)
treed2d04e59210bb13b3d73991e264fff25c7d42d04 /winsup/cygwin/spawn.cc
parent8ff4b3513dc5d8c4255e2924222a4cbaa21bbeb2 (diff)
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* spawn.cc (spawn_guts): Set errno to E2BIG if command line is
longer than CreateProcess allows (32K).
Diffstat (limited to 'winsup/cygwin/spawn.cc')
-rw-r--r--winsup/cygwin/spawn.cc7
1 files changed, 7 insertions, 0 deletions
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;