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commit 292da6f6867b75a5af7ddbb639a1feae022f438f
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Author: Paul Smith <psmith@gnu.org>
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Date: Mon Oct 20 01:54:56 2014 -0400
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* main.c (main): [SV 43434] Handle NULL returns from ttyname().
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diff --git a/main.c b/main.c
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index b2d169c..0cdb8a8 100644
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--- a/main.c
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+++ b/main.c
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@@ -1429,13 +1429,18 @@ main (int argc, char **argv, char **envp)
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#ifdef HAVE_ISATTY
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if (isatty (fileno (stdout)))
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if (! lookup_variable (STRING_SIZE_TUPLE ("MAKE_TERMOUT")))
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- define_variable_cname ("MAKE_TERMOUT", TTYNAME (fileno (stdout)),
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- o_default, 0)->export = v_export;
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-
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+ {
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+ const char *tty = TTYNAME (fileno (stdout));
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+ define_variable_cname ("MAKE_TERMOUT", tty ? tty : DEFAULT_TTYNAME,
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+ o_default, 0)->export = v_export;
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+ }
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if (isatty (fileno (stderr)))
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if (! lookup_variable (STRING_SIZE_TUPLE ("MAKE_TERMERR")))
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- define_variable_cname ("MAKE_TERMERR", TTYNAME (fileno (stderr)),
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- o_default, 0)->export = v_export;
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+ {
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+ const char *tty = TTYNAME (fileno (stderr));
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+ define_variable_cname ("MAKE_TERMERR", tty ? tty : DEFAULT_TTYNAME,
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+ o_default, 0)->export = v_export;
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+ }
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#endif
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/* Reset in case the switches changed our minds. */
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diff --git a/makeint.h b/makeint.h
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index 6223936..2009f41 100644
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--- a/makeint.h
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+++ b/makeint.h
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@@ -436,10 +436,11 @@ extern struct rlimit stack_limit;
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/* The number of bytes needed to represent the largest integer as a string. */
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#define INTSTR_LENGTH CSTRLEN ("18446744073709551616")
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+#define DEFAULT_TTYNAME "true"
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#ifdef HAVE_TTYNAME
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# define TTYNAME(_f) ttyname (_f)
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#else
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-# define TTYNAME(_f) "true"
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+# define TTYNAME(_f) DEFAULT_TTYNAME
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#endif
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