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fix segfault when pipe #1

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fix segfault when pipe #1

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4 changes: 2 additions & 2 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -3076,7 +3076,7 @@ if ${ac_cv_prog_cc_g+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
ac_c_werror_flag=no
ac_cv_prog_cc_g=no
CFLAGS="-g"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
Expand Down Expand Up @@ -4196,7 +4196,7 @@ if ac_fn_c_try_compile "$LINENO"; then :

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: *** CFLAGS supported: -Werror=format-security" >&5
$as_echo "*** CFLAGS supported: -Werror=format-security" >&6; }
CFLAGS_EXTRA="-Wformat -Werror -Werror=format-security"
CFLAGS_EXTRA="-Wformat -Werror=format-security"

else

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4 changes: 2 additions & 2 deletions configure.in
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Expand Up @@ -77,13 +77,13 @@ AC_ARG_ENABLE([compiler-warning-to-error],
],[
AC_MSG_RESULT([*** check for CFLAGS: -Werror=format-security])
CFLAGS_SAVE="$CFLAGS"
CFLAGS="$CFLAGS -Wformat -Werror -Werror=format-security"
CFLAGS="$CFLAGS -Wformat -Werror=format-security"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[int a=1;]])
],
[
AC_MSG_RESULT([*** CFLAGS supported: -Werror=format-security])
CFLAGS_EXTRA="-Wformat -Werror -Werror=format-security"
CFLAGS_EXTRA="-Wformat -Werror=format-security"
],
[
AC_MSG_WARN([*** missing CFLAGS support: -Werror=format-security])
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2 changes: 1 addition & 1 deletion contrib/ipv6calc.spec
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
# Project : ipv6calc
# File : contrib/ipv6calc.spec
# Copyright : 2001-2018 by Peter Bieringer <pb@bieringer.de>
# $Id: 0df17afba6c435c28b3c3d0323e0739d2f88678e $
# $Id: 14c55e02c404183d20337376ae3a55f42ffaab0e $

# enable the following for intermediate builds
#%#define gitcommit d3a4108cb7aeb6f731bb07989f91d8a7f449f0f0
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2 changes: 1 addition & 1 deletion ipv6calc/ipv6calc.c
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Expand Up @@ -884,7 +884,7 @@ int main(int argc, char *argv[]) {
DEBUGPRINT_WA(DEBUG_ipv6calc_general, "Token 1: '%s'", input1);

/* check for second token */
if (*ptrptr[0] != '\0') {
if (ptrptr && ptrptr[0] && *ptrptr[0] != '\0') {
input2 = *ptrptr;
inputc = 2;

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