From 2c76d05179339ca7100c0e5649dd2e0d50a0cb4c Mon Sep 17 00:00:00 2001 From: "Arnold D. Robbins" Date: Wed, 16 Oct 2013 05:36:38 +0300 Subject: Fix for readline checks on Solaris. --- configure | 3 ++- m4/ChangeLog | 6 ++++++ m4/readline.m4 | 3 ++- 3 files changed, 10 insertions(+), 2 deletions(-) diff --git a/configure b/configure index 03e0838f..ed3aec6b 100755 --- a/configure +++ b/configure @@ -10437,7 +10437,8 @@ int main(int argc, char **argv) dup(fd); line = readline("giveittome> "); - printf("got <%s>\n", line); + /* some printfs don't handle NULL for %s */ + printf("got <%s>\n", line ? line : "(NULL)"); return 0; } _ACEOF diff --git a/m4/ChangeLog b/m4/ChangeLog index 3996eb53..9e2c279b 100644 --- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,3 +1,9 @@ +2013-10-16 Arnold D. Robbins + + * readline.m4: Add check for NULL return from readline() in + call to printf() for results. Thanks to Dagobert Michelsen + for the report. + 2013-08-29 Arnold D. Robbins * readline.m4: Add additional code to check for history_list() diff --git a/m4/readline.m4 b/m4/readline.m4 index f24e95bf..af2745db 100644 --- a/m4/readline.m4 +++ b/m4/readline.m4 @@ -53,7 +53,8 @@ int main(int argc, char **argv) dup(fd); line = readline("giveittome> "); - printf("got <%s>\n", line); + /* some printfs don't handle NULL for %s */ + printf("got <%s>\n", line ? line : "(NULL)"); return 0; }]]), dnl action if true: -- cgit v1.2.3