commit 51ccd2378bc6cacf8c8cea0c8c8ad13c9c6f0e99
author Ross Lagerwall <ross.lagerwall@citrix.com> Wed Aug 02 09:20:00 2023 +0100
committer Stefan Berger <stefanb@us.ibm.com> Wed Aug 02 10:05:07 2023 -0400
tree 80585bb4a80cfc685bdf2fda74b08e396a597eaa
parent 67152d3e18c4893b036d7deebd32567e2690f552

Make stdout unbuffered in swtpm_{setup,localca}

swtpm_setup and swtpm_localca may be run by a toolstack with log
messages going to a pipe via stdout. Set stdout to be unbuffered to
avoid log messages being lost if the process terminates unexpectedly.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>

src/swtpm_localca/swtpm_localca.c

diff --git a/src/swtpm_localca/swtpm_localca.c b/src/swtpm_localca/swtpm_localca.c
index 6941d45..48777e6 100644
--- a/src/swtpm_localca/swtpm_localca.c
+++ b/src/swtpm_localca/swtpm_localca.c
@@ -611,6 +611,8 @@
     struct stat statbuf;
     int ret = 1;
 
+    setvbuf(stdout, 0, _IONBF, 0);
+
     if (init(&default_options_file, &default_config_file) < 0)
         goto error;
     optsfile = g_strdup(default_options_file);

src/swtpm_setup/swtpm_setup.c

diff --git a/src/swtpm_setup/swtpm_setup.c b/src/swtpm_setup/swtpm_setup.c
index 8153b9d..aafa448 100644
--- a/src/swtpm_setup/swtpm_setup.c
+++ b/src/swtpm_setup/swtpm_setup.c
@@ -1230,6 +1230,8 @@
     int ret = 1;
     g_autoptr(GError) error = NULL;
 
+    setvbuf(stdout, 0, _IONBF, 0);
+
     if (init(&config_file) < 0)
         goto error;