Store return value of getc() in an int to correctly test it against EOF

diff --git a/src/libstrongswan/utils/backtrace.c b/src/libstrongswan/utils/backtrace.c
index 99c93d59bfe51463b456324fa5b6cb6b1ec290cc..5bba8ec2142166623be7eb6188731a877d3dd7f6 100644 (file)
--- a/src/libstrongswan/utils/backtrace.c
+++ b/src/libstrongswan/utils/backtrace.c
@@ -71,7 +71,7 @@ static void log_(private_backtrace_t *this, FILE *file)
                {
                        char cmd[1024];
                        FILE *output;
-                       char c;
+                       int c;
                        void *ptr = this->frames[i];
 
                        if (strstr(info.dli_fname, ".so"))