Ensure error messages are printed with sync'd output.

Enhance the child_error() function so that it will write error output to the
child's sync output buffer, if it exists.  If it doesn't the output goes to
stdout/stderr.

1 files changed, 4 insertions, 0 deletions

diff --git a/makeint.h b/makeint.h
index 3b0336e..812ead1 100644
--- a/makeint.h
+++ b/makeint.h
@@ -383,6 +383,10 @@ extern struct rlimit stack_limit;
 
 
 const char *concat (unsigned int, ...);
+const char *message_s (unsigned int length, int prefix, const char *fmt, ...)
+              __attribute__ ((__format__ (__printf__, 3, 4)));
+const char *error_s (unsigned int length, const gmk_floc *flocp, const char *fmt, ...)
+              __attribute__ ((__format__ (__printf__, 3, 4)));
 void message (int prefix, const char *fmt, ...)
               __attribute__ ((__format__ (__printf__, 2, 3)));
 void error (const gmk_floc *flocp, const char *fmt, ...)