add testcmd.c and add define SH_ERROR_H to error.h

Signed-off-by: Mehmet Samet Duman <yongdohyun@projecttick.org>

2 files changed, 39 insertions, 0 deletions

diff --git a/error.h b/error.h
index 6db0bcde19..088baea429 100644
--- a/error.h
+++ b/error.h
@@ -43,6 +43,9 @@
  * inner scope, and restore handler on exit from the scope.
  */
 
+#ifndef SH_ERROR_H
+#define SH_ERROR_H
+
 #include <setjmp.h>
 #include <signal.h>
 
@@ -92,3 +95,5 @@ void errorwithstatus(int, const char *, ...) __printf0like(2, 3) __dead2;
 
 #define setjmp(jmploc)	_setjmp(jmploc)
 #define longjmp(jmploc, val)	_longjmp(jmploc, val)
+
+#endif /* SH_ERROR_H */
diff --git a/testcmd.c b/testcmd.c
new file mode 100644
index 0000000000..d82d3c9e45
--- /dev/null
+++ b/testcmd.c
@@ -0,0 +1,34 @@
+/*
+ * Reuse the standalone test(1) parser as the shell builtin entry point.
+ * The external source now exports main() and exits on syntax errors, so
+ * provide a wrapper that maps its process-exit path back to a builtin
+ * return value.
+ */
+
+#include <setjmp.h>
+#include <stdio.h>
+
+static jmp_buf testcmd_jmp;
+static int testcmd_status;
+
+static void
+testcmd_exit(int status)
+{
+	testcmd_status = status;
+	fflush(NULL);
+	longjmp(testcmd_jmp, 1);
+}
+
+#define exit testcmd_exit
+#define main testcmd_main
+#include "../../bin/test/test.c"
+#undef main
+#undef exit
+
+int
+testcmd(int argc, char **argv)
+{
+	if (setjmp(testcmd_jmp) != 0)
+		return testcmd_status;
+	return testcmd_main(argc, argv);
+}