Add 'corebinutils/sh/' from commit '126b33a9db9b44a56f2c62d18346746ec1330766'

git-subtree-dir: corebinutils/sh
git-subtree-mainline: 96be0a182e0b889a9daf43c04a0b835aa604d280
git-subtree-split: 126b33a9db9b44a56f2c62d18346746ec1330766

1 files changed, 34 insertions, 0 deletions

diff --git a/corebinutils/sh/testcmd.c b/corebinutils/sh/testcmd.c
new file mode 100644
index 0000000000..d82d3c9e45
--- /dev/null
+++ b/corebinutils/sh/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);
+}