move source code to src/

1 files changed, 37 insertions, 0 deletions

diff --git a/src/print_status_on_exit.c b/src/print_status_on_exit.c
new file mode 100644
index 0000000..1d72384
--- /dev/null
+++ b/src/print_status_on_exit.c
@@ -0,0 +1,37 @@
+#define _GNU_SOURCE
+#include <dlfcn.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void print_status(void)
+{
+	char buf[4096];
+
+	FILE* status = fopen("/proc/self/status", "r");
+	if (status == NULL)
+	{
+		perror("fopen status");
+		exit(1);
+	}
+
+	FILE* output = fopen("status", "a");
+	if (output == NULL)
+	{
+		perror("fopen output file");
+		exit(1);
+	}
+
+	while (!feof(status))
+	{
+		fgets(&buf, 4096, status);
+		fprintf(output, "%s", buf);
+	}
+	fclose(status);
+}
+
+static void __attribute__((constructor)) init()
+{
+	atexit(print_status);
+}
+