ftphelper: add --version argument

1 files changed, 8 insertions, 0 deletions

diff --git a/src/ftphelper.c b/src/ftphelper.c
index fae3771..69527db 100644
--- a/src/ftphelper.c
+++ b/src/ftphelper.c
@@ -19,6 +19,10 @@
 
 // gcc ftphelper.c -o ftphelper `pkg-config --libs --cflags libconfig`
 
+#ifndef VERSION_STRING
+#define VERSION_STRING "[undefined version]"
+#endif
+
 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
@@ -102,4 +106,8 @@ int main(int argc, char *argv[]) {
 		printf("%s", ftp_directory);
 		return 0;
 	}
+	if (strcmp(argv[1], "--version") == 0) {
+		printf("%s", VERSION_STRING);
+		return 0;
+	}
 }