client: Start working on a simple client

1 files changed, 33 insertions, 0 deletions

diff --git a/client/global.c b/client/global.c
new file mode 100644
index 0000000..bf5bf2e
--- /dev/null
+++ b/client/global.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include "global.h"
+
+__attribute__((noreturn, format(printf, 1, 2)))
+void die(const char *format,...){
+	fprintf(stderr,"DIE: ");
+	va_list ap;
+	va_start(ap,format);
+	vfprintf(stderr,format,ap);
+	va_end(ap);
+	fputc('\n',stderr);
+	exit(1);
+}
+
+__attribute__((noreturn))
+void die_perror(const char *func){
+	fprintf(stderr,"DIE: %s: %s\n",func,strerror(errno));
+	exit(1);
+}
+
+__attribute__((format (printf, 1, 2)))
+void debug(const char *format,...){
+	fprintf(stderr,"DEBUG: ");
+	va_list ap;
+	va_start(ap,format);
+	vfprintf(stderr,format,ap);
+	va_end(ap);
+	fputc('\n',stderr);
+}