1 files changed, 66 insertions, 0 deletions
diff --git a/util/alevt/misc.c b/util/alevt/misc.c
new file mode 100644
index 0000000..32d0595
--- /dev/null
+++ b/util/alevt/misc.c
@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include "misc.h"
+
+char *prgname = 0;
+
+extern char *strrchr(const char *, int);
+NORETURN(exit(int));
+
+
+void setprgname(char *str)
+{
+    char *x = strrchr(str, '/');
+    prgname = x ? x+1 : str;
+}
+
+
+static void print_prgname(void)
+{
+    if (prgname && *prgname)
+	fprintf(stderr, "%s: ", prgname);
+}
+
+
+void error(const char *str, ...)
+{
+    va_list args;
+    va_start(args, str);
+    print_prgname();
+    vfprintf(stderr, str, args);
+    fputc('\n', stderr);
+}
+
+
+void ioerror(const char *str)
+{
+    print_prgname();
+    perror(str);
+}
+
+
+void fatal(const char *str, ...)
+{
+    va_list args;
+    va_start(args, str);
+    print_prgname();
+    vfprintf(stderr, str, args);
+    fputc('\n', stderr);
+    exit(2);
+}
+
+
+void fatal_ioerror(const char *str)
+{
+    print_prgname();
+    perror(str);
+    exit(2);
+}
+
+
+void out_of_mem(int size)
+{
+    if (size > 0)
+	fatal("out of memory allocating %d bytes.", size);
+    fatal("out of memory.");
+}