check_everything_connected(): refactor to use an iterator

diff --git a/usage.c b/usage.c
index ec4cf53b6bf16f7f9b3528a430891d6c68ef64cc..b5e67e3d0d4a46a69d72371f4c6a0002e40a0bf1 100644 (file)
--- a/usage.c
+++ b/usage.c
@@ -46,7 +46,7 @@ void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list param
        die_routine = routine;
 }
 
-void usagef(const char *err, ...)
+void NORETURN usagef(const char *err, ...)
 {
        va_list params;
 
@@ -55,12 +55,12 @@ void usagef(const char *err, ...)
        va_end(params);
 }
 
-void usage(const char *err)
+void NORETURN usage(const char *err)
 {
        usagef("%s", err);
 }
 
-void die(const char *err, ...)
+void NORETURN die(const char *err, ...)
 {
        va_list params;
 
@@ -69,7 +69,7 @@ void die(const char *err, ...)
        va_end(params);
 }
 
-void die_errno(const char *fmt, ...)
+void NORETURN die_errno(const char *fmt, ...)
 {
        va_list params;
        char fmt_with_err[1024];