Introduce set_fail_silent() helpers.

These functions are equivalent to set_fail() - but don't log an error.

3 files changed, 17 insertions, 5 deletions

diff --git a/src/system.c b/src/system.c
index f7ff31ed..26da9413 100644
--- a/src/system.c
+++ b/src/system.c
@@ -221,8 +221,7 @@ handle_1591(struct bregs *regs)
 static void
 handle_154f(struct bregs *regs)
 {
-    // set_fail(regs);  -- don't report this failure.
-    set_cf(regs, 1);
+    set_fail_silent(regs);
 }
 
 static void
diff --git a/src/util.c b/src/util.c
index 52370d03..581c7d8c 100644
--- a/src/util.c
+++ b/src/util.c
@@ -38,12 +38,12 @@ void
 __set_fail(const char *fname, struct bregs *regs)
 {
     __debug_fail(fname, regs);
-    set_cf(regs, 1);
+    set_fail_silent(regs);
 }
 
 void
 __set_code_fail(const char *fname, struct bregs *regs, u8 code)
 {
-    __set_fail(fname, regs);
-    regs->ah = code;
+    __debug_fail(fname, regs);
+    set_code_fail_silent(regs, code);
 }
diff --git a/src/util.h b/src/util.h
index ec6faed3..172308af 100644
--- a/src/util.h
+++ b/src/util.h
@@ -136,6 +136,19 @@ set_code_success(struct bregs *regs)
     set_cf(regs, 0);
 }
 
+static inline void
+set_fail_silent(struct bregs *regs)
+{
+    set_cf(regs, 1);
+}
+
+static inline void
+set_code_fail_silent(struct bregs *regs, u8 code)
+{
+    regs->ah = code;
+    set_cf(regs, 1);
+}
+
 void __set_fail(const char *fname, struct bregs *regs);
 void __set_code_fail(const char *fname, struct bregs *regs, u8 code);