Add example for program exit code.

diff --git a/.gitignore b/.gitignore
index 484367259ced7502e221a770b0e13937ce98ab6b..48ab12eee17f4f8af2c32ce19ae2b1a4c75fb551 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 demo-printing
 demo-input-char
 demo-input-int
+demo-exitcode

diff --git a/Makefile b/Makefile
index 9d326b39f24f569303510730ee3a464d7d265dc1..426e6cb9a545a9c99a6f2d098d076ebffc479a6f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ LDFLAGS=
 SRCDIR=src
 BINDIR=build
 
-all: libmalice.o demo-printing demo-input-char demo-input-int
+all: libmalice.o demo-printing demo-input-char demo-input-int demo-exitcode
 
 libmalice.o: libmalice.asm
        nasm $(NASMFLAGS) -o $@ $<
@@ -24,6 +24,9 @@ demo-input-char: demo-input-char.o libmalice.o
 demo-input-int: demo-input-int.o libmalice.o
        ld $(LDFLAGS) -nostdlib -e _lmStart -o $@ $^
 
+demo-exitcode: demo-exitcode.o libmalice.o
+       ld $(LDFLAGS) -nostdlib -e _lmStart -o $@ $^
+
 
 .PHONY : clean
 clean:
@@ -31,3 +34,4 @@ clean:
        rm -f demo-printing
        rm -f demo-input-char
        rm -f demo-input-int
+       rm -f demo-exitcode

diff --git a/demo-exitcode.c b/demo-exitcode.c
new file mode 100644 (file)
index 0000000..5b6ebb1
--- /dev/null
+++ b/demo-exitcode.c
@@ -0,0 +1,8 @@
+#include "libmalice.h"
+
+int lmMain(void)
+{
+  lmPrintString("This demo exits with code 42.\n");
+
+  return 42;
+}