add a makefile target for examples

2 files changed, 14 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index ec99c92..8c4d341 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,8 @@ OUT      = libvt100.so
 SOUT     = libvt100.a
 BUILD    = build/
 SRC      = src/
+EXDIR    = examples/
+EXAMPLES = $(EXDIR)test1
 OBJ      = $(BUILD)parser.o \
 	   $(BUILD)screen.o \
 	   $(BUILD)unicode-extra.o
@@ -28,6 +30,8 @@ dynamic: $(OUT) ## Build a dynamic library
 
 static: $(SOUT) ## Build a static library
 
+examples: $(EXAMPLES) ## Build the example programs
+
 $(OUT): $(OBJ)
 	$(QUIET_LD)$(CC) -fPIC -shared -o $@ $^ $(ALLLDFLAGS)
 
@@ -38,6 +42,9 @@ $(BUILD)%.o: $(SRC)%.c | $(BUILD)
 	@$(MAKEDEPEND) -o $(<:$(SRC)%.c=$(BUILD).%.d) $<
 	$(QUIET_CC)$(CC) $(ALLCFLAGS) -c -fPIC -o $@ $<
 
+$(EXDIR)%: $(EXDIR)%.c $(SOUT)
+	$(QUIET_CC)$(CC) $(ALLCFLAGS) $(ALLLDFLAGS) -I src -o $@ $^
+
 $(BUILD):
 	@mkdir -p $(BUILD)
 
@@ -50,7 +57,7 @@ $(SRC)%.h: $(SRC)%.l
 	$(QUIET_LEX)$(LEX) --header-file=$(<:.l=.h) -o /dev/null $<
 
 clean: ## Remove build files
-	rm -f $(OUT) $(SOUT) $(OBJ) $(OBJ:$(BUILD)%.o=$(BUILD).%.d)
+	rm -f $(OUT) $(SOUT) $(OBJ) $(OBJ:$(BUILD)%.o=$(BUILD).%.d) $(EXAMPLES)
 	@rmdir -p $(BUILD) > /dev/null 2>&1 || true
 
 help: ## Display this help
diff --git a/examples/test1.c b/examples/test1.c
index 906fe5a..849a41e 100644
--- a/examples/test1.c
+++ b/examples/test1.c
@@ -4,6 +4,8 @@
 
 #include "vt100.h"
 
+#define UNUSED(x) ((void)x)
+
 int main(int argc, char *argv[])
 {
     VT100Screen *vt;
@@ -11,6 +13,9 @@ int main(int argc, char *argv[])
     size_t offset = 0;
     int i, j, skip;
 
+    UNUSED(argc);
+    UNUSED(argv);
+
     vt = vt100_screen_new(24, 80);
     // vt100_screen_set_window_size(vt);
 
@@ -36,7 +41,7 @@ int main(int argc, char *argv[])
                 continue;
             }
             struct vt100_cell *cell = &vt->grid->rows[i].cells[j];
-            printf("%*s", cell->len, cell->contents);
+            printf("%*s", (int)cell->len, cell->contents);
             if (cell->is_wide)
                 skip = 1;
         }