From 6a2db55fc2be1875027a196fdd4ba4daa90a3e7f Mon Sep 17 00:00:00 2001
From: Olaf Barthel <obarthel@gmx.net>
Date: Fri, 10 Sep 2004 07:41:13 +0000
Subject: [PATCH] - Added the test program for the sprintf() buffer flush bug,
 courtesy of   Jens Langner.

git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14725 87f5fb63-7c3d-0410-a384-fd976d0f7a62
---
 test_programs/GNUmakefile.68k | 10 +++++++---
 test_programs/smakefile       | 11 ++++++++---
 test_programs/sprintf_test.c  | 25 +++++++++++++++++++++++++
 3 files changed, 40 insertions(+), 6 deletions(-)
 create mode 100644 test_programs/sprintf_test.c

diff --git a/test_programs/GNUmakefile.68k b/test_programs/GNUmakefile.68k
index 9b09a82..00e9922 100644
--- a/test_programs/GNUmakefile.68k
+++ b/test_programs/GNUmakefile.68k
@@ -1,5 +1,5 @@
 #
-# $Id: GNUmakefile.68k,v 1.1 2004-08-14 15:01:22 obarthel Exp $
+# $Id: GNUmakefile.68k,v 1.2 2004-09-10 07:41:13 obarthel Exp $
 #
 # :ts=8
 #
@@ -46,10 +46,10 @@ LIBS = -lm -lc -lgcc
 
 ##############################################################################
 
-all: test fgets_test iotest sscanf_test printf_test stack_size_test translate_test
+all: test fgets_test iotest sscanf_test printf_test sprintf_test stack_size_test translate_test
 
 clean:
-	$(DELETE) #?.o #?.map test fgets_test iotest sscanf_test printf_test stack_size_test translate_test
+	$(DELETE) #?.o #?.map test fgets_test iotest sscanf_test printf_test sprintf_test stack_size_test translate_test
 
 ##############################################################################
 
@@ -73,6 +73,10 @@ printf_test : printf_test.o
 	@echo "Linking $@"
 	$(CC) $(CFLAGS) -o $@ printf_test.o $(LIBS) -Wl,--cref,-M,-Map=$@.map
 
+sprintf_test : sprintf_test.o
+	@echo "Linking $@"
+	$(CC) $(CFLAGS) -o $@ sprintf_test.o $(LIBS) -Wl,--cref,-M,-Map=$@.map
+
 stack_size_test : stack_size_test.o
 	@echo "Linking $@"
 	$(CC) $(CFLAGS) -o $@ stack_size_test.o $(LIBS) -Wl,--cref,-M,-Map=$@.map
diff --git a/test_programs/smakefile b/test_programs/smakefile
index c458159..c5ea010 100644
--- a/test_programs/smakefile
+++ b/test_programs/smakefile
@@ -1,5 +1,5 @@
 #
-# $Id: smakefile,v 1.1 2004-08-06 11:51:50 obarthel Exp $
+# $Id: smakefile,v 1.2 2004-09-10 07:41:13 obarthel Exp $
 #
 # :ts=8
 #
@@ -63,10 +63,10 @@ AFLAGS = \
 
 ##############################################################################
 
-all: setup test fgets_test iotest sscanf_test printf_test stack_size_test translate_test cleanup
+all: setup test fgets_test iotest sscanf_test printf_test sprintf_test stack_size_test translate_test cleanup
 
 clean:
-	-delete \#?.o \#?.map test fgets_test iotest sscanf_test printf_test stack_size_test translate_test
+	-delete \#?.o \#?.map test fgets_test iotest sscanf_test printf_test sprintf_test stack_size_test translate_test
 
 ##############################################################################
 
@@ -105,6 +105,11 @@ printf_test: printf_test.o
 	@slink $(LIB)startup.o printf_test.o to $@ lib $(LIB)c.lib addsym \
 		map $@.map,fhx fwidth 32 pwidth 32 swidth 32
 
+sprintf_test: sprintf_test.o
+	@echo "Linking $@"
+	@slink $(LIB)startup.o sprintf_test.o to $@ lib $(LIB)c.lib addsym \
+		map $@.map,fhx fwidth 32 pwidth 32 swidth 32
+
 stack_size_test: stack_size_test.o
 	@echo "Linking $@"
 	@slink $(LIB)startup.o stack_size_test.o to $@ lib $(LIB)c.lib addsym \
diff --git a/test_programs/sprintf_test.c b/test_programs/sprintf_test.c
new file mode 100644
index 0000000..40e92a1
--- /dev/null
+++ b/test_programs/sprintf_test.c
@@ -0,0 +1,25 @@
+#include <string.h>
+#include <stdio.h>
+
+static char buf[256];
+
+void addsomething(void)
+{
+  char *p = &buf[strlen(buf)];
+  sprintf(p, "yeah");
+}
+
+int main(void)
+{
+  buf[0] = '\0';
+
+  addsomething();
+  printf("1: [%s]\n", buf);
+
+  sprintf(buf, "");
+
+  addsomething();
+  printf("2: [%s]\n", buf);
+
+  return (0);
+}