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authorJakob Kaivo <jkk@ung.org>2020-06-30 12:54:40 -0400
committerJakob Kaivo <jkk@ung.org>2020-06-30 12:54:40 -0400
commit49ad475df150584a9e59649b48dec1f3bed2bffb (patch)
tree8e31c79b00356460335de9bb6652f2918a138b98
parent3462b7ff75ce899b8761cd77b8b049658657593c (diff)
add simple realloc() test
-rw-r--r--.gitignore1
-rw-r--r--Makefile14
-rw-r--r--test/realloc.c18
3 files changed, 28 insertions, 5 deletions
diff --git a/.gitignore b/.gitignore
index d07f0ab..7f24563 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
lib/
obj/
+bin/
diff --git a/Makefile b/Makefile
index e8a413f..accf611 100644
--- a/Makefile
+++ b/Makefile
@@ -9,9 +9,11 @@ TESTDIR=test
CFLAGS=-I$(INCDIR) -Wall -Wextra -Wpedantic -g
OBJECTS=$(OBJDIR)/mapalloc.o
-TESTS=$(BINDIR)/overflow $(BINDIR)/underflow $(BINDIR)/zero
+TESTS=$(BINDIR)/overflow $(BINDIR)/underflow $(BINDIR)/zero $(BINDIR)/realloc
-all: $(LIBDIR)/libmapalloc.a $(LIBDIR)/libmapalloc.so
+all: $(LIBDIR)/libmapalloc.a
+
+#$(LIBDIR)/libmapalloc.so
tests: $(TESTS)
@@ -27,9 +29,11 @@ $(LIBDIR)/libmapalloc.so: $(OBJECTS)
@mkdir -p $(@D)
$(CC) -o $@ -shared $(OBJECTS)
-$(BINDIR)/overflow: $(TESTDIR)/overflow.c $(LIBDIR)/libmapalloc.a
-$(BINDIR)/underflow: $(TESTDIR)/underflow.c $(LIBDIR)/libmapalloc.a
-$(BINDIR)/zero: $(TESTDIR)/zero.c $(LIBDIR)/libmapalloc.a
+$(TESTS): $(LIBDIR)/libmapalloc.a
+$(BINDIR)/overflow: $(TESTDIR)/overflow.c
+$(BINDIR)/underflow: $(TESTDIR)/underflow.c
+$(BINDIR)/zero: $(TESTDIR)/zero.c
+$(BINDIR)/realloc: $(TESTDIR)/realloc.c
$(TESTS):
@mkdir -p $(@D)
diff --git a/test/realloc.c b/test/realloc.c
new file mode 100644
index 0000000..c54f270
--- /dev/null
+++ b/test/realloc.c
@@ -0,0 +1,18 @@
+#define _POSIX_C_SOURCE 200809L
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include "mapalloc.h"
+
+int main(void)
+{
+ const char buf[] = "THIS IS A CONSTANT STRING";
+
+ char *ptr = map_realloc(NULL, sizeof(buf));
+ memcpy(ptr, buf, sizeof(buf));
+ printf("%p: %s\n", ptr, ptr);
+
+ ptr = map_realloc(ptr, sizeof(buf) * 2);
+ memcpy(ptr + sizeof(buf), buf, sizeof(buf));
+ printf("%p: %s\n", ptr, ptr);
+}