1 files changed, 79 insertions, 0 deletions
diff --git a/fitz/base_memory.c b/fitz/base_memory.c
new file mode 100644
index 00000000..8c2c0249
--- /dev/null
+++ b/fitz/base_memory.c
@@ -0,0 +1,79 @@
+#include "fitz-base.h"
+
+/* Make this thread local storage if you wish.  */
+
+static void *stdmalloc(fz_memorycontext *mem, int n)
+{
+	return malloc(n);
+}
+
+static void *stdrealloc(fz_memorycontext *mem, void *p, int n)
+{
+	return realloc(p, n);
+}
+
+static void stdfree(fz_memorycontext *mem, void *p)
+{
+	free(p);
+}
+
+static fz_memorycontext defmem = { stdmalloc, stdrealloc, stdfree };
+static fz_memorycontext *curmem = &defmem;
+
+fz_error fz_koutofmem = {
+	{"out of memory"},
+	{"<internal>"},
+	{"<internal>"},
+	0,
+	nil
+};
+
+fz_memorycontext *
+fz_currentmemorycontext()
+{
+	return curmem;
+}
+
+void
+fz_setmemorycontext(fz_memorycontext *mem)
+{
+	curmem = mem;
+}
+
+void *
+fz_malloc(int n)
+{
+    fz_memorycontext *mem = fz_currentmemorycontext();
+    void *p = mem->malloc(mem, n);
+    if (!p)
+	fz_warn("cannot malloc %d bytes", n);
+    return p;
+}
+
+void *
+fz_realloc(void *p, int n)
+{
+    fz_memorycontext *mem = fz_currentmemorycontext();
+    void *np = mem->realloc(mem, p, n);
+    if (np == nil)
+	fz_warn("cannot realloc %d bytes", n);
+    return np;
+}
+
+void
+fz_free(void *p)
+{
+	fz_memorycontext *mem = fz_currentmemorycontext();
+	mem->free(mem, p);
+}
+
+char *
+fz_strdup(char *s)
+{
+	int len = strlen(s);
+	char *ns = fz_malloc(len + 1);
+	if (ns)
+		strcpy(ns, s);
+	return ns;
+}
+