ralloc: Add a fake implementation of ralloc based on talloc.

1 files changed, 202 insertions, 0 deletions

diff --git a/src/glsl/ralloc.c b/src/glsl/ralloc.c
new file mode 100644
index 0000000000..5f030acf84
--- /dev/null
+++ b/src/glsl/ralloc.c
@@ -0,0 +1,202 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <talloc.h>
+
+#include "ralloc.h"
+
+#ifdef __GNUC__
+#define likely(x)       __builtin_expect(!!(x),1)
+#define unlikely(x)     __builtin_expect(!!(x),0)
+#else
+#define likely(x)       !!(x)
+#define unlikely(x)     !!(x)
+#endif
+
+void *
+ralloc_context(const void *ctx)
+{
+   return talloc_new(ctx);
+}
+
+void *
+ralloc_size(const void *ctx, size_t size)
+{
+   return talloc_size(ctx, size);
+}
+
+void *
+rzalloc_size(const void *ctx, size_t size)
+{
+   return talloc_zero_size(ctx, size);
+}
+
+void *
+reralloc_size(const void *ctx, void *ptr, size_t size)
+{
+   return talloc_realloc_size(ctx, ptr, size);
+}
+
+void *
+ralloc_array_size(const void *ctx, size_t size, unsigned count)
+{
+   if (count > SIZE_MAX/size)
+      return NULL;
+
+   return talloc_array_size(ctx, size, count);
+}
+
+void *
+rzalloc_array_size(const void *ctx, size_t size, unsigned count)
+{
+   if (count > SIZE_MAX/size)
+      return NULL;
+
+   return rzalloc_size(ctx, size * count);
+}
+
+void *
+reralloc_array_size(const void *ctx, void *ptr, size_t size, unsigned count)
+{
+   if (count > SIZE_MAX/size)
+      return false;
+
+   return reralloc_size(ctx, ptr, size * count);
+}
+
+void
+ralloc_free(void *ptr)
+{
+   talloc_free(ptr);
+}
+
+void
+ralloc_steal(const void *new_ctx, void *ptr)
+{
+   talloc_steal(new_ctx, ptr);
+}
+
+void *
+ralloc_parent(const void *ptr)
+{
+   return talloc_parent(ptr);
+}
+
+void *
+ralloc_autofree_context(void)
+{
+   return talloc_autofree_context();
+}
+
+void
+ralloc_set_destructor(const void *ptr, void(*destructor)(void *))
+{
+   talloc_set_destructor(ptr, (int(*)(void *)) destructor);
+}
+
+char *
+ralloc_strdup(const void *ctx, const char *str)
+{
+   return talloc_strdup(ctx, str);
+}
+
+char *
+ralloc_strndup(const void *ctx, const char *str, size_t max)
+{
+   return talloc_strndup(ctx, str, max);
+}
+
+bool
+ralloc_strcat(char **dest, const char *str)
+{
+   void *ptr;
+   assert(dest != NULL);
+   ptr = talloc_strdup_append(*dest, str);
+
+   if (unlikely(ptr == NULL))
+      return false;
+
+   *dest = ptr;
+   return true;
+}
+
+bool
+ralloc_strncat(char **dest, const char *str, size_t n)
+{
+   void *ptr;
+   assert(dest != NULL);
+   ptr = talloc_strndup_append(*dest, str, n);
+
+   if (unlikely(ptr == NULL))
+      return false;
+
+   *dest = ptr;
+   return true;
+}
+
+char *
+ralloc_asprintf(const void *ctx, const char *fmt, ...)
+{
+   char *ptr;
+   va_list args;
+   va_start(args, fmt);
+   ptr = ralloc_vasprintf(ctx, fmt, args);
+   va_end(args);
+   return ptr;
+}
+
+char *
+ralloc_vasprintf(const void *ctx, const char *fmt, va_list args)
+{
+   return talloc_vasprintf(ctx, fmt, args);
+}
+
+bool
+ralloc_asprintf_append(char **str, const char *fmt, ...)
+{
+   va_list args;
+
+   va_start(args, fmt);
+   return ralloc_vasprintf_append(str, fmt, args);
+   va_end(args);
+}
+
+bool
+ralloc_vasprintf_append(char **str, const char *fmt, va_list args)
+{
+   void *ptr;
+   assert(str != NULL);
+   ptr = talloc_vasprintf_append(*str, fmt, args);
+
+   if (unlikely(ptr == NULL))
+      return false;
+
+   *str = ptr;
+   return true;
+}