loader: #define PATH_MAX when undefined (eg. Hurd)

[mesa.git] / src / mesa / program / prog_cache.c

diff --git a/src/mesa/program/prog_cache.c b/src/mesa/program/prog_cache.c
index 2ccedb5d7d0d80547a9f0344f13bb5302a2c40e1..ed93af7f13ad10d202947709718e14400e23e633 100644 (file)
--- a/src/mesa/program/prog_cache.c
+++ b/src/mesa/program/prog_cache.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
@@ -37,6 +37,7 @@
 struct cache_item
 {
    GLuint hash;
+   unsigned keysize;
    void *key;
    struct gl_program *program;
    struct cache_item *next;
@@ -76,7 +77,7 @@ hash_key(const void *key, GLuint key_size)
 
 
 /**
- * Rebuild/expand the hash table to accomodate more entries
+ * Rebuild/expand the hash table to accommodate more entries
  */
 static void
 rehash(struct gl_program_cache *cache)
@@ -88,7 +89,7 @@ rehash(struct gl_program_cache *cache)
    cache->last = NULL;
 
    size = cache->size * 3;
-   items = (struct cache_item**) malloc(size * sizeof(*items));
+   items = malloc(size * sizeof(*items));
    memset(items, 0, size * sizeof(*items));
 
    for (i = 0; i < cache->size; i++)
@@ -141,8 +142,8 @@ _mesa_new_program_cache(void)
    struct gl_program_cache *cache = CALLOC_STRUCT(gl_program_cache);
    if (cache) {
       cache->size = 17;
-      cache->items = (struct cache_item **)
-         calloc(1, cache->size * sizeof(struct cache_item));
+      cache->items =
+         calloc(cache->size, sizeof(struct cache_item *));
       if (!cache->items) {
          free(cache);
          return NULL;
@@ -174,7 +175,8 @@ struct gl_program *
 _mesa_search_program_cache(struct gl_program_cache *cache,
                            const void *key, GLuint keysize)
 {
-   if (cache->last && 
+   if (cache->last &&
+       cache->last->keysize == keysize &&
        memcmp(cache->last->key, key, keysize) == 0) {
       return cache->last->program;
    }
@@ -183,7 +185,10 @@ _mesa_search_program_cache(struct gl_program_cache *cache,
       struct cache_item *c;
 
       for (c = cache->items[hash % cache->size]; c; c = c->next) {
-         if (c->hash == hash && memcmp(c->key, key, keysize) == 0) {
+         if (c->hash == hash &&
+             c->keysize == keysize &&
+             memcmp(c->key, key, keysize) == 0) {
+
             cache->last = c;
             return c->program;
          }
@@ -207,6 +212,7 @@ _mesa_program_cache_insert(struct gl_context *ctx,
 
    c->key = malloc(keysize);
    memcpy(c->key, key, keysize);
+   c->keysize = keysize;
 
    c->program = program;  /* no refcount change */
 
@@ -235,6 +241,7 @@ _mesa_shader_cache_insert(struct gl_context *ctx,
 
    c->key = malloc(keysize);
    memcpy(c->key, key, keysize);
+   c->keysize = keysize;
 
    c->program = (struct gl_program *)program;  /* no refcount change */