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authorMichal Krol <michal@vmware.com>2009-11-19 12:52:58 +0100
committerMichal Krol <michal@vmware.com>2009-11-23 10:29:05 +0100
commitf61865799defe6636ac893c7ddb510911e5bfa0c (patch)
tree7f353c84de4fad2929eb6d160a459a8a6c8c5554 /src/mesa
parenta12b468d002edb6c8a7c95882edd3e5e7f615a4e (diff)
slang: Be more robust with memory in concat_shaders().
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/shader/slang/slang_link.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c
index 0a2bc497803..ed27821a951 100644
--- a/src/mesa/shader/slang/slang_link.c
+++ b/src/mesa/shader/slang/slang_link.c
@@ -590,11 +590,16 @@ concat_shaders(struct gl_shader_program *shProg, GLenum shaderType)
{
struct gl_shader *newShader;
const struct gl_shader *firstShader = NULL;
- GLuint shaderLengths[100];
+ GLuint *shaderLengths;
GLchar *source;
GLuint totalLen = 0, len = 0;
GLuint i;
+ shaderLengths = (GLuint *)_mesa_malloc(shProg->NumShaders * sizeof(GLuint));
+ if (!shaderLengths) {
+ return NULL;
+ }
+
/* compute total size of new shader source code */
for (i = 0; i < shProg->NumShaders; i++) {
const struct gl_shader *shader = shProg->Shaders[i];
@@ -606,12 +611,16 @@ concat_shaders(struct gl_shader_program *shProg, GLenum shaderType)
}
}
- if (totalLen == 0)
+ if (totalLen == 0) {
+ _mesa_free(shaderLengths);
return NULL;
+ }
source = (GLchar *) _mesa_malloc(totalLen + 1);
- if (!source)
+ if (!source) {
+ _mesa_free(shaderLengths);
return NULL;
+ }
/* concatenate shaders */
for (i = 0; i < shProg->NumShaders; i++) {
@@ -626,9 +635,16 @@ concat_shaders(struct gl_shader_program *shProg, GLenum shaderType)
_mesa_printf("---NEW CONCATENATED SHADER---:\n%s\n------------\n", source);
*/
+ _mesa_free(shaderLengths);
+
remove_extra_version_directives(source);
newShader = CALLOC_STRUCT(gl_shader);
+ if (!newShader) {
+ _mesa_free(source);
+ return NULL;
+ }
+
newShader->Type = shaderType;
newShader->Source = source;
newShader->Pragmas = firstShader->Pragmas;