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added more error checking to _glapi_add_entrypoint()

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Brian Paul
2000-02-12 17:31:40 +00:00
parent 3ab6bbe613
commit 85db3d7563
1 changed files with 15 additions and 8 deletions
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19
src/mesa/glapi/glapi.c
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@@ -1,4 +1,4 @@
/* $Id: glapi.c,v 1.33 2000/02/12 16:44:25 brianp Exp $ */ /* $Id: glapi.c,v 1.34 2000/02/12 17:31:40 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -345,8 +345,6 @@ generate_entrypoint(GLuint functionOffset)
GLboolean GLboolean
_glapi_add_entrypoint(const char *funcName, GLuint offset) _glapi_add_entrypoint(const char *funcName, GLuint offset)
{ {
GLint index;
/* Make sure we don't try to add a new entrypoint after someone /* Make sure we don't try to add a new entrypoint after someone
* has already called _glapi_get_dispatch_table_size()! If that's * has already called _glapi_get_dispatch_table_size()! If that's
* happened the caller's information will now be out of date. * happened the caller's information will now be out of date.
@@ -354,12 +352,21 @@ _glapi_add_entrypoint(const char *funcName, GLuint offset)
assert(!GetSizeCalled); assert(!GetSizeCalled);
/* first check if the named function is already statically present */ /* first check if the named function is already statically present */
index = get_static_proc_offset(funcName); {
GLint index = get_static_proc_offset(funcName);
if (index >= 0) { if (index >= 0) {
return (GLboolean) (index == offset); /* bad offset! */ return (GLboolean) (index == offset); /* bad offset! */
} }
else { }
{
/* make sure this offset/name pair is legal */
const char *name = _glapi_get_proc_name(offset);
if (name && strcmp(name, funcName) != 0)
return GL_FALSE; /* bad name! */
}
{
/* be sure index and name match known data */ /* be sure index and name match known data */
GLuint i; GLuint i;
for (i = 0; i < NumExtEntryPoints; i++) { for (i = 0; i < NumExtEntryPoints; i++) {