X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=glxwrap.c;h=84bf48522565e489de274cd87e752d5a470ebd01;hb=d307a28f436ae7f2d80ce40589328fc64f540947;hp=d7670a79a28a1e3bf90bc3b6cc8b53d08bb1f486;hpb=b1570730174c0efe6431e8b032c5d408c7367a21;p=fips diff --git a/glxwrap.c b/glxwrap.c index d7670a7..84bf485 100644 --- a/glxwrap.c +++ b/glxwrap.c @@ -37,29 +37,23 @@ glXSwapBuffers (Display *dpy, GLXDrawable drawable) metrics_end_frame (); } - -typedef __GLXextFuncPtr (* fips_glXGetProcAddressARB_t)(const GLubyte *func); -__GLXextFuncPtr -glXGetProcAddressARB (const GLubyte *func) +/* glXGetProcAddressARB is a function which accepts a string and + * returns a generic function pointer (which nominall accepts void and + * has void return type). Of course, the user is expected to cast the + * returned function pointer to a function pointer of the expected + * type. + */ +void (*glXGetProcAddressARB (const GLubyte *func))(void) { - __GLXextFuncPtr ptr; - static fips_glXGetProcAddressARB_t real_glXGetProcAddressARB = NULL; - char *name = "glXGetProcAddressARB"; - - if (! real_glXGetProcAddressARB) { - real_glXGetProcAddressARB = glwrap_lookup (name); - if (! real_glXGetProcAddressARB) { - fprintf (stderr, "Error: Failed to find function %s.\n", - name); - return NULL; - } - } + void *ret; /* If our library has this symbol, that's what we want to give. */ - ptr = dlwrap_real_dlsym (NULL, (const char *) func); - if (ptr) - return ptr; + ret = dlwrap_real_dlsym (NULL, (const char *) func); + if (ret) + return ret; /* Otherwise, just defer to the real glXGetProcAddressARB. */ - return real_glXGetProcAddressARB (func); + GLWRAP_DEFER_WITH_RETURN (ret, glXGetProcAddressARB, func); + + return ret; }