diff options
| -rw-r--r-- | progs/xdemos/glxheads.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/progs/xdemos/glxheads.c b/progs/xdemos/glxheads.c index b1a63d3d50..be77ad6342 100644 --- a/progs/xdemos/glxheads.c +++ b/progs/xdemos/glxheads.c @@ -145,14 +145,40 @@ AddHead(const char *displayName) /* save the info for this head */ { struct head *h = &Heads[NumHeads]; + const char * tmp; + + if (strlen(displayName) + 1 > sizeof(h->DisplayName)) { + Error(displayName, "displayName string length overflow"); + return NULL; + } strcpy(h->DisplayName, displayName); + h->Dpy = dpy; h->Win = win; h->Context = ctx; h->Angle = 0.0; - strcpy(h->Version, (char *) glGetString(GL_VERSION)); + + tmp = (char *) glGetString(GL_VERSION); + if (strlen(tmp) + 1 > sizeof(h->Version)) { + Error(displayName, "GL_VERSION string length overflow"); + return NULL; + } + strcpy(h->Version, tmp); + + tmp = (char *) glGetString(GL_VENDOR); + if (strlen(tmp) + 1 > sizeof(h->Vendor)) { + Error(displayName, "GL_VENDOR string length overflow"); + return NULL; + } strcpy(h->Vendor, (char *) glGetString(GL_VENDOR)); + + tmp = (char *) glGetString(GL_RENDERER); + if (strlen(tmp) + 1 > sizeof(h->Renderer)) { + Error(displayName, "GL_RENDERER string length overflow"); + return NULL; + } strcpy(h->Renderer, (char *) glGetString(GL_RENDERER)); + NumHeads++; return &Heads[NumHeads-1]; } |