diff options
Diffstat (limited to 'progs/xdemos/manywin.c')
| -rw-r--r-- | progs/xdemos/manywin.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/progs/xdemos/manywin.c b/progs/xdemos/manywin.c index ee357f32a40..8ad5c4fe49f 100644 --- a/progs/xdemos/manywin.c +++ b/progs/xdemos/manywin.c @@ -177,14 +177,40 @@ AddHead(const char *displayName, const char *name) /* save the info for this head */ { struct head *h = &Heads[NumHeads]; + const char * tmp; + + if (strlen(name) + 1 > sizeof(h->DisplayName)) { + Error(displayName, "name string overflow"); + return NULL; + } strcpy(h->DisplayName, name); + h->Dpy = dpy; h->Win = win; h->Context = ctx; h->Angle = 0.0; - strcpy(h->Version, (char *) glGetString(GL_VERSION)); - strcpy(h->Vendor, (char *) glGetString(GL_VENDOR)); - strcpy(h->Renderer, (char *) glGetString(GL_RENDERER)); + + tmp = (char *) glGetString(GL_VERSION); + if (strlen(tmp) + 1 > sizeof(h->Version)) { + Error(displayName, "GL_VERSION string overflow"); + return NULL; + } + strcpy(h->Version, tmp); + + tmp = (char *) glGetString(GL_VENDOR); + if (strlen(tmp) + 1 > sizeof(h->Vendor)) { + Error(displayName, "GL_VENDOR string overflow"); + return NULL; + } + strcpy(h->Vendor, tmp); + + tmp = (char *) glGetString(GL_RENDERER); + if (strlen(tmp) + 1 > sizeof(h->Renderer)) { + Error(displayName, "GL_RENDERER string overflow"); + return NULL; + } + strcpy(h->Renderer, tmp); + NumHeads++; return &Heads[NumHeads-1]; } @@ -374,6 +400,8 @@ main(int argc, char *argv[]) } if (n < 1) n = 1; + if (n > MAX_HEADS) + n = MAX_HEADS; printf("%d windows\n", n); for (i = 0; i < n; i++) { |