in body-tracking-samples/sample_helper_libs/window_controller_3d/glad/glad.c [213:253]
static int has_ext(const char *ext) {
#ifdef _GLAD_IS_SOME_NEW_VERSION
if(max_loaded_major < 3) {
#endif
const char *extensions;
const char *loc;
const char *terminator;
extensions = exts;
if(extensions == NULL || ext == NULL) {
return 0;
}
while(1) {
loc = strstr(extensions, ext);
if(loc == NULL) {
return 0;
}
terminator = loc + strlen(ext);
if((loc == extensions || *(loc - 1) == ' ') &&
(*terminator == ' ' || *terminator == '\0')) {
return 1;
}
extensions = terminator;
}
#ifdef _GLAD_IS_SOME_NEW_VERSION
} else {
int index;
if(exts_i == NULL) return 0;
for(index = 0; index < num_exts_i; index++) {
const char *e = exts_i[index];
if(exts_i[index] != NULL && strcmp(e, ext) == 0) {
return 1;
}
}
}
#endif
return 0;
}