void cJSON_Minify(char *json)
{
	char *into=json;
	while (*json)
	{
		if (*json==' ') json++;
		else if (*json=='\t') json++;	/* Whitespace characters. */
		else if (*json=='\r') json++;
		else if (*json=='\n') json++;
		else if (*json=='/' && json[1]=='/')  while (*json && *json!='\n') json++;	/* double-slash comments, to end of line. */
		else if (*json=='/' && json[1]=='*') {while (*json && !(*json=='*' && json[1]=='/')) json++;json+=2;}	/* multiline comments. */
		else if (*json=='\"'){*into++=*json++;while (*json && *json!='\"'){if (*json=='\\') *into++=*json++;*into++=*json++;}*into++=*json++;} /* string literals, which are \" sensitive. */
		else *into++=*json++;			/* All other characters. */
	}
	*into=0;	/* and null-terminate. */
}
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.