* Hook output functions (like printf(3)) with LD_PRELOAD to color stderr (or
* other file descriptors).
*
- * Copyright (C) 2013-2014 Simon Ruderich
+ * Copyright (C) 2013-2018 Simon Ruderich
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/* Same for FreeBSD's libc. However it's more aggressive: The inline writing
* and __swbuf() are also used for normal output (e.g. putc()). Writing to
* stderr is still fine; it always calls __swbuf() as stderr is always
- * unbufferd. */
+ * unbuffered. */
#ifdef HAVE___SWBUF
HOOK_FILE2(int, __swbuf, f, int, c, FILE *, f)
#endif
* isn't allowed to perform any memory-modifications before the exec()
* (except the pid_t result variable of vfork()).
*
- * As some programs don't adhere to the standard (e.g. the "child" closes
- * or dups a descriptor before the exec()) and this breaks our tracking of
- * file descriptors (e.g. it gets closed in the parent as well), we just
- * fork() instead. This is in compliance with the POSIX standard and as
- * most systems use copy-on-write anyway not a performance issue. */
+ * As we have to store changes to the file descriptors in memory (e.g. the
+ * "child" closes or dups a descriptor before the exec()) and this
+ * modifies the parent as well due to the semantics of vfork() - thus
+ * breaking the requirements of vfork(), we just use fork instead(). This
+ * is in compliance with the POSIX standard and as most systems use
+ * copy-on-write anyway not a performance issue. */
return fork();
}
#endif