# translib

# transparent LD_PRELOAD wrapper for open functions
# this was cow mark 1!

# TODO make it a wrapper for ALL functions!!!!!!!!!!

use sys/types.h
use sys/stat.h
use fcntl.h
use stdarg.h
use unistd.h
use string.h
use stdio.h

wrap int open(const char *path, int flags, ...)
	fprintf(stderr, "cow: open %s\n", path)
	if (flags & O_CREAT)
		va_list arg_list
		mode_t mode
		va_start(arg_list, flags)
		mode = va_arg(arg_list, mode_t)
		va_end(arg_list);
		return unwrapped(path, flags, mode)
	else
		return unwrapped(path, flags)

wrap int creat(const char *path, mode_t mode)
	fprintf(stderr, "cow: creat %s\n", path)
	return unwrapped(path, mode)

wrap FILE* fopen(const char *path, const char *mode)
	fprintf(stderr, "cow: fopen %s\n", path)
	return unwrapped(path, mode)

wrap FILE* freopen(const char *path, const char *mode, FILE *stream)
	fprintf(stderr, "cow: freopen %s\n", path)
	return unwrapped(path, mode, stream)

wrap int open64(const char *path, int flags, ...)
	fprintf(stderr, "cow: open64 %s\n", path)
	if (flags & O_CREAT)
		va_list arg_list
		mode_t mode
		va_start(arg_list, flags)
		mode = va_arg(arg_list, mode_t)
		va_end(arg_list);
		return unwrapped(path, flags, mode)
	else
		return unwrapped(path, flags)

wrap int creat64(const char *path, mode_t mode)
	fprintf(stderr, "cow: creat64 %s\n", path)
	return unwrapped(path, mode)

wrap FILE* fopen64(const char *path, const char *mode)
	fprintf(stderr, "cow: fopen64 %s\n", path)
	return unwrapped(path, mode)

wrap FILE* freopen64(const char *path, const char *mode, FILE *stream)
	fprintf(stderr, "cow: freopen64 %s\n", path)
	return unwrapped(path, mode, stream)