mirror of
https://github.com/sheumann/hush.git
synced 2024-05-28 06:41:31 +00:00
0ef64bdb40
This change retains "or later" state! No licensing _changes_ here, only form is adjusted (article, space between "GPL" and "v2" and so on). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Utility routines.
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
FILE* FAST_FUNC fopen_or_warn(const char *path, const char *mode)
|
|
{
|
|
FILE *fp = fopen(path, mode);
|
|
if (!fp) {
|
|
bb_simple_perror_msg(path);
|
|
//errno = 0; /* why? */
|
|
}
|
|
return fp;
|
|
}
|
|
|
|
FILE* FAST_FUNC fopen_for_read(const char *path)
|
|
{
|
|
return fopen(path, "r");
|
|
}
|
|
|
|
FILE* FAST_FUNC xfopen_for_read(const char *path)
|
|
{
|
|
return xfopen(path, "r");
|
|
}
|
|
|
|
FILE* FAST_FUNC fopen_for_write(const char *path)
|
|
{
|
|
return fopen(path, "w");
|
|
}
|
|
|
|
FILE* FAST_FUNC xfopen_for_write(const char *path)
|
|
{
|
|
return xfopen(path, "w");
|
|
}
|
|
|
|
static FILE* xfdopen_helper(unsigned fd_and_rw_bit)
|
|
{
|
|
FILE* fp = fdopen(fd_and_rw_bit >> 1, fd_and_rw_bit & 1 ? "w" : "r");
|
|
if (!fp)
|
|
bb_error_msg_and_die(bb_msg_memory_exhausted);
|
|
return fp;
|
|
}
|
|
FILE* FAST_FUNC xfdopen_for_read(int fd)
|
|
{
|
|
return xfdopen_helper(fd << 1);
|
|
}
|
|
FILE* FAST_FUNC xfdopen_for_write(int fd)
|
|
{
|
|
return xfdopen_helper((fd << 1) + 1);
|
|
}
|