Extended libbsd.so a bit more. All sources (if not written by me) were taken from

the FreeBSD 6.1 release.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18421 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2006-08-07 11:15:01 +00:00
parent 340ac5d007
commit 1564b19c80
6 changed files with 355 additions and 0 deletions

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@ -0,0 +1,15 @@
/*
* Copyright 2006, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _BSD_SYS_CDEFS_H_
#define _BSD_SYS_CDEFS_H_
#include_next <sys/cdefs.h>
#define __FBSDID(x)
#define __unused
#endif /* _BSD_SYS_CDEFS_H_ */

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@ -0,0 +1,22 @@
/*
* Copyright 2006, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _BSD_UNISTD_H_
#define _BSD_UNISTD_H_
#include_next <unistd.h>
#ifdef __cplusplus
extern "C" {
#endif
int issetugid(void);
#ifdef __cplusplus
}
#endif
#endif /* _BSD_UNISTD_H_ */

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@ -0,0 +1,92 @@
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)vis.h 8.1 (Berkeley) 6/2/93
* $FreeBSD: src/include/vis.h,v 1.11 2003/10/30 10:40:49 phk Exp $
*/
#ifndef _VIS_H_
#define _VIS_H_
#include <sys/types.h>
/*
* to select alternate encoding format
*/
#define VIS_OCTAL 0x01 /* use octal \ddd format */
#define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */
/*
* to alter set of characters encoded (default is to encode all
* non-graphic except space, tab, and newline).
*/
#define VIS_SP 0x04 /* also encode space */
#define VIS_TAB 0x08 /* also encode tab */
#define VIS_NL 0x10 /* also encode newline */
#define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
#define VIS_SAFE 0x20 /* only encode "unsafe" characters */
/*
* other
*/
#define VIS_NOSLASH 0x40 /* inhibit printing '\' */
#define VIS_HTTPSTYLE 0x80 /* http-style escape % HEX HEX */
#define VIS_GLOB 0x100 /* encode glob(3) magics */
/*
* unvis return codes
*/
#define UNVIS_VALID 1 /* character valid */
#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
/*
* unvis flags
*/
#define UNVIS_END 1 /* no more characters */
#include <sys/cdefs.h>
__BEGIN_DECLS
char *vis(char *, int, int, int);
int strvis(char *, const char *, int);
int strvisx(char *, const char *, size_t, int);
int strunvis(char *, const char *);
int strunvisx(char *, const char *, int);
int unvis(char *, int, int *, int);
__END_DECLS
#endif /* !_VIS_H_ */

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@ -6,6 +6,8 @@ UseHeaders [ FDirName $(HAIKU_TOP) headers compatibility bsd ] : true ;
SharedLibrary libbsd.so : SharedLibrary libbsd.so :
err.c err.c
issetugid.c
progname.c progname.c
stringlist.c stringlist.c
vis.c
; ;

19
src/libs/bsd/issetugid.c Normal file
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@ -0,0 +1,19 @@
/*
* Copyright 2006, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Axel Dörfler, axeld@pinc-software.de
*/
#include <unistd.h>
int
issetugid(void)
{
// TODO: as long as we're effectively a single user system, this will do,
// but we might want to have real kernel support for this.
return 1;
}

205
src/libs/bsd/vis.c Normal file
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@ -0,0 +1,205 @@
/*-
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)vis.c 8.1 (Berkeley) 7/19/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/gen/vis.c,v 1.13 2003/10/30 12:41:50 phk Exp $");
#include <sys/types.h>
#include <limits.h>
#include <ctype.h>
#include <stdio.h>
#include <vis.h>
#define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
/*
* vis - visually encode characters
*/
char *
vis(dst, c, flag, nextc)
char *dst;
int c, nextc;
int flag;
{
c = (unsigned char)c;
if (flag & VIS_HTTPSTYLE) {
/* Described in RFC 1808 */
if (!(isalnum(c) /* alpha-numeric */
/* safe */
|| c == '$' || c == '-' || c == '_' || c == '.' || c == '+'
/* extra */
|| c == '!' || c == '*' || c == '\'' || c == '('
|| c == ')' || c == ',')) {
*dst++ = '%';
snprintf(dst, 4, (c < 16 ? "0%X" : "%X"), c);
dst += 2;
goto done;
}
}
if ((flag & VIS_GLOB) &&
(c == '*' || c == '?' || c == '[' || c == '#'))
;
else if (isgraph(c) ||
((flag & VIS_SP) == 0 && c == ' ') ||
((flag & VIS_TAB) == 0 && c == '\t') ||
((flag & VIS_NL) == 0 && c == '\n') ||
((flag & VIS_SAFE) && (c == '\b' || c == '\007' || c == '\r'))) {
*dst++ = c;
if (c == '\\' && (flag & VIS_NOSLASH) == 0)
*dst++ = '\\';
*dst = '\0';
return (dst);
}
if (flag & VIS_CSTYLE) {
switch(c) {
case '\n':
*dst++ = '\\';
*dst++ = 'n';
goto done;
case '\r':
*dst++ = '\\';
*dst++ = 'r';
goto done;
case '\b':
*dst++ = '\\';
*dst++ = 'b';
goto done;
case '\a':
*dst++ = '\\';
*dst++ = 'a';
goto done;
case '\v':
*dst++ = '\\';
*dst++ = 'v';
goto done;
case '\t':
*dst++ = '\\';
*dst++ = 't';
goto done;
case '\f':
*dst++ = '\\';
*dst++ = 'f';
goto done;
case ' ':
*dst++ = '\\';
*dst++ = 's';
goto done;
case '\0':
*dst++ = '\\';
*dst++ = '0';
if (isoctal(nextc)) {
*dst++ = '0';
*dst++ = '0';
}
goto done;
}
}
if (((c & 0177) == ' ') || isgraph(c) || (flag & VIS_OCTAL)) {
*dst++ = '\\';
*dst++ = ((u_char)c >> 6 & 07) + '0';
*dst++ = ((u_char)c >> 3 & 07) + '0';
*dst++ = ((u_char)c & 07) + '0';
goto done;
}
if ((flag & VIS_NOSLASH) == 0)
*dst++ = '\\';
if (c & 0200) {
c &= 0177;
*dst++ = 'M';
}
if (iscntrl(c)) {
*dst++ = '^';
if (c == 0177)
*dst++ = '?';
else
*dst++ = c + '@';
} else {
*dst++ = '-';
*dst++ = c;
}
done:
*dst = '\0';
return (dst);
}
/*
* strvis, strvisx - visually encode characters from src into dst
*
* Dst must be 4 times the size of src to account for possible
* expansion. The length of dst, not including the trailing NUL,
* is returned.
*
* Strvisx encodes exactly len bytes from src into dst.
* This is useful for encoding a block of data.
*/
int
strvis(dst, src, flag)
char *dst;
const char *src;
int flag;
{
char c;
char *start;
for (start = dst; (c = *src); )
dst = vis(dst, c, flag, *++src);
*dst = '\0';
return (dst - start);
}
int
strvisx(dst, src, len, flag)
char *dst;
const char *src;
size_t len;
int flag;
{
int c;
char *start;
for (start = dst; len > 1; len--) {
c = *src;
dst = vis(dst, c, flag, *++src);
}
if (len)
dst = vis(dst, *src, flag, '\0');
*dst = '\0';
return (dst - start);
}