From be0c36009a342de3599d498d6f150030b6a75b98 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 2 Aug 2001 10:55:32 +0000 Subject: [PATCH] More libc5 fixups -Erik --- Makefile | 2 +- coreutils/dos2unix.c | 5 +++ dos2unix.c | 5 +++ include/libbb.h | 2 + libbb/libbb.h | 2 + libbb/{daemon.c => libc5.c} | 84 ++++++++++++++++++++++++++++++---- networking/traceroute.c | 90 +++++++++++++++++++++++++++++++++++++ traceroute.c | 90 +++++++++++++++++++++++++++++++++++++ 8 files changed, 270 insertions(+), 10 deletions(-) rename libbb/{daemon.c => libc5.c} (64%) diff --git a/Makefile b/Makefile index bde97042d..c6a232d80 100644 --- a/Makefile +++ b/Makefile @@ -235,7 +235,7 @@ endif LIBBB = libbb LIBBB_LIB = libbb.a LIBBB_CSRC= ask_confirmation.c chomp.c concat_path_file.c copy_file.c \ -copy_file_chunk.c daemon.c device_open.c error_msg.c \ +copy_file_chunk.c libc5.c device_open.c error_msg.c \ error_msg_and_die.c fgets_str.c find_mount_point.c find_pid_by_name.c \ find_root_device.c full_read.c full_write.c get_console.c \ get_last_path_component.c get_line_from_file.c gz_open.c human_readable.c \ diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c index 68aee13c5..02b70d915 100644 --- a/coreutils/dos2unix.c +++ b/coreutils/dos2unix.c @@ -34,6 +34,11 @@ #include #include "busybox.h" +/* Teach libc5 what a uint64_t is */ +#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1) +typedef unsigned long int uint64_t; +#endif + static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; // if fn is NULL then input is stdin and output is stdout diff --git a/dos2unix.c b/dos2unix.c index 68aee13c5..02b70d915 100644 --- a/dos2unix.c +++ b/dos2unix.c @@ -34,6 +34,11 @@ #include #include "busybox.h" +/* Teach libc5 what a uint64_t is */ +#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1) +typedef unsigned long int uint64_t; +#endif + static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; // if fn is NULL then input is stdin and output is stdout diff --git a/include/libbb.h b/include/libbb.h index 70ac36a86..04ed2ae82 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -46,6 +46,8 @@ typedef unsigned int socklen_t; /* libc5 doesn't implement BSD 4.4 daemon() */ extern int daemon (int nochdir, int noclose); +/* libc5 doesn't implement strtok_r */ +char *strtok_r(char *s, const char *delim, char **ptrptr); #endif /* Some useful definitions */ diff --git a/libbb/libbb.h b/libbb/libbb.h index 70ac36a86..04ed2ae82 100644 --- a/libbb/libbb.h +++ b/libbb/libbb.h @@ -46,6 +46,8 @@ typedef unsigned int socklen_t; /* libc5 doesn't implement BSD 4.4 daemon() */ extern int daemon (int nochdir, int noclose); +/* libc5 doesn't implement strtok_r */ +char *strtok_r(char *s, const char *delim, char **ptrptr); #endif /* Some useful definitions */ diff --git a/libbb/daemon.c b/libbb/libc5.c similarity index 64% rename from libbb/daemon.c rename to libbb/libc5.c index 6d4169ed5..20295fd4b 100644 --- a/libbb/daemon.c +++ b/libbb/libc5.c @@ -1,4 +1,77 @@ /* vi: set sw=4 ts=4: */ + + +#include +#include +#include +#include +#include +#include + + +#if __GNU_LIBRARY__ < 5 + + +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* + * Modified by Manuel Novoa III Mar 1, 2001 + * + * Converted original strtok.c code of strtok to __strtok_r. + * Cleaned up logic and reduced code size. + */ + + +char *strtok_r(char *s, const char *delim, char **save_ptr) +{ + char *token; + + token = 0; /* Initialize to no token. */ + + if (s == 0) { /* If not first time called... */ + s = *save_ptr; /* restart from where we left off. */ + } + + if (s != 0) { /* If not finished... */ + *save_ptr = 0; + + s += strspn(s, delim); /* Skip past any leading delimiters. */ + if (*s != '\0') { /* We have a token. */ + token = s; + *save_ptr = strpbrk(token, delim); /* Find token's end. */ + if (*save_ptr != 0) { + /* Terminate the token and make SAVE_PTR point past it. */ + *(*save_ptr)++ = '\0'; + } + } + } + + return token; +} + +/* Basically getdelim() with the delimiter hard wired to '\n' */ +ssize_t getline(char **linebuf, size_t *n, FILE *file) +{ + return (getdelim (linebuf, n, '\n', file)); +} + + /* * daemon implementation for uClibc * @@ -26,14 +99,6 @@ * Original copyright notice is retained at the end of this file. */ -#include -#include -#include -#include - - -#if __GNU_LIBRARY__ < 5 - int daemon( int nochdir, int noclose ) { int fd; @@ -62,7 +127,6 @@ int daemon( int nochdir, int noclose ) } return(0); } -#endif /*- @@ -99,3 +163,5 @@ int daemon( int nochdir, int noclose ) */ +#endif + diff --git a/networking/traceroute.c b/networking/traceroute.c index f4c67cf41..a3abd0a00 100644 --- a/networking/traceroute.c +++ b/networking/traceroute.c @@ -81,6 +81,96 @@ #include #include + + /* It turns out that libc5 doesn't have proper icmp support + * built into it header files, so we have to supplement it */ +#if __GNU_LIBRARY__ < 5 +static const int ICMP_MINLEN = 8; /* abs minimum */ + +struct icmp_ra_addr +{ + u_int32_t ira_addr; + u_int32_t ira_preference; +}; + + +struct icmp +{ + u_int8_t icmp_type; /* type of message, see below */ + u_int8_t icmp_code; /* type sub code */ + u_int16_t icmp_cksum; /* ones complement checksum of struct */ + union + { + u_char ih_pptr; /* ICMP_PARAMPROB */ + struct in_addr ih_gwaddr; /* gateway address */ + struct ih_idseq /* echo datagram */ + { + u_int16_t icd_id; + u_int16_t icd_seq; + } ih_idseq; + u_int32_t ih_void; + + /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */ + struct ih_pmtu + { + u_int16_t ipm_void; + u_int16_t ipm_nextmtu; + } ih_pmtu; + + struct ih_rtradv + { + u_int8_t irt_num_addrs; + u_int8_t irt_wpa; + u_int16_t irt_lifetime; + } ih_rtradv; + } icmp_hun; +#define icmp_pptr icmp_hun.ih_pptr +#define icmp_gwaddr icmp_hun.ih_gwaddr +#define icmp_id icmp_hun.ih_idseq.icd_id +#define icmp_seq icmp_hun.ih_idseq.icd_seq +#define icmp_void icmp_hun.ih_void +#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void +#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu +#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs +#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa +#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime + union + { + struct + { + u_int32_t its_otime; + u_int32_t its_rtime; + u_int32_t its_ttime; + } id_ts; + struct + { + struct ip idi_ip; + /* options and then 64 bits of data */ + } id_ip; + struct icmp_ra_addr id_radv; + u_int32_t id_mask; + u_int8_t id_data[1]; + } icmp_dun; +#define icmp_otime icmp_dun.id_ts.its_otime +#define icmp_rtime icmp_dun.id_ts.its_rtime +#define icmp_ttime icmp_dun.id_ts.its_ttime +#define icmp_ip icmp_dun.id_ip.idi_ip +#define icmp_radv icmp_dun.id_radv +#define icmp_mask icmp_dun.id_mask +#define icmp_data icmp_dun.id_data +}; + +#define ICMP_MINLEN 8 /* abs minimum */ +#define ICMP_UNREACH 3 /* dest unreachable, codes: */ +#define ICMP_TIMXCEED 11 /* time exceeded, code: */ +#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */ +#define ICMP_UNREACH_NET 0 /* bad net */ +#define ICMP_UNREACH_HOST 1 /* bad host */ +#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */ +#define ICMP_UNREACH_PORT 3 /* bad port */ +#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */ +#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */ +#endif #define MAXPACKET 65535 /* max ip packet size */ diff --git a/traceroute.c b/traceroute.c index f4c67cf41..a3abd0a00 100644 --- a/traceroute.c +++ b/traceroute.c @@ -81,6 +81,96 @@ #include #include + + /* It turns out that libc5 doesn't have proper icmp support + * built into it header files, so we have to supplement it */ +#if __GNU_LIBRARY__ < 5 +static const int ICMP_MINLEN = 8; /* abs minimum */ + +struct icmp_ra_addr +{ + u_int32_t ira_addr; + u_int32_t ira_preference; +}; + + +struct icmp +{ + u_int8_t icmp_type; /* type of message, see below */ + u_int8_t icmp_code; /* type sub code */ + u_int16_t icmp_cksum; /* ones complement checksum of struct */ + union + { + u_char ih_pptr; /* ICMP_PARAMPROB */ + struct in_addr ih_gwaddr; /* gateway address */ + struct ih_idseq /* echo datagram */ + { + u_int16_t icd_id; + u_int16_t icd_seq; + } ih_idseq; + u_int32_t ih_void; + + /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */ + struct ih_pmtu + { + u_int16_t ipm_void; + u_int16_t ipm_nextmtu; + } ih_pmtu; + + struct ih_rtradv + { + u_int8_t irt_num_addrs; + u_int8_t irt_wpa; + u_int16_t irt_lifetime; + } ih_rtradv; + } icmp_hun; +#define icmp_pptr icmp_hun.ih_pptr +#define icmp_gwaddr icmp_hun.ih_gwaddr +#define icmp_id icmp_hun.ih_idseq.icd_id +#define icmp_seq icmp_hun.ih_idseq.icd_seq +#define icmp_void icmp_hun.ih_void +#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void +#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu +#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs +#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa +#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime + union + { + struct + { + u_int32_t its_otime; + u_int32_t its_rtime; + u_int32_t its_ttime; + } id_ts; + struct + { + struct ip idi_ip; + /* options and then 64 bits of data */ + } id_ip; + struct icmp_ra_addr id_radv; + u_int32_t id_mask; + u_int8_t id_data[1]; + } icmp_dun; +#define icmp_otime icmp_dun.id_ts.its_otime +#define icmp_rtime icmp_dun.id_ts.its_rtime +#define icmp_ttime icmp_dun.id_ts.its_ttime +#define icmp_ip icmp_dun.id_ip.idi_ip +#define icmp_radv icmp_dun.id_radv +#define icmp_mask icmp_dun.id_mask +#define icmp_data icmp_dun.id_data +}; + +#define ICMP_MINLEN 8 /* abs minimum */ +#define ICMP_UNREACH 3 /* dest unreachable, codes: */ +#define ICMP_TIMXCEED 11 /* time exceeded, code: */ +#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */ +#define ICMP_UNREACH_NET 0 /* bad net */ +#define ICMP_UNREACH_HOST 1 /* bad host */ +#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */ +#define ICMP_UNREACH_PORT 3 /* bad port */ +#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */ +#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */ +#endif #define MAXPACKET 65535 /* max ip packet size */