Some updates for better portability.

-Erik
This commit is contained in:
Erik Andersen 2000-05-16 20:07:38 +00:00
parent 969f9b0486
commit 499f65fb98
7 changed files with 48 additions and 52 deletions

View File

@ -31,6 +31,12 @@ DODEBUG = false
# If you want a static binary, turn this on. # If you want a static binary, turn this on.
DOSTATIC = false DOSTATIC = false
# To compile vs an alternative libc, you may need to use/adjust
# the following lines to meet your needs. This is how I did it...
#CFLAGS+=-nostdinc -I/home/andersen/CVS/uC-libc/include -I/usr/include/linux
#LDFLAGS+=-nostdlib -L/home/andersen/CVS/libc.a
CC = gcc CC = gcc
# use '-Os' optimization if available, else use -O2 # use '-Os' optimization if available, else use -O2
@ -43,10 +49,6 @@ ifndef $(STRIPTOOL)
STRIPTOOL = strip STRIPTOOL = strip
endif endif
# TODO: Try compiling vs other libcs.
# See what -nostdinc and -nostdlib do for them.
# also try --prefix=/usr/my-libc-stuff
# -D_GNU_SOURCE is needed because environ is used in init.c # -D_GNU_SOURCE is needed because environ is used in init.c
ifeq ($(DODEBUG),true) ifeq ($(DODEBUG),true)
CFLAGS += -Wall -g -D_GNU_SOURCE CFLAGS += -Wall -g -D_GNU_SOURCE
@ -65,11 +67,10 @@ else
#want to give it a shot... #want to give it a shot...
# #
#ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \ #ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \
# -o /dev/null -xc /dev/null && $(LD) --gc-sections -v >/dev/null && echo 1),1) # -o /dev/null -xc /dev/null 2>/dev/null && $(LD) --gc-sections -v >/dev/null && echo 1),1)
# CFLAGS += -ffunction-sections -fdata-sections -DFUNCTION_SECTIONS # CFLAGS += -ffunction-sections -fdata-sections
# LDFLAGS += --gc-sections # LDFLAGS += --gc-sections
#endif #endif
#
endif endif
endif endif
@ -77,6 +78,7 @@ ifndef $(PREFIX)
PREFIX = `pwd`/_install PREFIX = `pwd`/_install
endif endif
LIBRARIES = LIBRARIES =
OBJECTS = $(shell ./busybox.sh) busybox.o messages.o utility.o OBJECTS = $(shell ./busybox.sh) busybox.o messages.o utility.o
CFLAGS += -DBB_VER='"$(VERSION)"' CFLAGS += -DBB_VER='"$(VERSION)"'

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@ -181,7 +181,7 @@ int date_main(int argc, char **argv)
set_time = 1; set_time = 1;
if (date_str != NULL) if (date_str != NULL)
usage(date_usage); usage(date_usage);
date_str = optarg; date_str = *argv;
break; break;
case 'u': case 'u':
utc = 1; utc = 1;
@ -192,7 +192,7 @@ int date_main(int argc, char **argv)
use_arg = 1; use_arg = 1;
if (date_str != NULL) if (date_str != NULL)
usage(date_usage); usage(date_usage);
date_str = optarg; date_str = *argv;
break; break;
case '-': case '-':
usage(date_usage); usage(date_usage);

4
date.c
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@ -181,7 +181,7 @@ int date_main(int argc, char **argv)
set_time = 1; set_time = 1;
if (date_str != NULL) if (date_str != NULL)
usage(date_usage); usage(date_usage);
date_str = optarg; date_str = *argv;
break; break;
case 'u': case 'u':
utc = 1; utc = 1;
@ -192,7 +192,7 @@ int date_main(int argc, char **argv)
use_arg = 1; use_arg = 1;
if (date_str != NULL) if (date_str != NULL)
usage(date_usage); usage(date_usage);
date_str = optarg; date_str = *argv;
break; break;
case '-': case '-':
usage(date_usage); usage(date_usage);

31
dutmp.c
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@ -8,22 +8,20 @@
* versions of 'who', 'last', etc. IP Addr is output in hex, * versions of 'who', 'last', etc. IP Addr is output in hex,
* little endian on x86. * little endian on x86.
* *
* made against libc6 * Modified to support all sort of libcs by
* Erik Andersen <andersen@lineo.com>
*/ */
#include "internal.h" #include "internal.h"
#include <stdio.h> #include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h> #include <errno.h>
#define BB_DECLARE_EXTERN #define BB_DECLARE_EXTERN
#define bb_need_io_error #define bb_need_io_error
#include "messages.c" #include "messages.c"
#if defined(__GLIBC__)
#include <utmp.h> #include <utmp.h>
#else
#include <utmp-wrap.h>
#define utmp new_utmp
#endif
static const char dutmp_usage[] = "dutmp [FILE]\n" static const char dutmp_usage[] = "dutmp [FILE]\n"
@ -36,27 +34,26 @@ static const char dutmp_usage[] = "dutmp [FILE]\n"
extern int dutmp_main(int argc, char **argv) extern int dutmp_main(int argc, char **argv)
{ {
FILE *f; int file;
struct utmp ut; struct utmp ut;
if (argc<2) { if (argc<2) {
f = stdin; file = fileno(stdin);
} else if (*argv[1] == '-' ) { } else if (*argv[1] == '-' ) {
usage(dutmp_usage); usage(dutmp_usage);
} else { } else {
f = fopen(argv[1], "r"); file = open(argv[1], O_RDONLY);
if (f == NULL) { if (file < 0) {
fatalError(io_error, argv[1], strerror(errno)); fatalError(io_error, argv[1], strerror(errno));
} }
} }
while (fread(&ut, sizeof(struct utmp), 1, f)) { while (read(file, (void*)&ut, sizeof(struct utmp))) {
printf("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n", printf("%d|%d|%s|%s|%s|%s|%s|%lx\n",
ut.ut_type, ut.ut_pid, ut.ut_line, ut.ut_type, ut.ut_pid, ut.ut_line,
ut.ut_id, ut.ut_user, ut.ut_host, ut.ut_id, ut.ut_user, ut.ut_host,
ut.ut_exit.e_termination, ut.ut_exit.e_exit, ctime(&(ut.ut_time)),
ut.ut_session, ut.ut_tv.tv_sec, ut.ut_tv.tv_usec, (long)ut.ut_addr);
ut.ut_addr_v6[0]);
} }
exit(TRUE); exit(TRUE);

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@ -8,22 +8,20 @@
* versions of 'who', 'last', etc. IP Addr is output in hex, * versions of 'who', 'last', etc. IP Addr is output in hex,
* little endian on x86. * little endian on x86.
* *
* made against libc6 * Modified to support all sort of libcs by
* Erik Andersen <andersen@lineo.com>
*/ */
#include "internal.h" #include "internal.h"
#include <stdio.h> #include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h> #include <errno.h>
#define BB_DECLARE_EXTERN #define BB_DECLARE_EXTERN
#define bb_need_io_error #define bb_need_io_error
#include "messages.c" #include "messages.c"
#if defined(__GLIBC__)
#include <utmp.h> #include <utmp.h>
#else
#include <utmp-wrap.h>
#define utmp new_utmp
#endif
static const char dutmp_usage[] = "dutmp [FILE]\n" static const char dutmp_usage[] = "dutmp [FILE]\n"
@ -36,27 +34,26 @@ static const char dutmp_usage[] = "dutmp [FILE]\n"
extern int dutmp_main(int argc, char **argv) extern int dutmp_main(int argc, char **argv)
{ {
FILE *f; int file;
struct utmp ut; struct utmp ut;
if (argc<2) { if (argc<2) {
f = stdin; file = fileno(stdin);
} else if (*argv[1] == '-' ) { } else if (*argv[1] == '-' ) {
usage(dutmp_usage); usage(dutmp_usage);
} else { } else {
f = fopen(argv[1], "r"); file = open(argv[1], O_RDONLY);
if (f == NULL) { if (file < 0) {
fatalError(io_error, argv[1], strerror(errno)); fatalError(io_error, argv[1], strerror(errno));
} }
} }
while (fread(&ut, sizeof(struct utmp), 1, f)) { while (read(file, (void*)&ut, sizeof(struct utmp))) {
printf("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n", printf("%d|%d|%s|%s|%s|%s|%s|%lx\n",
ut.ut_type, ut.ut_pid, ut.ut_line, ut.ut_type, ut.ut_pid, ut.ut_line,
ut.ut_id, ut.ut_user, ut.ut_host, ut.ut_id, ut.ut_user, ut.ut_host,
ut.ut_exit.e_termination, ut.ut_exit.e_exit, ctime(&(ut.ut_time)),
ut.ut_session, ut.ut_tv.tv_sec, ut.ut_tv.tv_usec, (long)ut.ut_addr);
ut.ut_addr_v6[0]);
} }
exit(TRUE); exit(TRUE);

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@ -61,7 +61,7 @@ extern int mt_main(int argc, char **argv)
struct mtop op; struct mtop op;
int fd; int fd;
if ((argc != 2 && argc != 3) || **(argv + 1) == '-') { if ((argc != 2 && argc != 3) && **(argv + 1) != '-') {
usage(mt_usage); usage(mt_usage);
} }

2
mt.c
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@ -61,7 +61,7 @@ extern int mt_main(int argc, char **argv)
struct mtop op; struct mtop op;
int fd; int fd;
if ((argc != 2 && argc != 3) || **(argv + 1) == '-') { if ((argc != 2 && argc != 3) && **(argv + 1) != '-') {
usage(mt_usage); usage(mt_usage);
} }