Added ps
This commit is contained in:
parent
5efca5e777
commit
383e81a765
1
Makefile
1
Makefile
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@ -51,6 +51,7 @@ dist:
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$(PACKAGE)-$(VERSION)/src/nice.c \
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$(PACKAGE)-$(VERSION)/src/pr.c \
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$(PACKAGE)-$(VERSION)/src/printf.c \
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$(PACKAGE)-$(VERSION)/src/ps.c \
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$(PACKAGE)-$(VERSION)/src/pwd.c \
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$(PACKAGE)-$(VERSION)/src/renice.c \
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$(PACKAGE)-$(VERSION)/src/rm.c \
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@ -29,6 +29,7 @@ mv
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nice
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pr
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printf
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ps
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pwd
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renice
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rm
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17
src/Makefile
17
src/Makefile
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@ -1,4 +1,4 @@
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TARGETS = basename cat chgrp chmod chown cksum cmp cp df dirname du echo false file find head id kill link ln locale logname ls mkdir mkfifo more mv nice pr printf pwd renice rm rmdir sleep strings tail test time touch true tty uname uniq unlink wc who
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TARGETS = basename cat chgrp chmod chown cksum cmp cp df dirname du echo false file find head id kill link ln locale logname ls mkdir mkfifo more mv nice pr printf ps pwd renice rm rmdir sleep strings tail test time touch true tty uname uniq unlink wc who
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PREFIX = /usr/local
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DESTDIR =
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BINDIR = $(PREFIX)/bin
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@ -225,6 +225,13 @@ printf_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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printf: $(printf_OBJS)
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$(CC) -o printf $(printf_OBJS) $(printf_LDFLAGS)
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ps_OBJS = ps.o
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ps_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
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ps_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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ps: $(ps_OBJS)
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$(CC) -o ps $(ps_OBJS) $(ps_LDFLAGS)
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pwd_OBJS = pwd.o
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pwd_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
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pwd_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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@ -434,6 +441,9 @@ pr.o: pr.c
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printf.o: printf.c
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$(CC) $(printf_CFLAGS) -c printf.c
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ps.o: ps.c
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$(CC) $(ps_CFLAGS) -c ps.c
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pwd.o: pwd.c
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$(CC) $(pwd_CFLAGS) -c pwd.c
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@ -486,7 +496,7 @@ who.o: who.c
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$(CC) $(who_CFLAGS) -c who.c
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clean:
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$(RM) -- $(basename_OBJS) $(cat_OBJS) $(chgrp_OBJS) $(chmod_OBJS) $(chown_OBJS) $(cksum_OBJS) $(cmp_OBJS) $(cp_OBJS) $(df_OBJS) $(dirname_OBJS) $(du_OBJS) $(echo_OBJS) $(false_OBJS) $(file_OBJS) $(find_OBJS) $(head_OBJS) $(id_OBJS) $(kill_OBJS) $(link_OBJS) $(ln_OBJS) $(locale_OBJS) $(logname_OBJS) $(ls_OBJS) $(mkdir_OBJS) $(mkfifo_OBJS) $(more_OBJS) $(mv_OBJS) $(nice_OBJS) $(pr_OBJS) $(printf_OBJS) $(pwd_OBJS) $(renice_OBJS) $(rm_OBJS) $(rmdir_OBJS) $(sleep_OBJS) $(strings_OBJS) $(tail_OBJS) $(test_OBJS) $(time_OBJS) $(touch_OBJS) $(true_OBJS) $(tty_OBJS) $(uname_OBJS) $(uniq_OBJS) $(unlink_OBJS) $(wc_OBJS) $(who_OBJS)
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$(RM) -- $(basename_OBJS) $(cat_OBJS) $(chgrp_OBJS) $(chmod_OBJS) $(chown_OBJS) $(cksum_OBJS) $(cmp_OBJS) $(cp_OBJS) $(df_OBJS) $(dirname_OBJS) $(du_OBJS) $(echo_OBJS) $(false_OBJS) $(file_OBJS) $(find_OBJS) $(head_OBJS) $(id_OBJS) $(kill_OBJS) $(link_OBJS) $(ln_OBJS) $(locale_OBJS) $(logname_OBJS) $(ls_OBJS) $(mkdir_OBJS) $(mkfifo_OBJS) $(more_OBJS) $(mv_OBJS) $(nice_OBJS) $(pr_OBJS) $(printf_OBJS) $(ps_OBJS) $(pwd_OBJS) $(renice_OBJS) $(rm_OBJS) $(rmdir_OBJS) $(sleep_OBJS) $(strings_OBJS) $(tail_OBJS) $(test_OBJS) $(time_OBJS) $(touch_OBJS) $(true_OBJS) $(tty_OBJS) $(uname_OBJS) $(uniq_OBJS) $(unlink_OBJS) $(wc_OBJS) $(who_OBJS)
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distclean: clean
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$(RM) -- $(TARGETS)
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@ -553,6 +563,8 @@ install: $(TARGETS)
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$(MKDIR) $(DESTDIR)$(BINDIR)
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$(INSTALL) -m 0755 -- printf $(DESTDIR)$(BINDIR)/printf
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$(MKDIR) $(DESTDIR)$(BINDIR)
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$(INSTALL) -m 0755 -- ps $(DESTDIR)$(BINDIR)/ps
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$(MKDIR) $(DESTDIR)$(BINDIR)
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$(INSTALL) -m 0755 -- pwd $(DESTDIR)$(BINDIR)/pwd
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$(MKDIR) $(DESTDIR)$(BINDIR)
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$(INSTALL) -m 0755 -- renice $(DESTDIR)$(BINDIR)/renice
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@ -618,6 +630,7 @@ uninstall:
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$(RM) -- $(DESTDIR)$(BINDIR)/nice
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$(RM) -- $(DESTDIR)$(BINDIR)/pr
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$(RM) -- $(DESTDIR)$(BINDIR)/printf
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$(RM) -- $(DESTDIR)$(BINDIR)/ps
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$(RM) -- $(DESTDIR)$(BINDIR)/pwd
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$(RM) -- $(DESTDIR)$(BINDIR)/renice
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$(RM) -- $(DESTDIR)$(BINDIR)/rm
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@ -1,4 +1,4 @@
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targets=basename,cat,chgrp,chmod,chown,cksum,cmp,cp,df,dirname,du,echo,false,file,find,head,id,kill,link,ln,locale,logname,ls,mkdir,mkfifo,more,mv,nice,pr,printf,pwd,renice,rm,rmdir,sleep,strings,tail,test,time,touch,true,tty,uname,uniq,unlink,wc,who
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targets=basename,cat,chgrp,chmod,chown,cksum,cmp,cp,df,dirname,du,echo,false,file,find,head,id,kill,link,ln,locale,logname,ls,mkdir,mkfifo,more,mv,nice,pr,printf,ps,pwd,renice,rm,rmdir,sleep,strings,tail,test,time,touch,true,tty,uname,uniq,unlink,wc,who
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cflags_force=-W
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cflags=-Wall -g -O2 -pedantic
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dist=Makefile,common.c
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@ -163,6 +163,11 @@ type=binary
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sources=printf.c
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install=$(BINDIR)
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[ps]
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type=binary
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sources=ps.c
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install=$(BINDIR)
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[pwd]
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type=binary
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sources=pwd.c
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93
src/ps.c
Normal file
93
src/ps.c
Normal file
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@ -0,0 +1,93 @@
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/* $Id$ */
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/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Unix utils */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <dirent.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <limits.h>
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/* ps */
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static int _ps_error(char const * message, int ret);
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static int _ps(void)
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{
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char const proc[] = "/proc";
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char buf[256];
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DIR * dir;
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struct dirent * de;
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long pid;
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char * p;
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FILE * fp;
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size_t s;
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if((dir = opendir(proc)) == NULL)
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return -_ps_error(proc, 1);
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printf("%5s %s\n", "PID", "CMD");
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while((de = readdir(dir)) != NULL)
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{
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pid = strtol(de->d_name, &p, 10);
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if(de->d_name[0] == '\0' || *p != '\0' || pid < 0)
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continue;
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snprintf(buf, sizeof(buf), "%s/%s/%s", proc, de->d_name,
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"cmdline");
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if((fp = fopen(buf, "r")) != NULL)
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{
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s = fread(buf, sizeof(*buf), sizeof(buf) - 1, fp);
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fclose(fp);
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buf[s] = '\0';
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}
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else
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buf[0] = '\0';
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printf("%5lu %s\n", pid, buf);
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}
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closedir(dir);
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return 0;
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}
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static int _ps_error(char const * message, int ret)
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{
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fputs("ps: ", stderr);
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perror(message);
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return ret;
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}
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/* usage */
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static int _usage(void)
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{
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fputs("Usage: ps\n", stderr);
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return 1;
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}
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/* main */
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int main(int argc, char * argv[])
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{
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int o;
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while((o = getopt(argc, argv, "")) != -1)
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switch(o)
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{
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default:
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return _usage();
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}
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if(optind != argc)
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return _usage();
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return (_ps() == 0) ? 0 : 2;
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}
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@ -468,6 +468,21 @@
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#undef _prefs_parse
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#undef _printf
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/* ps.c */
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#define main _ps_main
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#define _usage _ps_usage
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#define _Prefs _ps_Prefs
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#define Prefs ps_Prefs
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#define _prefs_parse _ps_prefs_parse
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#define _ps __ps
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#include "../src/ps.c"
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#undef main
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#undef _usage
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#undef _Prefs
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#undef Prefs
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#undef _prefs_parse
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#undef _ps
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/* pwd.c */
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#define main _pwd_main
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#define _usage _pwd_usage
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@ -757,6 +772,7 @@ Call calls[] =
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{ "nice", _nice_main },
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{ "pr", _pr_main },
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{ "printf", _printf_main },
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{ "ps", _ps_main },
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{ "pwd", _pwd_main },
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{ "renice", _renice_main },
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{ "rm", _rm_main },
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