Refactor uname(1) code and manpage
remove stdlib.h-include which was there for no reason and clear up the manpage.
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2
README
2
README
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@ -72,7 +72,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
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#* tr yes none
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#* tr yes none
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=* true yes none
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=* true yes none
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=* tty yes none
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=* tty yes none
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= uname yes none
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=* uname yes none
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# unexpand yes none
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# unexpand yes none
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= uniq no -f, -s
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= uniq no -f, -s
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= unlink yes none
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= unlink yes none
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16
uname.1
16
uname.1
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@ -9,12 +9,10 @@
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.Op Fl amnrsv
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.Op Fl amnrsv
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.Sh DESCRIPTION
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.Sh DESCRIPTION
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.Nm
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.Nm
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prints system information. If no flags are given,
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writes system information to stdout. If no flags are given,
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.Nm
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.Nm
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will print only the
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implies
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name of the operating system as
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.Fl s .
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.Fl s
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would.
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.Sh OPTIONS
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.Sh OPTIONS
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.Bl -tag -width Ds
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.Bl -tag -width Ds
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.It Fl a
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.It Fl a
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@ -22,7 +20,7 @@ Print all the information below.
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.It Fl m
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.It Fl m
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Print the machine's architecture.
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Print the machine's architecture.
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.It Fl n
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.It Fl n
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Print the system's network name.
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Print the system's network node hostname.
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.It Fl r
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.It Fl r
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Print the operating system's release name.
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Print the operating system's release name.
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.It Fl s
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.It Fl s
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@ -32,3 +30,9 @@ Print the operating system's version name.
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.El
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.El
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.Sh SEE ALSO
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.Sh SEE ALSO
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.Xr uname 2
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.Xr uname 2
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.Sh STANDARDS
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The
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.Nm
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utility is compliant with the
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.St -p1003.1-2008
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specification.
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8
uname.c
8
uname.c
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@ -1,6 +1,5 @@
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/* See LICENSE file for copyright and license details. */
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/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/utsname.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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#include <unistd.h>
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@ -15,12 +14,8 @@ usage(void)
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int
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int
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main(int argc, char *argv[])
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main(int argc, char *argv[])
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{
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{
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int mflag = 0;
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int nflag = 0;
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int rflag = 0;
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int sflag = 0;
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int vflag = 0;
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struct utsname u;
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struct utsname u;
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int mflag = 0, nflag = 0, rflag = 0, sflag = 0, vflag = 0;
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ARGBEGIN {
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ARGBEGIN {
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case 'a':
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case 'a':
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@ -44,6 +39,7 @@ main(int argc, char *argv[])
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default:
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default:
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usage();
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usage();
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} ARGEND;
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} ARGEND;
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if (uname(&u) < 0)
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if (uname(&u) < 0)
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eprintf("uname:");
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eprintf("uname:");
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