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Diffstat (limited to 'usr/src/lib/libcmd/common/mkfifo.c')
| -rw-r--r-- | usr/src/lib/libcmd/common/mkfifo.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/usr/src/lib/libcmd/common/mkfifo.c b/usr/src/lib/libcmd/common/mkfifo.c new file mode 100644 index 0000000000..cffcab1e81 --- /dev/null +++ b/usr/src/lib/libcmd/common/mkfifo.c @@ -0,0 +1,89 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1992-2007 AT&T Knowledge Ventures * +* and is licensed under the * +* Common Public License, Version 1.0 * +* by AT&T Knowledge Ventures * +* * +* A copy of the License is available at * +* http://www.opensource.org/licenses/cpl1.0.txt * +* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped +/* + * David Korn + * AT&T Bell Laboratories + * + * mkfifo + */ + + +static const char usage[] = +"[-?\n@(#)$Id: mkfifo (AT&T Research) 1999-04-20 $\n]" +USAGE_LICENSE +"[+NAME?mkfifo - make FIFOs (named pipes)]" +"[+DESCRIPTION?\bmkfifo\b creates one or more FIFO's. By " + "default, the mode of created FIFO is \ba=rw\b minus the " + "bits set in the \bumask\b(1).]" +"[m:mode]:[mode?Set the mode of created FIFO to \amode\a. " + "\amode\a is symbolic or octal mode as in \bchmod\b(1). Relative " + "modes assume an initial mode of \ba=rw\b.]" +"\n" +"\nfile ...\n" +"\n" +"[+EXIT STATUS?]{" + "[+0?All FIFO's created successfully.]" + "[+>0?One or more FIFO's could not be created.]" +"}" +"[+SEE ALSO?\bchmod\b(1), \bumask\b(1)]" +; + +#include <cmd.h> +#include <ls.h> + +#define RWALL (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) + +int +b_mkfifo(int argc, char *argv[], void* context) +{ + register char *arg; + register mode_t mode=RWALL, mask=0; + register int n; + + cmdinit(argc, argv, context, ERROR_CATALOG, 0); + while (n = optget(argv, usage)) switch (n) + { + case 'm': + mode = strperm(arg=opt_info.arg,&opt_info.arg,mode); + if(*opt_info.arg) + error(ERROR_exit(0),"%s: invalid mode",arg); + break; + case ':': + error(2, "%s",opt_info.arg); + break; + case '?': + error(ERROR_usage(2), "%s",opt_info.arg); + break; + } + argv += opt_info.index; + if(error_info.errors || !*argv) + error(ERROR_usage(2),"%s",optusage(NiL)); + while(arg = *argv++) + { + if(mkfifo(arg,mode) < 0) + error(ERROR_system(0),"%s:",arg); + } + if(mask) + umask(mask); + return(error_info.errors!=0); +} + |