diff options
Diffstat (limited to 'usr/src/lib/libcmd/common/fds.c')
| -rw-r--r-- | usr/src/lib/libcmd/common/fds.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/usr/src/lib/libcmd/common/fds.c b/usr/src/lib/libcmd/common/fds.c index bafa2c09f7..cca4fd22c3 100644 --- a/usr/src/lib/libcmd/common/fds.c +++ b/usr/src/lib/libcmd/common/fds.c @@ -1,7 +1,7 @@ /*********************************************************************** * * * This software is part of the ast package * -* Copyright (c) 1992-2008 AT&T Intellectual Property * +* Copyright (c) 1992-2009 AT&T Intellectual Property * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Intellectual Property * @@ -21,7 +21,7 @@ #pragma prototyped static const char usage[] = -"[-?\n@(#)$Id: fds (AT&T Research) 2008-08-26 $\n]" +"[-?\n@(#)$Id: fds (AT&T Research) 2009-09-09 $\n]" USAGE_LICENSE "[+NAME?fds - list open file descriptor status]" "[+DESCRIPTION?\bfds\b lists the status for each open file descriptor. " @@ -29,6 +29,7 @@ USAGE_LICENSE "calling shell, otherwise it lists the file descriptors passed across " "\bexec\b(2).]" "[l:long?List file descriptor details.]" +"[u:unit?Write output to \afd\a.]#[fd]" "[+SEE ALSO?\blogname\b(1), \bwho\b(1), \bgetgroups\b(2), \bgetsockname\b(2), \bgetsockopts\b(2)]" ; @@ -164,6 +165,8 @@ b_fds(int argc, char** argv, void* context) int flags; int details; int open_max; + int unit; + Sfio_t* sp; struct stat st; #ifdef S_IFSOCK struct sockaddr_in addr; @@ -175,13 +178,16 @@ b_fds(int argc, char** argv, void* context) int type; int port; int prot; - char nam[256]; char num[64]; char fam[64]; +#ifdef INET6_ADDRSTRLEN + char nam[256]; +#endif #endif cmdinit(argc, argv, context, ERROR_CATALOG, 0); details = 0; + unit = 1; for (;;) { switch (optget(argv, usage)) @@ -189,6 +195,9 @@ b_fds(int argc, char** argv, void* context) case 'l': details = opt_info.num; continue; + case 'u': + unit = opt_info.num; + continue; case '?': error(ERROR_USAGE|4, "%s", opt_info.arg); continue; @@ -203,6 +212,10 @@ b_fds(int argc, char** argv, void* context) error(ERROR_USAGE|4, "%s", optusage(NiL)); if ((open_max = getconf("OPEN_MAX")) <= 0) open_max = OPEN_MAX; + if (unit == 1) + sp = sfstdout; + else if (fstat(unit, &st) || !(sp = sfnew(NiL, NiL, SF_UNBOUND, unit, SF_WRITE))) + error(ERROR_SYSTEM|3, "%d: cannot write to file descriptor"); for (i = 0; i <= open_max; i++) { if (fstat(i, &st)) @@ -212,7 +225,7 @@ b_fds(int argc, char** argv, void* context) } if (!details) { - sfprintf(sfstdout, "%d\n", i); + sfprintf(sp, "%d\n", i); continue; } if ((flags = fcntl(i, F_GETFL, (char*)0)) == -1) @@ -236,7 +249,7 @@ b_fds(int argc, char** argv, void* context) x = (fcntl(i, F_GETFD, (char*)0) > 0) ? "x" : "-"; if (isatty(i) && (s = ttyname(i))) { - sfprintf(sfstdout, "%02d %s%s %s %s\n", i, m, x, fmtmode(st.st_mode, 0), s); + sfprintf(sp, "%02d %s%s %s %s\n", i, m, x, fmtmode(st.st_mode, 0), s); continue; } #ifdef S_IFSOCK @@ -330,13 +343,18 @@ b_fds(int argc, char** argv, void* context) a = a == fam ? "0" : fam + 1; } if (port) - sfprintf(sfstdout, "%02d %s%s %s /dev/%s/%s/%d\n", i, m, x, fmtmode(st.st_mode, 0), s, a, port); + sfprintf(sp, "%02d %s%s %s /dev/%s/%s/%d\n", i, m, x, fmtmode(st.st_mode, 0), s, a, port); else - sfprintf(sfstdout, "%02d %s%s %s /dev/%s/%s\n", i, m, x, fmtmode(st.st_mode, 0), s, a); + sfprintf(sp, "%02d %s%s %s /dev/%s/%s\n", i, m, x, fmtmode(st.st_mode, 0), s, a); continue; } #endif - sfprintf(sfstdout, "%02d %s%s %s /dev/inode/%u/%u\n", i, m, x, fmtmode(st.st_mode, 0), st.st_dev, st.st_ino); + sfprintf(sp, "%02d %s%s %s /dev/inode/%u/%u\n", i, m, x, fmtmode(st.st_mode, 0), st.st_dev, st.st_ino); + } + if (sp != sfstdout) + { + sfsetfd(sp, -1); + sfclose(sp); } return 0; } |