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authorchin <none@none>2007-08-17 12:01:52 -0700
committerchin <none@none>2007-08-17 12:01:52 -0700
commitda2e3ebdc1edfbc5028edf1354e7dd2fa69a7968 (patch)
tree5280d3b78e289fe9551371ab6e7f15ef9944ea14 /usr/src/lib/libast/common/string/strtape.c
parent073dbf9103ef2a2b05d8a16e2d26db04e0374b0e (diff)
downloadillumos-gate-da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968.tar.gz
6437624 RFE: Add ksh93 (as /usr/bin/ksh93) and libshell.so to OS/Net
6505835 AST tools and library (libpp) required for creating l10n messages for ksh93 PSARC/2006/550 Korn Shell 93 Integration PSARC/2006/587 /etc/ksh.kshrc for ksh93 PSARC/2007/035 ksh93 Amendments Contributed by Roland Mainz <roland.mainz@nrubsig.org> --HG-- rename : usr/src/lib/libcmd/common/mapfile-vers => deleted_files/usr/src/lib/libcmd/common/mapfile-vers rename : usr/src/lib/libcmd/common/placeholder.c => deleted_files/usr/src/lib/libcmd/common/placeholder.c
Diffstat (limited to 'usr/src/lib/libast/common/string/strtape.c')
-rw-r--r--usr/src/lib/libast/common/string/strtape.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/string/strtape.c b/usr/src/lib/libast/common/string/strtape.c
new file mode 100644
index 0000000000..4f3d258a7e
--- /dev/null
+++ b/usr/src/lib/libast/common/string/strtape.c
@@ -0,0 +1,148 @@
+/***********************************************************************
+* *
+* This software is part of the ast package *
+* Copyright (c) 1985-2007 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> *
+* Phong Vo <kpv@research.att.com> *
+* *
+***********************************************************************/
+#pragma prototyped
+/*
+ * local device pathname for portable tape unit specification is returned
+ * if e is non-null then it is set to the next unused char in s
+ *
+ * <unit><density>[<no-rewind>]
+ * {0-7}[l,m,h,u,c][n]
+ */
+
+#include <ast.h>
+
+char*
+strtape(register const char* s, register char** e)
+{
+ int mtunit = '0';
+ int mtdensity = 0;
+ char mtrewind[2];
+ char mtbehavior[2];
+
+ static char tapefile[sizeof("/dev/Xrmt/123456789")];
+
+ mtrewind[0] = mtrewind[1] = mtbehavior[0] = mtbehavior[1] = 0;
+ for (;;)
+ {
+ switch (*s)
+ {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ mtunit = *s++;
+ continue;
+ case 'b':
+ case 'v':
+ mtbehavior[0] = *s++;
+ continue;
+ case 'l':
+ case 'm':
+ case 'h':
+ case 'u':
+ case 'c':
+ mtdensity = *s++;
+ continue;
+ case 'n':
+ mtrewind[0] = *s++;
+ continue;
+ }
+ break;
+ }
+ if (e) *e = (char*)s;
+ if (!access("/dev/rmt/.", F_OK))
+ {
+ /*
+ * system V
+ */
+
+ if (!mtdensity) mtdensity = 'm';
+ sfsprintf(tapefile, sizeof(tapefile), "/dev/rmt/ctape%c%s", mtunit, mtrewind);
+ if (!access(tapefile, F_OK)) return(tapefile);
+ for (;;)
+ {
+ sfsprintf(tapefile, sizeof(tapefile), "/dev/rmt/%c%c%s%s", mtunit, mtdensity, mtbehavior, mtrewind);
+ if (!access(tapefile, F_OK)) return(tapefile);
+ if (!mtbehavior[0]) break;
+ mtbehavior[0] = 0;
+ }
+ }
+ else if (!access("/dev/nst0", F_OK))
+ {
+ /*
+ * linux
+ */
+
+ sfsprintf(tapefile, sizeof(tapefile), "/dev/%sst%c", mtrewind, mtunit);
+ }
+ else if (!access("/dev/nrmt0", F_OK))
+ {
+ /*
+ * 9th edition
+ */
+
+ switch (mtdensity)
+ {
+ case 'l':
+ mtunit = '0';
+ break;
+ case 'm':
+ mtunit = '1';
+ break;
+ case 'h':
+ mtunit = '2';
+ break;
+ }
+ sfsprintf(tapefile, sizeof(tapefile), "/dev/%srmt%c", mtrewind, mtunit);
+ }
+ else
+ {
+ /*
+ * BSD
+ */
+
+ mtunit -= '0';
+ switch (mtdensity)
+ {
+ case 'l':
+ break;
+ case 'h':
+ mtunit |= 020;
+ break;
+ default:
+ mtunit |= 010;
+ break;
+ }
+ switch (mtrewind[0])
+ {
+ case 'n':
+ mtunit |= 040;
+ break;
+ }
+ sfsprintf(tapefile, sizeof(tapefile), "/dev/rmt%d", mtunit);
+ }
+ return(tapefile);
+}