diff options
author | msmith <msmith@FreeBSD.org> | 1997-06-25 08:05:03 +0000 |
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committer | msmith <msmith@FreeBSD.org> | 1997-06-25 08:05:03 +0000 |
commit | d2cf9d630277a4d4f8601691fb1ac28b727e417e (patch) | |
tree | a14f0f66a27da1af31b2d539609ecf7c581470c1 /lib | |
parent | 0349f8963a04e34aaf3eef511adc2c8652d67d9f (diff) | |
download | FreeBSD-src-d2cf9d630277a4d4f8601691fb1ac28b727e417e.zip FreeBSD-src-d2cf9d630277a4d4f8601691fb1ac28b727e417e.tar.gz |
Add stringlist functions from NetBSD. (required for the new ftp(1)
Obtained from: NetBSD
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libc/gen/Makefile.inc | 11 | ||||
-rw-r--r-- | lib/libc/gen/stringlist.3 | 120 | ||||
-rw-r--r-- | lib/libc/gen/stringlist.c | 120 |
3 files changed, 246 insertions, 5 deletions
diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc index b223d9a..59ffcbb 100644 --- a/lib/libc/gen/Makefile.inc +++ b/lib/libc/gen/Makefile.inc @@ -1,5 +1,5 @@ # @(#)Makefile.inc 8.6 (Berkeley) 5/4/95 -# $Id: Makefile.inc,v 1.34 1997/05/30 20:53:13 phk Exp $ +# $Id: Makefile.inc,v 1.35 1997/06/14 01:15:41 ache Exp $ # machine-independent gen sources .PATH: ${.CURDIR}/../libc/${MACHINE}/gen ${.CURDIR}/../libc/gen @@ -17,10 +17,10 @@ SRCS+= alarm.c arc4random.c assert.c clock.c closedir.c config.c confstr.c \ scandir.c seekdir.c semconfig.c semctl.c semget.c semop.c \ setdomainname.c sethostname.c setjmperr.c setmode.c shmat.c \ shmctl.c shmdt.c shmget.c siginterrupt.c siglist.c signal.c \ - sigsetops.c sleep.c sysconf.c sysctl.c sysctlbyname.c syslog.c \ - telldir.c termios.c time.c times.c timezone.c ttyname.c ttyslot.c \ - ualarm.c uname.c unvis.c usleep.c utime.c valloc.c vis.c wait.c \ - wait3.c waitpid.c + sigsetops.c sleep.c stringlist.c sysconf.c sysctl.c sysctlbyname.c \ + syslog.c telldir.c termios.c time.c times.c timezone.c ttyname.c \ + ttyslot.c ualarm.c uname.c unvis.c usleep.c utime.c valloc.c vis.c \ + wait.c wait3.c waitpid.c # *rand48 family, from 1.1.5 SRCS+= _rand48.c drand48.c erand48.c jrand48.c lcong48.c lrand48.c \ @@ -56,6 +56,7 @@ MAN3+= gen/alarm.3 gen/arc4random.3 gen/clock.3 gen/confstr.3 \ gen/raise.3 gen/rand48.3 \ gen/scandir.3 gen/setjmp.3 gen/setmode.3 \ gen/siginterrupt.3 gen/signal.3 gen/sigsetops.3 gen/sleep.3 \ + gen/stringlist.3 \ gen/sysconf.3 gen/sysctl.3 gen/syslog.3 gen/tcgetpgrp.3 \ gen/tcsendbreak.3 gen/tcsetattr.3 gen/tcsetpgrp.3 gen/time.3 \ gen/times.3 gen/timezone.3 gen/ttyname.3 gen/tzset.3 gen/ualarm.3 \ diff --git a/lib/libc/gen/stringlist.3 b/lib/libc/gen/stringlist.3 new file mode 100644 index 0000000..5023c5c --- /dev/null +++ b/lib/libc/gen/stringlist.3 @@ -0,0 +1,120 @@ +.\" $NetBSD: stringlist.3,v 1.2 1997/04/09 08:59:25 kleink Exp $ +.\" +.\" Copyright (c) 1997 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This file was contributed to The NetBSD Foundation by Luke Mewburn. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the NetBSD +.\" Foundation, Inc. and its contributors. +.\" 4. Neither the name of The NetBSD Foundation nor the names of its +.\" contributors may be used to endorse or promote products derived +.\" from this software without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE +.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd February 24, 1997 +.Os NetBSD 1.3 +.Dt STRINGLIST 3 +.Sh NAME +.Nm stringlist , +.Nm sl_init , +.Nm sl_add , +.Nm sl_free , +.Nm sl_find +.Nd stringlist manipulation functions +.Sh SYNOPSIS +.Fd #include <stringlist.h> +.Ft StringList * +.Fn sl_init +.Ft void +.Fn sl_add "StringList *sl" "char *item" +.Ft void +.Fn sl_free "StringList *sl" "int freeall" +.Ft char * +.Fn sl_find "StringList *sl" "char *item" +.Sh DESCRIPTION +The +.Nm +functions manipulate stringlists, which are lists of +strings that extend automatically if necessary. +.Pp +The +.Ar StringList +structure has the following definition: +.Bd -literal -offset indent +typedef struct _stringlist { + char **sl_str; + size_t sl_max; + size_t sl_cur; +} StringList; +.Ed +.Pp +.Bl -tag -width "sl_str" -offset indent +.It Ar sl_str +a pointer to the base of the array containing the list. +.It Ar sl_max +the size of +.Ar sl_str . +.It Ar sl_cur +the offset in +.Ar sl_str +of the current element. +.El +.Pp +The following stringlist manipulation functions are available: +.Bl -tag -width "sl_init()" +.It Fn sl_init +Create a stringlist. +Returns a pointer to a +.Ar StringList . +.It Fn sl_free +Releases memory occupied by +.Ar sl +and the +.Ar sl->sl_str +array. +If +.Ar freeall +is non-zero, then each of the items within +.Ar sl->sl_str +is released as well. +.It Fn sl_add +Add +.Ar item +to +.Ar sl->sl_str +at +.Ar sl->sl_cur , +extending the size of +.Ar sl->sl_str +.It Fn sl_find +Find +.Ar item +in +.Ar sl , +returning NULL if it's not found. +.El +.Sh SEE ALSO +.Xr free 3 , +.Xr malloc 3 diff --git a/lib/libc/gen/stringlist.c b/lib/libc/gen/stringlist.c new file mode 100644 index 0000000..69667a8 --- /dev/null +++ b/lib/libc/gen/stringlist.c @@ -0,0 +1,120 @@ +/* $NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $ */ + +/* + * Copyright (c) 1994 Christos Zoulas + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Christos Zoulas. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <stdio.h> +#include <string.h> +#include <err.h> +#include <stdlib.h> +#include <stringlist.h> + +#define _SL_CHUNKSIZE 20 + +/* + * sl_init(): Initialize a string list + */ +StringList * +sl_init() +{ + StringList *sl = malloc(sizeof(StringList)); + if (sl == NULL) + _err(1, "stringlist: %m"); + + sl->sl_cur = 0; + sl->sl_max = _SL_CHUNKSIZE; + sl->sl_str = malloc(sl->sl_max * sizeof(char *)); + if (sl->sl_str == NULL) + _err(1, "stringlist: %m"); + return sl; +} + + +/* + * sl_add(): Add an item to the string list + */ +void +sl_add(sl, name) + StringList *sl; + char *name; +{ + if (sl->sl_cur == sl->sl_max - 1) { + sl->sl_max += _SL_CHUNKSIZE; + sl->sl_str = realloc(sl->sl_str, sl->sl_max * sizeof(char *)); + if (sl->sl_str == NULL) + _err(1, "stringlist: %m"); + } + sl->sl_str[sl->sl_cur++] = name; +} + + +/* + * sl_free(): Free a stringlist + */ +void +sl_free(sl, all) + StringList *sl; + int all; +{ + size_t i; + + if (sl == NULL) + return; + if (sl->sl_str) { + if (all) + for (i = 0; i < sl->sl_cur; i++) + free(sl->sl_str[i]); + free(sl->sl_str); + } + free(sl); +} + + +/* + * sl_find(): Find a name in the string list + */ +char * +sl_find(sl, name) + StringList *sl; + char *name; +{ + size_t i; + + for (i = 0; i < sl->sl_cur; i++) + if (strcmp(sl->sl_str[i], name) == 0) + return sl->sl_str[i]; + + return NULL; +} |