19b50d902SRodney W. Grimes.\" Copyright (c) 1992, 1993 29b50d902SRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 39b50d902SRodney W. Grimes.\" 49b50d902SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 59b50d902SRodney W. Grimes.\" modification, are permitted provided that the following conditions 69b50d902SRodney W. Grimes.\" are met: 79b50d902SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 89b50d902SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 99b50d902SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 109b50d902SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 119b50d902SRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 12*fbbd9655SWarner Losh.\" 3. Neither the name of the University nor the names of its contributors 139b50d902SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 149b50d902SRodney W. Grimes.\" without specific prior written permission. 159b50d902SRodney W. Grimes.\" 169b50d902SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 179b50d902SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 189b50d902SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 199b50d902SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 209b50d902SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 219b50d902SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 229b50d902SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 239b50d902SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 249b50d902SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 259b50d902SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 269b50d902SRodney W. Grimes.\" SUCH DAMAGE. 279b50d902SRodney W. Grimes.\" 289b50d902SRodney W. Grimes.\" @(#)zopen.3 8.1 (Berkeley) 6/9/93 29c3aac50fSPeter Wemm.\" $FreeBSD$ 309b50d902SRodney W. Grimes.\" 319b50d902SRodney W. Grimes.Dd June 9, 1993 329b50d902SRodney W. Grimes.Dt ZOPEN 3 339b50d902SRodney W. Grimes.Os 349b50d902SRodney W. Grimes.Sh NAME 359b50d902SRodney W. Grimes.Nm zopen 369b50d902SRodney W. Grimes.Nd compressed stream open function 379b50d902SRodney W. Grimes.Sh SYNOPSIS 386846c174SRuslan Ermilov.Fd #include \&"zopen.h\&" 399b50d902SRodney W. Grimes.Ft FILE * 409b50d902SRodney W. Grimes.Fn zopen "const char *path" "const char *mode" "int bits" 419b50d902SRodney W. Grimes.Sh DESCRIPTION 429b50d902SRodney W. GrimesThe 439b50d902SRodney W. Grimes.Fn zopen 449b50d902SRodney W. Grimesfunction 459b50d902SRodney W. Grimesopens the compressed file whose name is the string pointed to by 469b50d902SRodney W. Grimes.Fa path 479b50d902SRodney W. Grimesand associates a stream with it. 489b50d902SRodney W. Grimes.Pp 499b50d902SRodney W. GrimesThe argument 509b50d902SRodney W. Grimes.Fa mode 519b50d902SRodney W. Grimespoints to one of the following one-character strings: 529b50d902SRodney W. Grimes.Bl -tag -width indent 539b50d902SRodney W. Grimes.It Dq Li r 549b50d902SRodney W. GrimesOpen compressed file for reading. 559b50d902SRodney W. GrimesThe stream is positioned at the beginning of the file. 569b50d902SRodney W. Grimes.It Dq Li w 579b50d902SRodney W. GrimesTruncate file to zero length or create compressed file for writing. 589b50d902SRodney W. GrimesThe stream is positioned at the beginning of the file. 599b50d902SRodney W. Grimes.El 609b50d902SRodney W. Grimes.Pp 619b50d902SRodney W. GrimesAny created files will have mode 629b50d902SRodney W. Grimes.Pf \\*q Dv S_IRUSR 639b50d902SRodney W. Grimes\&| 649b50d902SRodney W. Grimes.Dv S_IWUSR 659b50d902SRodney W. Grimes\&| 669b50d902SRodney W. Grimes.Dv S_IRGRP 679b50d902SRodney W. Grimes\&| 689b50d902SRodney W. Grimes.Dv S_IWGRP 699b50d902SRodney W. Grimes\&| 709b50d902SRodney W. Grimes.Dv S_IROTH 719b50d902SRodney W. Grimes\&| 729b50d902SRodney W. Grimes.Dv S_IWOTH Ns \\*q 739b50d902SRodney W. Grimes.Pq Li 0666 , 749b50d902SRodney W. Grimesas modified by the process' 759b50d902SRodney W. Grimesumask value (see 769b50d902SRodney W. Grimes.Xr umask 2 ) . 779b50d902SRodney W. Grimes.Pp 789b50d902SRodney W. GrimesFiles may only be read or written. 799b50d902SRodney W. GrimesSeek operations are not allowed. 809b50d902SRodney W. Grimes.Pp 819b50d902SRodney W. GrimesThe 829b50d902SRodney W. Grimes.Fa bits 839b50d902SRodney W. Grimesargument, if non-zero, is set to the bits code limit. 849b50d902SRodney W. GrimesIf zero, the default is 16. 859b50d902SRodney W. GrimesSee 86fae643c5SPhilippe Charnier.Xr compress 1 879b50d902SRodney W. Grimesfor more information. 889b50d902SRodney W. Grimes.Sh RETURN VALUES 899b50d902SRodney W. GrimesUpon successful completion 909b50d902SRodney W. Grimes.Fn zopen 919b50d902SRodney W. Grimesreturns a 929b50d902SRodney W. Grimes.Tn FILE 939b50d902SRodney W. Grimespointer. 949b50d902SRodney W. GrimesOtherwise, 959b50d902SRodney W. Grimes.Dv NULL 969b50d902SRodney W. Grimesis returned and the global variable 979b50d902SRodney W. Grimes.Va errno 989b50d902SRodney W. Grimesis set to indicate the error. 999b50d902SRodney W. Grimes.Sh ERRORS 1009b50d902SRodney W. Grimes.Bl -tag -width [EINVAL] 1019b50d902SRodney W. Grimes.It Bq Er EINVAL 1029b50d902SRodney W. GrimesThe 1039b50d902SRodney W. Grimes.Fa mode 1049b50d902SRodney W. Grimesor 1059b50d902SRodney W. Grimes.Fa bits 1069b50d902SRodney W. Grimesarguments specified to 1079b50d902SRodney W. Grimes.Fn zopen 1089b50d902SRodney W. Grimeswere invalid. 1099b50d902SRodney W. Grimes.It Bq Er EFTYPE 1109b50d902SRodney W. GrimesThe compressed file starts with an invalid header, or the compressed 1119b50d902SRodney W. Grimesfile is compressed with more bits than can be handled. 1129b50d902SRodney W. Grimes.El 1139b50d902SRodney W. Grimes.Pp 1149b50d902SRodney W. GrimesThe 1159b50d902SRodney W. Grimes.Fn zopen 1169b50d902SRodney W. Grimesfunction may also fail and set 1179b50d902SRodney W. Grimes.Va errno 1189b50d902SRodney W. Grimesfor any of the errors specified for the routines 1199b50d902SRodney W. Grimes.Xr fopen 3 1209b50d902SRodney W. Grimesor 1219b50d902SRodney W. Grimes.Xr funopen 3 . 1229b50d902SRodney W. Grimes.Sh SEE ALSO 1239b50d902SRodney W. Grimes.Xr compress 1 , 1249b50d902SRodney W. Grimes.Xr fopen 3 , 1259b50d902SRodney W. Grimes.Xr funopen 3 1269b50d902SRodney W. Grimes.Sh HISTORY 1279b50d902SRodney W. GrimesThe 1288fe908efSRuslan Ermilov.Nm 1299b50d902SRodney W. Grimesfunction 130c0b0bcf4SMike Pritchardfirst appeared in 131c0b0bcf4SMike Pritchard.Bx 4.4 . 1329b50d902SRodney W. Grimes.Sh BUGS 1339b50d902SRodney W. GrimesThe 1349b50d902SRodney W. Grimes.Fn zopen 1359b50d902SRodney W. Grimesfunction 1369b50d902SRodney W. Grimesmay not be portable to systems other than 1379b50d902SRodney W. Grimes.Bx . 138