diff options
Diffstat (limited to 'contrib/sort/sort.c')
| -rw-r--r-- | contrib/sort/sort.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/contrib/sort/sort.c b/contrib/sort/sort.c deleted file mode 100644 index 3f61406..0000000 --- a/contrib/sort/sort.c +++ /dev/null @@ -1,332 +0,0 @@ -/* $NetBSD: sort.c,v 1.27 2001/05/14 21:52:21 jdolecek Exp $ */ - -/*- - * Copyright (c) 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Peter McIlroy. - * - * 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 University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 REGENTS 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. - * - * $FreeBSD$ - */ - -/* Sort sorts a file using an optional user-defined key. - * Sort uses radix sort for internal sorting, and allows - * a choice of merge sort and radix sort for external sorting. - */ - -#include "sort.h" -#include "fsort.h" -#include "pathnames.h" - -#ifndef lint -__COPYRIGHT("@(#) Copyright (c) 1993 The Regents of the University of California. All rights reserved."); -#endif /* not lint */ - -#ifndef lint -__RCSID("$NetBSD: sort.c,v 1.27 2001/05/14 21:52:21 jdolecek Exp $"); -__SCCSID("@(#)sort.c 8.1 (Berkeley) 6/6/93"); -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/time.h> -#include <sys/resource.h> - -#include <paths.h> -#include <signal.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <locale.h> - -int REC_D = '\n'; -u_char d_mask[NBINS]; /* flags for rec_d, field_d, <blank> */ -/* - * weight tables. Gweights is one of ascii, Rascii.. - * modified to weight rec_d = 0 (or 255) - */ -u_char ascii[NBINS], Rascii[NBINS], RFtable[NBINS], Ftable[NBINS]; -int SINGL_FLD = 0, SEP_FLAG = 0, UNIQUE = 0; -struct coldesc clist[(ND+1)*2]; -int ncols = 0; -extern struct coldesc clist[(ND+1)*2]; -extern int ncols; - -/* - * Default to stable sort. - */ -int stable_sort = 1; - -char toutpath[MAXPATHLEN]; - -const char *tmpdir; /* where temporary files should be put */ - -static void cleanup __P((void)); -static void onsignal __P((int)); -static void usage __P((const char *)); -static void many_files __P((void)); - -int main __P((int argc, char **argv)); - -int -main(argc, argv) - int argc; - char *argv[]; -{ - get_func_t get; - int ch, i, stdinflag = 0, tmp = 0; - char cflag = 0, mflag = 0; - char *outfile, *outpath = 0; - struct field fldtab[ND+2], *ftpos; - struct filelist filelist; - FILE *outfp = NULL; - - setlocale(LC_ALL, ""); - - memset(fldtab, 0, (ND+2)*sizeof(struct field)); - memset(d_mask, 0, NBINS); - d_mask[REC_D] = REC_D_F; - d_mask['\t'] = d_mask[' '] = BLANK | FLD_D; - ftpos = fldtab; - many_files(); - - fixit(&argc, argv); - if (!(tmpdir = getenv("TMPDIR"))) - tmpdir = _PATH_TMP; - - while ((ch = getopt(argc, argv, "bcdfik:mHno:rR:sSt:T:ux")) != -1) { - switch (ch) { - case 'b': - fldtab->flags |= BI | BT; - break; - case 'c': - cflag = 1; - break; - case 'd': case 'f': case 'i': case 'n': case 'r': - tmp |= optval(ch, 0); - if ((tmp & R) && (tmp & F)) - fldtab->weights = RFtable; - else if (tmp & F) - fldtab->weights = Ftable; - else if (tmp & R) - fldtab->weights = Rascii; - fldtab->flags |= tmp; - break; - case 'H': - PANIC = 0; - break; - case 'k': - setfield(optarg, ++ftpos, fldtab->flags); - break; - case 'm': - mflag = 1; - break; - case 'o': - outpath = optarg; - break; - case 's': - /* for GNU sort compatibility (this is our default) */ - stable_sort = 1; - break; - case 'S': - stable_sort = 0; - break; - case 't': - if (SEP_FLAG) - usage("multiple field delimiters"); - SEP_FLAG = 1; - d_mask[' '] &= ~FLD_D; - d_mask['\t'] &= ~FLD_D; - d_mask[(u_char)*optarg] |= FLD_D; - if (d_mask[(u_char)*optarg] & REC_D_F) - errx(2, "record/field delimiter clash"); - break; - case 'R': - if (REC_D != '\n') - usage("multiple record delimiters"); - if ('\n' == (REC_D = (u_char)*optarg)) - break; - d_mask['\n'] = d_mask[' ']; - d_mask[REC_D] = REC_D_F; - break; - case 'T': - /* -T tmpdir */ - tmpdir = optarg; - break; - case 'u': - UNIQUE = 1; - break; - case '?': - default: - usage(NULL); - } - } - if (cflag && argc > optind+1) - errx(2, "too many input files for -c option"); - if (argc - 2 > optind && !strcmp(argv[argc-2], "-o")) { - outpath = argv[argc-1]; - argc -= 2; - } - if (mflag && argc - optind > (MAXFCT - (16+1))*16) - errx(2, "too many input files for -m option"); - for (i = optind; i < argc; i++) { - /* allow one occurrence of /dev/stdin */ - if (!strcmp(argv[i], "-") || !strcmp(argv[i], _PATH_STDIN)) { - if (stdinflag) - warnx("ignoring extra \"%s\" in file list", - argv[i]); - else - stdinflag = 1; - - /* change to /dev/stdin if '-' */ - if (argv[i][0] == '-') - argv[i] = _PATH_STDIN; - - } else if ((ch = access(argv[i], R_OK))) - err(2, "%s", argv[i]); - } - if (!(fldtab->flags & (I|D|N) || fldtab[1].icol.num)) { - SINGL_FLD = 1; - fldtab[0].icol.num = 1; - } else { - if (!fldtab[1].icol.num) { - fldtab[0].flags &= ~(BI|BT); - setfield("1", ++ftpos, fldtab->flags); - } - fldreset(fldtab); - fldtab[0].flags &= ~F; - } - settables(fldtab[0].flags); - num_init(); - fldtab->weights = gweights; - if (optind == argc) { - static const char * const names[] = { _PATH_STDIN, NULL }; - - filelist.names = names; - optind--; - } else - filelist.names = (const char * const *) &argv[optind]; - - if (SINGL_FLD) - get = makeline; - else - get = makekey; - - if (cflag) { - order(&filelist, get, fldtab); - /* NOT REACHED */ - } - if (!outpath) { - (void)snprintf(toutpath, - sizeof(toutpath), "%sstdout", _PATH_DEV); - outfile = outpath = toutpath; - outfp = stdout; - } else if (!(ch = access(outpath, 0)) && - strncmp(_PATH_DEV, outpath, 5)) { - static const struct sigaction act = - { { onsignal }, SA_RESTART | SA_RESETHAND, { { 0 } } }; - static const int sigtable[] = {SIGHUP, SIGINT, SIGPIPE, - SIGXCPU, SIGXFSZ, SIGVTALRM, SIGPROF, 0}; - int outfd; - errno = 0; - if (access(outpath, W_OK)) - err(2, "%s", outpath); - (void)snprintf(toutpath, sizeof(toutpath), "%sXXXXXX", - outpath); - if ((outfd = mkstemp(toutpath)) == -1) - err(2, "Cannot create temporary file `%s'", toutpath); - if ((outfp = fdopen(outfd, "w")) == NULL) - err(2, "Cannot open temporary file `%s'", toutpath); - outfile = toutpath; - (void)atexit(cleanup); - for (i = 0; sigtable[i]; ++i) /* always unlink toutpath */ - sigaction(sigtable[i], &act, 0); - } else - outfile = outpath; - - if (outfp == NULL && (outfp = fopen(outfile, "w")) == NULL) - err(2, "output file %s", outfile); - - if (mflag) { - fmerge(-1, 0, &filelist, argc-optind, get, outfp, putline, - fldtab); - } else - fsort(-1, 0, 0, &filelist, argc-optind, outfp, fldtab); - - if (outfile != outpath) { - if (access(outfile, 0)) - err(2, "%s", outfile); - (void)unlink(outpath); - if (link(outfile, outpath)) - err(2, "cannot link %s: output left in %s", - outpath, outfile); - (void)unlink(outfile); - } - exit(0); -} - -static void -onsignal(sig) - int sig; -{ - cleanup(); -} - -static void -cleanup() -{ - if (toutpath[0]) - (void)unlink(toutpath); -} - -static void -usage(msg) - const char *msg; -{ - if (msg != NULL) - (void)fprintf(stderr, "sort: %s\n", msg); - (void)fprintf(stderr, "usage: [-o output] [-cmubdfinrsS] [-t char] "); - (void)fprintf(stderr, "[-R char] [-k keydef] ... [files]\n"); - exit(2); -} - -static void -many_files() -{ -#if 0 - struct rlimit rlp_many_files[1]; - - if (getrlimit(RLIMIT_NOFILE, rlp_many_files) == 0) { - rlp_many_files->rlim_cur = rlp_many_files->rlim_max; - setrlimit(RLIMIT_NOFILE, rlp_many_files); - } -#endif -} |
