diff options
author | Todd C. Miller <millert@cvs.openbsd.org> | 1997-06-16 02:21:58 +0000 |
---|---|---|
committer | Todd C. Miller <millert@cvs.openbsd.org> | 1997-06-16 02:21:58 +0000 |
commit | e42347284e21c5295f7de3e91e5b198b3e150d95 (patch) | |
tree | 89c046acc116287da755367e61a31045dded1494 /usr.bin/sort/sort.c | |
parent | fe86e3771c413df8eecb39530c3a1412236d67e9 (diff) |
Cosmetic cleanup, mostly KNF.
Diffstat (limited to 'usr.bin/sort/sort.c')
-rw-r--r-- | usr.bin/sort/sort.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/usr.bin/sort/sort.c b/usr.bin/sort/sort.c index 1df1d5f8688..32cf7873fc2 100644 --- a/usr.bin/sort/sort.c +++ b/usr.bin/sort/sort.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sort.c,v 1.3 1997/01/26 00:02:25 deraadt Exp $ */ +/* $OpenBSD: sort.c,v 1.4 1997/06/16 02:21:56 millert Exp $ */ /*- * Copyright (c) 1993 @@ -46,11 +46,12 @@ static char copyright[] = #if 0 static char sccsid[] = "@(#)sort.c 8.1 (Berkeley) 6/6/93"; #else -static char rcsid[] = "$OpenBSD: sort.c,v 1.3 1997/01/26 00:02:25 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: sort.c,v 1.4 1997/06/16 02:21:56 millert Exp $"; #endif #endif /* not lint */ -/* Sort sorts a file using an optional user-defined key. +/* + * Sort sorts a file using an optional user-defined key. * Sort uses radix sort for internal sorting, and allows * a choice of merge sort and radix sort for external sorting. */ @@ -67,12 +68,14 @@ static char rcsid[] = "$OpenBSD: sort.c,v 1.3 1997/01/26 00:02:25 deraadt Exp $" 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) */ extern u_char gweights[NBINS]; u_char ascii[NBINS], Rascii[NBINS], RFtable[NBINS], Ftable[NBINS]; + /* * masks of ignored characters. Alltable is 256 ones */ @@ -96,8 +99,6 @@ main(argc, argv) int argc; char *argv[]; { - extern int optind; - extern char *optarg; int (*get)(); int ch, i, stdinflag = 0, tmp = 0; char cflag = 0, mflag = 0, nflag = 0; @@ -105,6 +106,7 @@ main(argc, argv) struct field fldtab[ND+2], *ftpos; union f_handle filelist; FILE *outfp = NULL; + memset(fldtab, 0, (ND+2)*sizeof(struct field)); memset(d_mask, 0, NBINS); d_mask[REC_D = '\n'] = REC_D_F; @@ -115,18 +117,18 @@ main(argc, argv) if (!issetugid() && (outfile = getenv("TMPDIR"))) tmpdir = outfile; while ((ch = getopt(argc, argv, "bcdfik:mHno:rR:t:T:uy:")) != -1) { - switch (ch) { + switch (ch) { case 'b': fldtab->flags |= BI | BT; break; case 'd': - case 'i': case 'f': + case 'i': 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) + else if (tmp & R) fldtab->weights = Rascii; fldtab->flags |= tmp; break; @@ -134,6 +136,7 @@ main(argc, argv) outpath = optarg; break; case 'n': + /* XXX - this does not deal with -n in with -k */ nflag = 1; setfield("1n", ++ftpos, fldtab->flags&(~R)); break; @@ -180,14 +183,18 @@ main(argc, argv) default: usage(""); } } + 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], devstdin)) { @@ -201,6 +208,7 @@ main(argc, argv) } else if ((ch = access(argv[i], R_OK))) err(2, argv[i]); } + if (!(fldtab->flags & (I|D) || fldtab[1].icol.num)) { SINGL_FLD = 1; fldtab[0].icol.num = 1; @@ -217,6 +225,7 @@ main(argc, argv) settables(fldtab[0].flags); num_init(); fldtab->weights = gweights; + if (optind == argc) { static char *names[2]; @@ -226,14 +235,17 @@ main(argc, argv) optind--; } else filelist.names = 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); @@ -244,15 +256,19 @@ main(argc, argv) int sigtable[] = {SIGHUP, SIGINT, SIGPIPE, SIGXCPU, SIGXFSZ, SIGVTALRM, SIGPROF, 0}; int outfd; + errno = 0; + if (access(outpath, W_OK)) err(2, outpath); act.sa_handler = onsig; - (void)snprintf(toutpath, sizeof(toutpath), "%sXXXX", outpath); + (void)snprintf(toutpath, sizeof(toutpath), "%sXXXXXXXXXX", + outpath); if ((outfd = mkstemp(toutpath)) < 0 || (outfp = fdopen(outfd, "w")) == 0) err(2, toutpath); outfile = toutpath; + (void)atexit(cleanup); for (i = 0; sigtable[i]; ++i) /* always unlink toutpath */ sigaction(sigtable[i], &act, 0); @@ -280,6 +296,7 @@ static void onsig(s) int s; { + cleanup(); exit(2); /* return 2 on error/interrupt */ } @@ -287,6 +304,7 @@ onsig(s) static void cleanup() { + if (toutpath[0]) (void)unlink(toutpath); } @@ -295,6 +313,7 @@ static void usage(msg) char *msg; { + if (msg) (void)fprintf(stderr, "sort: %s\n", msg); (void)fprintf(stderr, "usage: [-T dir] [-o output] [-cmubdfinr] "); |