Date: Sat, 14 Mar 2009 21:03:03 +0000 (UTC) From: Max Laier <mlaier@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r189831 - stable/7/usr.bin/du Message-ID: <200903142103.n2EL33ee008078@svn.freebsd.org>
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Author: mlaier Date: Sat Mar 14 21:03:03 2009 New Revision: 189831 URL: http://svn.freebsd.org/changeset/base/189831 Log: MFC: - r184733, r184742 Add -A and -B options - r184654, r184656 style(9) changes - r173387, r173431 (by kevlo) Check return value for setenv() In effect sync head and releng/7. Modified: stable/7/usr.bin/du/ (props changed) stable/7/usr.bin/du/du.1 stable/7/usr.bin/du/du.c Modified: stable/7/usr.bin/du/du.1 ============================================================================== --- stable/7/usr.bin/du/du.1 Sat Mar 14 20:40:06 2009 (r189830) +++ stable/7/usr.bin/du/du.1 Sat Mar 14 21:03:03 2009 (r189831) @@ -32,7 +32,7 @@ .\" @(#)du.1 8.2 (Berkeley) 4/1/94 .\" $FreeBSD$ .\" -.Dd February 25, 2008 +.Dd November 6, 2008 .Dt DU 1 .Os .Sh NAME @@ -40,11 +40,12 @@ .Nd display disk usage statistics .Sh SYNOPSIS .Nm +.Op Fl A .Op Fl H | L | P .Op Fl a | s | d Ar depth .Op Fl c .Op Fl l -.Op Fl h | k | m +.Op Fl h | k | m | B Ar blocksize .Op Fl n .Op Fl x .Op Fl I Ar mask @@ -60,6 +61,25 @@ the current directory is displayed. .Pp The options are as follows: .Bl -tag -width indent +.It Fl A +Display the apparent size instead of the disk usage. +This can be helpful when operating on compressed volumes or sparse files. +.It Fl B Ar blocksize +Calculate block counts in +.Ar blocksize +byte blocks. +This is different from the +.Fl k, m +options or setting +.Ev BLOCKSIZE +and gives an estimate of how much space the examined file hierachy would +require on a filesystem with the given +.Ar blocksize . +Unless in +.Fl A +mode, +.Ar blocksize +is rounded up to the next multiple of 512. .It Fl H Symbolic links on the command line are followed, symbolic links in file hierarchies are not followed. @@ -136,14 +156,19 @@ followed is not counted or displayed. If the environment variable .Ev BLOCKSIZE is set, and the -.Fl k -option is not specified, the block counts will be displayed in units of that -size block. +.Fl k, m +or +.Fl h +options are not specified, the block counts will be displayed in units of +that block size. If .Ev BLOCKSIZE is not set, and the -.Fl k -option is not specified, the block counts will be displayed in 512-byte blocks. +.Fl k, m +or +.Fl h +options are not specified, the block counts will be displayed in 512-byte +blocks. .El .Sh SEE ALSO .Xr df 1 , Modified: stable/7/usr.bin/du/du.c ============================================================================== --- stable/7/usr.bin/du/du.c Sat Mar 14 20:40:06 2009 (r189830) +++ stable/7/usr.bin/du/du.c Sat Mar 14 21:03:03 2009 (r189831) @@ -73,20 +73,21 @@ struct ignentry { static int linkchk(FTSENT *); static void usage(void); -void prthumanval(int64_t); -void ignoreadd(const char *); -void ignoreclean(void); -int ignorep(FTSENT *); - -int nodumpflag = 0; +static void prthumanval(int64_t); +static void ignoreadd(const char *); +static void ignoreclean(void); +static int ignorep(FTSENT *); + +static int nodumpflag = 0; +static int Aflag; +static long blocksize, cblocksize; int main(int argc, char *argv[]) { FTS *fts; FTSENT *p; - off_t savednumber = 0; - long blocksize; + off_t savednumber, curblocks; int ftsoptions; int listall; int depth; @@ -98,75 +99,91 @@ main(int argc, char *argv[]) setlocale(LC_ALL, ""); Hflag = Lflag = Pflag = aflag = sflag = dflag = cflag = hflag = - lflag = 0; + lflag = Aflag = 0; save = argv; ftsoptions = 0; + savednumber = 0; + cblocksize = DEV_BSIZE; + blocksize = 0; depth = INT_MAX; SLIST_INIT(&ignores); - while ((ch = getopt(argc, argv, "HI:LPasd:chklmnrx")) != -1) + while ((ch = getopt(argc, argv, "AB:HI:LPasd:chklmnrx")) != -1) switch (ch) { - case 'H': - Hflag = 1; - break; - case 'I': - ignoreadd(optarg); - break; - case 'L': - if (Pflag) - usage(); - Lflag = 1; - break; - case 'P': - if (Lflag) - usage(); - Pflag = 1; - break; - case 'a': - aflag = 1; - break; - case 's': - sflag = 1; - break; - case 'd': - dflag = 1; - errno = 0; - depth = atoi(optarg); - if (errno == ERANGE || depth < 0) { - warnx("invalid argument to option d: %s", optarg); - usage(); - } - break; - case 'c': - cflag = 1; - break; - case 'h': - setenv("BLOCKSIZE", "512", 1); - hflag = 1; - break; - case 'k': - hflag = 0; - setenv("BLOCKSIZE", "1024", 1); - break; - case 'l': - lflag = 1; - break; - case 'm': - hflag = 0; - setenv("BLOCKSIZE", "1048576", 1); - break; - case 'n': - nodumpflag = 1; - break; - case 'r': /* Compatibility. */ - break; - case 'x': - ftsoptions |= FTS_XDEV; - break; - case '?': - default: + case 'A': + Aflag = 1; + break; + case 'B': + errno = 0; + cblocksize = atoi(optarg); + if (errno == ERANGE || cblocksize <= 0) { + warnx("invalid argument to option B: %s", + optarg); + usage(); + } + break; + case 'H': + Hflag = 1; + break; + case 'I': + ignoreadd(optarg); + break; + case 'L': + if (Pflag) + usage(); + Lflag = 1; + break; + case 'P': + if (Lflag) usage(); + Pflag = 1; + break; + case 'a': + aflag = 1; + break; + case 's': + sflag = 1; + break; + case 'd': + dflag = 1; + errno = 0; + depth = atoi(optarg); + if (errno == ERANGE || depth < 0) { + warnx("invalid argument to option d: %s", + optarg); + usage(); + } + break; + case 'c': + cflag = 1; + break; + case 'h': + hflag = 1; + break; + case 'k': + hflag = 0; + blocksize = 1024; + break; + case 'l': + lflag = 1; + break; + case 'm': + hflag = 0; + blocksize = 1048576; + break; + case 'n': + nodumpflag = 1; + break; + case 'r': /* Compatibility. */ + break; + case 'x': + ftsoptions |= FTS_XDEV; + break; + case '?': + default: + usage(); + /* NOTREACHED */ } argc -= optind; @@ -200,6 +217,9 @@ main(int argc, char *argv[]) if (Pflag) ftsoptions |= FTS_PHYSICAL; + if (!Aflag && (cblocksize % DEV_BSIZE) != 0) + cblocksize = howmany(cblocksize, DEV_BSIZE) * DEV_BSIZE; + listall = 0; if (aflag) { @@ -218,8 +238,13 @@ main(int argc, char *argv[]) argv[1] = NULL; } - (void) getbsize(¬used, &blocksize); - blocksize /= 512; + if (blocksize == 0) + (void)getbsize(¬used, &blocksize); + + if (!Aflag) { + cblocksize /= DEV_BSIZE; + blocksize /= DEV_BSIZE; + } rval = 0; @@ -228,57 +253,65 @@ main(int argc, char *argv[]) while ((p = fts_read(fts)) != NULL) { switch (p->fts_info) { - case FTS_D: /* Ignore. */ - if (ignorep(p)) - fts_set(fts, p, FTS_SKIP); - break; - case FTS_DP: - if (ignorep(p)) - break; - - p->fts_parent->fts_bignum += - p->fts_bignum += p->fts_statp->st_blocks; - - if (p->fts_level <= depth) { - if (hflag) { - (void) prthumanval(howmany(p->fts_bignum, blocksize)); - (void) printf("\t%s\n", p->fts_path); - } else { - (void) printf("%jd\t%s\n", - (intmax_t)howmany(p->fts_bignum, blocksize), + case FTS_D: /* Ignore. */ + if (ignorep(p)) + fts_set(fts, p, FTS_SKIP); + break; + case FTS_DP: + if (ignorep(p)) + break; + + curblocks = Aflag ? + howmany(p->fts_statp->st_size, cblocksize) : + howmany(p->fts_statp->st_blocks, cblocksize); + p->fts_parent->fts_bignum += p->fts_bignum += + curblocks; + + if (p->fts_level <= depth) { + if (hflag) { + prthumanval(p->fts_bignum); + (void)printf("\t%s\n", p->fts_path); + } else { + (void)printf("%jd\t%s\n", + (intmax_t)howmany(p->fts_bignum * + cblocksize, blocksize), p->fts_path); - } } - break; - case FTS_DC: /* Ignore. */ - break; - case FTS_DNR: /* Warn, continue. */ - case FTS_ERR: - case FTS_NS: - warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); - rval = 1; - break; - default: - if (ignorep(p)) - break; - - if (lflag == 0 && - p->fts_statp->st_nlink > 1 && linkchk(p)) - break; - - if (listall || p->fts_level == 0) { - if (hflag) { - (void) prthumanval(howmany(p->fts_statp->st_blocks, - blocksize)); - (void) printf("\t%s\n", p->fts_path); - } else { - (void) printf("%jd\t%s\n", - (intmax_t)howmany(p->fts_statp->st_blocks, blocksize), - p->fts_path); - } + } + break; + case FTS_DC: /* Ignore. */ + break; + case FTS_DNR: /* Warn, continue. */ + case FTS_ERR: + case FTS_NS: + warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); + rval = 1; + break; + default: + if (ignorep(p)) + break; + + if (lflag == 0 && p->fts_statp->st_nlink > 1 && + linkchk(p)) + break; + + curblocks = Aflag ? + howmany(p->fts_statp->st_size, cblocksize) : + howmany(p->fts_statp->st_blocks, cblocksize); + + if (listall || p->fts_level == 0) { + if (hflag) { + prthumanval(curblocks); + (void)printf("\t%s\n", p->fts_path); + } else { + (void)printf("%jd\t%s\n", + (intmax_t)howmany(curblocks * + cblocksize, blocksize), + p->fts_path); } + } - p->fts_parent->fts_bignum += p->fts_statp->st_blocks; + p->fts_parent->fts_bignum += curblocks; } savednumber = p->fts_parent->fts_bignum; } @@ -288,10 +321,11 @@ main(int argc, char *argv[]) if (cflag) { if (hflag) { - (void) prthumanval(howmany(savednumber, blocksize)); - (void) printf("\ttotal\n"); + prthumanval(savednumber); + (void)printf("\ttotal\n"); } else { - (void) printf("%jd\ttotal\n", (intmax_t)howmany(savednumber, blocksize)); + (void)printf("%jd\ttotal\n", (intmax_t)howmany( + savednumber * cblocksize, blocksize)); } } @@ -344,7 +378,8 @@ linkchk(FTSENT *p) free_list = le->next; free(le); } - new_buckets = malloc(new_size * sizeof(new_buckets[0])); + new_buckets = malloc(new_size * + sizeof(new_buckets[0])); } if (new_buckets == NULL) { @@ -432,12 +467,14 @@ linkchk(FTSENT *p) return (0); } -void +static void prthumanval(int64_t bytes) { char buf[5]; - bytes *= DEV_BSIZE; + bytes *= cblocksize; + if (!Aflag) + bytes *= DEV_BSIZE; humanize_number(buf, sizeof(buf), bytes, "", HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); @@ -449,12 +486,13 @@ static void usage(void) { (void)fprintf(stderr, - "usage: du [-H | -L | -P] [-a | -s | -d depth] [-c] " - "[-l] [-h | -k | -m] [-n] [-x] [-I mask] [file ...]\n"); + "usage: du [-A] [-H | -L | -P] [-a | -s | -d depth] [-c] " + "[-l] [-h | -k | -m | -B bsize] [-n] [-x] [-I mask] " + "[file ...]\n"); exit(EX_USAGE); } -void +static void ignoreadd(const char *mask) { struct ignentry *ign; @@ -468,7 +506,7 @@ ignoreadd(const char *mask) SLIST_INSERT_HEAD(&ignores, ign, next); } -void +static void ignoreclean(void) { struct ignentry *ign; @@ -481,7 +519,7 @@ ignoreclean(void) } } -int +static int ignorep(FTSENT *ent) { struct ignentry *ign;
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