197952Sdougb/* 297952Sdougb * Copyright (c) 2002 The NetBSD Foundation, Inc. 397952Sdougb * All rights reserved. 497952Sdougb * 597952Sdougb * This code is derived from software contributed to The NetBSD Foundation 697952Sdougb * by Andrew Brown. 797952Sdougb * 897952Sdougb * Redistribution and use in source and binary forms, with or without 997952Sdougb * modification, are permitted provided that the following conditions 1097952Sdougb * are met: 1197952Sdougb * 1. Redistributions of source code must retain the above copyright 1297952Sdougb * notice, this list of conditions and the following disclaimer. 1397952Sdougb * 2. Redistributions in binary form must reproduce the above copyright 1497952Sdougb * notice, this list of conditions and the following disclaimer in the 1597952Sdougb * documentation and/or other materials provided with the distribution. 1697952Sdougb * 1797952Sdougb * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 1897952Sdougb * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 1997952Sdougb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2097952Sdougb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2197952Sdougb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2297952Sdougb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2397952Sdougb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2497952Sdougb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2597952Sdougb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2697952Sdougb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2797952Sdougb * POSSIBILITY OF SUCH DAMAGE. 2897952Sdougb */ 2997952Sdougb 30114924Sdougb#include <sys/cdefs.h> 31101773Sdougb#if 0 3297952Sdougb#ifndef lint 33218535Sdougb__RCSID("$NetBSD: stat.c,v 1.33 2011/01/15 22:54:10 njoly Exp $" 34216343Sdougb"$OpenBSD: stat.c,v 1.14 2009/06/24 09:44:25 sobrado Exp $"); 3597952Sdougb#endif 36101773Sdougb#endif 3797952Sdougb 38101773Sdougb__FBSDID("$FreeBSD$"); 39101773Sdougb 40120836Sdougb#if HAVE_CONFIG_H 41120836Sdougb#include "config.h" 42120836Sdougb#else /* HAVE_CONFIG_H */ 43120836Sdougb#define HAVE_STRUCT_STAT_ST_FLAGS 1 44120836Sdougb#define HAVE_STRUCT_STAT_ST_GEN 1 45120836Sdougb#define HAVE_STRUCT_STAT_ST_BIRTHTIME 1 46120836Sdougb#define HAVE_STRUCT_STAT_ST_MTIMENSEC 1 47120836Sdougb#define HAVE_DEVNAME 1 48120836Sdougb#endif /* HAVE_CONFIG_H */ 49120836Sdougb 50188498Sed#include <sys/param.h> 51101897Sdougb#include <sys/types.h> 5297952Sdougb#include <sys/stat.h> 53101773Sdougb 54101773Sdougb#include <ctype.h> 5597952Sdougb#include <err.h> 56216196Sdougb#include <errno.h> 57101773Sdougb#include <grp.h> 58101897Sdougb#include <limits.h> 59188498Sed#include <paths.h> 60101773Sdougb#include <pwd.h> 6197952Sdougb#include <stdio.h> 6297952Sdougb#include <stdlib.h> 63101773Sdougb#include <string.h> 64101773Sdougb#include <time.h> 65101773Sdougb#include <unistd.h> 6697952Sdougb 67120836Sdougb#if HAVE_STRUCT_STAT_ST_FLAGS 68120836Sdougb#define DEF_F "%#Xf " 69120836Sdougb#define RAW_F "%f " 70120836Sdougb#define SHELL_F " st_flags=%f" 71120836Sdougb#else /* HAVE_STRUCT_STAT_ST_FLAGS */ 72120836Sdougb#define DEF_F 73120836Sdougb#define RAW_F 74120836Sdougb#define SHELL_F 75120836Sdougb#endif /* HAVE_STRUCT_STAT_ST_FLAGS */ 76120836Sdougb 77120836Sdougb#if HAVE_STRUCT_STAT_ST_BIRTHTIME 78120836Sdougb#define DEF_B "\"%SB\" " 79120836Sdougb#define RAW_B "%B " 80120836Sdougb#define SHELL_B "st_birthtime=%B " 81120836Sdougb#else /* HAVE_STRUCT_STAT_ST_BIRTHTIME */ 82120836Sdougb#define DEF_B 83120836Sdougb#define RAW_B 84120836Sdougb#define SHELL_B 85120836Sdougb#endif /* HAVE_STRUCT_STAT_ST_BIRTHTIME */ 86120836Sdougb 87120836Sdougb#if HAVE_STRUCT_STAT_ST_ATIM 88120836Sdougb#define st_atimespec st_atim 89120836Sdougb#define st_ctimespec st_ctim 90120836Sdougb#define st_mtimespec st_mtim 91120836Sdougb#endif /* HAVE_STRUCT_STAT_ST_ATIM */ 92120836Sdougb 9397952Sdougb#define DEF_FORMAT \ 94120836Sdougb "%d %i %Sp %l %Su %Sg %r %z \"%Sa\" \"%Sm\" \"%Sc\" " DEF_B \ 95120836Sdougb "%k %b " DEF_F "%N" 96120836Sdougb#define RAW_FORMAT "%d %i %#p %l %u %g %r %z %a %m %c " RAW_B \ 97120836Sdougb "%k %b " RAW_F "%N" 9897952Sdougb#define LS_FORMAT "%Sp %l %Su %Sg %Z %Sm %N%SY" 9997952Sdougb#define LSF_FORMAT "%Sp %l %Su %Sg %Z %Sm %N%T%SY" 10097952Sdougb#define SHELL_FORMAT \ 10197952Sdougb "st_dev=%d st_ino=%i st_mode=%#p st_nlink=%l " \ 10297952Sdougb "st_uid=%u st_gid=%g st_rdev=%r st_size=%z " \ 103120836Sdougb "st_atime=%a st_mtime=%m st_ctime=%c " SHELL_B \ 104120836Sdougb "st_blksize=%k st_blocks=%b" SHELL_F 10597952Sdougb#define LINUX_FORMAT \ 10697952Sdougb " File: \"%N\"%n" \ 10797952Sdougb " Size: %-11z FileType: %HT%n" \ 108188481Smaxim " Mode: (%OMp%03OLp/%.10Sp) Uid: (%5u/%8Su) Gid: (%5g/%8Sg)%n" \ 10997952Sdougb "Device: %Hd,%Ld Inode: %i Links: %l%n" \ 11097952Sdougb "Access: %Sa%n" \ 11197952Sdougb "Modify: %Sm%n" \ 11297952Sdougb "Change: %Sc" 11397952Sdougb 11497952Sdougb#define TIME_FORMAT "%b %e %T %Y" 11597952Sdougb 11697952Sdougb#define FLAG_POUND 0x01 11797952Sdougb#define FLAG_SPACE 0x02 11897952Sdougb#define FLAG_PLUS 0x04 11997952Sdougb#define FLAG_ZERO 0x08 12097952Sdougb#define FLAG_MINUS 0x10 12197952Sdougb 12297952Sdougb/* 12397952Sdougb * These format characters must all be unique, except the magic one. 12497952Sdougb */ 12597952Sdougb#define FMT_MAGIC '%' 12697952Sdougb#define FMT_DOT '.' 12797952Sdougb 12897952Sdougb#define SIMPLE_NEWLINE 'n' 12997952Sdougb#define SIMPLE_TAB 't' 13097952Sdougb#define SIMPLE_PERCENT '%' 13197952Sdougb#define SIMPLE_NUMBER '@' 13297952Sdougb 13397952Sdougb#define FMT_POUND '#' 13497952Sdougb#define FMT_SPACE ' ' 13597952Sdougb#define FMT_PLUS '+' 13697952Sdougb#define FMT_ZERO '0' 13797952Sdougb#define FMT_MINUS '-' 13897952Sdougb 13997952Sdougb#define FMT_DECIMAL 'D' 14097952Sdougb#define FMT_OCTAL 'O' 14197952Sdougb#define FMT_UNSIGNED 'U' 14297952Sdougb#define FMT_HEX 'X' 14397952Sdougb#define FMT_FLOAT 'F' 14497952Sdougb#define FMT_STRING 'S' 14597952Sdougb 146101773Sdougb#define FMTF_DECIMAL 0x01 147101773Sdougb#define FMTF_OCTAL 0x02 148101773Sdougb#define FMTF_UNSIGNED 0x04 149101773Sdougb#define FMTF_HEX 0x08 150101773Sdougb#define FMTF_FLOAT 0x10 151101773Sdougb#define FMTF_STRING 0x20 152101773Sdougb 15397952Sdougb#define HIGH_PIECE 'H' 15497952Sdougb#define MIDDLE_PIECE 'M' 15597952Sdougb#define LOW_PIECE 'L' 15697952Sdougb 157216203Sdougb#define SHOW_realpath 'R' 15897952Sdougb#define SHOW_st_dev 'd' 15997952Sdougb#define SHOW_st_ino 'i' 16097952Sdougb#define SHOW_st_mode 'p' 16197952Sdougb#define SHOW_st_nlink 'l' 16297952Sdougb#define SHOW_st_uid 'u' 16397952Sdougb#define SHOW_st_gid 'g' 16497952Sdougb#define SHOW_st_rdev 'r' 16597952Sdougb#define SHOW_st_atime 'a' 16697952Sdougb#define SHOW_st_mtime 'm' 16797952Sdougb#define SHOW_st_ctime 'c' 168114924Sdougb#define SHOW_st_btime 'B' 16997952Sdougb#define SHOW_st_size 'z' 17097952Sdougb#define SHOW_st_blocks 'b' 17197952Sdougb#define SHOW_st_blksize 'k' 17297952Sdougb#define SHOW_st_flags 'f' 17397952Sdougb#define SHOW_st_gen 'v' 17497952Sdougb#define SHOW_symlink 'Y' 17597952Sdougb#define SHOW_filetype 'T' 17697952Sdougb#define SHOW_filename 'N' 17797952Sdougb#define SHOW_sizerdev 'Z' 17897952Sdougb 179101773Sdougbvoid usage(const char *); 18097952Sdougbvoid output(const struct stat *, const char *, 181216206Sdougb const char *, int, int); 18297952Sdougbint format1(const struct stat *, /* stat info */ 18397952Sdougb const char *, /* the file name */ 18497952Sdougb const char *, int, /* the format string itself */ 18597952Sdougb char *, size_t, /* a place to put the output */ 18697952Sdougb int, int, int, int, /* the parsed format */ 18797952Sdougb int, int); 188207153Sjilles#if HAVE_STRUCT_STAT_ST_FLAGS 189207153Sjilleschar *xfflagstostr(unsigned long); 190207153Sjilles#endif 19197952Sdougb 192241737Sedstatic const char *timefmt; 193241737Sedstatic int linkfail; 19497952Sdougb 195101773Sdougb#define addchar(s, c, nl) \ 19697952Sdougb do { \ 197101773Sdougb (void)fputc((c), (s)); \ 198101773Sdougb (*nl) = ((c) == '\n'); \ 19997952Sdougb } while (0/*CONSTCOND*/) 20097952Sdougb 20197952Sdougbint 20297952Sdougbmain(int argc, char *argv[]) 20397952Sdougb{ 20497952Sdougb struct stat st; 205101773Sdougb int ch, rc, errs, am_readlink; 206101773Sdougb int lsF, fmtchar, usestat, fn, nonl, quiet; 207216205Sdougb const char *statfmt, *options, *synopsis; 208188498Sed char dname[sizeof _PATH_DEV + SPECNAMELEN] = _PATH_DEV; 209188498Sed const char *file; 21097952Sdougb 211101773Sdougb am_readlink = 0; 21297952Sdougb lsF = 0; 21397952Sdougb fmtchar = '\0'; 21497952Sdougb usestat = 0; 21597952Sdougb nonl = 0; 216101773Sdougb quiet = 0; 217101773Sdougb linkfail = 0; 21897952Sdougb statfmt = NULL; 21997952Sdougb timefmt = NULL; 22097952Sdougb 221101773Sdougb if (strcmp(getprogname(), "readlink") == 0) { 222101773Sdougb am_readlink = 1; 223216203Sdougb options = "fn"; 224216203Sdougb synopsis = "[-fn] [file ...]"; 225101773Sdougb statfmt = "%Y"; 226101773Sdougb fmtchar = 'f'; 227101773Sdougb quiet = 1; 228101773Sdougb } else { 229101773Sdougb options = "f:FlLnqrst:x"; 230216343Sdougb synopsis = "[-FLnq] [-f format | -l | -r | -s | -x] " 231216343Sdougb "[-t timefmt] [file ...]"; 232101773Sdougb } 233101773Sdougb 234101773Sdougb while ((ch = getopt(argc, argv, options)) != -1) 23597952Sdougb switch (ch) { 23697952Sdougb case 'F': 23797952Sdougb lsF = 1; 23897952Sdougb break; 23997952Sdougb case 'L': 24097952Sdougb usestat = 1; 24197952Sdougb break; 24297952Sdougb case 'n': 24397952Sdougb nonl = 1; 24497952Sdougb break; 245101773Sdougb case 'q': 246101773Sdougb quiet = 1; 247101773Sdougb break; 24897952Sdougb case 'f': 249216203Sdougb if (am_readlink) { 250216203Sdougb statfmt = "%R"; 251216203Sdougb break; 252216203Sdougb } 25397952Sdougb statfmt = optarg; 25497952Sdougb /* FALLTHROUGH */ 25597952Sdougb case 'l': 25697952Sdougb case 'r': 25797952Sdougb case 's': 25897952Sdougb case 'x': 25997952Sdougb if (fmtchar != 0) 26097952Sdougb errx(1, "can't use format '%c' with '%c'", 26197952Sdougb fmtchar, ch); 26297952Sdougb fmtchar = ch; 26397952Sdougb break; 26497952Sdougb case 't': 26597952Sdougb timefmt = optarg; 26697952Sdougb break; 26797952Sdougb default: 268101773Sdougb usage(synopsis); 26997952Sdougb } 27097952Sdougb 27197952Sdougb argc -= optind; 27297952Sdougb argv += optind; 27397952Sdougb fn = 1; 27497952Sdougb 27597952Sdougb if (fmtchar == '\0') { 27697952Sdougb if (lsF) 27797952Sdougb fmtchar = 'l'; 27897952Sdougb else { 27997952Sdougb fmtchar = 'f'; 28097952Sdougb statfmt = DEF_FORMAT; 28197952Sdougb } 28297952Sdougb } 28397952Sdougb 28497952Sdougb if (lsF && fmtchar != 'l') 28597952Sdougb errx(1, "can't use format '%c' with -F", fmtchar); 28697952Sdougb 28797952Sdougb switch (fmtchar) { 28897952Sdougb case 'f': 28997952Sdougb /* statfmt already set */ 29097952Sdougb break; 29197952Sdougb case 'l': 29297952Sdougb statfmt = lsF ? LSF_FORMAT : LS_FORMAT; 29397952Sdougb break; 29497952Sdougb case 'r': 29597952Sdougb statfmt = RAW_FORMAT; 29697952Sdougb break; 29797952Sdougb case 's': 29897952Sdougb statfmt = SHELL_FORMAT; 29997952Sdougb break; 30097952Sdougb case 'x': 30197952Sdougb statfmt = LINUX_FORMAT; 30297952Sdougb if (timefmt == NULL) 30397952Sdougb timefmt = "%c"; 30497952Sdougb break; 30597952Sdougb default: 306101773Sdougb usage(synopsis); 30797952Sdougb /*NOTREACHED*/ 30897952Sdougb } 30997952Sdougb 31097952Sdougb if (timefmt == NULL) 31197952Sdougb timefmt = TIME_FORMAT; 31297952Sdougb 31397952Sdougb errs = 0; 31497952Sdougb do { 315188498Sed if (argc == 0) { 316188498Sed if (fdevname_r(STDIN_FILENO, dname + 317188498Sed sizeof _PATH_DEV - 1, SPECNAMELEN) != NULL) 318188498Sed file = dname; 319188498Sed else 320188498Sed file = "(stdin)"; 32197952Sdougb rc = fstat(STDIN_FILENO, &st); 322188498Sed } else { 323188498Sed file = argv[0]; 324216196Sdougb if (usestat) { 325216196Sdougb /* 326216196Sdougb * Try stat() and if it fails, fall back to 327216196Sdougb * lstat() just in case we're examining a 328216196Sdougb * broken symlink. 329216196Sdougb */ 330216196Sdougb if ((rc = stat(file, &st)) == -1 && 331216196Sdougb errno == ENOENT && 332216196Sdougb (rc = lstat(file, &st)) == -1) 333216196Sdougb errno = ENOENT; 334216196Sdougb } 335188498Sed else 336188498Sed rc = lstat(file, &st); 337188498Sed } 33897952Sdougb 33997952Sdougb if (rc == -1) { 34097952Sdougb errs = 1; 341101773Sdougb linkfail = 1; 342101773Sdougb if (!quiet) 343188498Sed warn("%s: stat", file); 34497952Sdougb } 34597952Sdougb else 346216206Sdougb output(&st, file, statfmt, fn, nonl); 34797952Sdougb 34897952Sdougb argv++; 34997952Sdougb argc--; 35097952Sdougb fn++; 35197952Sdougb } while (argc > 0); 35297952Sdougb 353101773Sdougb return (am_readlink ? linkfail : errs); 35497952Sdougb} 35597952Sdougb 356207153Sjilles#if HAVE_STRUCT_STAT_ST_FLAGS 357207153Sjilles/* 358207153Sjilles * fflagstostr() wrapper that leaks only once 359207153Sjilles */ 360207153Sjilleschar * 361207153Sjillesxfflagstostr(unsigned long fflags) 362207153Sjilles{ 363207153Sjilles static char *str = NULL; 364207153Sjilles 365207153Sjilles if (str != NULL) 366207153Sjilles free(str); 367207153Sjilles 368207153Sjilles str = fflagstostr(fflags); 369207153Sjilles if (str == NULL) 370207153Sjilles err(1, "fflagstostr"); 371207153Sjilles return (str); 372207153Sjilles} 373207153Sjilles#endif /* HAVE_STRUCT_STAT_ST_FLAGS */ 374207153Sjilles 37597952Sdougbvoid 376101773Sdougbusage(const char *synopsis) 37797952Sdougb{ 37897952Sdougb 379101773Sdougb (void)fprintf(stderr, "usage: %s %s\n", getprogname(), synopsis); 38097952Sdougb exit(1); 38197952Sdougb} 38297952Sdougb 38397952Sdougb/* 38497952Sdougb * Parses a format string. 38597952Sdougb */ 38697952Sdougbvoid 38797952Sdougboutput(const struct stat *st, const char *file, 388216206Sdougb const char *statfmt, int fn, int nonl) 38997952Sdougb{ 39097952Sdougb int flags, size, prec, ofmt, hilo, what; 391216202Sdougb char buf[PATH_MAX + 4 + 1]; 39297952Sdougb const char *subfmt; 39397952Sdougb int nl, t, i; 39497952Sdougb 395101773Sdougb nl = 1; 39697952Sdougb while (*statfmt != '\0') { 39797952Sdougb 39897952Sdougb /* 39997952Sdougb * Non-format characters go straight out. 40097952Sdougb */ 40197952Sdougb if (*statfmt != FMT_MAGIC) { 402101773Sdougb addchar(stdout, *statfmt, &nl); 40397952Sdougb statfmt++; 40497952Sdougb continue; 40597952Sdougb } 40697952Sdougb 40797952Sdougb /* 40897952Sdougb * The current format "substring" starts here, 40997952Sdougb * and then we skip the magic. 41097952Sdougb */ 41197952Sdougb subfmt = statfmt; 41297952Sdougb statfmt++; 41397952Sdougb 41497952Sdougb /* 41597952Sdougb * Some simple one-character "formats". 41697952Sdougb */ 41797952Sdougb switch (*statfmt) { 41897952Sdougb case SIMPLE_NEWLINE: 419101773Sdougb addchar(stdout, '\n', &nl); 42097952Sdougb statfmt++; 42197952Sdougb continue; 42297952Sdougb case SIMPLE_TAB: 423101773Sdougb addchar(stdout, '\t', &nl); 42497952Sdougb statfmt++; 42597952Sdougb continue; 42697952Sdougb case SIMPLE_PERCENT: 427101773Sdougb addchar(stdout, '%', &nl); 42897952Sdougb statfmt++; 42997952Sdougb continue; 43097952Sdougb case SIMPLE_NUMBER: { 43197952Sdougb char num[12], *p; 43297952Sdougb 43397952Sdougb snprintf(num, sizeof(num), "%d", fn); 43497952Sdougb for (p = &num[0]; *p; p++) 435101773Sdougb addchar(stdout, *p, &nl); 43697952Sdougb statfmt++; 43797952Sdougb continue; 43897952Sdougb } 43997952Sdougb } 44097952Sdougb 44197952Sdougb /* 44297952Sdougb * This must be an actual format string. Format strings are 44397952Sdougb * similar to printf(3) formats up to a point, and are of 44497952Sdougb * the form: 44597952Sdougb * 44697952Sdougb * % required start of format 44797952Sdougb * [-# +0] opt. format characters 44897952Sdougb * size opt. field width 44997952Sdougb * . opt. decimal separator, followed by 45097952Sdougb * prec opt. precision 45197952Sdougb * fmt opt. output specifier (string, numeric, etc.) 45297952Sdougb * sub opt. sub field specifier (high, middle, low) 45397952Sdougb * datum required field specifier (size, mode, etc) 45497952Sdougb * 45597952Sdougb * Only the % and the datum selector are required. All data 45697952Sdougb * have reasonable default output forms. The "sub" specifier 45797952Sdougb * only applies to certain data (mode, dev, rdev, filetype). 45897952Sdougb * The symlink output defaults to STRING, yet will only emit 45997952Sdougb * the leading " -> " if STRING is explicitly specified. The 46097952Sdougb * sizerdev datum will generate rdev output for character or 46197952Sdougb * block devices, and size output for all others. 46297952Sdougb */ 46397952Sdougb flags = 0; 46497952Sdougb do { 46597952Sdougb if (*statfmt == FMT_POUND) 46697952Sdougb flags |= FLAG_POUND; 46797952Sdougb else if (*statfmt == FMT_SPACE) 46897952Sdougb flags |= FLAG_SPACE; 46997952Sdougb else if (*statfmt == FMT_PLUS) 47097952Sdougb flags |= FLAG_PLUS; 47197952Sdougb else if (*statfmt == FMT_ZERO) 47297952Sdougb flags |= FLAG_ZERO; 47397952Sdougb else if (*statfmt == FMT_MINUS) 47497952Sdougb flags |= FLAG_MINUS; 47597952Sdougb else 47697952Sdougb break; 47797952Sdougb statfmt++; 47897952Sdougb } while (1/*CONSTCOND*/); 47997952Sdougb 48097952Sdougb size = -1; 48197952Sdougb if (isdigit((unsigned)*statfmt)) { 48297952Sdougb size = 0; 48397952Sdougb while (isdigit((unsigned)*statfmt)) { 48497952Sdougb size = (size * 10) + (*statfmt - '0'); 48597952Sdougb statfmt++; 48697952Sdougb if (size < 0) 48797952Sdougb goto badfmt; 48897952Sdougb } 48997952Sdougb } 49097952Sdougb 49197952Sdougb prec = -1; 49297952Sdougb if (*statfmt == FMT_DOT) { 49397952Sdougb statfmt++; 49497952Sdougb 49597952Sdougb prec = 0; 49697952Sdougb while (isdigit((unsigned)*statfmt)) { 49797952Sdougb prec = (prec * 10) + (*statfmt - '0'); 49897952Sdougb statfmt++; 49997952Sdougb if (prec < 0) 50097952Sdougb goto badfmt; 50197952Sdougb } 50297952Sdougb } 50397952Sdougb 504101773Sdougb#define fmtcase(x, y) case (y): (x) = (y); statfmt++; break 505101773Sdougb#define fmtcasef(x, y, z) case (y): (x) = (z); statfmt++; break 50697952Sdougb switch (*statfmt) { 507101773Sdougb fmtcasef(ofmt, FMT_DECIMAL, FMTF_DECIMAL); 508101773Sdougb fmtcasef(ofmt, FMT_OCTAL, FMTF_OCTAL); 509101773Sdougb fmtcasef(ofmt, FMT_UNSIGNED, FMTF_UNSIGNED); 510101773Sdougb fmtcasef(ofmt, FMT_HEX, FMTF_HEX); 511101773Sdougb fmtcasef(ofmt, FMT_FLOAT, FMTF_FLOAT); 512101773Sdougb fmtcasef(ofmt, FMT_STRING, FMTF_STRING); 51397952Sdougb default: 51497952Sdougb ofmt = 0; 51597952Sdougb break; 51697952Sdougb } 51797952Sdougb 51897952Sdougb switch (*statfmt) { 51997952Sdougb fmtcase(hilo, HIGH_PIECE); 52097952Sdougb fmtcase(hilo, MIDDLE_PIECE); 52197952Sdougb fmtcase(hilo, LOW_PIECE); 52297952Sdougb default: 52397952Sdougb hilo = 0; 52497952Sdougb break; 52597952Sdougb } 52697952Sdougb 52797952Sdougb switch (*statfmt) { 528216203Sdougb fmtcase(what, SHOW_realpath); 52997952Sdougb fmtcase(what, SHOW_st_dev); 53097952Sdougb fmtcase(what, SHOW_st_ino); 53197952Sdougb fmtcase(what, SHOW_st_mode); 53297952Sdougb fmtcase(what, SHOW_st_nlink); 53397952Sdougb fmtcase(what, SHOW_st_uid); 53497952Sdougb fmtcase(what, SHOW_st_gid); 53597952Sdougb fmtcase(what, SHOW_st_rdev); 53697952Sdougb fmtcase(what, SHOW_st_atime); 53797952Sdougb fmtcase(what, SHOW_st_mtime); 53897952Sdougb fmtcase(what, SHOW_st_ctime); 539114924Sdougb fmtcase(what, SHOW_st_btime); 54097952Sdougb fmtcase(what, SHOW_st_size); 54197952Sdougb fmtcase(what, SHOW_st_blocks); 54297952Sdougb fmtcase(what, SHOW_st_blksize); 54397952Sdougb fmtcase(what, SHOW_st_flags); 54497952Sdougb fmtcase(what, SHOW_st_gen); 54597952Sdougb fmtcase(what, SHOW_symlink); 54697952Sdougb fmtcase(what, SHOW_filetype); 54797952Sdougb fmtcase(what, SHOW_filename); 54897952Sdougb fmtcase(what, SHOW_sizerdev); 54997952Sdougb default: 55097952Sdougb goto badfmt; 55197952Sdougb } 552101773Sdougb#undef fmtcasef 55397952Sdougb#undef fmtcase 55497952Sdougb 55597952Sdougb t = format1(st, 55697952Sdougb file, 55797952Sdougb subfmt, statfmt - subfmt, 558101773Sdougb buf, sizeof(buf), 55997952Sdougb flags, size, prec, ofmt, hilo, what); 56097952Sdougb 561216205Sdougb for (i = 0; i < t && i < (int)(sizeof(buf) - 1); i++) 562101773Sdougb addchar(stdout, buf[i], &nl); 56397952Sdougb 56497952Sdougb continue; 56597952Sdougb 56697952Sdougb badfmt: 56797952Sdougb errx(1, "%.*s: bad format", 56897952Sdougb (int)(statfmt - subfmt + 1), subfmt); 56997952Sdougb } 57097952Sdougb 57197952Sdougb if (!nl && !nonl) 572101773Sdougb (void)fputc('\n', stdout); 573101773Sdougb (void)fflush(stdout); 57497952Sdougb} 57597952Sdougb 57697952Sdougb/* 57797952Sdougb * Arranges output according to a single parsed format substring. 57897952Sdougb */ 57997952Sdougbint 58097952Sdougbformat1(const struct stat *st, 58197952Sdougb const char *file, 58297952Sdougb const char *fmt, int flen, 58397952Sdougb char *buf, size_t blen, 58497952Sdougb int flags, int size, int prec, int ofmt, 58597952Sdougb int hilo, int what) 58697952Sdougb{ 58797952Sdougb u_int64_t data; 588216205Sdougb char *stmp, lfmt[24], tmp[20]; 589216205Sdougb const char *sdata; 590101773Sdougb char smode[12], sid[12], path[PATH_MAX + 4]; 59197952Sdougb struct passwd *pw; 59297952Sdougb struct group *gr; 59397952Sdougb const struct timespec *tsp; 59497952Sdougb struct timespec ts; 59597952Sdougb struct tm *tm; 59697952Sdougb int l, small, formats; 59797952Sdougb 59897952Sdougb tsp = NULL; 59997952Sdougb formats = 0; 60097952Sdougb small = 0; 60197952Sdougb 60297952Sdougb /* 60397952Sdougb * First, pick out the data and tweak it based on hilo or 60497952Sdougb * specified output format (symlink output only). 60597952Sdougb */ 60697952Sdougb switch (what) { 60797952Sdougb case SHOW_st_dev: 60897952Sdougb case SHOW_st_rdev: 60997952Sdougb small = (sizeof(st->st_dev) == 4); 61097952Sdougb data = (what == SHOW_st_dev) ? st->st_dev : st->st_rdev; 611120836Sdougb#if HAVE_DEVNAME 61297952Sdougb sdata = (what == SHOW_st_dev) ? 61397952Sdougb devname(st->st_dev, S_IFBLK) : 61497952Sdougb devname(st->st_rdev, 61597952Sdougb S_ISCHR(st->st_mode) ? S_IFCHR : 61697952Sdougb S_ISBLK(st->st_mode) ? S_IFBLK : 61797952Sdougb 0U); 61897952Sdougb if (sdata == NULL) 61997952Sdougb sdata = "???"; 620120836Sdougb#endif /* HAVE_DEVNAME */ 62197952Sdougb if (hilo == HIGH_PIECE) { 62297952Sdougb data = major(data); 62397952Sdougb hilo = 0; 62497952Sdougb } 62597952Sdougb else if (hilo == LOW_PIECE) { 62697952Sdougb data = minor((unsigned)data); 62797952Sdougb hilo = 0; 62897952Sdougb } 629101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX | 630120836Sdougb#if HAVE_DEVNAME 631101773Sdougb FMTF_STRING; 632120836Sdougb#else /* HAVE_DEVNAME */ 633120836Sdougb 0; 634120836Sdougb#endif /* HAVE_DEVNAME */ 63597952Sdougb if (ofmt == 0) 636101773Sdougb ofmt = FMTF_UNSIGNED; 63797952Sdougb break; 63897952Sdougb case SHOW_st_ino: 63997952Sdougb small = (sizeof(st->st_ino) == 4); 64097952Sdougb data = st->st_ino; 64197952Sdougb sdata = NULL; 642101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX; 64397952Sdougb if (ofmt == 0) 644101773Sdougb ofmt = FMTF_UNSIGNED; 64597952Sdougb break; 64697952Sdougb case SHOW_st_mode: 64797952Sdougb small = (sizeof(st->st_mode) == 4); 64897952Sdougb data = st->st_mode; 64997952Sdougb strmode(st->st_mode, smode); 650216205Sdougb stmp = smode; 651216205Sdougb l = strlen(stmp); 652216205Sdougb if (stmp[l - 1] == ' ') 653216205Sdougb stmp[--l] = '\0'; 65497952Sdougb if (hilo == HIGH_PIECE) { 65597952Sdougb data >>= 12; 656216205Sdougb stmp += 1; 657216205Sdougb stmp[3] = '\0'; 65897952Sdougb hilo = 0; 65997952Sdougb } 66097952Sdougb else if (hilo == MIDDLE_PIECE) { 66197952Sdougb data = (data >> 9) & 07; 662216205Sdougb stmp += 4; 663216205Sdougb stmp[3] = '\0'; 66497952Sdougb hilo = 0; 66597952Sdougb } 66697952Sdougb else if (hilo == LOW_PIECE) { 66797952Sdougb data &= 0777; 668216205Sdougb stmp += 7; 669216205Sdougb stmp[3] = '\0'; 67097952Sdougb hilo = 0; 67197952Sdougb } 672216205Sdougb sdata = stmp; 673101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX | 674101773Sdougb FMTF_STRING; 67597952Sdougb if (ofmt == 0) 676101773Sdougb ofmt = FMTF_OCTAL; 67797952Sdougb break; 67897952Sdougb case SHOW_st_nlink: 67997952Sdougb small = (sizeof(st->st_dev) == 4); 68097952Sdougb data = st->st_nlink; 68197952Sdougb sdata = NULL; 682101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX; 68397952Sdougb if (ofmt == 0) 684101773Sdougb ofmt = FMTF_UNSIGNED; 68597952Sdougb break; 68697952Sdougb case SHOW_st_uid: 68797952Sdougb small = (sizeof(st->st_uid) == 4); 68897952Sdougb data = st->st_uid; 68997952Sdougb if ((pw = getpwuid(st->st_uid)) != NULL) 69097952Sdougb sdata = pw->pw_name; 69197952Sdougb else { 69297952Sdougb snprintf(sid, sizeof(sid), "(%ld)", (long)st->st_uid); 69397952Sdougb sdata = sid; 69497952Sdougb } 695101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX | 696101773Sdougb FMTF_STRING; 69797952Sdougb if (ofmt == 0) 698101773Sdougb ofmt = FMTF_UNSIGNED; 69997952Sdougb break; 70097952Sdougb case SHOW_st_gid: 70197952Sdougb small = (sizeof(st->st_gid) == 4); 70297952Sdougb data = st->st_gid; 70397952Sdougb if ((gr = getgrgid(st->st_gid)) != NULL) 70497952Sdougb sdata = gr->gr_name; 70597952Sdougb else { 70697952Sdougb snprintf(sid, sizeof(sid), "(%ld)", (long)st->st_gid); 70797952Sdougb sdata = sid; 70897952Sdougb } 709101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX | 710101773Sdougb FMTF_STRING; 71197952Sdougb if (ofmt == 0) 712101773Sdougb ofmt = FMTF_UNSIGNED; 71397952Sdougb break; 71497952Sdougb case SHOW_st_atime: 71597952Sdougb tsp = &st->st_atimespec; 71697952Sdougb /* FALLTHROUGH */ 71797952Sdougb case SHOW_st_mtime: 71897952Sdougb if (tsp == NULL) 71997952Sdougb tsp = &st->st_mtimespec; 72097952Sdougb /* FALLTHROUGH */ 72197952Sdougb case SHOW_st_ctime: 72297952Sdougb if (tsp == NULL) 72397952Sdougb tsp = &st->st_ctimespec; 724114924Sdougb /* FALLTHROUGH */ 725120836Sdougb#if HAVE_STRUCT_STAT_ST_BIRTHTIME 726114924Sdougb case SHOW_st_btime: 727114924Sdougb if (tsp == NULL) 728114924Sdougb tsp = &st->st_birthtimespec; 729120836Sdougb#endif /* HAVE_STRUCT_STAT_ST_BIRTHTIME */ 73097952Sdougb ts = *tsp; /* copy so we can muck with it */ 73197952Sdougb small = (sizeof(ts.tv_sec) == 4); 73297952Sdougb data = ts.tv_sec; 73397952Sdougb tm = localtime(&ts.tv_sec); 734218535Sdougb if (tm == NULL) { 735218535Sdougb ts.tv_sec = 0; 736218535Sdougb tm = localtime(&ts.tv_sec); 737218535Sdougb } 73897952Sdougb (void)strftime(path, sizeof(path), timefmt, tm); 73997952Sdougb sdata = path; 740101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX | 741101773Sdougb FMTF_FLOAT | FMTF_STRING; 74297952Sdougb if (ofmt == 0) 743101773Sdougb ofmt = FMTF_DECIMAL; 74497952Sdougb break; 74597952Sdougb case SHOW_st_size: 74697952Sdougb small = (sizeof(st->st_size) == 4); 74797952Sdougb data = st->st_size; 74897952Sdougb sdata = NULL; 749101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX; 75097952Sdougb if (ofmt == 0) 751101773Sdougb ofmt = FMTF_UNSIGNED; 75297952Sdougb break; 75397952Sdougb case SHOW_st_blocks: 75497952Sdougb small = (sizeof(st->st_blocks) == 4); 75597952Sdougb data = st->st_blocks; 75697952Sdougb sdata = NULL; 757101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX; 75897952Sdougb if (ofmt == 0) 759101773Sdougb ofmt = FMTF_UNSIGNED; 76097952Sdougb break; 76197952Sdougb case SHOW_st_blksize: 76297952Sdougb small = (sizeof(st->st_blksize) == 4); 76397952Sdougb data = st->st_blksize; 76497952Sdougb sdata = NULL; 765101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX; 76697952Sdougb if (ofmt == 0) 767101773Sdougb ofmt = FMTF_UNSIGNED; 76897952Sdougb break; 769120836Sdougb#if HAVE_STRUCT_STAT_ST_FLAGS 77097952Sdougb case SHOW_st_flags: 77197952Sdougb small = (sizeof(st->st_flags) == 4); 77297952Sdougb data = st->st_flags; 773207153Sjilles sdata = xfflagstostr(st->st_flags); 774207153Sjilles if (*sdata == '\0') 775207153Sjilles sdata = "-"; 776207153Sjilles formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX | 777207153Sjilles FMTF_STRING; 77897952Sdougb if (ofmt == 0) 779101773Sdougb ofmt = FMTF_UNSIGNED; 78097952Sdougb break; 781120836Sdougb#endif /* HAVE_STRUCT_STAT_ST_FLAGS */ 782120836Sdougb#if HAVE_STRUCT_STAT_ST_GEN 78397952Sdougb case SHOW_st_gen: 78497952Sdougb small = (sizeof(st->st_gen) == 4); 78597952Sdougb data = st->st_gen; 78697952Sdougb sdata = NULL; 787101773Sdougb formats = FMTF_DECIMAL | FMTF_OCTAL | FMTF_UNSIGNED | FMTF_HEX; 78897952Sdougb if (ofmt == 0) 789101773Sdougb ofmt = FMTF_UNSIGNED; 79097952Sdougb break; 791120836Sdougb#endif /* HAVE_STRUCT_STAT_ST_GEN */ 792216203Sdougb case SHOW_realpath: 793216203Sdougb small = 0; 794216203Sdougb data = 0; 795216203Sdougb if (file == NULL) { 796216512Sdougb (void)strlcpy(path, "(stdin)", sizeof(path)); 797216203Sdougb sdata = path; 798216203Sdougb } else { 799216203Sdougb snprintf(path, sizeof(path), " -> "); 800216203Sdougb if (realpath(file, path + 4) == NULL) { 801216203Sdougb linkfail = 1; 802216203Sdougb l = 0; 803216203Sdougb path[0] = '\0'; 804216203Sdougb } 805216203Sdougb sdata = path + (ofmt == FMTF_STRING ? 0 : 4); 806216203Sdougb } 807216203Sdougb 808216203Sdougb formats = FMTF_STRING; 809216203Sdougb if (ofmt == 0) 810216203Sdougb ofmt = FMTF_STRING; 811216203Sdougb break; 81297952Sdougb case SHOW_symlink: 81397952Sdougb small = 0; 81497952Sdougb data = 0; 81597952Sdougb if (S_ISLNK(st->st_mode)) { 81697952Sdougb snprintf(path, sizeof(path), " -> "); 817105913Sdougb l = readlink(file, path + 4, sizeof(path) - 4 - 1); 81897952Sdougb if (l == -1) { 819101773Sdougb linkfail = 1; 82097952Sdougb l = 0; 82197952Sdougb path[0] = '\0'; 82297952Sdougb } 82397952Sdougb path[l + 4] = '\0'; 824101773Sdougb sdata = path + (ofmt == FMTF_STRING ? 0 : 4); 82597952Sdougb } 826101773Sdougb else { 827101773Sdougb linkfail = 1; 82897952Sdougb sdata = ""; 829101773Sdougb } 830101773Sdougb formats = FMTF_STRING; 83197952Sdougb if (ofmt == 0) 832101773Sdougb ofmt = FMTF_STRING; 83397952Sdougb break; 83497952Sdougb case SHOW_filetype: 83597952Sdougb small = 0; 83697952Sdougb data = 0; 837216205Sdougb sdata = ""; 83897952Sdougb if (hilo == 0 || hilo == LOW_PIECE) { 83997952Sdougb switch (st->st_mode & S_IFMT) { 840216205Sdougb case S_IFIFO: sdata = "|"; break; 841216205Sdougb case S_IFDIR: sdata = "/"; break; 84297952Sdougb case S_IFREG: 84397952Sdougb if (st->st_mode & 84497952Sdougb (S_IXUSR | S_IXGRP | S_IXOTH)) 845216205Sdougb sdata = "*"; 84697952Sdougb break; 847216205Sdougb case S_IFLNK: sdata = "@"; break; 848216205Sdougb case S_IFSOCK: sdata = "="; break; 849120836Sdougb#ifdef S_IFWHT 850216205Sdougb case S_IFWHT: sdata = "%"; break; 851120836Sdougb#endif /* S_IFWHT */ 852120836Sdougb#ifdef S_IFDOOR 853216205Sdougb case S_IFDOOR: sdata = ">"; break; 854120836Sdougb#endif /* S_IFDOOR */ 85597952Sdougb } 85697952Sdougb hilo = 0; 85797952Sdougb } 85897952Sdougb else if (hilo == HIGH_PIECE) { 85997952Sdougb switch (st->st_mode & S_IFMT) { 86097952Sdougb case S_IFIFO: sdata = "Fifo File"; break; 86197952Sdougb case S_IFCHR: sdata = "Character Device"; break; 86297952Sdougb case S_IFDIR: sdata = "Directory"; break; 86397952Sdougb case S_IFBLK: sdata = "Block Device"; break; 86497952Sdougb case S_IFREG: sdata = "Regular File"; break; 86597952Sdougb case S_IFLNK: sdata = "Symbolic Link"; break; 86697952Sdougb case S_IFSOCK: sdata = "Socket"; break; 867120836Sdougb#ifdef S_IFWHT 86897952Sdougb case S_IFWHT: sdata = "Whiteout File"; break; 869120836Sdougb#endif /* S_IFWHT */ 870120836Sdougb#ifdef S_IFDOOR 871120836Sdougb case S_IFDOOR: sdata = "Door"; break; 872120836Sdougb#endif /* S_IFDOOR */ 87397952Sdougb default: sdata = "???"; break; 87497952Sdougb } 87597952Sdougb hilo = 0; 87697952Sdougb } 877101773Sdougb formats = FMTF_STRING; 87897952Sdougb if (ofmt == 0) 879101773Sdougb ofmt = FMTF_STRING; 88097952Sdougb break; 88197952Sdougb case SHOW_filename: 88297952Sdougb small = 0; 88397952Sdougb data = 0; 884216512Sdougb (void)strlcpy(path, file, sizeof(path)); 88597952Sdougb sdata = path; 886101773Sdougb formats = FMTF_STRING; 88797952Sdougb if (ofmt == 0) 888101773Sdougb ofmt = FMTF_STRING; 88997952Sdougb break; 89097952Sdougb case SHOW_sizerdev: 89197952Sdougb if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) { 89297952Sdougb char majdev[20], mindev[20]; 89397952Sdougb int l1, l2; 89497952Sdougb 89597952Sdougb l1 = format1(st, 89697952Sdougb file, 89797952Sdougb fmt, flen, 89897952Sdougb majdev, sizeof(majdev), 89997952Sdougb flags, size, prec, 90097952Sdougb ofmt, HIGH_PIECE, SHOW_st_rdev); 90197952Sdougb l2 = format1(st, 90297952Sdougb file, 90397952Sdougb fmt, flen, 90497952Sdougb mindev, sizeof(mindev), 90597952Sdougb flags, size, prec, 90697952Sdougb ofmt, LOW_PIECE, SHOW_st_rdev); 90797952Sdougb return (snprintf(buf, blen, "%.*s,%.*s", 90897952Sdougb l1, majdev, l2, mindev)); 90997952Sdougb } 91097952Sdougb else { 91197952Sdougb return (format1(st, 91297952Sdougb file, 91397952Sdougb fmt, flen, 91497952Sdougb buf, blen, 91597952Sdougb flags, size, prec, 91697952Sdougb ofmt, 0, SHOW_st_size)); 91797952Sdougb } 91897952Sdougb /*NOTREACHED*/ 91997952Sdougb default: 92097952Sdougb errx(1, "%.*s: bad format", (int)flen, fmt); 92197952Sdougb } 92297952Sdougb 92397952Sdougb /* 92497952Sdougb * If a subdatum was specified but not supported, or an output 92597952Sdougb * format was selected that is not supported, that's an error. 92697952Sdougb */ 92797952Sdougb if (hilo != 0 || (ofmt & formats) == 0) 92897952Sdougb errx(1, "%.*s: bad format", (int)flen, fmt); 92997952Sdougb 93097952Sdougb /* 93197952Sdougb * Assemble the format string for passing to printf(3). 93297952Sdougb */ 93397952Sdougb lfmt[0] = '\0'; 93497952Sdougb (void)strcat(lfmt, "%"); 93597952Sdougb if (flags & FLAG_POUND) 93697952Sdougb (void)strcat(lfmt, "#"); 93797952Sdougb if (flags & FLAG_SPACE) 93897952Sdougb (void)strcat(lfmt, " "); 93997952Sdougb if (flags & FLAG_PLUS) 94097952Sdougb (void)strcat(lfmt, "+"); 94197952Sdougb if (flags & FLAG_MINUS) 94297952Sdougb (void)strcat(lfmt, "-"); 94397952Sdougb if (flags & FLAG_ZERO) 94497952Sdougb (void)strcat(lfmt, "0"); 94597952Sdougb 94697952Sdougb /* 94797952Sdougb * Only the timespecs support the FLOAT output format, and that 94897952Sdougb * requires work that differs from the other formats. 94997952Sdougb */ 950101773Sdougb if (ofmt == FMTF_FLOAT) { 95197952Sdougb /* 95297952Sdougb * Nothing after the decimal point, so just print seconds. 95397952Sdougb */ 95497952Sdougb if (prec == 0) { 95597952Sdougb if (size != -1) { 95697952Sdougb (void)snprintf(tmp, sizeof(tmp), "%d", size); 95797952Sdougb (void)strcat(lfmt, tmp); 95897952Sdougb } 959216207Sdougb (void)strcat(lfmt, "lld"); 960216207Sdougb return (snprintf(buf, blen, lfmt, 961216207Sdougb (long long)ts.tv_sec)); 96297952Sdougb } 96397952Sdougb 96497952Sdougb /* 96597952Sdougb * Unspecified precision gets all the precision we have: 96697952Sdougb * 9 digits. 96797952Sdougb */ 96897952Sdougb if (prec == -1) 96997952Sdougb prec = 9; 97097952Sdougb 97197952Sdougb /* 97297952Sdougb * Adjust the size for the decimal point and the digits 97397952Sdougb * that will follow. 97497952Sdougb */ 97597952Sdougb size -= prec + 1; 97697952Sdougb 97797952Sdougb /* 97897952Sdougb * Any leftover size that's legitimate will be used. 97997952Sdougb */ 98097952Sdougb if (size > 0) { 98197952Sdougb (void)snprintf(tmp, sizeof(tmp), "%d", size); 98297952Sdougb (void)strcat(lfmt, tmp); 98397952Sdougb } 984216207Sdougb /* Seconds: time_t cast to long long. */ 985216207Sdougb (void)strcat(lfmt, "lld"); 98697952Sdougb 98797952Sdougb /* 98897952Sdougb * The stuff after the decimal point always needs zero 98997952Sdougb * filling. 99097952Sdougb */ 99197952Sdougb (void)strcat(lfmt, ".%0"); 99297952Sdougb 99397952Sdougb /* 99497952Sdougb * We can "print" at most nine digits of precision. The 99597952Sdougb * rest we will pad on at the end. 996216207Sdougb * 997216207Sdougb * Nanoseconds: long. 99897952Sdougb */ 999216207Sdougb (void)snprintf(tmp, sizeof(tmp), "%dld", prec > 9 ? 9 : prec); 100097952Sdougb (void)strcat(lfmt, tmp); 100197952Sdougb 100297952Sdougb /* 100397952Sdougb * For precision of less that nine digits, trim off the 100497952Sdougb * less significant figures. 100597952Sdougb */ 100697952Sdougb for (; prec < 9; prec++) 100797952Sdougb ts.tv_nsec /= 10; 100897952Sdougb 100997952Sdougb /* 101097952Sdougb * Use the format, and then tack on any zeroes that 101197952Sdougb * might be required to make up the requested precision. 101297952Sdougb */ 1013216207Sdougb l = snprintf(buf, blen, lfmt, (long long)ts.tv_sec, ts.tv_nsec); 1014216205Sdougb for (; prec > 9 && l < (int)blen; prec--, l++) 101597952Sdougb (void)strcat(buf, "0"); 101697952Sdougb return (l); 101797952Sdougb } 101897952Sdougb 101997952Sdougb /* 102097952Sdougb * Add on size and precision, if specified, to the format. 102197952Sdougb */ 102297952Sdougb if (size != -1) { 102397952Sdougb (void)snprintf(tmp, sizeof(tmp), "%d", size); 102497952Sdougb (void)strcat(lfmt, tmp); 102597952Sdougb } 102697952Sdougb if (prec != -1) { 102797952Sdougb (void)snprintf(tmp, sizeof(tmp), ".%d", prec); 102897952Sdougb (void)strcat(lfmt, tmp); 102997952Sdougb } 103097952Sdougb 103197952Sdougb /* 103297952Sdougb * String output uses the temporary sdata. 103397952Sdougb */ 1034101773Sdougb if (ofmt == FMTF_STRING) { 103597952Sdougb if (sdata == NULL) 103697952Sdougb errx(1, "%.*s: bad format", (int)flen, fmt); 103797952Sdougb (void)strcat(lfmt, "s"); 103897952Sdougb return (snprintf(buf, blen, lfmt, sdata)); 103997952Sdougb } 104097952Sdougb 104197952Sdougb /* 104297952Sdougb * Ensure that sign extension does not cause bad looking output 104397952Sdougb * for some forms. 104497952Sdougb */ 1045101773Sdougb if (small && ofmt != FMTF_DECIMAL) 104697952Sdougb data = (u_int32_t)data; 104797952Sdougb 104897952Sdougb /* 104997952Sdougb * The four "numeric" output forms. 105097952Sdougb */ 105197952Sdougb (void)strcat(lfmt, "ll"); 105297952Sdougb switch (ofmt) { 1053101773Sdougb case FMTF_DECIMAL: (void)strcat(lfmt, "d"); break; 1054101773Sdougb case FMTF_OCTAL: (void)strcat(lfmt, "o"); break; 1055101773Sdougb case FMTF_UNSIGNED: (void)strcat(lfmt, "u"); break; 1056101773Sdougb case FMTF_HEX: (void)strcat(lfmt, "x"); break; 105797952Sdougb } 105897952Sdougb 105997952Sdougb return (snprintf(buf, blen, lfmt, data)); 106097952Sdougb} 1061