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author | charnier <charnier@FreeBSD.org> | 1997-07-18 06:40:46 +0000 |
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committer | charnier <charnier@FreeBSD.org> | 1997-07-18 06:40:46 +0000 |
commit | 41ee770120f51ad807dd8e622f2326f046604a13 (patch) | |
tree | 54e1e5e99c4dd4c017f4ae1b74d6190af2a11128 /usr.bin | |
parent | ae7f8b05ac1d993d275956b64b86064ad371f130 (diff) | |
download | FreeBSD-src-41ee770120f51ad807dd8e622f2326f046604a13.zip FreeBSD-src-41ee770120f51ad807dd8e622f2326f046604a13.tar.gz |
Use err(3). Mdoc'ify man page.
Diffstat (limited to 'usr.bin')
-rw-r--r-- | usr.bin/kzip/kzip.8 | 4 | ||||
-rw-r--r-- | usr.bin/kzip/kzip.c | 98 |
2 files changed, 44 insertions, 58 deletions
diff --git a/usr.bin/kzip/kzip.8 b/usr.bin/kzip/kzip.8 index 9989f1e..3d0e3ee 100644 --- a/usr.bin/kzip/kzip.8 +++ b/usr.bin/kzip/kzip.8 @@ -23,7 +23,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $Id$ +.\" $Id: kzip.8,v 1.3 1997/02/22 19:55:30 peter Exp $ .\" .Dd August 15, 1996 .Os @@ -32,7 +32,7 @@ .Nm kzip .Nd compresses kernels .Sh SYNOPSIS -.Nm kzip +.Nm .Op Fl v .Op Fl l Ar loadaddr .Sh DESCRIPTION diff --git a/usr.bin/kzip/kzip.c b/usr.bin/kzip/kzip.c index f4b9782..3bc3e0f 100644 --- a/usr.bin/kzip/kzip.c +++ b/usr.bin/kzip/kzip.c @@ -9,10 +9,14 @@ * Copyright (C) 1993 Hannu Savolainen * Ported to 386bsd by Serge Vakulenko * based on tools/build.c by Linus Torvalds - * $Id: kzip.c,v 1.8 1997/03/29 04:30:19 imp Exp $ - * */ +#ifndef lint +static const char rcsid[] = + "$Id$"; +#endif /* not lint */ + +#include <err.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> @@ -28,10 +32,10 @@ /* This is the limit because a kzip'ed kernel loads at 3Mb and * ends up at 1Mb */ -void -Usage(char *prog) +static void +usage() { - fprintf(stderr,"usage:\n\t%s [-v] [ -l loadaddr] kernel\n", prog); + fprintf(stderr, "usage: kzip [-v] [ -l loadaddr] kernel\n"); exit(1); } @@ -45,7 +49,7 @@ main(int argc, char **argv) struct exec hdr; int zip_size, offset; struct stat st; - u_long forceaddr = 0, addr, entry; + u_long forceaddr = 0, entry; char *kernname; char obj[BUFSIZ]; char out[BUFSIZ]; @@ -55,22 +59,19 @@ main(int argc, char **argv) switch (c) { case 'l': forceaddr = strtoul(optarg, NULL, 0); - if (forceaddr == 0) { - fprintf(stderr, "Invalid load address!\n"); - exit(1); - } + if (forceaddr == 0) + errx(1, "invalid load address"); break; case 'v': verbose++; break; default: - Usage(argv[0]); - break; + usage(); } } if ((argc - optind) != 1) - Usage(argv[0]); + usage(); argc -= optind; argv += optind; @@ -82,15 +83,13 @@ main(int argc, char **argv) fdi = open(kernname ,O_RDONLY); if(fdi<0) { - perror(kernname); + warn(kernname); return 2; } /* figure out how big the uncompressed image will be */ - if (read (fdi, (char *)&hdr, sizeof(hdr)) != sizeof(hdr)) { - perror(argv[1]); - exit(2); - } + if (read (fdi, (char *)&hdr, sizeof(hdr)) != sizeof(hdr)) + err(2, argv[1]); size = hdr.a_text + hdr.a_data + hdr.a_bss; entry = hdr.a_entry & 0x00FFFFFF; @@ -105,7 +104,7 @@ main(int argc, char **argv) fdo = open(obj,O_WRONLY|O_TRUNC|O_CREAT,0666); if(fdo<0) { - perror(obj); + warn(obj); return 2; } @@ -138,7 +137,7 @@ main(int argc, char **argv) } Ppiggy = fork(); - if (Ppiggy < 0) { perror("fork()"); return 1; } + if (Ppiggy < 0) { warn("fork()"); return 1; } if (!Ppiggy) { dup2(pipe2[0],0); dup2(fdo,1); @@ -154,10 +153,10 @@ main(int argc, char **argv) close(fdi); close(fdo); if (waitpid(Pext, &status,0) < 0) - { perror("waitpid(Pextract)"); return 1; } + { warn("waitpid(Pextract)"); return 1; } if(status) { - fprintf(stderr,"extract returned %x\n",status); + warnx("extract returned %x",status); return 3; } @@ -165,15 +164,15 @@ main(int argc, char **argv) { perror("waitpid(Pgzip)"); return 1; } if(status) { - fprintf(stderr,"gzip returned %x\n",status); + warnx("gzip returned %x",status); return 3; } if (waitpid(Ppiggy, &status,0) < 0) - { perror("waitpid(Ppiggy)"); return 1; } + { warn("waitpid(Ppiggy)"); return 1; } if(status) { - fprintf(stderr,"piggyback returned %x\n",status); + warnx("piggyback returned %x",status); return 3; } @@ -182,7 +181,7 @@ main(int argc, char **argv) else { /* a kludge to dynamically figure out where to start it */ if (stat (obj, &st) < 0) { - perror("cannot get size of compressed data"); + warn("cannot get size of compressed data"); return 3; } zip_size = (int)st.st_size; @@ -191,7 +190,7 @@ main(int argc, char **argv) sprintf(base, "0x%x", roundup(offset, 4096)); Pld = fork(); - if (Pld < 0) { perror("fork()"); return 1; } + if (Pld < 0) { warn("fork()"); return 1; } if (!Pld) { execlp("ld", "ld", @@ -209,10 +208,10 @@ main(int argc, char **argv) } if (waitpid(Pld, &status,0) < 0) - { perror("waitpid(Pld)"); return 1; } + { warn("waitpid(Pld)"); return 1; } if(status) { - fprintf(stderr,"ld returned %x\n",status); + warnx("ld returned %x",status); return 3; } @@ -220,13 +219,13 @@ main(int argc, char **argv) fdn = open(obj ,O_RDONLY); if(fdn<0) { - perror(obj); + warn(obj); return 3; } /* figure out how big the compressed image is */ if (read (fdn, (char *)&hdr, sizeof(hdr)) != sizeof(hdr)) { - perror(obj); + warn(obj); return 3; } close(fdn); @@ -248,19 +247,12 @@ extract (char *file) char buf[BUFSIZ]; struct exec hdr; - if (read (0, (char *)&hdr, sizeof(hdr)) != sizeof(hdr)) { - perror(file); - exit(2); - } - if (hdr.a_magic != ZMAGIC) { - fprintf(stderr,"Bad magic in file %s, probably not a kernel\n", - file); - exit(2); - } - if (lseek (0, N_TXTOFF(hdr), 0) < 0) { - perror(file); - exit(2); - } + if (read (0, (char *)&hdr, sizeof(hdr)) != sizeof(hdr)) + err(2, file); + if (hdr.a_magic != ZMAGIC) + errx(2, "bad magic in file %s, probably not a kernel", file); + if (lseek (0, N_TXTOFF(hdr), 0) < 0) + err(2, file); sz = N_SYMOFF (hdr) - N_TXTOFF (hdr); @@ -274,11 +266,9 @@ extract (char *file) n = read (0, buf, l); if (n != l) { if (n == -1) - perror (file); + err(1, file); else - fprintf (stderr, "Unexpected EOF\n"); - - exit(1); + errx(1, "unexpected EOF"); } write (1, buf, l); @@ -306,15 +296,11 @@ piggyback(char *file) while ((n = read (0, &image[len], sizeof(image)-len+1)) > 0) len += n; - if (n < 0) { - perror ("stdin"); - exit (1); - } + if (n < 0) + err(1, "stdin"); - if (len >= sizeof(image)) { - fprintf (stderr,"Input too large\n"); - exit (1); - } + if (len >= sizeof(image)) + errx(1, "input too large"); /* * Output object header |