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https://github.com/freebsd/freebsd-src
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bspatch: apply style(9)
Make style changes (and trivial refactoring of open calls) now in order to reduce noise in diffs for future capsicum changes. Reviewed by: oshogbo No objection: cperciva Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D7610
This commit is contained in:
parent
e0a66c6379
commit
ce437beff1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=304691
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@ -28,12 +28,12 @@
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__FBSDID("$FreeBSD$");
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__FBSDID("$FreeBSD$");
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#include <bzlib.h>
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#include <bzlib.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <err.h>
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#include <err.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#ifndef O_BINARY
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#ifndef O_BINARY
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#define O_BINARY 0
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#define O_BINARY 0
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@ -43,18 +43,19 @@ static off_t offtin(u_char *buf)
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{
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{
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off_t y;
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off_t y;
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y=buf[7]&0x7F;
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y = buf[7] & 0x7F;
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y=y*256;y+=buf[6];
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y = y * 256; y += buf[6];
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y=y*256;y+=buf[5];
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y = y * 256; y += buf[5];
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y=y*256;y+=buf[4];
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y = y * 256; y += buf[4];
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y=y*256;y+=buf[3];
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y = y * 256; y += buf[3];
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y=y*256;y+=buf[2];
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y = y * 256; y += buf[2];
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y=y*256;y+=buf[1];
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y = y * 256; y += buf[1];
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y=y*256;y+=buf[0];
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y = y * 256; y += buf[0];
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if(buf[7]&0x80) y=-y;
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if (buf[7] & 0x80)
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y = -y;
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return y;
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return (y);
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}
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}
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static void
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static void
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@ -65,17 +66,17 @@ usage(void)
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exit(1);
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exit(1);
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}
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}
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int main(int argc,char * argv[])
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int main(int argc, char *argv[])
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{
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{
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FILE * f, * cpf, * dpf, * epf;
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FILE *f, *cpf, *dpf, *epf;
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BZFILE * cpfbz2, * dpfbz2, * epfbz2;
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BZFILE *cpfbz2, *dpfbz2, *epfbz2;
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int cbz2err, dbz2err, ebz2err;
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int cbz2err, dbz2err, ebz2err;
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int fd;
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int newfd, oldfd;
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ssize_t oldsize,newsize;
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ssize_t oldsize, newsize;
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ssize_t bzctrllen,bzdatalen;
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ssize_t bzctrllen, bzdatalen;
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u_char header[32],buf[8];
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u_char header[32], buf[8];
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u_char *old, *new;
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u_char *old, *new;
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off_t oldpos,newpos;
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off_t oldpos, newpos;
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off_t ctrl[3];
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off_t ctrl[3];
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off_t lenread;
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off_t lenread;
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off_t i;
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off_t i;
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@ -113,11 +114,11 @@ int main(int argc,char * argv[])
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errx(1, "Corrupt patch\n");
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errx(1, "Corrupt patch\n");
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/* Read lengths from header */
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/* Read lengths from header */
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bzctrllen=offtin(header+8);
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bzctrllen = offtin(header + 8);
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bzdatalen=offtin(header+16);
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bzdatalen = offtin(header + 16);
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newsize=offtin(header+24);
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newsize = offtin(header + 24);
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if((bzctrllen<0) || (bzdatalen<0) || (newsize<0))
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if ((bzctrllen < 0) || (bzdatalen < 0) || (newsize < 0))
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errx(1,"Corrupt patch\n");
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errx(1, "Corrupt patch\n");
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/* Close patch file and re-open it via libbzip2 at the right places */
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/* Close patch file and re-open it via libbzip2 at the right places */
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if (fclose(f))
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if (fclose(f))
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@ -144,32 +145,37 @@ int main(int argc,char * argv[])
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if ((epfbz2 = BZ2_bzReadOpen(&ebz2err, epf, 0, 0, NULL, 0)) == NULL)
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if ((epfbz2 = BZ2_bzReadOpen(&ebz2err, epf, 0, 0, NULL, 0)) == NULL)
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errx(1, "BZ2_bzReadOpen, bz2err = %d", ebz2err);
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errx(1, "BZ2_bzReadOpen, bz2err = %d", ebz2err);
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if(((fd=open(argv[1],O_RDONLY|O_BINARY,0))<0) ||
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oldfd = open(argv[1], O_RDONLY | O_BINARY, 0);
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((oldsize=lseek(fd,0,SEEK_END))==-1) ||
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if (oldfd < 0)
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((old=malloc(oldsize+1))==NULL) ||
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err(1, "%s", argv[1]);
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(lseek(fd,0,SEEK_SET)!=0) ||
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if ((oldsize = lseek(oldfd, 0, SEEK_END)) == -1 ||
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(read(fd,old,oldsize)!=oldsize) ||
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(old = malloc(oldsize+1)) == NULL ||
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(close(fd)==-1)) err(1,"%s",argv[1]);
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lseek(oldfd, 0, SEEK_SET) != 0 ||
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if((new=malloc(newsize+1))==NULL) err(1,NULL);
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read(oldfd, old, oldsize) != oldsize ||
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close(oldfd) == -1)
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err(1, "%s", argv[1]);
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if ((new = malloc(newsize + 1)) == NULL)
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err(1, NULL);
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oldpos=0;newpos=0;
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oldpos = 0;
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while(newpos<newsize) {
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newpos = 0;
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while (newpos < newsize) {
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/* Read control data */
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/* Read control data */
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for(i=0;i<=2;i++) {
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for (i = 0; i <= 2; i++) {
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lenread = BZ2_bzRead(&cbz2err, cpfbz2, buf, 8);
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lenread = BZ2_bzRead(&cbz2err, cpfbz2, buf, 8);
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if ((lenread < 8) || ((cbz2err != BZ_OK) &&
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if ((lenread < 8) || ((cbz2err != BZ_OK) &&
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(cbz2err != BZ_STREAM_END)))
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(cbz2err != BZ_STREAM_END)))
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errx(1, "Corrupt patch\n");
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errx(1, "Corrupt patch\n");
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ctrl[i]=offtin(buf);
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ctrl[i] = offtin(buf);
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}
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}
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/* Sanity-check */
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/* Sanity-check */
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if ((ctrl[0] < 0) || (ctrl[1] < 0))
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if ((ctrl[0] < 0) || (ctrl[1] < 0))
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errx(1,"Corrupt patch\n");
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errx(1, "Corrupt patch\n");
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/* Sanity-check */
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/* Sanity-check */
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if(newpos+ctrl[0]>newsize)
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if (newpos + ctrl[0] > newsize)
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errx(1,"Corrupt patch\n");
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errx(1, "Corrupt patch\n");
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/* Read diff string */
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/* Read diff string */
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lenread = BZ2_bzRead(&dbz2err, dpfbz2, new + newpos, ctrl[0]);
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lenread = BZ2_bzRead(&dbz2err, dpfbz2, new + newpos, ctrl[0]);
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errx(1, "Corrupt patch\n");
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errx(1, "Corrupt patch\n");
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/* Add old data to diff string */
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/* Add old data to diff string */
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for(i=0;i<ctrl[0];i++)
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for (i = 0; i < ctrl[0]; i++)
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if((oldpos+i>=0) && (oldpos+i<oldsize))
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if ((oldpos + i >= 0) && (oldpos + i < oldsize))
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new[newpos+i]+=old[oldpos+i];
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new[newpos + i] += old[oldpos + i];
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/* Adjust pointers */
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/* Adjust pointers */
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newpos+=ctrl[0];
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newpos += ctrl[0];
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oldpos+=ctrl[0];
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oldpos += ctrl[0];
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/* Sanity-check */
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/* Sanity-check */
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if(newpos+ctrl[1]>newsize)
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if (newpos + ctrl[1] > newsize)
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errx(1,"Corrupt patch\n");
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errx(1, "Corrupt patch\n");
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/* Read extra string */
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/* Read extra string */
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lenread = BZ2_bzRead(&ebz2err, epfbz2, new + newpos, ctrl[1]);
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lenread = BZ2_bzRead(&ebz2err, epfbz2, new + newpos, ctrl[1]);
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err(1, "fclose(%s)", argv[3]);
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err(1, "fclose(%s)", argv[3]);
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/* Write the new file */
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/* Write the new file */
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if(((fd=open(argv[2],O_CREAT|O_TRUNC|O_WRONLY|O_BINARY,0666))<0) ||
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newfd = open(argv[2], O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0666);
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(write(fd,new,newsize)!=newsize) || (close(fd)==-1))
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if (newfd < 0)
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err(1,"%s",argv[2]);
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err(1, "%s", argv[2]);
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if (write(newfd, new, newsize) != newsize || close(newfd) == -1)
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err(1, "%s", argv[2]);
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free(new);
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free(new);
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free(old);
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free(old);
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return 0;
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return (0);
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}
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}
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