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iOS bspatch update

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This commit is contained in:
lvbingru
2016-04-05 15:25:45 +08:00
parent 67ed31fe98
commit 786447225b
16 changed files with 181 additions and 5389 deletions
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179
ios/RCTHotUpdate/BSDiff/bzip/bspatch.c
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@@ -26,6 +26,14 @@
*/
#include "bspatch.h"
#include <bzlib.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <err.h>
#include <unistd.h>
#include <fcntl.h>
static int64_t offtin(uint8_t *buf)
{
@@ -94,94 +102,93 @@ int bspatch(const uint8_t* old, int64_t oldsize, uint8_t* new, int64_t newsize,
return 0;
}
#if defined(BSPATCH_EXECUTABLE)
#include <bzlib.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <err.h>
#include <unistd.h>
#include <fcntl.h>
static int bz2_read(const struct bspatch_stream* stream, void* buffer, int length)
{
int n;
int bz2err;
BZFILE* bz2;
bz2 = (BZFILE*)stream->opaque;
n = BZ2_bzRead(&bz2err, bz2, buffer, length);
if (n != length)
return -1;
return 0;
int n;
int bz2err;
BZFILE* bz2;
bz2 = (BZFILE*)stream->opaque;
n = BZ2_bzRead(&bz2err, bz2, buffer, length);
if (n != length)
return -1;
return 0;
}
int main(int argc,char * argv[])
int beginPatch(const char* oldfile, const char* newfile, const char* patchfile)
{
FILE * f;
int fd;
int bz2err;
uint8_t header[24];
uint8_t *old, *new;
int64_t oldsize, newsize;
BZFILE* bz2;
struct bspatch_stream stream;
if(argc!=4) errx(1,"usage: %s oldfile newfile patchfile\n",argv[0]);
/* Open patch file */
if ((f = fopen(argv[3], "r")) == NULL)
err(1, "fopen(%s)", argv[3]);
/* Read header */
if (fread(header, 1, 24, f) != 24) {
if (feof(f))
errx(1, "Corrupt patch\n");
err(1, "fread(%s)", argv[3]);
}
/* Check for appropriate magic */
if (memcmp(header, "ENDSLEY/BSDIFF43", 16) != 0)
errx(1, "Corrupt patch\n");
/* Read lengths from header */
newsize=offtin(header+16);
if(newsize<0)
errx(1,"Corrupt patch\n");
/* Close patch file and re-open it via libbzip2 at the right places */
if(((fd=open(argv[1],O_RDONLY,0))<0) ||
((oldsize=lseek(fd,0,SEEK_END))==-1) ||
((old=malloc(oldsize+1))==NULL) ||
(lseek(fd,0,SEEK_SET)!=0) ||
(read(fd,old,oldsize)!=oldsize) ||
(close(fd)==-1)) err(1,"%s",argv[1]);
if((new=malloc(newsize+1))==NULL) err(1,NULL);
if (NULL == (bz2 = BZ2_bzReadOpen(&bz2err, f, 0, 0, NULL, 0)))
errx(1, "BZ2_bzReadOpen, bz2err=%d", bz2err);
stream.read = bz2_read;
stream.opaque = bz2;
if (bspatch(old, oldsize, new, newsize, &stream))
errx(1, "bspatch");
/* Clean up the bzip2 reads */
BZ2_bzReadClose(&bz2err, bz2);
fclose(f);
/* Write the new file */
if(((fd=open(argv[2],O_CREAT|O_TRUNC|O_WRONLY,0666))<0) ||
(write(fd,new,newsize)!=newsize) || (close(fd)==-1))
err(1,"%s",argv[2]);
free(new);
free(old);
return 0;
}
#endif
FILE * f;
int fd;
int bz2err;
uint8_t header[32];
uint8_t *old, *new;
int64_t oldsize, newsize;
BZFILE* bz2;
struct bspatch_stream stream;
// if(argc!=4) errx(1,"usage: %s oldfile newfile patchfile\n",argv[0]);
/* Open patch file */
if ((f = fopen(patchfile, "r")) == NULL) {
// err(1, "fopen(%s)", patchfile);
return -1;
}
/* Read header */
if (fread(header, 1, 32, f) != 32) {
if (feof(f)) {
// errx(1, "Corrupt patch\n");
}
// err(1, "fread(%s)", patchfile);
return -1;
}
/* Check for appropriate magic */
if (memcmp(header, "ENDSLEY/BSDIFF43", 16) != 0) {
// errx(1, "Corrupt patch\n");
return -1;
}
/* Read lengths from header */
newsize=offtin(header+16);
if(newsize<0) {
// errx(1,"Corrupt patch\n");
return -1;
}
/* Close patch file and re-open it via libbzip2 at the right places */
if(((fd=open(oldfile,O_RDONLY,0))<0) ||
((oldsize=lseek(fd,0,SEEK_END))==-1) ||
((old=malloc(oldsize+1))==NULL) ||
(lseek(fd,0,SEEK_SET)!=0) ||
(read(fd,old,oldsize)!=oldsize) ||
(close(fd)==-1)) err(1,"%s",oldfile);
if((new=malloc(newsize+1))==NULL) err(1,NULL);
if (NULL == (bz2 = BZ2_bzReadOpen(&bz2err, f, 0, 1, NULL, 0))) {
// errx(1, "BZ2_bzReadOpen, bz2err=%d", bz2err);
return -1;
}
stream.read = bz2_read;
stream.opaque = bz2;
if (bspatch(old, oldsize, new, newsize, &stream)) {
// errx(1, "bspatch");
return -1;
}
/* Clean up the bzip2 reads */
BZ2_bzReadClose(&bz2err, bz2);
fclose(f);
/* Write the new file */
if(((fd=open(newfile,O_CREAT|O_TRUNC|O_WRONLY,0666))<0) ||
(write(fd,new,newsize)!=newsize) || (close(fd)==-1)) {
err(1,"%s",newfile);
return -1;
}
free(new);
free(old);
return 0;
}