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fix keyword "new" warning in Cpp & OC #36

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fix keyword "new" warning in Cpp & OC #36

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34 changes: 17 additions & 17 deletions bsdiff.c
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Original file line number Diff line number Diff line change
Expand Up @@ -208,9 +208,9 @@ static int64_t writedata(struct bsdiff_stream* stream, const void* buffer, int64

struct bsdiff_request
{
const uint8_t* old;
const uint8_t* oldbuffer;
int64_t oldsize;
const uint8_t* new;
const uint8_t* newbuffer;
int64_t newsize;
struct bsdiff_stream* stream;
int64_t *I;
Expand All @@ -232,7 +232,7 @@ static int bsdiff_internal(const struct bsdiff_request req)
if((V=req.stream->malloc((req.oldsize+1)*sizeof(int64_t)))==NULL) return -1;
I = req.I;

qsufsort(I,V,req.old,req.oldsize);
qsufsort(I,V,req.oldbuffer,req.oldsize);
req.stream->free(V);

buffer = req.buffer;
Expand All @@ -244,26 +244,26 @@ static int bsdiff_internal(const struct bsdiff_request req)
oldscore=0;

for(scsc=scan+=len;scan<req.newsize;scan++) {
len=search(I,req.old,req.oldsize,req.new+scan,req.newsize-scan,
len=search(I,req.oldbuffer,req.oldsize,req.newbuffer+scan,req.newsize-scan,
0,req.oldsize,&pos);

for(;scsc<scan+len;scsc++)
if((scsc+lastoffset<req.oldsize) &&
(req.old[scsc+lastoffset] == req.new[scsc]))
(req.oldbuffer[scsc+lastoffset] == req.newbuffer[scsc]))
oldscore++;

if(((len==oldscore) && (len!=0)) ||
(len>oldscore+8)) break;

if((scan+lastoffset<req.oldsize) &&
(req.old[scan+lastoffset] == req.new[scan]))
(req.oldbuffer[scan+lastoffset] == req.newbuffer[scan]))
oldscore--;
};

if((len!=oldscore) || (scan==req.newsize)) {
s=0;Sf=0;lenf=0;
for(i=0;(lastscan+i<scan)&&(lastpos+i<req.oldsize);) {
if(req.old[lastpos+i]==req.new[lastscan+i]) s++;
if(req.oldbuffer[lastpos+i]==req.newbuffer[lastscan+i]) s++;
i++;
if(s*2-i>Sf*2-lenf) { Sf=s; lenf=i; };
};
Expand All @@ -272,7 +272,7 @@ static int bsdiff_internal(const struct bsdiff_request req)
if(scan<req.newsize) {
s=0;Sb=0;
for(i=1;(scan>=lastscan+i)&&(pos>=i);i++) {
if(req.old[pos-i]==req.new[scan-i]) s++;
if(req.oldbuffer[pos-i]==req.newbuffer[scan-i]) s++;
if(s*2-i>Sb*2-lenb) { Sb=s; lenb=i; };
};
};
Expand All @@ -281,10 +281,10 @@ static int bsdiff_internal(const struct bsdiff_request req)
overlap=(lastscan+lenf)-(scan-lenb);
s=0;Ss=0;lens=0;
for(i=0;i<overlap;i++) {
if(req.new[lastscan+lenf-overlap+i]==
req.old[lastpos+lenf-overlap+i]) s++;
if(req.new[scan-lenb+i]==
req.old[pos-lenb+i]) s--;
if(req.newbuffer[lastscan+lenf-overlap+i]==
req.oldbuffer[lastpos+lenf-overlap+i]) s++;
if(req.newbuffer[scan-lenb+i]==
req.oldbuffer[pos-lenb+i]) s--;
if(s>Ss) { Ss=s; lens=i+1; };
};

Expand All @@ -302,13 +302,13 @@ static int bsdiff_internal(const struct bsdiff_request req)

/* Write diff data */
for(i=0;i<lenf;i++)
buffer[i]=req.new[lastscan+i]-req.old[lastpos+i];
buffer[i]=req.newbuffer[lastscan+i]-req.oldbuffer[lastpos+i];
if (writedata(req.stream, buffer, lenf))
return -1;

/* Write extra data */
for(i=0;i<(scan-lenb)-(lastscan+lenf);i++)
buffer[i]=req.new[lastscan+lenf+i];
buffer[i]=req.newbuffer[lastscan+lenf+i];
if (writedata(req.stream, buffer, (scan-lenb)-(lastscan+lenf)))
return -1;

Expand All @@ -321,7 +321,7 @@ static int bsdiff_internal(const struct bsdiff_request req)
return 0;
}

int bsdiff(const uint8_t* old, int64_t oldsize, const uint8_t* new, int64_t newsize, struct bsdiff_stream* stream)
int bsdiff(const uint8_t* oldbuffer, int64_t oldsize, const uint8_t* newbuffer, int64_t newsize, struct bsdiff_stream* stream)
{
int result;
struct bsdiff_request req;
Expand All @@ -335,9 +335,9 @@ int bsdiff(const uint8_t* old, int64_t oldsize, const uint8_t* new, int64_t news
return -1;
}

req.old = old;
req.oldbuffer = oldbuffer;
req.oldsize = oldsize;
req.new = new;
req.newbuffer = newbuffer;
req.newsize = newsize;
req.stream = stream;

Expand Down
2 changes: 1 addition & 1 deletion bsdiff.h
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,6 @@ struct bsdiff_stream
int (*write)(struct bsdiff_stream* stream, const void* buffer, int size);
};

int bsdiff(const uint8_t* old, int64_t oldsize, const uint8_t* new, int64_t newsize, struct bsdiff_stream* stream);
int bsdiff(const uint8_t* oldbuffer, int64_t oldsize, const uint8_t* newbuffer, int64_t newsize, struct bsdiff_stream* stream);

#endif
26 changes: 13 additions & 13 deletions bspatch.c
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
/*-
/*-
* Copyright 2003-2005 Colin Percival
* Copyright 2012 Matthew Endsley
* All rights reserved
Expand Down Expand Up @@ -46,7 +46,7 @@ static int64_t offtin(uint8_t *buf)
return y;
}

int bspatch(const uint8_t* old, int64_t oldsize, uint8_t* new, int64_t newsize, struct bspatch_stream* stream)
int bspatch(const uint8_t* oldbuffer, int64_t oldsize, uint8_t* newbuffer, int64_t newsize, struct bspatch_stream* stream)
{
uint8_t buf[8];
int64_t oldpos,newpos;
Expand All @@ -69,13 +69,13 @@ int bspatch(const uint8_t* old, int64_t oldsize, uint8_t* new, int64_t newsize,
return -1;

/* Read diff string */
if (stream->read(stream, new + newpos, ctrl[0]))
if (stream->read(stream, newbuffer + newpos, ctrl[0]))
return -1;

/* Add old data to diff string */
for(i=0;i<ctrl[0];i++)
if((oldpos+i>=0) && (oldpos+i<oldsize))
new[newpos+i]+=old[oldpos+i];
newbuffer[newpos+i]+=oldbuffer[oldpos+i];

/* Adjust pointers */
newpos+=ctrl[0];
Expand All @@ -86,7 +86,7 @@ int bspatch(const uint8_t* old, int64_t oldsize, uint8_t* new, int64_t newsize,
return -1;

/* Read extra string */
if (stream->read(stream, new + newpos, ctrl[1]))
if (stream->read(stream, newbuffer + newpos, ctrl[1]))
return -1;

/* Adjust pointers */
Expand Down Expand Up @@ -130,7 +130,7 @@ int main(int argc,char * argv[])
int fd;
int bz2err;
uint8_t header[24];
uint8_t *old, *new;
uint8_t *oldbuffer, *newbuffer;
int64_t oldsize, newsize;
BZFILE* bz2;
struct bspatch_stream stream;
Expand Down Expand Up @@ -161,19 +161,19 @@ int main(int argc,char * argv[])
/* 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) ||
((oldbuffer=malloc(oldsize+1))==NULL) ||
(lseek(fd,0,SEEK_SET)!=0) ||
(read(fd,old,oldsize)!=oldsize) ||
(read(fd,oldbuffer,oldsize)!=oldsize) ||
(fstat(fd, &sb)) ||
(close(fd)==-1)) err(1,"%s",argv[1]);
if((new=malloc(newsize+1))==NULL) err(1,NULL);
if((newbuffer=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))
if (bspatch(oldbuffer, oldsize, newbuffer, newsize, &stream))
errx(1, "bspatch");

/* Clean up the bzip2 reads */
Expand All @@ -182,11 +182,11 @@ int main(int argc,char * argv[])

/* Write the new file */
if(((fd=open(argv[2],O_CREAT|O_TRUNC|O_WRONLY,sb.st_mode))<0) ||
(write(fd,new,newsize)!=newsize) || (close(fd)==-1))
(write(fd,newbuffer,newsize)!=newsize) || (close(fd)==-1))
err(1,"%s",argv[2]);

free(new);
free(old);
free(newbuffer);
free(oldbuffer);

return 0;
}
Expand Down
2 changes: 1 addition & 1 deletion bspatch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ struct bspatch_stream
int (*read)(const struct bspatch_stream* stream, void* buffer, int length);
};

int bspatch(const uint8_t* old, int64_t oldsize, uint8_t* new, int64_t newsize, struct bspatch_stream* stream);
int bspatch(const uint8_t* oldbuffer, int64_t oldsize, uint8_t* newbuffer, int64_t newsize, struct bspatch_stream* stream);

#endif