jory/upx
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

Small cleanups.

Browse Source 
committer: mfx <mfx> 978539758 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2001-01-03 16:35:58 +00:00
parent df4726eb95
commit c5e61413a4
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/p_vmlinz.cpp
View File

@ -147,7 +147,8 @@ int PackVmlinuzI386::decompressKernel()
if (off < 0)
break;
gzoff += off;
if (gzoff + 256 >= file_size)
const int gzlen = file_size - gzoff;
if (gzlen < 256)
break;
// check gzip flag byte
unsigned char flags = obuf[gzoff + 3];
@ -174,7 +175,7 @@ int PackVmlinuzI386::decompressKernel()
break;
// estimate gzip-decompressed kernel size & alloc buffer
if (ibuf.getSize() == 0)
ibuf.alloc((file_size - gzoff) * 3);
ibuf.alloc(gzlen * 3);
// decompress
klen = gzread(zf, ibuf, ibuf.getSize());
fd_pos = lseek(fd, 0, SEEK_CUR);
@ -192,7 +193,7 @@ int PackVmlinuzI386::decompressKernel()
if (klen <= 0)
continue;
if (klen <= file_size - gzoff)
if (klen <= gzlen)
continue;
if (opt->force > 0)