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Improving deassembling of buffers

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This commit is contained in:
Pierre Pronchery 2011-09-27 23:21:29 +00:00
parent 9a620ce174
commit 6932383e66
1 changed files with 14 additions and 4 deletions
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18
src/arch.c
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@ -729,13 +729,23 @@ static off_t _arch_seek_buffer(Arch * arch, off_t offset, int whence)
{ {
if(whence == SEEK_SET) if(whence == SEEK_SET)
{ {
if(offset < 0 || (size_t)offset > arch->buffer_cnt) if(offset < 0 || (size_t)offset >= arch->buffer_cnt)
return -error_set_code(1, "%s", "Invalid seek"); return -error_set_code(1, "%s", "Invalid seek");
arch->buffer_pos = offset; arch->buffer_pos = offset;
return offset;
} }
/* FIXME implement */ else if(whence == SEEK_CUR)
return -error_set_code(1, "%s", "Not implemented"); {
if(arch->buffer_pos + offset < 0)
return -error_set_code(1, "%s", "Invalid seek");
if(offset > 0 && (size_t)offset + arch->buffer_pos
>= arch->buffer_cnt)
return -error_set_code(1, "%s", "Invalid seek");
arch->buffer_pos += offset;
}
else
/* FIXME implement */
return -error_set_code(1, "%s", "Not implemented");
return arch->buffer_pos;
} }