summaryrefslogtreecommitdiffstats
path: root/zutils.cc
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--zutils.cc22
1 files changed, 11 insertions, 11 deletions
diff --git a/zutils.cc b/zutils.cc
index 069a010..8d7b6c8 100644
--- a/zutils.cc
+++ b/zutils.cc
@@ -3,7 +3,7 @@
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
+ the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
@@ -89,17 +89,17 @@ int parse_format_type( const std::string & arg )
//
int readblock( const int fd, uint8_t * const buf, const int size )
{
- int rest = size;
+ int sz = 0;
errno = 0;
- while( rest > 0 )
+ while( sz < size )
{
- const int n = read( fd, buf + size - rest, rest );
- if( n > 0 ) rest -= n;
+ const int n = read( fd, buf + sz, size - sz );
+ if( n > 0 ) sz += n;
else if( n == 0 ) break; // EOF
else if( errno != EINTR ) break;
errno = 0;
}
- return size - rest;
+ return sz;
}
@@ -108,16 +108,16 @@ int readblock( const int fd, uint8_t * const buf, const int size )
//
int writeblock( const int fd, const uint8_t * const buf, const int size )
{
- int rest = size;
+ int sz = 0;
errno = 0;
- while( rest > 0 )
+ while( sz < size )
{
- const int n = write( fd, buf + size - rest, rest );
- if( n > 0 ) rest -= n;
+ const int n = write( fd, buf + sz, size - sz );
+ if( n > 0 ) sz += n;
else if( n < 0 && errno != EINTR ) break;
errno = 0;
}
- return size - rest;
+ return sz;
}