nixos/nix
1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-11-25 03:39:36 +01:00
Code Activity

* Argh, another short-write problem. Added wrappers around

Browse source 
read()/write() to fix this once and for all.
This commit is contained in:
Eelco Dolstra 2003-07-20 21:11:43 +00:00
parent 667a6afb9d
commit 7984cfc7c1
9 changed files with 46 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/store.cc
View file

@ -15,8 +15,7 @@ struct CopySink : DumpSink
int fd;
virtual void operator () (const unsigned char * data, unsigned int len)
{
if (write(fd, (char *) data, len) != (ssize_t) len)
throw SysError("writing to child");
writeFull(fd, data, len);
}
};
@ -24,13 +23,9 @@ struct CopySink : DumpSink
struct CopySource : RestoreSource
{
int fd;
virtual void operator () (const unsigned char * data, unsigned int len)
virtual void operator () (unsigned char * data, unsigned int len)
{
ssize_t res = read(fd, (char *) data, len);
if (res == -1)
throw SysError("reading from parent");
if (res != (ssize_t) len)
throw Error("not enough data available on parent");
readFull(fd, data, len);
}
};