Mercurial > hg > toybox
changeset 399:7a5b70965e0e
Bugfix (spotted by Nathan McSween): xread can't detect <0 if the return type is stored in an unsigned variable.
author | Rob Landley <rob@landley.net> |
---|---|
date | Wed, 28 Dec 2011 13:01:12 -0600 |
parents | a4dcbad4f92a |
children | a5ceeeae7f43 |
files | lib/lib.c |
diffstat | 1 files changed, 3 insertions(+), 3 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/lib.c Mon Dec 12 23:49:55 2011 -0600 +++ b/lib/lib.c Wed Dec 28 13:01:12 2011 -0600 @@ -246,10 +246,10 @@ // Die if there's an error other than EOF. size_t xread(int fd, void *buf, size_t len) { - len = read(fd, buf, len); - if (len < 0) perror_exit("xread"); + ssize_t ret = read(fd, buf, len); + if (ret < 0) perror_exit("xread"); - return len; + return ret; } void xreadall(int fd, void *buf, size_t len)