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Fix a bug in safe_read() that would cause short reads on an async socket

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to return failure rather than the number of characters read.
This commit is contained in:
Nicholas J. Kain 2011-06-10 13:53:05 -04:00
parent 387502255f
commit bd49819f28
1 changed files with 3 additions and 1 deletions
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4
ncmlib/io.c
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@ -1,5 +1,5 @@
/* io.c - light wrappers for POSIX i/o functions /* io.c - light wrappers for POSIX i/o functions
* Time-stamp: <2010-11-15 19:45:39 njk> * Time-stamp: <2011-06-10 13:51:03 njk>
* *
* (c) 2010 Nicholas J. Kain <njkain at gmail dot com> * (c) 2010 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved. * All rights reserved.
@ -43,6 +43,8 @@ int safe_read(int fd, char *buf, int len)
if (r == -1) { if (r == -1) {
if (errno == EINTR) if (errno == EINTR)
continue; continue;
else if ((errno == EAGAIN || errno == EWOULDBLOCK) && s > 0)
return s;
else else
return -1; return -1;
} }