mirrors/musl
1
0
Fork 0
mirror of https://git.musl-libc.org/git/musl synced 2025-01-23 06:32:05 +03:00
Code Issues Packages Projects Releases Wiki Activity

fix sendmmsg emulation return value for zero-length vector

Browse Source 
this case is not even documented, but the kernel returns 0 here and it
makes sense to be consistent.
This commit is contained in:
Rich Felker 2014-06-20 02:13:38 -04:00
parent 3fa2eb2aba
commit 2e5d256984
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/network/sendmmsg.c
View File

@ -12,6 +12,7 @@ int sendmmsg(int fd, struct mmsghdr *msgvec, unsigned int vlen, unsigned int fla
* and the cmsg blocks cannot be modified in-place. */
int i;
if (vlen > IOV_MAX) vlen = IOV_MAX; /* This matches the kernel. */
if (!vlen) return 0;
for (i=0; i<vlen; i++) {
/* As an unfortunate inconsistency, the sendmmsg API uses
* unsigned int for the resulting msg_len, despite sendmsg