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27286: Made movefd() return the targetfd on success. Added

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a little more error checking in the callers of movefd().
This commit is contained in:
Wayne Davison 2009-09-22 16:04:13 +00:00
parent 51409732d0
commit 2f8aaaf5e4
4 changed files with 31 additions and 19 deletions
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8
ChangeLog
View file

@ -1,3 +1,9 @@
2009-09-22 Wayne Davison <wayned@users.sourceforge.net>
* 27286: Src/Modules/socket.c Src/Modules/tcp.c Src/utils.c:
Made movefd() return the targetfd on success. Added a little
more error checking in the callers of movefd().
2009-09-22 Peter Stephenson <pws@csr.com>
* 27284: Src/exec.c, Src/parse.c, Src/utils.c,
@ -12209,5 +12215,5 @@
*****************************************************
* This is used by the shell to define $ZSH_PATCHLEVEL
* $Revision: 1.4786 $
* $Revision: 1.4787 $
*****************************************************

19
Src/Modules/socket.c
View file

@ -120,10 +120,7 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
}
if (targetfd) {
if (redup(sfd, targetfd) == -1)
sfd = -1;
else
sfd = targetfd;
sfd = redup(sfd, targetfd);
}
else {
/* move the fd since no one will want to read from it */
@ -205,8 +202,11 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
}
if (targetfd) {
redup(rfd, targetfd);
sfd = targetfd;
sfd = redup(rfd, targetfd);
if (sfd < 0) {
zerrnam(nam, "could not duplicate socket fd to %d: %e", targetfd, errno);
return 1;
}
}
else {
sfd = rfd;
@ -242,8 +242,11 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
else
{
if (targetfd) {
redup(sfd, targetfd);
sfd = targetfd;
sfd = redup(sfd, targetfd);
if (sfd < 0) {
zerrnam(nam, "could not duplicate socket fd to %d: %e", targetfd, errno);
return 1;
}
}
setiparam("REPLY", sfd);

19
Src/Modules/tcp.c
View file

@ -446,10 +446,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
}
if (targetfd) {
if (redup(sess->fd,targetfd) == -1)
sess->fd = -1;
else
sess->fd = targetfd;
sess->fd = redup(sess->fd, targetfd);
}
else {
/* move the fd since no one will want to read from it */
@ -547,8 +544,11 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
}
if (targetfd) {
redup(rfd, targetfd);
sess->fd = targetfd;
sess->fd = redup(rfd, targetfd);
if (sess->fd < 0) {
zerrnam(nam, "could not duplicate socket fd to %d: %e", targetfd, errno);
return 1;
}
}
else {
sess->fd = rfd;
@ -662,8 +662,11 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
else
{
if (targetfd) {
redup(sess->fd, targetfd);
sess->fd = targetfd;
sess->fd = redup(sess->fd, targetfd);
if (sess->fd < 0) {
zerrnam(nam, "could not duplicate socket fd to %d: %e", targetfd, errno);
return 1;
}
}
setiparam("REPLY", sess->fd);

4
Src/utils.c
View file

@ -1654,14 +1654,14 @@ movefd(int fd)
/*
* Move fd x to y. If x == -1, fd y is closed.
* Return 0 for success, -1 for failure.
* Returns y for success, -1 for failure.
*/
/**/
mod_export int
redup(int x, int y)
{
int ret = 0;
int ret = y;
if(x < 0)
zclose(y);