JehanneOS/mksh
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ok, icc _did_ track down a few ones, and I fixed errno abuse a little too

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however, bad S/N ratio

side effect bonus: smaller code size now
This commit is contained in:
tg
2007-06-06 23:28:17 +00:00
parent ffd63798f3
commit 3dcf22a319
13 changed files with 98 additions and 111 deletions
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23
main.c
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@ -13,7 +13,7 @@
#include <locale.h>
#endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.75 2007/05/13 17:51:22 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.76 2007/06/06 23:28:16 tg Exp $");
extern char **environ;
@ -936,23 +936,18 @@ ksh_dup2(int ofd, int nfd, int errok)
* move fd from user space (0<=fd<10) to shell space (fd>=10),
* set close-on-exec flag.
*/
int
short
savefd(int fd)
{
int nfd;
int nfd = fd;
if (fd < FDBASE) {
nfd = fcntl(fd, F_DUPFD, FDBASE);
if (nfd < 0) {
if (errno == EBADF)
return -1;
else
errorf("too many files open in shell");
}
} else
nfd = fd;
if (fd < FDBASE && (nfd = fcntl(fd, F_DUPFD, FDBASE)) < 0 &&
errno == EBADF)
return -1;
if (nfd < 0 || nfd > SHRT_MAX)
errorf("too many files open in shell");
fcntl(nfd, F_SETFD, FD_CLOEXEC);
return nfd;
return ((short)nfd);
}
void