diff options
Diffstat (limited to 'src/libstddjb/iobufferk_init.c')
-rw-r--r-- | src/libstddjb/iobufferk_init.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/libstddjb/iobufferk_init.c b/src/libstddjb/iobufferk_init.c deleted file mode 100644 index b7a91d7..0000000 --- a/src/libstddjb/iobufferk_init.c +++ /dev/null @@ -1,74 +0,0 @@ -/* ISC license. */ - -#include <skalibs/sysdeps.h> - -#ifdef SKALIBS_HASSPLICE - -#include <sys/stat.h> -#include <fcntl.h> - -#include <skalibs/djbunix.h> -#include <skalibs/iobuffer.h> - -static int iobufferk_init_0 (iobufferk *k) -{ - int fd = openc_write("/dev/null") ; - if (fd < 0) return 0 ; - k->p[0] = -1 ; - k->p[1] = fd ; - return 1 ; -} - -static int iobufferk_nofd (iobufferk *k) -{ - k->p[0] = k->p[1] = -1 ; - return 1 ; -} - -static int iobufferk_init_3 (iobufferk *k) -{ - return (pipecoe(k->p) >= 0) ; -} - -static iobufferk_output_func_ref iobufferk_init_f[4] = -{ - &iobufferk_init_0, &iobufferk_nofd, &iobufferk_nofd, &iobufferk_init_3 -} ; - -int iobufferk_init (iobufferk *k, int fdin, int fdout) -{ - iobufferk tmp ; - struct stat st ; - int r ; - if (fstat(fdin, &st) < 0) return 0 ; - r = fcntl(fdin, F_GETFL) ; - if (r < 0) return 0 ; - tmp.type = !S_ISFIFO(st.st_mode) ; - tmp.nb = !!(r & O_NONBLOCK) ; - if (fstat(fdout, &st) < 0) return 0 ; - r = fcntl(fdout, F_GETFL) ; - if (r < 0) return 0 ; - tmp.type |= (!S_ISFIFO(st.st_mode) << 1) ; - tmp.nb |= (r & O_NONBLOCK) ? 2 : 0 ; - tmp.fd[0] = fdin ; - tmp.fd[1] = fdout ; - tmp.n = 0 ; - if (!(*iobufferk_init_f[tmp.type])(&tmp)) return 0 ; - *k = tmp ; - return 1 ; -} - -#else - -#include <errno.h> -#include <skalibs/iobuffer.h> - -int iobufferk_init (iobufferk *k, int fdin, int fdout) -{ - (void)k ; - (void)fdin ; - (void)fdout ; - return (errno = ENOSYS, 0) ; -} - -#endif |