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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
commit3534b428629be185e096be99e3bd5fdfe32d5544 (patch)
tree210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/sysdeps/trysplice.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/sysdeps/trysplice.c')
-rw-r--r--src/sysdeps/trysplice.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/sysdeps/trysplice.c b/src/sysdeps/trysplice.c
new file mode 100644
index 0000000..6b566b8
--- /dev/null
+++ b/src/sysdeps/trysplice.c
@@ -0,0 +1,28 @@
+/* ISC license. */
+
+#define _GNU_SOURCE
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define N 4096
+
+int main (void)
+{
+ char buf[N] ;
+ int p[2] ;
+ int fd ;
+ if (pipe(p) < 0) return 111 ;
+ fd = open("./src/sysdeps/trysplice.c", O_RDONLY) ;
+ if (fd < 0) return 111 ;
+
+ for (;;)
+ {
+ register int r = splice(fd, 0, p[1], 0, N, 0) ;
+ if (r < 0) return 1 ;
+ if (!r) break ;
+ if (splice(p[0], 0, 1, 0, r, 0) < r) return 2 ;
+ }
+ return 0 ;
+}