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authorMattias Andrée <maandree@kth.se>2021-09-04 11:38:03 +0200
committerMattias Andrée <maandree@kth.se>2021-09-04 11:38:03 +0200
commitf467f59897f330d2a493e919108e62dffaa1f736 (patch)
treea93237eb61591401b481e47b2aaa9dc92042be1a /common.h
parentm (diff)
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Communicate whether file transfers were completed
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'common.h')
-rw-r--r--common.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/common.h b/common.h
new file mode 100644
index 0000000..ac73c43
--- /dev/null
+++ b/common.h
@@ -0,0 +1,34 @@
+/* See LICENSE file for copyright and license details. */
+#include <sys/prctl.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+
+/* We need at least 2 bytes we are sending 1 addition byte in each chunk */
+#if BUFSIZ < 2
+# undef BUFSIZ
+# define BUFSIZ 2
+#endif
+
+/* We impose a limit because PF_UNIX/SOCK_SEQPACKET can block if sending
+ * too much (I don't know the exact limit and it can change), without
+ * first setting up a socket options, which is overkill for this application,
+ * and there is also a hard limit just above 210000B for each EMSGSIZE will
+ * be thrown. */
+#if BUFSIZ > (8 << 10)
+# undef BUFSIZ
+# define BUFSIZ (8 << 10)
+#endif
+
+
+extern const char *argv0;
+
+void copy_file(int destfd, const char *destfname, int srcfd, const char *srcfname, int *okp);