From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- man/sd_bus_error-example.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 man/sd_bus_error-example.c (limited to 'man/sd_bus_error-example.c') diff --git a/man/sd_bus_error-example.c b/man/sd_bus_error-example.c new file mode 100644 index 0000000..9b162eb --- /dev/null +++ b/man/sd_bus_error-example.c @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: MIT-0 */ + +#include +#include +#include +#include + +int writer_with_negative_errno_return(int fd, sd_bus_error *error) { + const char *message = "Hello, World!\n"; + + ssize_t n = write(fd, message, strlen(message)); + if (n >= 0) + return n; /* On success, return the number of bytes written, possibly 0. */ + + /* On error, initialize the error structure, and also propagate the errno + * value that write(2) set for us. */ + return sd_bus_error_set_errnof(error, errno, "Failed to write to fd %i: %m", fd); +} -- cgit v1.2.3