diff options
Diffstat (limited to 'writef.c')
| -rw-r--r-- | writef.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/writef.c b/writef.c new file mode 100644 index 0000000..7d57e3b --- /dev/null +++ b/writef.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2026 Nakidai Perumenei <nakidai at disroot dot org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "ircd.h" + +#include <stdarg.h> +#include <stdio.h> +#include <string.h> + +#include <unistd.h> + + +int +writef(int fd, const char *fmt, ...) +{ + static char buf[MESSAGE_MAX + 1]; + va_list args; + int written; + + va_start(args, fmt); + written = vsnprintf(buf, sizeof(buf) - 2, fmt, args); + va_end(args); + written = written < sizeof(buf) - 2 ? written : sizeof(buf) - 2; + memcpy(buf + written, "\r\n", 3); + + return write(fd, buf, written + 3); +} |