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Diffstat (limited to 'libfmt/vfprint.c')
-rw-r--r-- | libfmt/vfprint.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libfmt/vfprint.c b/libfmt/vfprint.c new file mode 100644 index 0000000..8e35c33 --- /dev/null +++ b/libfmt/vfprint.c @@ -0,0 +1,33 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE + * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "plan9.h" +#include "fmt.h" +#include "fmtdef.h" + +int +vfprint(int fd, const char *fmt, va_list args) +{ + Fmt f; + char buf[256]; + int n; + + fmtfdinit(&f, fd, buf, sizeof(buf)); + va_copy(f.args,args); + n = dofmt(&f, fmt); + va_end(f.args); + if(n > 0 && __fmtFdFlush(&f) == 0) + return -1; + return n; +} |