diff options
| author |   deraadt <deraadt@openbsd.org> | 2007-04-01 18:45:16 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2007-04-01 18:45:16 +0000 |
| commit | 66e6723ac8e09d339dc11b6a62ed90fb016b0ae3 (patch) | |
| tree | 08f4aad4249a3712d1df044a73356c1c3de7aa63 /lib/libc | |
| parent | s/multpile/multiple/ (diff) | |
| download | wireguard-openbsd-66e6723ac8e09d339dc11b6a62ed90fb016b0ae3.tar.xz wireguard-openbsd-66e6723ac8e09d339dc11b6a62ed90fb016b0ae3.zip | |
clarify return values, prompted by moritz; ok moritz jmc
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/stdio/printf.3 | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/libc/stdio/printf.3 b/lib/libc/stdio/printf.3 index 7a6cb1fd984..650af91b66e 100644 --- a/lib/libc/stdio/printf.3 +++ b/lib/libc/stdio/printf.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: printf.3,v 1.52 2006/01/13 17:56:18 millert Exp $ +.\" $OpenBSD: printf.3,v 1.53 2007/04/01 18:45:16 deraadt Exp $ .\" .\" Copyright (c) 1990, 1991, 1993 .\" The Regents of the University of California. All rights reserved. @@ -537,14 +537,19 @@ In no case does a non-existent or small field width cause truncation of a field; if the result of a conversion is wider than the field width, the field is expanded to contain the conversion result. .Sh RETURN VALUES +For all these functions if an output or encoding error occurs, a value +of \-1 is returned. +.Pp The .Fn printf , .Fn fprintf , .Fn sprintf , .Fn vprintf , .Fn vfprintf , +.Fn vsprintf , +.Fn asprintf , and -.Fn vsprintf +.Fn vasprintf functions return the number of characters printed (not including the trailing @@ -561,9 +566,8 @@ been output if the were unlimited .Po again, not including the final -.Ql \e0 +.Ql \e0 . .Pc . -If an output or encoding error occurs, a value of \-1 is returned instead. .Pp The .Fn asprintf |