diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/err.3 | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/lib/libc/gen/err.3 b/lib/libc/gen/err.3 index 1654a6b..97acb08 100644 --- a/lib/libc/gen/err.3 +++ b/lib/libc/gen/err.3 @@ -30,9 +30,9 @@ .\" SUCH DAMAGE. .\" .\" From: @(#)err.3 8.1 (Berkeley) 6/9/93 -.\" $Id: err.3,v 1.8 1998/04/22 19:59:55 rnordier Exp $ +.\" $Id: err.3,v 1.9 1998/09/12 21:02:22 wollman Exp $ .\" -.Dd April 13, 1995 +.Dd Mar 6, 1999 .Dt ERR 3 .Os BSD 4 .Sh NAME @@ -48,14 +48,18 @@ .Nm vwarnc , .Nm warnx , .Nm vwarnx , -.Nm err_set_file , -.Nm err_set_exit +.Nm err_set_exit , +.Nm err_set_file .Nd formatted error messages .Sh SYNOPSIS .Fd #include <err.h> .Ft void .Fn err "int eval" "const char *fmt" "..." .Ft void +.Fn err_set_exit "void (*exitf)(int)" +.Ft void +.Fn err_set_file "void *vfp" +.Ft void .Fn errc "int eval" "int code" "const char *fmt" "..." .Ft void .Fn errx "int eval" "const char *fmt" "..." @@ -65,11 +69,6 @@ .Fn warnc "int code" "const char *fmt" "..." .Ft void .Fn warnx "const char *fmt" "..." -.Fd #include <stdio.h> -.Ft void -.Fn err_set_file "FILE *fp" -.Ft void -.Fn err_set_exit "void (*exitf)(int)" .Fd #include <stdarg.h> .Ft void .Fn verr "int eval" "const char *fmt" "va_list args" @@ -141,6 +140,15 @@ function can be used to specify a function which is called before to perform any necessary cleanup; passing a null function pointer for .Va exitf resets the hook to do nothing. +The +.Fn err_set_file +function sets the output stream used by the other functions. +Its +.Va vfp +argument must be either a pointer to an open stream +(possibly already converted to void *) +or a null pointer +(in which case the output stream is set to standard error). .Sh EXAMPLES Display the current errno information string and exit: .Bd -literal -offset indent @@ -183,9 +191,9 @@ and functions first appeared in .Bx 4.4 . The -.Fn err_set_file -and .Fn err_set_exit +and +.Fn err_set_file functions first appeared in .Fx 2.1 . The |
