From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- sys/libc/perror.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 sys/libc/perror.c (limited to 'sys/libc/perror.c') diff --git a/sys/libc/perror.c b/sys/libc/perror.c new file mode 100644 index 00000000..53aa923a --- /dev/null +++ b/sys/libc/perror.c @@ -0,0 +1,36 @@ +/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. +*/ + +#define import_spp +#define import_xnames +#define import_stdio +#define import_libc +#include + +#define SZ_OSERRMSG 80 + +int sys_nerr; /* UNIX standard */ +char *sys_errlist[1]; /* UNIX standard */ +int u_oserrcode; +char u_oserrmsg[SZ_OSERRMSG+1]; + + +/* PERROR -- Print a short error message on the standard output describing +** the last system error (e.g., exception). The prefix string supplied +** as the argument is first printed, followed by an ":", followed by the +** system dependent error message describing the error. +*/ +void +perror ( + char *prefix /* prefix string */ +) +{ + u_oserrcode = c_errget (u_oserrmsg, SZ_OSERRMSG); + sys_nerr = 0; + sys_errlist[0] = u_oserrmsg; + + fputs (prefix, stderr); + fputs (": ", stderr); + fputs (u_oserrmsg, stderr); + fputc ('\n', stderr); +} -- cgit