init ems server code

plat/iptrans/src/error.c

@@ -0,0 +1,114 @@
+#include	<stdio.h>
+#include    <errno.h>        /* for definition of errno */
+#include    <stdarg.h>        /* ANSI C header file */
+#include    <string.h>
+#include     "./include/iptrans.h"
+
+static void    err_doit(int, const char *, va_list);
+
+char    *pname = NULL;        /* caller can set this from argv[0] */
+
+/* 
+** Nonfatal error related to a system call.
+** Print a message and return. 
+*/
+
+/*@ignore@*/
+void
+err_ret(const char *fmt, ...)
+{
+    va_list        ap;
+
+    va_start(ap, fmt);
+    err_doit(1, fmt, ap);
+    va_end(ap);
+    return;
+}
+
+/* 
+** Fatal error related to a system call.
+** Print a message and terminate.
+*/
+
+void
+err_sys(const char *fmt, ...)
+{
+    va_list        ap;
+
+    va_start(ap, fmt);
+    err_doit(1, fmt, ap);
+    va_end(ap);
+    exit(1);
+}
+
+/*
+** Fatal error related to a system call.
+** Print a message, dump core, and terminate.
+*/
+
+void
+err_dump(const char *fmt, ...)
+{
+    va_list        ap;
+
+    va_start(ap, fmt);
+    err_doit(1, fmt, ap);
+    va_end(ap);
+    abort();        /* dump core and terminate */
+    exit(1);        /* shouldn't get here */
+}
+
+/*
+** Nonfatal error unrelated to a system call.
+** Print a message and return.
+*/
+
+void
+err_msg(const char *fmt, ...)
+{
+    va_list        ap;
+
+    va_start(ap, fmt);
+    err_doit(0, fmt, ap);
+    va_end(ap);
+    return;
+}
+
+/*
+** Fatal error unrelated to a system call.
+** Print a message and terminate.
+*/
+
+void
+err_quit(const char *fmt, ...)
+{
+    va_list        ap;
+
+    va_start(ap, fmt);
+    err_doit(0, fmt, ap);
+    va_end(ap);
+    exit(1);
+}
+
+/*
+** Print a message and return to caller.
+** Caller specifies "errnoflag".
+*/
+
+static void
+err_doit(int errnoflag, const char *fmt, va_list ap)
+{
+    int        errno_save;
+    char    buf[MAXLINE];
+
+    errno_save = errno;        /* value caller might want printed */
+    vsprintf(buf, fmt, ap);
+    if (errnoflag)
+        sprintf(buf+strlen(buf), ": %s", strerror(errno_save));
+    strcat(buf, "\n");
+    fflush(stdout);        /* in case stdout and stderr are the same */
+    fputs(buf, stderr);
+    fflush(NULL);        /* flushes all stdio output streams */
+    return;
+}
+/*@end@*/