[Xen-devel] [PATCH] stubdom: add v?errx? and v?warnx? functions

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

stubdom: add v?errx? and v?warnx? functions

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>

diff -r 14a9a1629590 extras/mini-os/include/posix/err.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/extras/mini-os/include/posix/err.h        Wed Aug 27 10:29:36 2008 +0100
@@ -0,0 +1,15 @@
+#ifndef _POSIX_ERR_H
+#define _POSIX_ERR_H
+
+#include <stdarg.h>
+
+void err(int eval, const char *fmt, ...);
+void errx(int eval, const char *fmt, ...);
+void warn(const char *fmt, ...);
+void warnx(const char *fmt, ...);
+void verr(int eval, const char *fmt, va_list args);
+void verrx(int eval, const char *fmt, va_list args);
+void vwarn(const char *fmt, va_list args);
+void vwarnx(const char *fmt, va_list args);
+
+#endif /* _POSIX_ERR_H */
diff -r 14a9a1629590 extras/mini-os/lib/sys.c
--- a/extras/mini-os/lib/sys.c  Wed Aug 27 10:26:50 2008 +0100
+++ b/extras/mini-os/lib/sys.c  Wed Aug 27 10:29:36 2008 +0100
@@ -1035,6 +1035,68 @@ void closelog(void)
     syslog_ident = NULL;
 }
 
+void vwarn(const char *format, va_list ap)
+{
+    int the_errno = errno;
+    printk("stubdom: ");
+    if (format) {
+        print(0, format, ap);
+        printk(", ");
+    }
+    printk("%s", strerror(the_errno));
+}
+
+void warn(const char *format, ...)
+{
+    va_list ap;
+    va_start(ap, format);
+    vwarn(format, ap);
+    va_end(ap);
+}
+
+void verr(int eval, const char *format, va_list ap)
+{
+    vwarn(format, ap);
+    exit(eval);
+}
+
+void err(int eval, const char *format, ...)
+{
+    va_list ap;
+    va_start(ap, format);
+    verr(eval, format, ap);
+    va_end(ap);
+}
+
+void vwarnx(const char *format, va_list ap)
+{
+    printk("stubdom: ");
+    if (format)
+        print(0, format, ap);
+}
+
+void warnx(const char *format, ...)
+{
+    va_list ap;
+    va_start(ap, format);
+    vwarnx(format, ap);
+    va_end(ap);
+}
+
+void verrx(int eval, const char *format, va_list ap)
+{
+    vwarnx(format, ap);
+    exit(eval);
+}
+
+void errx(int eval, const char *format, ...)
+{
+    va_list ap;
+    va_start(ap, format);
+    verrx(eval, format, ap);
+    va_end(ap);
+}
+
 int nanosleep(const struct timespec *req, struct timespec *rem)
 {
     s_time_t start = NOW();

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