[Qemu-devel] [PATCH 2/4] qemu-nbd: include our own err/errx implementation

[Paolo Bonzini <pbonzini@redhat.com>]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 qemu-nbd.c |   30 +++++++++++++++++++++++++++++-
 1 files changed, 29 insertions(+), 1 deletions(-)

diff --git a/qemu-nbd.c b/qemu-nbd.c
index 972524d..573bf3d 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -23,7 +23,6 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <getopt.h>
-#include <err.h>
 #include <sys/wait.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -78,6 +77,35 @@ static void version(const char *name)
     , name);
 }
 
+static void err(int status, const char *format, ...)
+{
+    char *s, *msg;
+    va_list ap;
+
+    msg = strerror(errno);
+    va_start(ap, format);
+    if (vasprintf(&s, format, ap) == -1) {
+	abort();
+    }
+    fprintf(stderr, "qemu-nbd: %s: %s\n", s, msg);
+    free(s);
+    exit(status);
+}
+
+static void errx(int status, const char *format, ...)
+{
+    char *s;
+    va_list ap;
+
+    va_start(ap, format);
+    if (vasprintf(&s, format, ap) == -1) {
+        abort();
+    }
+    fprintf(stderr, "qemu-nbd: %s\n", s);
+    free(s);
+    exit(status);
+}
+
 struct partition_record
 {
     uint8_t bootable;
-- 
1.7.6.4