os: Remove Error()

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>

doc/Xserver-spec.xml

@@ -1324,10 +1324,6 @@ This re-enables X request processing for the specified client.
 
 	void
 	FatalError(char *f, ...)
-
-	void
-	Error(str)
-	    char *str;
 </programlisting></blockquote>
 You should write these three routines to provide for diagnostic output
 from the dix and ddx layers, although implementing them to produce no
@@ -1335,11 +1331,7 @@ output will not affect the correctness of your server.  ErrorF() and
 FatalError() take a printf() type of format specification in the first
 argument and an implementation-dependent number of arguments following
 that.  Normally, the formats passed to ErrorF() and FatalError()
-should be terminated with a newline.  Error() provides an os interface
-for printing out the string passed as an argument followed by a
-meaningful explanation of the last system error.  Normally the string
-does not contain a newline, and it is only called by the ddx layer.
-In the sample implementation, Error() uses the perror() function.
+should be terminated with a newline.
 </para>
 <para>
 After printing the message arguments, FatalError() must be implemented

hw/xfree86/utils/cvt/cvt.c

@@ -25,13 +25,6 @@
 
 #include "xf86.h"
 
-/* Error implementation used by the server code we built in */
-void
-Error(const char *str)
-{
-    perror(str);
-}
-
 /* FatalError implementation used by the server code we built in */
 void
 FatalError(const char *f, ...)

include/os.h

@@ -551,7 +551,6 @@ extern _X_EXPORT void FatalError(const char *f, ...) _X_ATTRIBUTE_PRINTF(1,2) _X
 
 extern _X_EXPORT void VErrorF(const char *f, va_list args) _X_ATTRIBUTE_PRINTF(1,0);
 extern _X_EXPORT void ErrorF(const char *f, ...) _X_ATTRIBUTE_PRINTF(1,2);
-extern _X_EXPORT void Error(const char *str);
 extern _X_EXPORT void LogPrintMarkers(void);
 
 extern _X_EXPORT void xorg_backtrace(void);

os/backtrace.c

@@ -27,6 +27,8 @@
 
 #include "os.h"
 #include "misc.h"
+#include <errno.h>
+#include <string.h>
 
 #ifdef HAVE_BACKTRACE
 #ifndef _GNU_SOURCE
@@ -199,9 +201,8 @@ void xorg_backtrace(void) {
 	    walkcontext(&u, xorg_backtrace_frame, &depth);
 	else
 #  endif
-	    Error("Failed to get backtrace info");
+	    ErrorF("Failed to get backtrace info: %s\n", strerror(errno));
     }
-    ErrorF("\n");	
 }
 
 # else

os/log.c

@@ -87,7 +87,6 @@ OR PERFORMANCE OF THIS SOFTWARE.
 #include <sys/stat.h>
 #include <stdarg.h>
 #include <stdlib.h>	/* for malloc() */
-#include <errno.h>
 
 #include "input.h"
 #include "site.h"
@@ -638,19 +637,6 @@ ErrorF(const char * f, ...)
     va_end(args);
 }
 
-/* A perror() workalike. */
-
-void
-Error(const char *str)
-{
-    const char *err = strerror(errno);
-
-    if (str)
-	LogWrite(-1, "%s: %s", str, err);
-    else
-	LogWrite(-1, "%s", err);
-}
-
 void
 LogPrintMarkers(void)
 {

os/xprintf.c

@@ -64,6 +64,8 @@
 #include "os.h"
 #include <stdarg.h>
 #include <stdio.h>
+#include <errno.h>
+#include <string.h>
 
 #ifdef asprintf
 # undef asprintf
@@ -154,8 +156,7 @@ XNFvasprintf(char **ret, const char * _X_RESTRICT_KYWD format, va_list va)
 {
     int size = vasprintf(ret, format, va);
     if ((size == -1) || (*ret == NULL)) {
-	Error("XNFvasprintf");
-	FatalError("XNFvasprintf failed");
+	FatalError("XNFvasprintf failed: %s", strerror(errno));
     }
     return size;
 }