fix all uses of sys_nerr and sys_errlist[]

sources/gdb.patch

@@ -498,9 +498,114 @@ Fix build on Sparc.
  #include <asm/reg.h>
  #else
  #include <machine/reg.h>
---- gdb-5.3/gdb/gdbserver/utils.c.orig	2003-08-20 08:34:18.000000000 -0600
-+++ gdb-5.3/gdb/gdbserver/utils.c	2003-08-20 08:35:00.000000000 -0600
-@@ -40,9 +40,8 @@
+diff -urN gdb-5.3/gdb/gdbserver.orig/gdbreplay.c gdb-5.3/gdb/gdbserver/gdbreplay.c
+--- gdb-5.3/gdb/gdbserver.orig/gdbreplay.c	2002-07-09 11:38:58.000000000 -0600
++++ gdb-5.3/gdb/gdbserver/gdbreplay.c	2003-08-20 08:44:20.000000000 -0600
+@@ -54,14 +54,15 @@
+ perror_with_name (char *string)
+ {
+ #ifndef STDC_HEADERS
+-  extern int sys_nerr;
+   extern char *sys_errlist[];
+   extern int errno;
+ #endif
+   const char *err;
+   char *combined;
+ 
+-  err = (errno < sys_nerr) ? sys_errlist[errno] : "unknown error";
++  err = strerror (errno);
++  if (err == NULL)
++    err = "unknown error";
+   combined = (char *) alloca (strlen (err) + strlen (string) + 3);
+   strcpy (combined, string);
+   strcat (combined, ": ");
+diff -urN gdb-5.3/gdb/gdbserver.orig/low-hppabsd.c gdb-5.3/gdb/gdbserver/low-hppabsd.c
+--- gdb-5.3/gdb/gdbserver.orig/low-hppabsd.c	2002-01-17 14:13:49.000000000 -0700
++++ gdb-5.3/gdb/gdbserver/low-hppabsd.c	2003-08-20 08:46:04.000000000 -0600
+@@ -61,7 +61,7 @@
+       execv (program, allargs);
+ 
+       fprintf (stderr, "Cannot exec %s: %s.\n", program,
+-	       errno < sys_nerr ? sys_errlist[errno] : "unknown error");
++	       strerror (errno));
+       fflush (stderr);
+       _exit (0177);
+     }
+diff -urN gdb-5.3/gdb/gdbserver.orig/low-lynx.c gdb-5.3/gdb/gdbserver/low-lynx.c
+--- gdb-5.3/gdb/gdbserver.orig/low-lynx.c	2002-01-17 14:13:49.000000000 -0700
++++ gdb-5.3/gdb/gdbserver/low-lynx.c	2003-08-20 08:46:18.000000000 -0600
+@@ -79,7 +79,7 @@
+ 
+       fprintf (stderr, "GDBserver (process %d):  Cannot exec %s: %s.\n",
+ 	       getpid (), program,
+-	       errno < sys_nerr ? sys_errlist[errno] : "unknown error");
++	       strerror (errno));
+       fflush (stderr);
+       _exit (0177);
+     }
+diff -urN gdb-5.3/gdb/gdbserver.orig/low-nbsd.c gdb-5.3/gdb/gdbserver/low-nbsd.c
+--- gdb-5.3/gdb/gdbserver.orig/low-nbsd.c	2002-01-17 14:13:49.000000000 -0700
++++ gdb-5.3/gdb/gdbserver/low-nbsd.c	2003-08-20 08:46:27.000000000 -0600
+@@ -137,7 +137,7 @@
+       execv (program, allargs);
+ 
+       fprintf (stderr, "Cannot exec %s: %s.\n", program,
+-	       errno < sys_nerr ? sys_errlist[errno] : "unknown error");
++	       strerror (errno));
+       fflush (stderr);
+       _exit (0177);
+     }
+diff -urN gdb-5.3/gdb/gdbserver.orig/low-sparc.c gdb-5.3/gdb/gdbserver/low-sparc.c
+--- gdb-5.3/gdb/gdbserver.orig/low-sparc.c	2002-01-17 14:13:50.000000000 -0700
++++ gdb-5.3/gdb/gdbserver/low-sparc.c	2003-08-20 08:46:38.000000000 -0600
+@@ -44,7 +44,6 @@
+ #include <sys/ptrace.h>
+ #include <sys/reg.h>
+ 
+-extern int sys_nerr;
+ extern char **sys_errlist;
+ extern int errno;
+ 
+@@ -67,7 +66,7 @@
+       execv (program, allargs);
+ 
+       fprintf (stderr, "Cannot exec %s: %s.\n", program,
+-	       errno < sys_nerr ? sys_errlist[errno] : "unknown error");
++	       strerror (errno));
+       fflush (stderr);
+       _exit (0177);
+     }
+diff -urN gdb-5.3/gdb/gdbserver.orig/low-sun3.c gdb-5.3/gdb/gdbserver/low-sun3.c
+--- gdb-5.3/gdb/gdbserver.orig/low-sun3.c	2002-01-17 14:13:50.000000000 -0700
++++ gdb-5.3/gdb/gdbserver/low-sun3.c	2003-08-20 08:46:51.000000000 -0600
+@@ -41,7 +41,6 @@
+ #include <sys/ptrace.h>
+ #include <machine/reg.h>
+ 
+-extern int sys_nerr;
+ extern char **sys_errlist;
+ extern int errno;
+ 
+@@ -64,7 +63,7 @@
+       execv (program, allargs);
+ 
+       fprintf (stderr, "Cannot exec %s: %s.\n", program,
+-	       errno < sys_nerr ? sys_errlist[errno] : "unknown error");
++	       strerror (errno));
+       fflush (stderr);
+       _exit (0177);
+     }
+diff -urN gdb-5.3/gdb/gdbserver.orig/utils.c gdb-5.3/gdb/gdbserver/utils.c
+--- gdb-5.3/gdb/gdbserver.orig/utils.c	2003-08-20 08:47:56.000000000 -0600
++++ gdb-5.3/gdb/gdbserver/utils.c	2003-08-20 08:48:15.000000000 -0600
+@@ -33,16 +33,13 @@
+ perror_with_name (char *string)
+ {
+ #ifndef STDC_HEADERS
+-  extern int sys_nerr;
+-  extern char *sys_errlist[];
+   extern int errno;
+ #endif
    const char *err;
    char *combined;
  
@@ -512,3 +617,17 @@ Fix build on Sparc.
      err = "unknown error";
  
    combined = (char *) alloca (strlen (err) + strlen (string) + 3);
+diff -urN gdb-5.3/gdb/gdbserver.orig/linux-low.c.orig gdb-5.3/gdb/gdbserver/linux-low.c.orig
+--- gdb-5.3/gdb/gdbserver.orig/linux-low.c	2003-08-20 08:40:27.000000000 -0600
++++ gdb-5.3/gdb/gdbserver/linux-low.c	2003-08-20 08:44:54.000000000 -0600
+@@ -175,8 +175,7 @@
+   if (ptrace (PTRACE_ATTACH, pid, 0, 0) != 0)
+     {
+       fprintf (stderr, "Cannot attach to process %d: %s (%d)\n", pid,
+-	       errno < sys_nerr ? sys_errlist[errno] : "unknown error",
+-	       errno);
++	       strerror (errno), errno);
+       fflush (stderr);
+ 
+       /* If we fail to attach to an LWP, just return.  */
+