2004-09-03 Roland McGrath <roland@redhat.com>

[strace] / ioctl.c

diff --git a/ioctl.c b/ioctl.c
index 24e84ba868b38009ca421205af42ce9bb3f68932..814caf0c1eb0d28b23c97355177e1bbf17ffae1c 100644 (file)
--- a/ioctl.c
+++ b/ioctl.c
@@ -2,6 +2,7 @@
  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+ * Copyright (c) 1996-2001 Wichert Akkerman <wichert@cistron.nl>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +32,7 @@
 
 #include "defs.h"
 
-struct ioctlent ioctlent0[] = {
+const struct ioctlent ioctlent0[] = {
 /*
  * `ioctlent.h' may be generated from `ioctlent.raw' by the auxiliary
  * program `ioctlsort', such that the list is sorted by the `code' field.
@@ -42,25 +43,29 @@ struct ioctlent ioctlent0[] = {
 #include "ioctlent.h"
 };
 
-int nioctlents0 = sizeof ioctlent0 / sizeof ioctlent0[0];
+#ifdef LINUX
+#include <asm/ioctl.h>
+#endif
+
+const int nioctlents0 = sizeof ioctlent0 / sizeof ioctlent0[0];
 
 #if SUPPORTED_PERSONALITIES >= 2
-struct ioctlent ioctlent1[] = {
+const struct ioctlent ioctlent1[] = {
 #include "ioctlent1.h"
 };
 
-int nioctlents1 = sizeof ioctlent1 / sizeof ioctlent1[0];
+const int nioctlents1 = sizeof ioctlent1 / sizeof ioctlent1[0];
 #endif /* SUPPORTED_PERSONALITIES >= 2 */
 
 #if SUPPORTED_PERSONALITIES >= 3
-struct ioctlent ioctlent2[] = {
+const struct ioctlent ioctlent2[] = {
 #include "ioctlent2.h"
 };
 
-int nioctlents1 = sizeof ioctlent2 / sizeof ioctlent2[0];
+int nioctlents2 = sizeof ioctlent2 / sizeof ioctlent2[0];
 #endif /* SUPPORTED_PERSONALITIES >= 3 */
 
-struct ioctlent *ioctlent;
+const struct ioctlent *ioctlent;
 int nioctlents;
 
 static int
@@ -73,16 +78,36 @@ const void *b;
        return (code1 > code2) ? 1 : (code1 < code2) ? -1 : 0;
 }
 
-char *
+const struct ioctlent *
 ioctl_lookup(code)
 long code;
 {
        struct ioctlent *iop, ioent;
 
        ioent.code = code;
+#ifdef LINUX
+       ioent.code &= (_IOC_NRMASK<<_IOC_NRSHIFT) | (_IOC_TYPEMASK<<_IOC_TYPESHIFT);
+#endif
        iop = (struct ioctlent *) bsearch((char *) &ioent, (char *) ioctlent,
                        nioctlents, sizeof(struct ioctlent), compare);
-       return iop ? iop->symbol : NULL;
+       while (iop > ioctlent)
+               if ((--iop)->code != ioent.code) {
+                       iop++;
+                       break;
+               }
+       return iop;
+}
+
+const struct ioctlent *
+ioctl_next_match(iop)
+const struct ioctlent *iop;
+{
+       long code;
+
+       code = (iop++)->code;
+       if (iop < ioctlent + nioctlents && iop->code == code)
+               return iop;
+       return NULL;
 }
 
 int
@@ -92,7 +117,7 @@ long code, arg;
 {
        switch ((code >> 8) & 0xff) {
 #ifdef LINUX
-#ifdef ALPHA
+#if defined(ALPHA) || defined(POWERPC)
        case 'f': case 't': case 'T':
 #else /* !ALPHA */
        case 0x54:
@@ -104,15 +129,22 @@ long code, arg;
 #ifdef LINUX
        case 0x89:
 #else /* !LINUX */
-       case 'r': case 's': case 'i': case 'p':
+       case 'r': case 's': case 'i':
+#ifndef FREEBSD
+       case 'p':
+#endif
 #endif /* !LINUX */
                return sock_ioctl(tcp, code, arg);
-#ifdef SVR4
-#ifndef SVR4_MP
+#ifdef USE_PROCFS
+#ifndef HAVE_MP_PROCFS
+#ifndef FREEBSD
        case 'q':
+#else
+       case 'p':
+#endif
                return proc_ioctl(tcp, code, arg);
 #endif
-#endif /* SVR4 */
+#endif /* USE_PROCFS */
 #ifdef HAVE_SYS_STREAM_H
        case 'S':
                return stream_ioctl(tcp, code, arg);
@@ -170,4 +202,3 @@ long code, arg;
  *
  * End of Registry
  */
-