Merged revisions 189419 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

................
  r189419 | dbailey | 2009-04-20 14:28:16 -0500 (Mon, 20 Apr 2009) | 11 lines
  
  Merged revisions 189391 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r189391 | dbailey | 2009-04-20 14:10:56 -0500 (Mon, 20 Apr 2009) | 4 lines
    
    Clean up problem with manager implementation of mmap where it was not testing against MAP_FAILED response.
    Got rid of shadowed variable used in processign the mmap results. 
    Change test of mmap results to compare against MAP_FAILED
  ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@189422 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -2101,7 +2101,7 @@ static int try_firmware(char *s)
 		return -1;
 	}
 	fwh = (struct ast_iax2_firmware_header*)mmap(NULL, stbuf.st_size, PROT_READ, MAP_PRIVATE, fd, 0); 
-	if (fwh == (void *) -1) {
+	if (fwh == MAP_FAILED) {
 		ast_log(LOG_WARNING, "mmap failed: %s\n", strerror(errno));
 		close(fd);
 		return -1;

main/db1-ast/recno/rec_open.c

@@ -169,7 +169,7 @@ slow:			if ((t->bt_rfp = fdopen(rfd, "r")) == NULL)
 				t->bt_msize = sb.st_size;
 				if ((t->bt_smap = mmap(NULL, t->bt_msize,
 				    PROT_READ, MAP_PRIVATE, rfd,
-				    (off_t)0)) == (caddr_t)-1)
+				    (off_t)0)) == MAP_FAILED
 					goto slow;
 				t->bt_cmap = t->bt_smap;
 				t->bt_emap = t->bt_smap + sb.st_size;

main/manager.c

@@ -3891,7 +3891,9 @@ static struct ast_str *generic_http_callback(enum output_format format,
 		size_t l = ftell(s.f);
 		
 		if (l) {
-			if ((buf = mmap(NULL, l, PROT_READ | PROT_WRITE, MAP_SHARED, s.fd, 0))) {
+			if (MAP_FAILED == (buf = mmap(NULL, l, PROT_READ | PROT_WRITE, MAP_PRIVATE, s.fd, 0))) {
+				ast_log(LOG_WARNING, "mmap failed.  Manager output was not processed\n");
+			} else {
 				if (format == FORMAT_XML || format == FORMAT_HTML)
 					xml_translate(&out, buf, params, format);
 				else