[v2] kernel32: Avoid two potential buffer overflows of cStr in create_hardware_branch.

[Gerald Pfeifer]

Based on feedback by Sebastian, this updated version of the patch 
uses NAME_MAX instead of the non-portable/recommended against 
sizeof(dent->d_name).

Gerald

Signed-off-by: Gerald Pfeifer <gerald at pfeifer.com>
---
 dlls/kernel32/oldconfig.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/kernel32/oldconfig.c b/dlls/kernel32/oldconfig.c
index 6c80dc614f..ff82943120 100644
--- a/dlls/kernel32/oldconfig.c
+++ b/dlls/kernel32/oldconfig.c
@@ -32,6 +32,7 @@
 # include <sys/stat.h>
 #endif
 #include <fcntl.h>
+#include <limits.h>
 #ifdef HAVE_DIRENT_H
 # include <dirent.h>
 #endif
@@ -275,7 +276,9 @@ static void create_hardware_branch(void)
     DIR *idedir;
     struct dirent *dent = NULL;
     FILE *procfile = NULL;
-    char cStr[40], cDevModel[40], cUnixDeviceName[40], read1[10] = "\0", read2[10] = "\0";
+    char cStr[NAME_MAX+sizeof(procname_ide_media)],
+         cDevModel[40], cUnixDeviceName[40],
+         read1[10] = "\0", read2[10] = "\0";
     SCSI_ADDRESS scsi_addr;
     UINT nType;
     struct LinuxProcScsiDevice dev;
-- 
2.11.0