[syslinux:elflink] extlinux: Also install ldlinux.c32 file on XFS

[syslinux-bot for Paulo Alcantara]

Commit-ID:  129a5845aec4d6c750c4bddd936f315fb441d2fa
Gitweb:     http://www.syslinux.org/commit/129a5845aec4d6c750c4bddd936f315fb441d2fa
Author:     Paulo Alcantara <pcacjr at zytor.com>
AuthorDate: Tue, 22 Jan 2013 17:12:51 -0200
Committer:  Paulo Alcantara <pcacjr at zytor.com>
CommitDate: Tue, 22 Jan 2013 17:26:41 -0200

extlinux: Also install ldlinux.c32 file on XFS

Signed-off-by: Paulo Alcantara <pcacjr at zytor.com>

---
 extlinux/main.c | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/extlinux/main.c b/extlinux/main.c
index 01bfc9c..aa20e1b 100644
--- a/extlinux/main.c
+++ b/extlinux/main.c
@@ -644,12 +644,16 @@ int btrfs_install_file(const char *path, int devfd, struct stat *rst)
  */
 static int xfs_install_file(const char *path, int devfd, struct stat *rst)
 {
-    static char file[PATH_MAX];
+    static char file[PATH_MAX + 1];
+    static char c32file[PATH_MAX + 1];
     int dirfd = -1;
     int fd = -1;
+    int retval;
 
-    snprintf(file, PATH_MAX, "%s%sldlinux.sys",
-	     path, path[0] && path[strlen(path) - 1] == '/' ? "" : "/");
+    snprintf(file, PATH_MAX + 1, "%s%sldlinux.sys", path,
+	     path[0] && path[strlen(path) - 1] == '/' ? "" : "/");
+    snprintf(c32file, PATH_MAX + 1, "%s%sldlinux.c32", path,
+	     path[0] && path[strlen(path) - 1] == '/' ? "" : "/");
 
     dirfd = open(path, O_RDONLY | O_DIRECTORY);
     if (dirfd < 0) {
@@ -683,10 +687,28 @@ static int xfs_install_file(const char *path, int devfd, struct stat *rst)
     }
 
     close(dirfd);
+    close(fd);
+
+    dirfd = -1;
+    fd = -1;
+
+    fd = open(c32file, O_WRONLY | O_TRUNC | O_CREAT | O_SYNC,
+	      S_IRUSR | S_IRGRP | S_IROTH);
+    if (fd < 0) {
+	perror(c32file);
+	goto bail;
+    }
+
+    retval = xpwrite(fd, syslinux_ldlinuxc32, syslinux_ldlinuxc32_len, 0);
+    if (retval != (int)syslinux_ldlinuxc32_len) {
+	fprintf(stderr, "%s: write failure on %s\n", program, file);
+	goto bail;
+    }
 
-    sync();
     close(fd);
 
+    sync();
+
     return 0;
 
 bail: