[syslinux] download c32 files in the same directory as the app

* Rufus was downloading c32 files in the last directory browsed, which
  meant that the same file may have had to be downloaded more than once
* Closes #154

src/msapi_utf8.h

@@ -616,6 +616,15 @@ out:
 	return ret;
 }
 
+static __inline int _chdirU(const char *dirname)
+{
+	int ret;
+	wconvert(dirname);
+	ret = _wchdir(wdirname);
+	wfree(dirname);
+	return ret;
+}
+
 static __inline FILE* fopenU(const char* filename, const char* mode)
 {
 	FILE* ret = NULL;

src/net.c

@@ -324,7 +324,7 @@ BOOL DownloadFile(const char* url, const char* file, HWND hProgressDialog)
 	}
 	uprintf("File length: %d bytes\n", dwTotalSize);
 
-	fd = fopen(file, "wb");
+	fd = fopenU(file, "wb");
 	if (fd == NULL) {
 		uprintf("Unable to create file '%s': %s\n", file, WinInetErrorString());
 		goto out;

src/rufus.c

@@ -1043,6 +1043,7 @@ DWORD WINAPI ISOScanThread(LPVOID param)
 		safe_free(iso_path);
 		SetMBRProps();
 	} else if (!iso_report.has_syslinux_v5) {	// This check is for Syslinux v4.x or earlier
+		_chdirU(app_dir);
 		for (i=0; i<NB_OLD_C32; i++) {
 			if (iso_report.has_old_c32[i]) {
 				fd = fopen(old_c32_name[i], "rb");
@@ -1054,9 +1055,9 @@ DWORD WINAPI ISOScanThread(LPVOID param)
 				} else {
 					PrintStatus(0, FALSE, "Obsolete %s detected", old_c32_name[i]);
 					safe_sprintf(msgbox, sizeof(msgbox), "This ISO image seems to use an obsolete version of '%s'.\n"
-						"Because of this, boot menus may not display properly.\n\n"
+						"Boot menus may not may not display properly because of this.\n\n"
-						APPLICATION_NAME " can fix this issue by downloading a newer version for you:\n"
+						"A newer version can be downloaded by " APPLICATION_NAME " to fix this issue:\n"
-						"- Choose 'Yes' to connect to the internet and replace the file\n"
+						"- Choose 'Yes' to connect to the internet and download the file\n"
 						"- Choose 'No' to leave the existing ISO file unmodified\n"
 						"If you don't know what to do, you should select 'Yes'.\n\n"
 						"Note: The new file will be downloaded in the current directory and once a "
@@ -1238,6 +1239,7 @@ static BOOL BootCheck(void)
 			return FALSE;
 		}
 	} else if (dt == DT_SYSLINUX_V5) {
+		_chdirU(app_dir);
 		fd = fopen(ldlinux_c32, "rb");
 		if (fd != NULL) {
 			uprintf("Will reuse '%s' for Syslinux v5\n", ldlinux_c32);
@@ -1249,7 +1251,7 @@ static BOOL BootCheck(void)
 				"it is not embedded in " APPLICATION_NAME ".\n\n"
 				APPLICATION_NAME " can download the missing file for you:\n"
 				"- Select 'Yes' to connect to the internet and download the file\n"
-				"- Select 'No' if you will manually copy this file on the drive later\n\n"
+				"- Select 'No' if you want to manually copy this file on the drive later\n\n"
 				"Note: The file will be downloaded in the current directory and once a "
 				"'%s' exists there, it will be reused automatically.\n", ldlinux_c32, ldlinux_c32);
 			safe_sprintf(msgbox_title, sizeof(msgbox_title), "Download %s?", ldlinux_c32);

src/rufus.rc

@@ -30,7 +30,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 IDD_DIALOG DIALOGEX 12, 12, 206, 329
 STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_APPWINDOW
-CAPTION "Rufus v1.3.4.262"
+CAPTION "Rufus v1.3.4.263"
 FONT 8, "MS Shell Dlg", 400, 0, 0x1
 BEGIN
     DEFPUSHBUTTON   "Start",IDC_START,94,291,50,14
@@ -278,8 +278,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,3,4,262
+ FILEVERSION 1,3,4,263
- PRODUCTVERSION 1,3,4,262
+ PRODUCTVERSION 1,3,4,263
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -296,13 +296,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "1.3.4.262"
+            VALUE "FileVersion", "1.3.4.263"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011-2013 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
             VALUE "OriginalFilename", "rufus.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "1.3.4.262"
+            VALUE "ProductVersion", "1.3.4.263"
         END
     END
     BLOCK "VarFileInfo"