From 12d0857ca05dc11cc17f571d3b1cab942949beb1 Mon Sep 17 00:00:00 2001
From: black <black@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Mon, 28 Jan 2008 01:02:56 +0000
Subject: [PATCH] Make fgets always return the null string on error. Add code
 to FS_Open to fix bad paths (replaces \ with /). The code is nasty and
 #ifdefed out - #define FS_FIX_PATHS to use it.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8028 d7cf8633-e32d-0410-b094-e92efae38249
---
 fs.c        | 13 +++++++++++++
 prvm_cmds.c |  5 +++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/fs.c b/fs.c
index 8fd5d619..8571aed1 100644
--- a/fs.c
+++ b/fs.c
@@ -1819,6 +1819,19 @@ Open a file. The syntax is the same as fopen
 */
 qfile_t* FS_Open (const char* filepath, const char* mode, qboolean quiet, qboolean nonblocking)
 {
+#ifdef FS_FIX_PATHS
+	char fixedFileName[MAX_QPATH];
+	char *d = fixedFileName;
+	// try to fix common mistakes (\ instead of /)
+	for( ; *filepath ; filepath++, d++ )
+		if( *filepath != '\\' )
+			*d = *filepath;
+		else
+			*d = '/';
+	*d = '\0';
+	filepath = fixedFileName;
+#endif
+
 	if (FS_CheckNastyPath(filepath, false))
 	{
 		Con_Printf("FS_Open(\"%s\", \"%s\", %s): nasty filename rejected\n", filepath, mode, quiet ? "true" : "false");
diff --git a/prvm_cmds.c b/prvm_cmds.c
index bfa74e5c..236ffc46 100644
--- a/prvm_cmds.c
+++ b/prvm_cmds.c
@@ -1596,6 +1596,9 @@ void VM_fgets(void)
 
 	VM_SAFEPARMCOUNT(1,VM_fgets);
 
+	// set the return value regardless of any possible errors
+	PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+
 	filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
 	if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
 	{
@@ -1628,8 +1631,6 @@ void VM_fgets(void)
 		Con_Printf("fgets: %s: %s\n", PRVM_NAME, string);
 	if (c >= 0 || end)
 		PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
-	else
-		PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
 /*
-- 
2.39.2