1 files changed, 50 insertions, 11 deletions

diff --git a/src/m_argv.c b/src/m_argv.c
index 4d321bbc..59381b65 100644
--- a/src/m_argv.c
+++ b/src/m_argv.c
@@ -29,7 +29,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "doomdef.h"
+#include "doomtype.h"
 #include "i_system.h"
 #include "m_misc.h"
 
@@ -60,13 +60,25 @@ int M_CheckParmWithArgs(char *check, int num_args)
     return 0;
 }
 
+//
+// M_ParmExists
+//
+// Returns true if the given parameter exists in the program's command
+// line arguments, false if not.
+//
+
+boolean M_ParmExists(char *check)
+{
+    return M_CheckParm(check) != 0;
+}
+
 int M_CheckParm(char *check)
 {
     return M_CheckParmWithArgs(check, 0);
 }
 
 #define MAXARGVS        100
-	
+
 static void LoadResponseFile(int argv_index)
 {
     FILE *handle;
@@ -95,14 +107,23 @@ static void LoadResponseFile(int argv_index)
 
     // Read in the entire file
     // Allocate one byte extra - this is in case there is an argument
-    // at the end of the response file, in which case a '\0' will be 
+    // at the end of the response file, in which case a '\0' will be
     // needed.
 
     file = malloc(size + 1);
 
-    if (fread(file, 1, size, handle) < size)
+    i = 0;
+
+    while (i < size)
     {
-        I_Error("Failed to read entire response file");
+        k = fread(file + i, 1, size - i, handle);
+
+        if (k < 0)
+        {
+            I_Error("Failed to read full contents of '%s'", response_filename);
+        }
+
+        i += k;
     }
 
     fclose(handle);
@@ -120,7 +141,7 @@ static void LoadResponseFile(int argv_index)
         newargv[i] = myargv[i];
         ++newargc;
     }
-    
+
     infile = file;
     k = 0;
 
@@ -131,7 +152,7 @@ static void LoadResponseFile(int argv_index)
         while(k < size && isspace(infile[k]))
         {
             ++k;
-        } 
+        }
 
         if (k >= size)
         {
@@ -142,7 +163,7 @@ static void LoadResponseFile(int argv_index)
         // the contents as a single argument.  This allows long filenames
         // to be specified.
 
-        if (infile[k] == '\"') 
+        if (infile[k] == '\"')
         {
             // Skip the first character(")
             ++k;
@@ -156,9 +177,9 @@ static void LoadResponseFile(int argv_index)
                 ++k;
             }
 
-            if (k >= size || infile[k] == '\n') 
+            if (k >= size || infile[k] == '\n')
             {
-                I_Error("Quotes unclosed in response file '%s'", 
+                I_Error("Quotes unclosed in response file '%s'",
                         response_filename);
             }
 
@@ -184,7 +205,7 @@ static void LoadResponseFile(int argv_index)
 
             ++k;
         }
-    } 
+    }
 
     // Add arguments following the response file argument
 
@@ -227,3 +248,21 @@ void M_FindResponseFile(void)
     }
 }
 
+// Return the name of the executable used to start the program:
+
+char *M_GetExecutableName(void)
+{
+    char *sep;
+
+    sep = strrchr(myargv[0], DIR_SEPARATOR);
+
+    if (sep == NULL)
+    {
+        return myargv[0];
+    }
+    else
+    {
+        return sep + 1;
+    }
+}
+