From e5241a144e28fd3aaa803a592eb4656eddc53a27 Mon Sep 17 00:00:00 2001
From: dshaligram <dshaligram@c06c8d41-db1a-0410-9941-cceddc491573>
Date: Tue, 12 Dec 2006 10:39:05 +0000
Subject: Added -scorefile option to pass in a highscore file on the
 command-line for use with -[tv]scores.

hiscores.cc silently ignores uids that don't exist on the current machine,
instead of segfaulting.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@618 c06c8d41-db1a-0410-9941-cceddc491573
---
 crawl-ref/source/hiscores.cc | 53 ++++++++++++++++++++++++++------------------
 1 file changed, 32 insertions(+), 21 deletions(-)

(limited to 'crawl-ref/source/hiscores.cc')

diff --git a/crawl-ref/source/hiscores.cc b/crawl-ref/source/hiscores.cc
index 0ddc5f495f..8ebe79f1c6 100644
--- a/crawl-ref/source/hiscores.cc
+++ b/crawl-ref/source/hiscores.cc
@@ -64,8 +64,9 @@ static scorefile_entry hs_list[SCORE_FILE_ENTRIES];
 // highscore printing (always -1 when run from command line).
 static int newest_entry = -1;
 
-static FILE *hs_open(const char *mode, const char *filename);
-static void hs_close(FILE *handle, const char *mode, const char *filename);
+static FILE *hs_open(const char *mode, const std::string &filename);
+static void hs_close(FILE *handle, const char *mode,
+                     const std::string &filename);
 static bool hs_read(FILE *scores, scorefile_entry &dest);
 static void hs_parse_numeric(char *inbuf, scorefile_entry &dest);
 static void hs_parse_string(char *inbuf, scorefile_entry &dest);
@@ -89,6 +90,19 @@ static bool lock_file_handle( FILE *handle, int type );
 static bool unlock_file_handle( FILE *handle );
 #endif // USE_FILE_LOCKING
 
+std::string score_file_name()
+{
+    if (!SysEnv.scorefile.empty())
+        return (SysEnv.scorefile);
+    
+    return (Options.save_dir + "scores");
+}
+
+std::string log_file_name()
+{
+    return (Options.save_dir + "logfile");
+}
+
 void hiscores_new_entry( const scorefile_entry &ne )
 {
     FILE *scores;
@@ -96,7 +110,7 @@ void hiscores_new_entry( const scorefile_entry &ne )
     bool inserted = false;
 
     // open highscore file (reading) -- note that NULL is not fatal!
-    scores = hs_open("r", "scores");
+    scores = hs_open("r", score_file_name());
 
     for (i = 0; i < SCORE_FILE_ENTRIES; ++i)
         hs_list[i].reset();
@@ -139,10 +153,10 @@ void hiscores_new_entry( const scorefile_entry &ne )
     total_entries = i;
 
     // close so we can re-open for writing
-    hs_close(scores,"r", "scores");
+    hs_close(scores,"r", score_file_name());
 
     // open highscore file (writing) -- NULL *is* fatal here.
-    scores = hs_open("w", "scores");
+    scores = hs_open("w", score_file_name());
     if (scores == NULL)
     {
         perror("Entry not added - failure opening score file for writing.");
@@ -156,7 +170,7 @@ void hiscores_new_entry( const scorefile_entry &ne )
     }
 
     // close scorefile.
-    hs_close(scores, "w", "scores");
+    hs_close(scores, "w", score_file_name());
 }
 
 void logfile_new_entry( const scorefile_entry &ne )
@@ -165,7 +179,7 @@ void logfile_new_entry( const scorefile_entry &ne )
     scorefile_entry le = ne;
 
     // open logfile (appending) -- NULL *is* fatal here.
-    logfile = hs_open("a", "logfile");
+    logfile = hs_open("a", log_file_name());
     if (logfile == NULL)
     {
         perror("Entry not added - failure opening logfile for appending.");
@@ -175,7 +189,7 @@ void logfile_new_entry( const scorefile_entry &ne )
     hs_write(logfile, le);
 
     // close logfile.
-    hs_close(logfile, "a", "logfile");
+    hs_close(logfile, "a", log_file_name());
 }
 
 void hiscores_print_list( int display_count, int format )
@@ -188,7 +202,7 @@ void hiscores_print_list( int display_count, int format )
         display_count = SCORE_FILE_ENTRIES;
 
     // open highscore file (reading)
-    scores = hs_open("r", "scores");
+    scores = hs_open("r", score_file_name());
     if (scores == NULL)
     {
         // will only happen from command line
@@ -205,7 +219,7 @@ void hiscores_print_list( int display_count, int format )
     total_entries = i;
 
     // close off
-    hs_close( scores, "r", "scores" );
+    hs_close( scores, "r", score_file_name() );
 
     if (!use_printf) 
         textcolor(LIGHTGREY);
@@ -402,10 +416,8 @@ static bool unlock_file_handle( FILE *handle )
 
 
 
-FILE *hs_open( const char *mode, const char *filename )
+FILE *hs_open( const char *mode, const std::string &scores )
 {
-    const std::string scores = Options.save_dir + filename;
-
     FILE *handle = fopen(scores.c_str(), mode);
 #ifdef SHARED_FILES_CHMOD_PUBLIC
     chmod(scores.c_str(), SHARED_FILES_CHMOD_PUBLIC);
@@ -426,7 +438,7 @@ FILE *hs_open( const char *mode, const char *filename )
     return handle;
 }
 
-void hs_close( FILE *handle, const char *mode, const char *filename )
+void hs_close( FILE *handle, const char *mode, const std::string &scores )
 {
     UNUSED( mode );
 
@@ -442,11 +454,7 @@ void hs_close( FILE *handle, const char *mode, const char *filename )
 
 #ifdef SHARED_FILES_CHMOD_PUBLIC
     if (stricmp(mode, "w") == 0)
-    {
-        std::string scores = Options.save_dir;
-        scores += filename;
         chmod(scores.c_str(), SHARED_FILES_CHMOD_PUBLIC);
-    }
 #endif
 }
 
@@ -1367,9 +1375,12 @@ std::string scorefile_entry::game_time(death_desc_verbosity verbosity) const
             if (uid > 0)
             {
                 struct passwd *pw_entry = getpwuid( uid );
-                strncpy( username, pw_entry->pw_name, sizeof(username) );
-                strncat( username, "'s", sizeof(username) );
-                username[0] = toupper( username[0] );
+                if (pw_entry)
+                {
+                    strncpy( username, pw_entry->pw_name, sizeof(username) );
+                    strncat( username, "'s", sizeof(username) );
+                    username[0] = toupper( username[0] );
+                }
             }
 #endif
 
-- 
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