# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1578916363 -7200
# Node ID 7ad937740139b845e932626932e7b961ec6f676b
# Parent  5c2e77ec45e88af266d21cbbf795625260e5a683
Change how --help option is handled and show currently set HVSC/SLDB/STIL
path information in --help.

diff -r 5c2e77ec45e8 -r 7ad937740139 sidinfo.c
--- a/sidinfo.c	Mon Jan 13 13:40:49 2020 +0200
+++ b/sidinfo.c	Mon Jan 13 13:52:43 2020 +0200
@@ -103,7 +103,8 @@
         optFieldNamePrefix = TRUE,
         optHexadecimal = FALSE,
         optFieldOutput = TRUE,
-        optRecurseDirs = FALSE;
+        optRecurseDirs = FALSE,
+        optShowHelp = FALSE;
 char    *optOneLineFieldSep = NULL,
         *optEscapeChars = NULL;
 int     optNFiles = 0;
@@ -183,7 +184,15 @@
         "as STIL.txt and Songlengths.(txt|md5) will be automatically used from there.\n"
         "You can also set it via HVSC_BASE environment variable, see README.\n"
         "\n"
-        , th_prog_name);
+        "HVSC path   : %s\n"
+        "SLDB file   : %s\n"
+        "STIL file   : %s\n"
+        "\n",
+        th_prog_name,
+        setHVSCPath != NULL ? setHVSCPath : "[not set]",
+        setSLDBPath != NULL ? setSLDBPath : "[not set]",
+        setSTILDBPath != NULL ? setSTILDBPath : "[not set]"
+        );
 }
 
 
@@ -633,8 +642,7 @@
     switch (optN)
     {
     case 0:
-        argShowHelp();
-        exit(0);
+        optShowHelp = TRUE;
         break;
 
     case 1:
@@ -1165,6 +1173,36 @@
     memset(&optFormat, 0, sizeof(optFormat));
     memset(&setChConv, 0, sizeof(setChConv));
 
+    // Parse command line arguments
+    if (!th_args_process(argc, argv, optList, optListN,
+        argHandleOpt, NULL, OPTH_ONLY_OPTS))
+        goto exit;
+
+    // Check if HVSC path is set
+    if (setHVSCPath != NULL)
+    {
+        // Ensure that there is a path separator at the end
+        if (th_strrcasecmp(setHVSCPath, TH_DIR_SEPARATOR_STR) == NULL)
+            th_pstr_printf(&setHVSCPath, "%s%c", setHVSCPath, TH_DIR_SEPARATOR_CHR);
+
+        // If SLDB path is not set, autocheck for .md5 and .txt
+        if (setSLDBPath == NULL)
+            setSLDBPath = sidutil_check_hvsc_file(setHVSCPath, SIDUTIL_SLDB_FILEBASE, ".md5");
+
+        if (setSLDBPath == NULL)
+            setSLDBPath = sidutil_check_hvsc_file(setHVSCPath, SIDUTIL_SLDB_FILEBASE, ".txt");
+
+        if (setSTILDBPath == NULL)
+            setSTILDBPath = sidutil_check_hvsc_file(setHVSCPath, SIDUTIL_STILDB_FILENAME, NULL);
+    }
+
+    // Check if help is requested
+    if (optShowHelp)
+    {
+        argShowHelp();
+        goto exit;
+    }
+
     // Initialize character set conversion
     if ((ret = sidutil_chconv_init(&setChConv, setLang)) != THERR_OK)
     {
@@ -1172,14 +1210,10 @@
             setLang, th_error_str(ret));
     }
 
-    // Parse command line arguments
-    if (!th_args_process(argc, argv, optList, optListN,
-        argHandleOpt, NULL, OPTH_ONLY_OPTS))
-        goto exit;
-
     THMSG(2, "Requested output LANG='%s', use charset conversion=%s\n",
         setChConv.outLang, setChConv.enabled ? "yes" : "no");
 
+    // Check operation mode
     if (optOneLineFieldSep != NULL ||
         (!optFieldOutput && optFormat.nitems > 0))
     {
@@ -1206,24 +1240,7 @@
         }
     }
 
-    // Check if HVSC path is set
-    if (setHVSCPath != NULL)
-    {
-        // Ensure that there is a path separator at the end
-        if (th_strrcasecmp(setHVSCPath, TH_DIR_SEPARATOR_STR) == NULL)
-            th_pstr_printf(&setHVSCPath, "%s%c", setHVSCPath, TH_DIR_SEPARATOR_CHR);
-
-        // If SLDB path is not set, autocheck for .md5 and .txt
-        if (setSLDBPath == NULL)
-            setSLDBPath = sidutil_check_hvsc_file(setHVSCPath, SIDUTIL_SLDB_FILEBASE, ".md5");
-
-        if (setSLDBPath == NULL)
-            setSLDBPath = sidutil_check_hvsc_file(setHVSCPath, SIDUTIL_SLDB_FILEBASE, ".txt");
-
-        if (setSTILDBPath == NULL)
-            setSTILDBPath = sidutil_check_hvsc_file(setHVSCPath, SIDUTIL_STILDB_FILENAME, NULL);
-    }
-
+    // Read SLDB and STILDB
     if (setSLDBPath != NULL)
     {
         // Initialize SLDB