Changeset 93 for trunk/helper.cpp

Timestamp:

Jul 17, 2021, 9:18:29 PM (4 years ago)

Author:

Gregg Young

Message:

Make sure we can get the path to the help file.

File:

• trunk/helper.cpp (modified) (2 diffs)

trunk/helper.cpp

@@ -25 +25 @@
 {
     HELPINIT   helpInit;
+    PPIB    ppib;
+    char   *ptr;
+   
+    // get the Process Information Block
+    DosGetInfoBlocks(0, &ppib);
+
+    // get a pointer to the environment
+    ptr = ppib->pib_pchenv;
+
+    // loop through the environment strings to find
+    // the null string that terminates it
+    while (*ptr)
+        ptr = strchr(ptr, 0) + 1;
+
+    // the exe's fully-qualified filename starts at the next character
+    ptr++;
 
     // if we return because of an error, Help will be disabled
@@ -46 +62 @@
     helpInit.fShowPanelId        = CMIC_HIDE_PANEL_ID;
 
+    CHAR   fullExeName[CCHMAXPATH];
+    CHAR   *p;;
+    strcpy(fullExeName, ptr);
+    p = strrchr(fullExeName, '\\');
+    if (p)
+        *p = 0;
     CHAR   ach[_MAX_FNAME+_MAX_EXT];
-    sprintf (ach, "%s.hlp", pset->QueryString (SEI_LANGUAGEHELP));
+    sprintf (ach, "%s\\%s.hlp", fullExeName, pset->QueryString (SEI_LANGUAGEHELP));
     helpInit.pszHelpLibraryName  = PSZ (ach);