Changeset 21972 for trunk/src

Timestamp:

Feb 17, 2012, 2:50:41 PM (14 years ago)

Author:

dmik

Message:

Add extra logging to DosQueryModuleHandleStrict().

File:

• trunk/src/odincrt/dos.cpp (modified) (6 diffs)

trunk/src/odincrt/dos.cpp

@@ -18 +18 @@
 
 #include "odincrt.h"
+
+//#define EXTRALOG
+
+#undef dprintf
+#ifdef EXTRALOG
+
+#include <stdio.h>
+#include <stdarg.h>
+
+void dbg(const char *fmt, ...)
+{
+    static FILE *f = 0;
+    if (!f)
+    {
+        f = fopen ("/odin32_odincrt_dos.log", "w+");
+        setbuf (f, NULL);
+    }
+    if (f)
+    {
+        va_list args;
+        va_start (args, fmt);
+        vfprintf (f, fmt, args);
+        fprintf (f, "\n");
+        va_end (args);
+    }
+}
+
+#define dprintf(a) do { dbg a; } while(0)
+
+#else // EXTRALOG
+#define dprintf(a) do {} while(0)
+#endif // EXTRALOG
 
 static BOOL matchModuleName(PCSZ pszFullModname, PCSZ pszModname)
@@ -88 +120 @@
 APIRET WIN32API DosQueryModuleHandleStrict(PCSZ pszModname, PHMODULE pHmod)
 {
+    dprintf(("DosQueryModuleHandleStrict: BEGIN (%s, %p)", pszModname, pHmod));
+
     PPIB ppib;
     APIRET arc = DosGetInfoBlocks(NULL, &ppib);
     if (arc != NO_ERROR)
+    {
+        dprintf(("DosQueryModuleHandleStrict: DosGetInfoBlocks failed with %d", arc));
         return arc;
+    }
 
     *pHmod = NULLHANDLE;
@@ -102 +139 @@
     char *buf = (char *)malloc(64 * 1024);
     if (buf == NULL)
+    {
+        dprintf(("DosQueryModuleHandleStrict: not enough memory"));
         return ERROR_NOT_ENOUGH_MEMORY;
+    }
 
     arc = DosQuerySysState(QS_PROCESS | QS_MTE, QS_MTE,
@@ -108 +148 @@
     if (arc != NO_ERROR)
     {
+        dprintf(("DosQueryModuleHandleStrict: DosQuerySysState failed with %d", arc));
         free(buf);
         return arc;
@@ -126 +167 @@
             if (walkModules(pPtrRec, hmte, pszModname, pHmod))
             {
+                dprintf(("DosQueryModuleHandleStrict: found pHmod %x", *pHmod));
                 arc = NO_ERROR;
                 break;
@@ -137 +179 @@
     }
 
+    dprintf(("DosQueryModuleHandleStrict: END (%d)", arc));
     free(buf);
     return arc;