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-rw-r--r--ChangeLog6
-rw-r--r--win/tclWinInit.c64
2 files changed, 69 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index ad0bad1..ff9713f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-11-13 Joe Mistachkin <joe@mistachkin.com>
+
+ * win/tclWinInit.c: also search for the library directory (init.tcl,
+ encodings, etc) relative to the build directory associated with the
+ source checkout.
+
2012-11-10 Miguel Sofer <msofer@users.sf.net>
* generic/tclBasic.c: re-enable bcc-tailcall, after fixing an
diff --git a/win/tclWinInit.c b/win/tclWinInit.c
index d89c98e..f552e2c 100644
--- a/win/tclWinInit.c
+++ b/win/tclWinInit.c
@@ -101,6 +101,10 @@ static TclInitProcessGlobalValueProc InitializeDefaultLibraryDir;
static ProcessGlobalValue defaultLibraryDir =
{0, 0, NULL, NULL, InitializeDefaultLibraryDir, NULL, NULL};
+static TclInitProcessGlobalValueProc InitializeSourceLibraryDir;
+static ProcessGlobalValue sourceLibraryDir =
+ {0, 0, NULL, NULL, InitializeSourceLibraryDir, NULL, NULL};
+
static void AppendEnvironment(Tcl_Obj *listPtr, const char *lib);
static int ToUtf(const WCHAR *wSrc, char *dst);
@@ -175,7 +179,7 @@ TclpInitLibraryPath(
int *lengthPtr,
Tcl_Encoding *encodingPtr)
{
-#define LIBRARY_SIZE 32
+#define LIBRARY_SIZE 64
Tcl_Obj *pathPtr;
char installLib[LIBRARY_SIZE];
const char *bytes;
@@ -206,6 +210,13 @@ TclpInitLibraryPath(
Tcl_ListObjAppendElement(NULL, pathPtr,
TclGetProcessGlobalValue(&defaultLibraryDir));
+ /*
+ * Look for the library in its source checkout location.
+ */
+
+ Tcl_ListObjAppendElement(NULL, pathPtr,
+ TclGetProcessGlobalValue(&sourceLibraryDir));
+
*encodingPtr = NULL;
bytes = Tcl_GetStringFromObj(pathPtr, lengthPtr);
*valuePtr = ckalloc((*lengthPtr) + 1);
@@ -360,6 +371,57 @@ InitializeDefaultLibraryDir(
/*
*---------------------------------------------------------------------------
*
+ * InitializeSourceLibraryDir --
+ *
+ * Locate the Tcl script library default location relative to the
+ * location of the Tcl DLL as it exists in the build output directory
+ * associated with the source checkout.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+static void
+InitializeSourceLibraryDir(
+ char **valuePtr,
+ int *lengthPtr,
+ Tcl_Encoding *encodingPtr)
+{
+ HMODULE hModule = TclWinGetTclInstance();
+ WCHAR wName[MAX_PATH + LIBRARY_SIZE];
+ char name[(MAX_PATH + LIBRARY_SIZE) * TCL_UTF_MAX];
+ char *end, *p;
+
+ if (GetModuleFileNameW(hModule, wName, MAX_PATH) == 0) {
+ GetModuleFileNameA(hModule, name, MAX_PATH);
+ } else {
+ ToUtf(wName, name);
+ }
+
+ end = strrchr(name, '\\');
+ *end = '\0';
+ p = strrchr(name, '\\');
+ if (p != NULL) {
+ end = p;
+ }
+ *end = '\\';
+
+ TclWinNoBackslash(name);
+ sprintf(end + 1, "../library");
+ *lengthPtr = strlen(name);
+ *valuePtr = ckalloc(*lengthPtr + 1);
+ *encodingPtr = NULL;
+ memcpy(*valuePtr, name, (size_t) *lengthPtr + 1);
+}
+
+/*
+ *---------------------------------------------------------------------------
+ *
* ToUtf --
*
* Convert a char string to a UTF string.