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-rw-r--r--unix/tclLoadOSF.c138
1 files changed, 75 insertions, 63 deletions
diff --git a/unix/tclLoadOSF.c b/unix/tclLoadOSF.c
index cee8c23..37536cf 100644
--- a/unix/tclLoadOSF.c
+++ b/unix/tclLoadOSF.c
@@ -1,10 +1,10 @@
-/*
+/*
* tclLoadOSF.c --
*
- * This procedure provides a version of the TclLoadFile that works
- * under OSF/1 1.0/1.1/1.2 and related systems, utilizing the old OSF/1
- * /sbin/loader and /usr/include/loader.h. OSF/1 versions from 1.3 and
- * on use ELF, rtld, and dlopen()[/usr/include/ldfcn.h].
+ * This function provides a version of the TclLoadFile that works under
+ * OSF/1 1.0/1.1/1.2 and related systems, utilizing the old OSF/1
+ * /sbin/loader and /usr/include/loader.h. OSF/1 versions from 1.3 and on
+ * use ELF, rtld, and dlopen()[/usr/include/ldfcn.h].
*
* This is useful for:
* OSF/1 1.0, 1.1, 1.2 (from OSF)
@@ -13,23 +13,23 @@
* HP OSF/1 1.0 ("Acorn") using COFF
*
* This is likely to be useful for:
- * Paragon OSF/1 (from Intel)
- * HI-OSF/1 (from Hitachi)
+ * Paragon OSF/1 (from Intel)
+ * HI-OSF/1 (from Hitachi)
*
* This is NOT to be used on:
* Digitial Alpha OSF/1 systems
* OSF/1 1.3 or later (from OSF) using ELF
* includes: MK6, MK7, AD2, AD3 (from OSF RI)
*
- * This approach to things was utter @&^#; thankfully,
- * OSF/1 eventually supported dlopen().
+ * This approach to things was utter @&^#; thankfully, OSF/1 eventually
+ * supported dlopen().
*
* John Robert LoVerso <loverso@freebsd.osf.org>
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tclInt.h"
@@ -41,12 +41,12 @@
*
* TclpDlopen --
*
- * Dynamically loads a binary code file into memory and returns
- * a handle to the new code.
+ * Dynamically loads a binary code file into memory and returns a handle
+ * to the new code.
*
* Results:
- * A standard Tcl completion code. If an error occurs, an error
- * message is left in the interp's result.
+ * A standard Tcl completion code. If an error occurs, an error message
+ * is left in the interp's result.
*
* Side effects:
* New code suddenly appears in memory.
@@ -55,59 +55,63 @@
*/
int
-TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
- Tcl_Interp *interp; /* Used for error reporting. */
- Tcl_Obj *pathPtr; /* Name of the file containing the desired
+TclpDlopen(
+ Tcl_Interp *interp, /* Used for error reporting. */
+ Tcl_Obj *pathPtr, /* Name of the file containing the desired
* code (UTF-8). */
- Tcl_LoadHandle *loadHandle; /* Filled with token for dynamically loaded
- * file which will be passed back to
+ Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded
+ * file which will be passed back to
* (*unloadProcPtr)() to unload the file. */
- Tcl_FSUnloadFileProc **unloadProcPtr;
+ Tcl_FSUnloadFileProc **unloadProcPtr)
/* Filled with address of Tcl_FSUnloadFileProc
- * function which should be used for
- * this file. */
+ * function which should be used for this
+ * file. */
{
ldr_module_t lm;
char *pkg;
char *fileName = Tcl_GetString(pathPtr);
CONST char *native;
- /*
+ /*
* First try the full path the user gave us. This is particularly
- * important if the cwd is inside a vfs, and we are trying to load
- * using a relative path.
+ * important if the cwd is inside a vfs, and we are trying to load using a
+ * relative path.
*/
+
native = Tcl_FSGetNativePath(pathPtr);
lm = (Tcl_PackageInitProc *) load(native, LDR_NOFLAGS);
if (lm == LDR_NULL_MODULE) {
- /*
- * Let the OS loader examine the binary search path for
- * whatever string the user gave us which hopefully refers
- * to a file on the binary path
+ /*
+ * Let the OS loader examine the binary search path for whatever
+ * string the user gave us which hopefully refers to a file on the
+ * binary path
*/
+
Tcl_DString ds;
+
native = Tcl_UtfToExternalDString(NULL, fileName, -1, &ds);
lm = (Tcl_PackageInitProc *) load(native, LDR_NOFLAGS);
Tcl_DStringFree(&ds);
}
-
+
if (lm == LDR_NULL_MODULE) {
- Tcl_AppendResult(interp, "couldn't load file \"", fileName,
- "\": ", Tcl_PosixError (interp), (char *) NULL);
+ Tcl_AppendResult(interp, "couldn't load file \"", fileName, "\": ",
+ Tcl_PosixError(interp), NULL);
return TCL_ERROR;
}
*clientDataPtr = NULL;
-
+
/*
* My convention is to use a [OSF loader] package name the same as shlib,
* since the idiots never implemented ldr_lookup() and it is otherwise
* impossible to get a package name given a module.
*
- * I build loadable modules with a makefile rule like
+ * I build loadable modules with a makefile rule like
* ld ... -export $@: -o $@ $(OBJS)
*/
+
if ((pkg = strrchr(fileName, '/')) == NULL) {
pkg = fileName;
} else {
@@ -123,21 +127,22 @@ TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
*
* TclpFindSymbol --
*
- * Looks up a symbol, by name, through a handle associated with
- * a previously loaded piece of code (shared library).
+ * Looks up a symbol, by name, through a handle associated with a
+ * previously loaded piece of code (shared library).
*
* Results:
- * Returns a pointer to the function associated with 'symbol' if
- * it is found. Otherwise returns NULL and may leave an error
- * message in the interp's result.
+ * Returns a pointer to the function associated with 'symbol' if it is
+ * found. Otherwise returns NULL and may leave an error message in the
+ * interp's result.
*
*----------------------------------------------------------------------
*/
-Tcl_PackageInitProc*
-TclpFindSymbol(interp, loadHandle, symbol)
- Tcl_Interp *interp;
- Tcl_LoadHandle loadHandle;
- CONST char *symbol;
+
+Tcl_PackageInitProc *
+TclpFindSymbol(
+ Tcl_Interp *interp,
+ Tcl_LoadHandle loadHandle,
+ CONST char *symbol)
{
return ldr_lookup_package((char *)loadHandle, symbol);
}
@@ -147,9 +152,9 @@ TclpFindSymbol(interp, loadHandle, symbol)
*
* TclpUnloadFile --
*
- * Unloads a dynamically loaded binary code file from memory.
- * Code pointers in the formerly loaded file are no longer valid
- * after calling this function.
+ * Unloads a dynamically loaded binary code file from memory. Code
+ * pointers in the formerly loaded file are no longer valid after calling
+ * this function.
*
* Results:
* None.
@@ -161,11 +166,10 @@ TclpFindSymbol(interp, loadHandle, symbol)
*/
void
-TclpUnloadFile(loadHandle)
- Tcl_LoadHandle loadHandle; /* loadHandle returned by a previous call
- * to TclpDlopen(). The loadHandle is
- * a token that represents the loaded
- * file. */
+TclpUnloadFile(
+ Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to
+ * TclpDlopen(). The loadHandle is a token
+ * that represents the loaded file. */
{
}
@@ -174,14 +178,14 @@ TclpUnloadFile(loadHandle)
*
* TclGuessPackageName --
*
- * If the "load" command is invoked without providing a package
- * name, this procedure is invoked to try to figure it out.
+ * If the "load" command is invoked without providing a package name,
+ * this function is invoked to try to figure it out.
*
* Results:
- * Always returns 0 to indicate that we couldn't figure out a
- * package name; generic code will then try to guess the package
- * from the file name. A return value of 1 would have meant that
- * we figured out the package name and put it in bufPtr.
+ * Always returns 0 to indicate that we couldn't figure out a package
+ * name; generic code will then try to guess the package from the file
+ * name. A return value of 1 would have meant that we figured out the
+ * package name and put it in bufPtr.
*
* Side effects:
* None.
@@ -190,11 +194,19 @@ TclpUnloadFile(loadHandle)
*/
int
-TclGuessPackageName(fileName, bufPtr)
- CONST char *fileName; /* Name of file containing package (already
+TclGuessPackageName(
+ CONST char *fileName, /* Name of file containing package (already
* translated to local form if needed). */
- Tcl_DString *bufPtr; /* Initialized empty dstring. Append
- * package name to this if possible. */
+ Tcl_DString *bufPtr) /* Initialized empty dstring. Append package
+ * name to this if possible. */
{
return 0;
}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */