delete app

Change-Id: Id4c572809969ebe89e946e88063eaed262cff3f2
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>

1 files changed, 0 insertions, 714 deletions

diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/dso/aix/dso.c b/rubbos/app/httpd-2.0.64/srclib/apr/dso/aix/dso.c
deleted file mode 100644
index 25f6262a..00000000
--- a/rubbos/app/httpd-2.0.64/srclib/apr/dso/aix/dso.c
+++ /dev/null
@@ -1,714 +0,0 @@
-/* Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- *  dso.c -- DSO system function emulation for AIX
- *
- *  This is *only* intended for AIX < 4.3.
- */
-
-/*
- *  Based on libdl (dlfcn.c/dlfcn.h) which is
- *  Copyright (c) 1992,1993,1995,1996,1997,1988
- *  Jens-Uwe Mager, Helios Software GmbH, Hannover, Germany.
- *
- *  Not derived from licensed software.
- *
- *  Permission is granted to freely use, copy, modify, and redistribute
- *  this software, provided that the author is not construed to be liable
- *  for any results of using the software, alterations are clearly marked
- *  as such, and this notice is not modified.
- *
- *  Changes marked with `--jwe' were made on April 7 1996 by
- *  John W. Eaton <jwe@bevo.che.wisc.edu> to support g++ 
- *
- *  Bundled, stripped and adjusted on April 1998 as one single source file 
- *  for inclusion into the Apache HTTP server by 
- *  Ralf S. Engelschall <rse@apache.org>
- *
- *  Added to APR by David Reid April 2000
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/ldr.h>
-#include <a.out.h>
-#include "apr_arch_dso.h"
-#include "apr_portable.h"
-
-#if APR_HAS_DSO
-
-#undef FREAD
-#undef FWRITE
-#include <ldfcn.h>
-
-/*
- * AIX 4.3 does remove some useful definitions from ldfcn.h. Define
- * these here to compensate for that lossage.
- */
-#ifndef BEGINNING
-#define BEGINNING SEEK_SET
-#endif
-#ifndef FSEEK
-#define FSEEK(ldptr,o,p)   fseek(IOPTR(ldptr),(p==BEGINNING)?(OFFSET(ldptr) +o):o,p)
-#endif
-#ifndef FREAD
-#define FREAD(p,s,n,ldptr) fread(p,s,n,IOPTR(ldptr))
-#endif
-
-/*
- * Mode flags for the dlopen routine.
- */
-#undef  RTLD_LAZY
-#define RTLD_LAZY	1	/* lazy function call binding */
-#undef  RTLD_NOW
-#define RTLD_NOW	2	/* immediate function call binding */
-#undef  RTLD_GLOBAL
-#define RTLD_GLOBAL	0x100	/* allow symbols to be global */
-
-/*
- * To be able to initialize, a library may provide a dl_info structure
- * that contains functions to be called to initialize and terminate.
- */
-struct dl_info {
-    void (*init) (void);
-    void (*fini) (void);
-};
-
-/* APR functions...
- *
- * As the AIX functions have been declared in the header file we just
- * add the basic "wrappers" here.
- */
-
-APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
-                                                apr_os_dso_handle_t osdso,
-                                                apr_pool_t *pool)
-{
-    *aprdso = apr_pcalloc(pool, sizeof **aprdso);
-    (*aprdso)->handle = osdso;
-    (*aprdso)->pool = pool;
-    return APR_SUCCESS;
-}
-
-APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
-                                                apr_dso_handle_t *aprdso)
-{
-    *osdso = aprdso->handle;
-    return APR_SUCCESS;
-}
-
-static apr_status_t dso_cleanup(void *thedso)
-{
-    apr_dso_handle_t *dso = thedso;
-
-    if (dso->handle != NULL && dlclose(dso->handle) != 0)
-        return APR_EINIT;
-    dso->handle = NULL;
-
-    return APR_SUCCESS;
-}
-
-APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, 
-                                       const char *path, apr_pool_t *ctx)
-{
-    void *os_handle = dlopen((char *)path, RTLD_NOW | RTLD_GLOBAL);
-
-    *res_handle = apr_pcalloc(ctx, sizeof(*res_handle));
-
-    if(os_handle == NULL) {
-        (*res_handle)->errormsg = dlerror();       
-        return APR_EDSOOPEN;
-    }
-
-    (*res_handle)->handle = (void*)os_handle;
-    (*res_handle)->pool = ctx;
-    (*res_handle)->errormsg = NULL;
-
-    apr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, apr_pool_cleanup_null);
-
-    return APR_SUCCESS;
-}
-
-APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
-{
-    return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
-}
-
-APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, 
-                                      apr_dso_handle_t *handle, 
-                                      const char *symname)
-{
-    void *retval = dlsym(handle->handle, symname);
-
-    if (retval == NULL) {
-        handle->errormsg = dlerror();
-        return APR_ESYMNOTFOUND;
-    }
-
-    *ressym = retval;
-    return APR_SUCCESS;
-}
-
-APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer, apr_size_t buflen)
-{
-    if (dso->errormsg) {
-        apr_cpystrn(buffer, dso->errormsg, buflen);
-        return dso->errormsg;
-    }
-    return "No Error";
-}
-
-
-
-/*
- * We simulate dlopen() et al. through a call to load. Because AIX has
- * no call to find an exported symbol we read the loader section of the
- * loaded module and build a list of exported symbols and their virtual
- * address.
- */
-
-typedef struct {
-    char *name;			/* the symbols's name */
-    void *addr;			/* its relocated virtual address */
-} Export, *ExportPtr;
-
-/*
- * xlC uses the following structure to list its constructors and
- * destructors. This is gleaned from the output of munch.
- */
-typedef struct {
-    void (*init) (void);	/* call static constructors */
-    void (*term) (void);	/* call static destructors */
-} Cdtor, *CdtorPtr;
-
-typedef void (*GccCDtorPtr) (void);
-
-/*
- * The void * handle returned from dlopen is actually a ModulePtr.
- */
-typedef struct Module {
-    struct Module *next;
-    char *name;			/* module name for refcounting */
-    int refCnt;			/* the number of references */
-    void *entry;		/* entry point from load */
-    struct dl_info *info;	/* optional init/terminate functions */
-    CdtorPtr cdtors;		/* optional C++ constructors */
-    GccCDtorPtr gcc_ctor;	/* g++ constructors  --jwe */
-    GccCDtorPtr gcc_dtor;	/* g++ destructors  --jwe */
-    int nExports;		/* the number of exports found */
-    ExportPtr exports;		/* the array of exports */
-} Module, *ModulePtr;
-
-/*
- * We keep a list of all loaded modules to be able to call the fini
- * handlers and destructors at atexit() time.
- */
-static ModulePtr modList;
-
-/*
- * The last error from one of the dl* routines is kept in static
- * variables here. Each error is returned only once to the caller.
- */
-static char errbuf[BUFSIZ];
-static int errvalid;
-
-/*
- * The `fixed' gcc header files on AIX 3.2.5 provide a prototype for
- * strdup().  --jwe
- */
-extern char *strdup(const char *);
-static void caterr(char *);
-static int readExports(ModulePtr);
-static void terminate(void);
-static void *findMain(void);
-
-void *dlopen(const char *path, int mode)
-{
-    register ModulePtr mp;
-    static void *mainModule;
-
-    /*
-     * Upon the first call register a terminate handler that will
-     * close all libraries. Also get a reference to the main module
-     * for use with loadbind.
-     */
-    if (!mainModule) {
-	if ((mainModule = findMain()) == NULL)
-	    return NULL;
-	atexit(terminate);
-    }
-    /*
-     * Scan the list of modules if we have the module already loaded.
-     */
-    for (mp = modList; mp; mp = mp->next)
-	if (strcmp(mp->name, path) == 0) {
-	    mp->refCnt++;
-	    return mp;
-	}
-    if ((mp = (ModulePtr) calloc(1, sizeof(*mp))) == NULL) {
-	errvalid++;
-	strcpy(errbuf, "calloc: ");
-	strcat(errbuf, strerror(errno));
-	return NULL;
-    }
-    if ((mp->name = strdup(path)) == NULL) {
-	errvalid++;
-	strcpy(errbuf, "strdup: ");
-	strcat(errbuf, strerror(errno));
-	free(mp);
-	return NULL;
-    }
-    /*
-     * load should be declared load(const char *...). Thus we
-     * cast the path to a normal char *. Ugly.
-     */
-    if ((mp->entry = (void *) loadAndInit((char *) path, L_NOAUTODEFER, NULL)) == NULL) {
-	free(mp->name);
-	free(mp);
-	errvalid++;
-	strcpy(errbuf, "dlopen: ");
-	strcat(errbuf, path);
-	strcat(errbuf, ": ");
-	/*
-	 * If AIX says the file is not executable, the error
-	 * can be further described by querying the loader about
-	 * the last error.
-	 */
-	if (errno == ENOEXEC) {
-	    char *tmp[BUFSIZ / sizeof(char *)];
-	    if (loadquery(L_GETMESSAGES, tmp, sizeof(tmp)) == -1)
-		strcpy(errbuf, strerror(errno));
-	    else {
-		char **p;
-		for (p = tmp; *p; p++)
-		    caterr(*p);
-	    }
-	}
-	else
-	    strcat(errbuf, strerror(errno));
-	return NULL;
-    }
-    mp->refCnt = 1;
-    mp->next = modList;
-    modList = mp;
-    if (loadbind(0, mainModule, mp->entry) == -1) {
-	dlclose(mp);
-	errvalid++;
-	strcpy(errbuf, "loadbind: ");
-	strcat(errbuf, strerror(errno));
-	return NULL;
-    }
-    /*
-     * If the user wants global binding, loadbind against all other
-     * loaded modules.
-     */
-    if (mode & RTLD_GLOBAL) {
-	register ModulePtr mp1;
-	for (mp1 = mp->next; mp1; mp1 = mp1->next)
-	    if (loadbind(0, mp1->entry, mp->entry) == -1) {
-		dlclose(mp);
-		errvalid++;
-		strcpy(errbuf, "loadbind: ");
-		strcat(errbuf, strerror(errno));
-		return NULL;
-	    }
-    }
-    if (readExports(mp) == -1) {
-	dlclose(mp);
-	return NULL;
-    }
-    /*
-     * If there is a dl_info structure, call the init function.
-     */
-    if (mp->info = (struct dl_info *) dlsym(mp, "dl_info")) {
-	if (mp->info->init)
-	    (*mp->info->init) ();
-    }
-    else
-	errvalid = 0;
-    /*
-     * If the shared object was compiled using xlC we will need
-     * to call static constructors (and later on dlclose destructors).
-     */
-    if (mp->cdtors = (CdtorPtr) dlsym(mp, "__cdtors")) {
-	CdtorPtr cp = mp->cdtors;
-	while (cp->init || cp->term) {
-	    if (cp->init && cp->init != (void (*)(void)) 0xffffffff)
-		(*cp->init) ();
-	    cp++;
-	}
-	/*
-	 * If the shared object was compiled using g++, we will need
-	 * to call global constructors using the _GLOBAL__DI function,
-	 * and later, global destructors using the _GLOBAL_DD
-	 * funciton.  --jwe
-	 */
-    }
-    else if (mp->gcc_ctor = (GccCDtorPtr) dlsym(mp, "_GLOBAL__DI")) {
-	(*mp->gcc_ctor) ();
-	mp->gcc_dtor = (GccCDtorPtr) dlsym(mp, "_GLOBAL__DD");
-    }
-    else
-	errvalid = 0;
-    return mp;
-}
-
-/*
- * Attempt to decipher an AIX loader error message and append it
- * to our static error message buffer.
- */
-static void caterr(char *s)
-{
-    register char *p = s;
-
-    while (*p >= '0' && *p <= '9')
-	p++;
-    switch (atoi(s)) {
-    case L_ERROR_TOOMANY:
-	strcat(errbuf, "to many errors");
-	break;
-    case L_ERROR_NOLIB:
-	strcat(errbuf, "can't load library");
-	strcat(errbuf, p);
-	break;
-    case L_ERROR_UNDEF:
-	strcat(errbuf, "can't find symbol");
-	strcat(errbuf, p);
-	break;
-    case L_ERROR_RLDBAD:
-	strcat(errbuf, "bad RLD");
-	strcat(errbuf, p);
-	break;
-    case L_ERROR_FORMAT:
-	strcat(errbuf, "bad exec format in");
-	strcat(errbuf, p);
-	break;
-    case L_ERROR_ERRNO:
-	strcat(errbuf, strerror(atoi(++p)));
-	break;
-    default:
-	strcat(errbuf, s);
-	break;
-    }
-}
-
-void *dlsym(void *handle, const char *symbol)
-{
-    register ModulePtr mp = (ModulePtr) handle;
-    register ExportPtr ep;
-    register int i;
-
-    /*
-     * Could speed up the search, but I assume that one assigns
-     * the result to function pointers anyways.
-     */
-    for (ep = mp->exports, i = mp->nExports; i; i--, ep++)
-	if (strcmp(ep->name, symbol) == 0)
-	    return ep->addr;
-    errvalid++;
-    strcpy(errbuf, "dlsym: undefined symbol ");
-    strcat(errbuf, symbol);
-    return NULL;
-}
-
-const char *dlerror(void)
-{
-    if (errvalid) {
-	errvalid = 0;
-	return errbuf;
-    }
-    return NULL;
-}
-
-int dlclose(void *handle)
-{
-    register ModulePtr mp = (ModulePtr) handle;
-    int result;
-    register ModulePtr mp1;
-
-    if (--mp->refCnt > 0)
-	return 0;
-    if (mp->info && mp->info->fini)
-	(*mp->info->fini) ();
-    if (mp->cdtors) {
-	CdtorPtr cp = mp->cdtors;
-	while (cp->init || cp->term) {
-	    if (cp->term && cp->init != (void (*)(void)) 0xffffffff)
-		(*cp->term) ();
-	    cp++;
-	}
-	/*
-	 * If the function to handle global destructors for g++
-	 * exists, call it.  --jwe
-	 */
-    }
-    else if (mp->gcc_dtor) {
-	(*mp->gcc_dtor) ();
-    }
-    result = unload(mp->entry);
-    if (result == -1) {
-	errvalid++;
-	strcpy(errbuf, strerror(errno));
-    }
-    if (mp->exports) {
-	register ExportPtr ep;
-	register int i;
-	for (ep = mp->exports, i = mp->nExports; i; i--, ep++)
-	    if (ep->name)
-		free(ep->name);
-	free(mp->exports);
-    }
-    if (mp == modList)
-	modList = mp->next;
-    else {
-	for (mp1 = modList; mp1; mp1 = mp1->next)
-	    if (mp1->next == mp) {
-		mp1->next = mp->next;
-		break;
-	    }
-    }
-    free(mp->name);
-    free(mp);
-    return result;
-}
-
-static void terminate(void)
-{
-    while (modList)
-	dlclose(modList);
-}
-
-/*
- * Build the export table from the XCOFF .loader section.
- */
-static int readExports(ModulePtr mp)
-{
-    LDFILE *ldp = NULL;
-    SCNHDR sh, shdata;
-    LDHDR *lhp;
-    char *ldbuf;
-    LDSYM *ls;
-    int i;
-    ExportPtr ep;
-    struct ld_info *lp;
-    char *buf;
-    int size = 4 * 1024;
-    void *dataorg;
-
-    /*
-     * The module might be loaded due to the LIBPATH
-     * environment variable. Search for the loaded
-     * module using L_GETINFO.
-     */
-    if ((buf = malloc(size)) == NULL) {
-	errvalid++;
-	strcpy(errbuf, "readExports: ");
-	strcat(errbuf, strerror(errno));
-	return -1;
-    }
-    while ((i = loadquery(L_GETINFO, buf, size)) == -1 && errno == ENOMEM) {
-	free(buf);
-	size += 4 * 1024;
-	if ((buf = malloc(size)) == NULL) {
-	    errvalid++;
-	    strcpy(errbuf, "readExports: ");
-	    strcat(errbuf, strerror(errno));
-	    return -1;
-	}
-    }
-    if (i == -1) {
-	errvalid++;
-	strcpy(errbuf, "readExports: ");
-	strcat(errbuf, strerror(errno));
-	free(buf);
-	return -1;
-    }
-    /*
-     * Traverse the list of loaded modules. The entry point
-     * returned by load() does actually point to the TOC
-     * entry contained in the data segment.
-     */
-    lp = (struct ld_info *) buf;
-    while (lp) {
-	if ((unsigned long) mp->entry >= (unsigned long) lp->ldinfo_dataorg &&
-	    (unsigned long) mp->entry < (unsigned long) lp->ldinfo_dataorg +
-	    lp->ldinfo_datasize) {
-	    dataorg = lp->ldinfo_dataorg;
-	    ldp = ldopen(lp->ldinfo_filename, ldp);
-	    break;
-	}
-	if (lp->ldinfo_next == 0)
-	    lp = NULL;
-	else
-	    lp = (struct ld_info *) ((char *) lp + lp->ldinfo_next);
-    }
-    free(buf);
-    if (!ldp) {
-	errvalid++;
-	strcpy(errbuf, "readExports: ");
-	strcat(errbuf, strerror(errno));
-	return -1;
-    }
-    if (TYPE(ldp) != U802TOCMAGIC) {
-	errvalid++;
-	strcpy(errbuf, "readExports: bad magic");
-	while (ldclose(ldp) == FAILURE);
-	return -1;
-    }
-    /*
-     * Get the padding for the data section. This is needed for
-     * AIX 4.1 compilers. This is used when building the final
-     * function pointer to the exported symbol.
-     */
-    if (ldnshread(ldp, _DATA, &shdata) != SUCCESS) {
-	errvalid++;
-	strcpy(errbuf, "readExports: cannot read data section header");
-	while (ldclose(ldp) == FAILURE);
-	return -1;
-    }
-    if (ldnshread(ldp, _LOADER, &sh) != SUCCESS) {
-	errvalid++;
-	strcpy(errbuf, "readExports: cannot read loader section header");
-	while (ldclose(ldp) == FAILURE);
-	return -1;
-    }
-    /*
-     * We read the complete loader section in one chunk, this makes
-     * finding long symbol names residing in the string table easier.
-     */
-    if ((ldbuf = (char *) malloc(sh.s_size)) == NULL) {
-	errvalid++;
-	strcpy(errbuf, "readExports: ");
-	strcat(errbuf, strerror(errno));
-	while (ldclose(ldp) == FAILURE);
-	return -1;
-    }
-    if (FSEEK(ldp, sh.s_scnptr, BEGINNING) != OKFSEEK) {
-	errvalid++;
-	strcpy(errbuf, "readExports: cannot seek to loader section");
-	free(ldbuf);
-	while (ldclose(ldp) == FAILURE);
-	return -1;
-    }
-    if (FREAD(ldbuf, sh.s_size, 1, ldp) != 1) {
-	errvalid++;
-	strcpy(errbuf, "readExports: cannot read loader section");
-	free(ldbuf);
-	while (ldclose(ldp) == FAILURE);
-	return -1;
-    }
-    lhp = (LDHDR *) ldbuf;
-    ls = (LDSYM *) (ldbuf + LDHDRSZ);
-    /*
-     * Count the number of exports to include in our export table.
-     */
-    for (i = lhp->l_nsyms; i; i--, ls++) {
-	if (!LDR_EXPORT(*ls))
-	    continue;
-	mp->nExports++;
-    }
-    if ((mp->exports = (ExportPtr) calloc(mp->nExports, sizeof(*mp->exports))) == NULL) {
-	errvalid++;
-	strcpy(errbuf, "readExports: ");
-	strcat(errbuf, strerror(errno));
-	free(ldbuf);
-	while (ldclose(ldp) == FAILURE);
-	return -1;
-    }
-    /*
-     * Fill in the export table. All entries are relative to
-     * the beginning of the data origin.
-     */
-    ep = mp->exports;
-    ls = (LDSYM *) (ldbuf + LDHDRSZ);
-    for (i = lhp->l_nsyms; i; i--, ls++) {
-	char *symname;
-	char tmpsym[SYMNMLEN + 1];
-	if (!LDR_EXPORT(*ls))
-	    continue;
-	if (ls->l_zeroes == 0)
-	    symname = ls->l_offset + lhp->l_stoff + ldbuf;
-	else {
-	    /*
-	     * The l_name member is not zero terminated, we
-	     * must copy the first SYMNMLEN chars and make
-	     * sure we have a zero byte at the end.
-	     */
-	    strncpy(tmpsym, ls->l_name, SYMNMLEN);
-	    tmpsym[SYMNMLEN] = '\0';
-	    symname = tmpsym;
-	}
-	ep->name = strdup(symname);
-	ep->addr = (void *) ((unsigned long) dataorg +
-			     ls->l_value - shdata.s_vaddr);
-	ep++;
-    }
-    free(ldbuf);
-    while (ldclose(ldp) == FAILURE);
-    return 0;
-}
-
-/*
- * Find the main modules data origin. This is used as export pointer
- * for loadbind() to be able to resolve references to the main part.
- */
-static void *findMain(void)
-{
-    struct ld_info *lp;
-    char *buf;
-    int size = 4 * 1024;
-    int i;
-    void *ret;
-
-    if ((buf = malloc(size)) == NULL) {
-	errvalid++;
-	strcpy(errbuf, "findMain: ");
-	strcat(errbuf, strerror(errno));
-	return NULL;
-    }
-    while ((i = loadquery(L_GETINFO, buf, size)) == -1 && errno == ENOMEM) {
-	free(buf);
-	size += 4 * 1024;
-	if ((buf = malloc(size)) == NULL) {
-	    errvalid++;
-	    strcpy(errbuf, "findMain: ");
-	    strcat(errbuf, strerror(errno));
-	    return NULL;
-	}
-    }
-    if (i == -1) {
-	errvalid++;
-	strcpy(errbuf, "findMain: ");
-	strcat(errbuf, strerror(errno));
-	free(buf);
-	return NULL;
-    }
-    /*
-     * The first entry is the main module. The data segment
-     * starts with the TOC entries for all exports, so the
-     * data segment origin works as argument for loadbind.
-     */
-    lp = (struct ld_info *) buf;
-    ret = lp->ldinfo_dataorg;
-    free(buf);
-    return ret;
-}
-
-#endif