~ubuntu-branches/ubuntu/feisty/apache2/feisty : contents of srclib/apr/file

~ubuntu-branches/ubuntu/feisty/apache2/feisty : (revision 12)

/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
 * applicable.
 *
 * Licensed 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.
 */

#include "win32/apr_arch_file_io.h"
#include "apr_file_io.h"
#include "apr_general.h"
#include "apr_strings.h"
#include <string.h>
#include "apr_arch_inherit.h"

APR_DECLARE(apr_status_t) apr_file_dup(apr_file_t **new_file,
                                       apr_file_t *old_file, apr_pool_t *p)
{
#ifdef _WIN32_WCE
    return APR_ENOTIMPL;
#else
    HANDLE hproc = GetCurrentProcess();
    HANDLE newhand = NULL;

    if (!DuplicateHandle(hproc, old_file->filehand, 
                         hproc, &newhand, 0, FALSE, 
                         DUPLICATE_SAME_ACCESS)) {
        return apr_get_os_error();
    }

    (*new_file) = (apr_file_t *) apr_pcalloc(p, sizeof(apr_file_t));
    (*new_file)->filehand = newhand;
    (*new_file)->flags = old_file->flags & ~APR_INHERIT;
    (*new_file)->pool = p;
    (*new_file)->fname = apr_pstrdup(p, old_file->fname);
    (*new_file)->append = old_file->append;
    (*new_file)->buffered = FALSE;
    (*new_file)->ungetchar = old_file->ungetchar;

#if APR_HAS_THREADS
    if (old_file->mutex) {
        apr_thread_mutex_create(&((*new_file)->mutex),
                                APR_THREAD_MUTEX_DEFAULT, p);
    }
#endif

    apr_pool_cleanup_register((*new_file)->pool, (void *)(*new_file), file_cleanup,
                        apr_pool_cleanup_null);

    /* Create a pollset with room for one descriptor. */
    /* ### check return codes */
    (void) apr_pollset_create(&(*new_file)->pollset, 1, p, 0);

    return APR_SUCCESS;
#endif /* !defined(_WIN32_WCE) */
}

#define stdin_handle 0x01
#define stdout_handle 0x02
#define stderr_handle 0x04

APR_DECLARE(apr_status_t) apr_file_dup2(apr_file_t *new_file,
                                        apr_file_t *old_file, apr_pool_t *p)
{
#ifdef _WIN32_WCE
    return APR_ENOTIMPL;
#else
    DWORD stdhandle = 0;
    HANDLE hproc = GetCurrentProcess();
    HANDLE newhand = NULL;
    apr_int32_t newflags;

    /* dup2 is not supported literaly with native Windows handles.
     * We can, however, emulate dup2 for the standard i/o handles,
     * and close and replace other handles with duped handles.
     * The os_handle will change, however.
     */
    if (new_file->filehand == GetStdHandle(STD_ERROR_HANDLE)) {
        stdhandle |= stderr_handle;
    }
    if (new_file->filehand == GetStdHandle(STD_OUTPUT_HANDLE)) {
        stdhandle |= stdout_handle;
    }
    if (new_file->filehand == GetStdHandle(STD_INPUT_HANDLE)) {
        stdhandle |= stdin_handle;
    }

    if (stdhandle) {
        if (!DuplicateHandle(hproc, old_file->filehand, 
                             hproc, &newhand, 0,
                             TRUE, DUPLICATE_SAME_ACCESS)) {
            return apr_get_os_error();
        }
        if (((stdhandle & stderr_handle) && !SetStdHandle(STD_ERROR_HANDLE, newhand)) ||
            ((stdhandle & stdout_handle) && !SetStdHandle(STD_OUTPUT_HANDLE, newhand)) ||
            ((stdhandle & stdin_handle) && !SetStdHandle(STD_INPUT_HANDLE, newhand))) {
            return apr_get_os_error();
        }
        newflags = old_file->flags | APR_INHERIT;
    }
    else {
        if (!DuplicateHandle(hproc, old_file->filehand, 
                             hproc, &newhand, 0,
                             FALSE, DUPLICATE_SAME_ACCESS)) {
            return apr_get_os_error();
        }
        newflags = old_file->flags & ~APR_INHERIT;
    }

    if (new_file->filehand && (new_file->filehand != INVALID_HANDLE_VALUE)) {
        CloseHandle(new_file->filehand);
    }

    new_file->flags = newflags;
    new_file->filehand = newhand;
    new_file->fname = apr_pstrdup(new_file->pool, old_file->fname);
    new_file->append = old_file->append;
    new_file->buffered = FALSE;
    new_file->ungetchar = old_file->ungetchar;

#if APR_HAS_THREADS
    if (old_file->mutex) {
        apr_thread_mutex_create(&(new_file->mutex),
                                APR_THREAD_MUTEX_DEFAULT, p);
    }
#endif

    return APR_SUCCESS;
#endif /* !defined(_WIN32_WCE) */
}

APR_DECLARE(apr_status_t) apr_file_setaside(apr_file_t **new_file,
                                            apr_file_t *old_file,
                                            apr_pool_t *p)
{
    *new_file = (apr_file_t *)apr_palloc(p, sizeof(apr_file_t));
    memcpy(*new_file, old_file, sizeof(apr_file_t));
    (*new_file)->pool = p;
    if (old_file->buffered) {
        (*new_file)->buffer = apr_palloc(p, APR_FILE_BUFSIZE);
        if (old_file->direction == 1) {
            memcpy((*new_file)->buffer, old_file->buffer, old_file->bufpos);
        }
        else {
            memcpy((*new_file)->buffer, old_file->buffer, old_file->dataRead);
        }
    }
    if (old_file->mutex) {
        apr_thread_mutex_create(&((*new_file)->mutex),
                                APR_THREAD_MUTEX_DEFAULT, p);
        apr_thread_mutex_destroy(old_file->mutex);
    }
    if (old_file->fname) {
        (*new_file)->fname = apr_pstrdup(p, old_file->fname);
    }
    if (!(old_file->flags & APR_FILE_NOCLEANUP)) {
        apr_pool_cleanup_register(p, (void *)(*new_file), 
                                  file_cleanup,
                                  file_cleanup);
    }

    old_file->filehand = INVALID_HANDLE_VALUE;
    apr_pool_cleanup_kill(old_file->pool, (void *)old_file,
                          file_cleanup);

    /* Create a pollset with room for one descriptor. */
    /* ### check return codes */
    (void) apr_pollset_create(&(*new_file)->pollset, 1, p, 0);

    return APR_SUCCESS;
}

0.6.1 by Andreas Barth Import upstream version 2.2.3	1	/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
	2	* applicable.
	3	*
	4	* Licensed under the Apache License, Version 2.0 (the "License");
	5	* you may not use this file except in compliance with the License.
	6	* You may obtain a copy of the License at
	7	*
	8	* http://www.apache.org/licenses/LICENSE-2.0
	9	*
	10	* Unless required by applicable law or agreed to in writing, software
	11	* distributed under the License is distributed on an "AS IS" BASIS,
	12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	13	* See the License for the specific language governing permissions and
	14	* limitations under the License.
	15	*/
	16
	17	#include "win32/apr_arch_file_io.h"
	18	#include "apr_file_io.h"
	19	#include "apr_general.h"
	20	#include "apr_strings.h"
	21	#include <string.h>
	22	#include "apr_arch_inherit.h"
	23
	24	APR_DECLARE(apr_status_t) apr_file_dup(apr_file_t **new_file,
	25	apr_file_t old_file, apr_pool_t p)
	26	{
	27	#ifdef _WIN32_WCE
	28	return APR_ENOTIMPL;
	29	#else
	30	HANDLE hproc = GetCurrentProcess();
	31	HANDLE newhand = NULL;
	32
	33	if (!DuplicateHandle(hproc, old_file->filehand,
	34	hproc, &newhand, 0, FALSE,
	35	DUPLICATE_SAME_ACCESS)) {
	36	return apr_get_os_error();
	37	}
	38
	39	(new_file) = (apr_file_t ) apr_pcalloc(p, sizeof(apr_file_t));
	40	(*new_file)->filehand = newhand;
	41	(*new_file)->flags = old_file->flags & ~APR_INHERIT;
	42	(*new_file)->pool = p;
	43	(*new_file)->fname = apr_pstrdup(p, old_file->fname);
	44	(*new_file)->append = old_file->append;
	45	(*new_file)->buffered = FALSE;
	46	(*new_file)->ungetchar = old_file->ungetchar;
	47
	48	#if APR_HAS_THREADS
	49	if (old_file->mutex) {
	50	apr_thread_mutex_create(&((*new_file)->mutex),
	51	APR_THREAD_MUTEX_DEFAULT, p);
	52	}
	53	#endif
	54
	55	apr_pool_cleanup_register((new_file)->pool, (void )(*new_file), file_cleanup,
	56	apr_pool_cleanup_null);
	57
	58	/* Create a pollset with room for one descriptor. */
	59	/* ### check return codes */
	60	(void) apr_pollset_create(&(*new_file)->pollset, 1, p, 0);
	61
	62	return APR_SUCCESS;
	63	#endif /* !defined(_WIN32_WCE) */
	64	}
65
66	#define stdin_handle 0x01
67	#define stdout_handle 0x02
68	#define stderr_handle 0x04
69
70	APR_DECLARE(apr_status_t) apr_file_dup2(apr_file_t *new_file,
71	apr_file_t old_file, apr_pool_t p)
72	{
73	#ifdef _WIN32_WCE
74	return APR_ENOTIMPL;
75	#else
76	DWORD stdhandle = 0;
77	HANDLE hproc = GetCurrentProcess();
78	HANDLE newhand = NULL;
79	apr_int32_t newflags;
80
81	/* dup2 is not supported literaly with native Windows handles.
82	* We can, however, emulate dup2 for the standard i/o handles,
83	* and close and replace other handles with duped handles.
84	* The os_handle will change, however.
85	*/
86	if (new_file->filehand == GetStdHandle(STD_ERROR_HANDLE)) {
87	stdhandle \|= stderr_handle;
88	}
89	if (new_file->filehand == GetStdHandle(STD_OUTPUT_HANDLE)) {
90	stdhandle \|= stdout_handle;
91	}
92	if (new_file->filehand == GetStdHandle(STD_INPUT_HANDLE)) {
93	stdhandle \|= stdin_handle;
94	}
95
96	if (stdhandle) {
97	if (!DuplicateHandle(hproc, old_file->filehand,
98	hproc, &newhand, 0,
99	TRUE, DUPLICATE_SAME_ACCESS)) {
100	return apr_get_os_error();
101	}
102	if (((stdhandle & stderr_handle) && !SetStdHandle(STD_ERROR_HANDLE, newhand)) \|\|
103	((stdhandle & stdout_handle) && !SetStdHandle(STD_OUTPUT_HANDLE, newhand)) \|\|
104	((stdhandle & stdin_handle) && !SetStdHandle(STD_INPUT_HANDLE, newhand))) {
105	return apr_get_os_error();
106	}
107	newflags = old_file->flags \| APR_INHERIT;
108	}
109	else {
110	if (!DuplicateHandle(hproc, old_file->filehand,
111	hproc, &newhand, 0,
112	FALSE, DUPLICATE_SAME_ACCESS)) {
113	return apr_get_os_error();
114	}
115	newflags = old_file->flags & ~APR_INHERIT;
116	}
117
118	if (new_file->filehand && (new_file->filehand != INVALID_HANDLE_VALUE)) {
119	CloseHandle(new_file->filehand);
120	}
121
122	new_file->flags = newflags;
123	new_file->filehand = newhand;
124	new_file->fname = apr_pstrdup(new_file->pool, old_file->fname);
125	new_file->append = old_file->append;
126	new_file->buffered = FALSE;
127	new_file->ungetchar = old_file->ungetchar;
128
129	#if APR_HAS_THREADS
130	if (old_file->mutex) {
131	apr_thread_mutex_create(&(new_file->mutex),
132	APR_THREAD_MUTEX_DEFAULT, p);
133	}
134	#endif
135
136	return APR_SUCCESS;
137	#endif /* !defined(_WIN32_WCE) */
138	}
139
140	APR_DECLARE(apr_status_t) apr_file_setaside(apr_file_t **new_file,
141	apr_file_t *old_file,
142	apr_pool_t *p)
143	{
144	new_file = (apr_file_t )apr_palloc(p, sizeof(apr_file_t));
145	memcpy(*new_file, old_file, sizeof(apr_file_t));
146	(*new_file)->pool = p;
147	if (old_file->buffered) {
148	(*new_file)->buffer = apr_palloc(p, APR_FILE_BUFSIZE);
149	if (old_file->direction == 1) {
150	memcpy((*new_file)->buffer, old_file->buffer, old_file->bufpos);
151	}
152	else {
153	memcpy((*new_file)->buffer, old_file->buffer, old_file->dataRead);
154	}
155	}
156	if (old_file->mutex) {
157	apr_thread_mutex_create(&((*new_file)->mutex),
158	APR_THREAD_MUTEX_DEFAULT, p);
159	apr_thread_mutex_destroy(old_file->mutex);
160	}
161	if (old_file->fname) {
162	(*new_file)->fname = apr_pstrdup(p, old_file->fname);
163	}
164	if (!(old_file->flags & APR_FILE_NOCLEANUP)) {
165	apr_pool_cleanup_register(p, (void )(new_file),
166	file_cleanup,
167	file_cleanup);
168	}
169
170	old_file->filehand = INVALID_HANDLE_VALUE;
171	apr_pool_cleanup_kill(old_file->pool, (void *)old_file,
172	file_cleanup);
173
174	/* Create a pollset with room for one descriptor. */
175	/* ### check return codes */
176	(void) apr_pollset_create(&(*new_file)->pollset, 1, p, 0);
177
178	return APR_SUCCESS;
179	}