URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [libnetworking/] [rtems_webserver/] [rom.c] - Blame information for rev 1778

Go to most recent revision | Details | Compare with Previous | View Log


/*
 * rom.c -- Support for ROMed page retrieval.
 *
 * Copyright (c) GoAhead Software Inc., 1995-2000. All Rights Reserved.
 *
 * See the file "license.txt" for usage and redistribution license requirements
 */
 
/******************************** Description *********************************/
 
/*
 *      This module provides web page retrieval from compiled web pages. Use the
 *      webcomp program to compile web pages and link into the GoAhead WebServer.
 *      This module uses a hashed symbol table for fast page lookup.
 *
 *      Usage: webcomp -f webPageFileList -p Prefix >webrom.c
 */
 
/********************************* Includes ***********************************/
 
#include        <stdlib.h>
 
#include        "wsIntrn.h"
 
/******************************** Local Data **********************************/
 
#if WEBS_PAGE_ROM
 
sym_fd_t        romTab;                                         /* Symbol table for web pages */
 
/*********************************** Code *************************************/
/*
 *      Open the ROM module
 */
 
int websRomOpen()
{
        websRomPageIndexType    *wip;
        int                                             nchars;
        char_t                                  name[SYM_MAX];
 
        romTab = symOpen(WEBS_SYM_INIT);
 
        for (wip = websRomPageIndex; wip->path; wip++) {
                gstrncpy(name, wip->path, SYM_MAX);
                nchars = gstrlen(name) - 1;
                if (nchars > 0 &&
                        (name[nchars] == '/' || name[nchars] == '\\')) {
                        name[nchars] = '\0';
                }
                symEnter(romTab, name, valueInteger((int) wip), 0);
        }
        return 0;
}
 
/******************************************************************************/
/*
 *      Close the ROM module
 */
 
void websRomClose()
{
        symClose(romTab);
}
 
/******************************************************************************/
/*
 *      Open a web page
 */
 
int websRomPageOpen(webs_t wp, char_t *path, int mode, int perm)
{
        websRomPageIndexType    *wip;
        sym_t                                   *sp;
 
        a_assert(websValid(wp));
        a_assert(path && *path);
 
        if ((sp = symLookup(romTab, path)) == NULL) {
                return -1;
        }
        wip = (websRomPageIndexType*) sp->content.value.integer;
        wip->pos = 0;
        return (wp->docfd = wip - websRomPageIndex);
}
 
/******************************************************************************/
/*
 *      Close a web page
 */
 
void websRomPageClose(int fd)
{
}
 
/******************************************************************************/
/*
 *      Stat a web page
 */
 
int websRomPageStat(char_t *path, websStatType *sbuf)
{
        websRomPageIndexType    *wip;
        sym_t                                   *sp;
 
        a_assert(path && *path);
 
        if ((sp = symLookup(romTab, path)) == NULL) {
                return -1;
        }
        wip = (websRomPageIndexType*) sp->content.value.integer;
 
        memset(sbuf, 0, sizeof(websStatType));
        sbuf->size = wip->size;
        if (wip->page == NULL) {
                sbuf->isDir = 1;
        }
        return 0;
}
 
/******************************************************************************/
/*
 *      Read a web page
 */
 
int websRomPageReadData(webs_t wp, char *buf, int nBytes)
{
        websRomPageIndexType    *wip;
        int                                             len;
 
        a_assert(websValid(wp));
        a_assert(buf);
        a_assert(wp->docfd >= 0);
 
        wip = &websRomPageIndex[wp->docfd];
 
        len = min(wip->size - wip->pos, nBytes);
        memcpy(buf, &wip->page[wip->pos], len);
        wip->pos += len;
        return len;
}
 
/******************************************************************************/
/*
 *      Position a web page
 */
 
long websRomPageSeek(webs_t wp, long offset, int origin)
{
        websRomPageIndexType    *wip;
        long pos;
 
        a_assert(websValid(wp));
        a_assert(origin == SEEK_SET || origin == SEEK_CUR || origin == SEEK_END);
        a_assert(wp->docfd >= 0);
 
        wip = &websRomPageIndex[wp->docfd];
 
        if (origin != SEEK_SET && origin != SEEK_CUR && origin != SEEK_END) {
                errno = EINVAL;
                return -1;
        }
 
        if (wp->docfd < 0) {
                errno = EBADF;
                return -1;
        }
 
        pos = offset;
        switch (origin) {
        case SEEK_CUR:
                pos = wip->pos + offset;
                break;
        case SEEK_END:
                pos = wip->size + offset;
                break;
        default:
                break;
        }
 
        if (pos < 0) {
                errno = EBADF;
                return -1;
        }
 
        return (wip->pos = pos);
}
 
#endif /* WEBS_PAGE_ROM */
 
/******************************************************************************/

Line No.	Rev	Author	Line
1	1026	ivang	`/*`
2			`* rom.c -- Support for ROMed page retrieval.`
3			`*`
4			`* Copyright (c) GoAhead Software Inc., 1995-2000. All Rights Reserved.`
5			`*`
6			`* See the file "license.txt" for usage and redistribution license requirements`
7			`*/`
8
9			`/****************************** Description *******************************/`
10
11			`/*`
12			`* This module provides web page retrieval from compiled web pages. Use the`
13			`* webcomp program to compile web pages and link into the GoAhead WebServer.`
14			`* This module uses a hashed symbol table for fast page lookup.`
15			`*`
16			`* Usage: webcomp -f webPageFileList -p Prefix >webrom.c`
17			`*/`
18
19			`/******************************* Includes *********************************/`
20
21			`#include <stdlib.h>`
22
23			`#include "wsIntrn.h"`
24
25			`/****************************** Local Data ********************************/`
26
27			`#if WEBS_PAGE_ROM`
28
29			`sym_fd_t romTab; /* Symbol table for web pages */`
30
31			`/********************************* Code ***********************************/`
32			`/*`
33			`* Open the ROM module`
34			`*/`
35
36			`int websRomOpen()`
37			`{`
38			`websRomPageIndexType *wip;`
39			`int nchars;`
40			`char_t name[SYM_MAX];`
41
42			`romTab = symOpen(WEBS_SYM_INIT);`
43
44			`for (wip = websRomPageIndex; wip->path; wip++) {`
45			`gstrncpy(name, wip->path, SYM_MAX);`
46			`nchars = gstrlen(name) - 1;`
47			`if (nchars > 0 &&`
48			`(name[nchars] == '/' \|\| name[nchars] == '\\')) {`
49			`name[nchars] = '\0';`
50			`}`
51			`symEnter(romTab, name, valueInteger((int) wip), 0);`
52			`}`
53			`return 0;`
54			`}`
55
56			`/******************************************************************************/`
57			`/*`
58			`* Close the ROM module`
59			`*/`
60
61			`void websRomClose()`
62			`{`
63			`symClose(romTab);`
64			`}`
65
66			`/******************************************************************************/`
67			`/*`
68			`* Open a web page`
69			`*/`
70
71			`int websRomPageOpen(webs_t wp, char_t *path, int mode, int perm)`
72			`{`
73			`websRomPageIndexType *wip;`
74			`sym_t *sp;`
75
76			`a_assert(websValid(wp));`
77			`a_assert(path && *path);`
78
79			`if ((sp = symLookup(romTab, path)) == NULL) {`
80			`return -1;`
81			`}`
82			`wip = (websRomPageIndexType*) sp->content.value.integer;`
83			`wip->pos = 0;`
84			`return (wp->docfd = wip - websRomPageIndex);`
85			`}`
86
87			`/******************************************************************************/`
88			`/*`
89			`* Close a web page`
90			`*/`
91
92			`void websRomPageClose(int fd)`
93			`{`
94			`}`
95
96			`/******************************************************************************/`
97			`/*`
98			`* Stat a web page`
99			`*/`
100
101			`int websRomPageStat(char_t path, websStatType sbuf)`
102			`{`
103			`websRomPageIndexType *wip;`
104			`sym_t *sp;`
105
106			`a_assert(path && *path);`
107
108			`if ((sp = symLookup(romTab, path)) == NULL) {`
109			`return -1;`
110			`}`
111			`wip = (websRomPageIndexType*) sp->content.value.integer;`
112
113			`memset(sbuf, 0, sizeof(websStatType));`
114			`sbuf->size = wip->size;`
115			`if (wip->page == NULL) {`
116			`sbuf->isDir = 1;`
117			`}`
118			`return 0;`
119			`}`
120
121			`/******************************************************************************/`
122			`/*`
123			`* Read a web page`
124			`*/`
125
126			`int websRomPageReadData(webs_t wp, char *buf, int nBytes)`
127			`{`
128			`websRomPageIndexType *wip;`
129			`int len;`
130
131			`a_assert(websValid(wp));`
132			`a_assert(buf);`
133			`a_assert(wp->docfd >= 0);`
134
135			`wip = &websRomPageIndex[wp->docfd];`
136
137			`len = min(wip->size - wip->pos, nBytes);`
138			`memcpy(buf, &wip->page[wip->pos], len);`
139			`wip->pos += len;`
140			`return len;`
141			`}`
142
143			`/******************************************************************************/`
144			`/*`
145			`* Position a web page`
146			`*/`
147
148			`long websRomPageSeek(webs_t wp, long offset, int origin)`
149			`{`
150			`websRomPageIndexType *wip;`
151			`long pos;`
152
153			`a_assert(websValid(wp));`
154			`a_assert(origin == SEEK_SET \|\| origin == SEEK_CUR \|\| origin == SEEK_END);`
155			`a_assert(wp->docfd >= 0);`
156
157			`wip = &websRomPageIndex[wp->docfd];`
158
159			`if (origin != SEEK_SET && origin != SEEK_CUR && origin != SEEK_END) {`
160			`errno = EINVAL;`
161			`return -1;`
162			`}`
163
164			`if (wp->docfd < 0) {`
165			`errno = EBADF;`
166			`return -1;`
167			`}`
168
169			`pos = offset;`
170			`switch (origin) {`
171			`case SEEK_CUR:`
172			`pos = wip->pos + offset;`
173			`break;`
174			`case SEEK_END:`
175			`pos = wip->size + offset;`
176			`break;`
177			`default:`
178			`break;`
179			`}`
180
181			`if (pos < 0) {`
182			`errno = EBADF;`
183			`return -1;`
184			`}`
185
186			`return (wip->pos = pos);`
187			`}`
188
189			`#endif /* WEBS_PAGE_ROM */`
190
191			`/******************************************************************************/`

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [libnetworking/] [rtems_webserver/] [rom.c] - Blame information for rev 1778