begriffs open source - cmsis-freertos/blob - Demo/ColdFire_MCF52233

1 /*

4 *

5 * Redistribution and use in source and binary forms, with or without

6 * modification, are permitted provided that the following conditions

7 * are met:

8 * 1. Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * 2. Redistributions in binary form must reproduce the above copyright

11 * notice, this list of conditions and the following disclaimer in the

12 * documentation and/or other materials provided with the distribution.

13 * 3. Neither the name of the Institute nor the names of its contributors

14 * may be used to endorse or promote products derived from this software

15 * without specific prior written permission.

16 *

17 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND

18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

20 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE

21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

27 * SUCH DAMAGE.

28 *

29 * This file is part of the lwIP TCP/IP stack.

30 *

31 * Author: Adam Dunkels <adam@sics.se>

32 *

33 * $Id: httpd-fs.c,v 1.1 2006/06/07 09:13:08 adam Exp $

34 */

36 #include "httpd.h"

37 #include "httpd-fs.h"

38 #include "httpd-fsdata.h"

40 #ifndef NULL

41 #define NULL 0

42 #endif /* NULL */

44 #include "httpd-fsdata.c"

46 #if HTTPD_FS_STATISTICS

47 static u16_t count[HTTPD_FS_NUMFILES];

48 #endif /* HTTPD_FS_STATISTICS */

50 /*-----------------------------------------------------------------------------------*/

51 static u8_t

52 httpd_fs_strcmp(const char *str1, const char *str2)

53 {

54 u8_t i;

55 i = 0;

56 loop:

58 if(str2[i] == 0 ||

59 str1[i] == '\r' ||

60 str1[i] == '\n') {

61 return 0;

62 }

64 if(str1[i] != str2[i]) {

65 return 1;

66 }

69 ++i;

70 goto loop;

71 }

72 /*-----------------------------------------------------------------------------------*/

73 int

74 httpd_fs_open(const char *name, struct httpd_fs_file *file)

75 {

76 #if HTTPD_FS_STATISTICS

77 u16_t i = 0;

78 #endif /* HTTPD_FS_STATISTICS */

79 struct httpd_fsdata_file_noconst *f;

81 for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;

82 f != NULL;

83 f = (struct httpd_fsdata_file_noconst *)f->next) {

85 if(httpd_fs_strcmp(name, f->name) == 0) {

86 file->data = f->data;

87 file->len = f->len;

88 #if HTTPD_FS_STATISTICS

89 ++count[i];

90 #endif /* HTTPD_FS_STATISTICS */

91 return 1;

92 }

93 #if HTTPD_FS_STATISTICS

94 ++i;

95 #endif /* HTTPD_FS_STATISTICS */

97 }

98 return 0;

99 }

100 /*-----------------------------------------------------------------------------------*/

101 void

102 httpd_fs_init(void)

103 {

104 #if HTTPD_FS_STATISTICS

105 u16_t i;

106 for(i = 0; i < HTTPD_FS_NUMFILES; i++) {

107 count[i] = 0;

108 }

109 #endif /* HTTPD_FS_STATISTICS */

110 }

111 /*-----------------------------------------------------------------------------------*/

112 #if HTTPD_FS_STATISTICS

113 u16_t httpd_fs_count

114 (char *name)

115 {

116 struct httpd_fsdata_file_noconst *f;

117 u16_t i;

118

119 i = 0;

120 for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;

121 f != NULL;

122 f = (struct httpd_fsdata_file_noconst *)f->next) {

123

124 if(httpd_fs_strcmp(name, f->name) == 0) {

125 return count[i];

126 }

127 ++i;

128 }

129 return 0;

130 }

131 #endif /* HTTPD_FS_STATISTICS */

132 /*-----------------------------------------------------------------------------------*/