diff options
Diffstat (limited to 'src/daemon/https/lgl/read-file.c')
-rw-r--r-- | src/daemon/https/lgl/read-file.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/src/daemon/https/lgl/read-file.c b/src/daemon/https/lgl/read-file.c deleted file mode 100644 index a57bedf5..00000000 --- a/src/daemon/https/lgl/read-file.c +++ /dev/null | |||
@@ -1,136 +0,0 @@ | |||
1 | /* read-file.c -- read file contents into a string | ||
2 | Copyright (C) 2006 Free Software Foundation, Inc. | ||
3 | Written by Simon Josefsson and Bruno Haible. | ||
4 | |||
5 | This program is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU Lesser General Public License as published by | ||
7 | the Free Software Foundation; either version 2.1, or (at your option) | ||
8 | any later version. | ||
9 | |||
10 | This program is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | GNU Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public License | ||
16 | along with this program; if not, write to the Free Software Foundation, | ||
17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
18 | |||
19 | #include "MHD_config.h" | ||
20 | |||
21 | #include "read-file.h" | ||
22 | |||
23 | /* Get realloc, free. */ | ||
24 | #include <stdlib.h> | ||
25 | |||
26 | /* Get errno. */ | ||
27 | #include <errno.h> | ||
28 | |||
29 | /* Read a STREAM and return a newly allocated string with the content, | ||
30 | and set *LENGTH to the length of the string. The string is | ||
31 | zero-terminated, but the terminating zero byte is not counted in | ||
32 | *LENGTH. On errors, *LENGTH is undefined, errno preserves the | ||
33 | values set by system functions (if any), and NULL is returned. */ | ||
34 | char * | ||
35 | fread_file (FILE * stream, size_t * length) | ||
36 | { | ||
37 | char *buf = NULL; | ||
38 | size_t alloc = 0; | ||
39 | size_t size = 0; | ||
40 | int save_errno; | ||
41 | |||
42 | for (;;) | ||
43 | { | ||
44 | size_t count; | ||
45 | size_t requested; | ||
46 | |||
47 | if (size + BUFSIZ + 1 > alloc) | ||
48 | { | ||
49 | char *new_buf; | ||
50 | |||
51 | alloc += alloc / 2; | ||
52 | if (alloc < size + BUFSIZ + 1) | ||
53 | alloc = size + BUFSIZ + 1; | ||
54 | |||
55 | new_buf = realloc (buf, alloc); | ||
56 | if (!new_buf) | ||
57 | { | ||
58 | save_errno = errno; | ||
59 | break; | ||
60 | } | ||
61 | |||
62 | buf = new_buf; | ||
63 | } | ||
64 | |||
65 | requested = alloc - size - 1; | ||
66 | count = fread (buf + size, 1, requested, stream); | ||
67 | size += count; | ||
68 | |||
69 | if (count != requested) | ||
70 | { | ||
71 | save_errno = errno; | ||
72 | if (ferror (stream)) | ||
73 | break; | ||
74 | buf[size] = '\0'; | ||
75 | *length = size; | ||
76 | return buf; | ||
77 | } | ||
78 | } | ||
79 | |||
80 | free (buf); | ||
81 | errno = save_errno; | ||
82 | return NULL; | ||
83 | } | ||
84 | |||
85 | static char * | ||
86 | internal_read_file (const char *filename, size_t * length, const char *mode) | ||
87 | { | ||
88 | FILE *stream = fopen (filename, mode); | ||
89 | char *out; | ||
90 | int save_errno; | ||
91 | |||
92 | if (!stream) | ||
93 | return NULL; | ||
94 | |||
95 | out = fread_file (stream, length); | ||
96 | |||
97 | save_errno = errno; | ||
98 | |||
99 | if (fclose (stream) != 0) | ||
100 | { | ||
101 | if (out) | ||
102 | { | ||
103 | save_errno = errno; | ||
104 | free (out); | ||
105 | } | ||
106 | errno = save_errno; | ||
107 | return NULL; | ||
108 | } | ||
109 | |||
110 | return out; | ||
111 | } | ||
112 | |||
113 | /* Open and read the contents of FILENAME, and return a newly | ||
114 | allocated string with the content, and set *LENGTH to the length of | ||
115 | the string. The string is zero-terminated, but the terminating | ||
116 | zero byte is not counted in *LENGTH. On errors, *LENGTH is | ||
117 | undefined, errno preserves the values set by system functions (if | ||
118 | any), and NULL is returned. */ | ||
119 | char * | ||
120 | read_file (const char *filename, size_t * length) | ||
121 | { | ||
122 | return internal_read_file (filename, length, "r"); | ||
123 | } | ||
124 | |||
125 | /* Open (on non-POSIX systems, in binary mode) and read the contents | ||
126 | of FILENAME, and return a newly allocated string with the content, | ||
127 | and set LENGTH to the length of the string. The string is | ||
128 | zero-terminated, but the terminating zero byte is not counted in | ||
129 | the LENGTH variable. On errors, *LENGTH is undefined, errno | ||
130 | preserves the values set by system functions (if any), and NULL is | ||
131 | returned. */ | ||
132 | char * | ||
133 | read_binary_file (const char *filename, size_t * length) | ||
134 | { | ||
135 | return internal_read_file (filename, length, "rb"); | ||
136 | } | ||