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ef416fc2 | 1 | /* |
b19ccc9e | 2 | * "$Id: globals.c 7870 2008-08-27 18:14:10Z mike $" |
ef416fc2 | 3 | * |
4 | * Global variable access routines for the Common UNIX Printing System (CUPS). | |
5 | * | |
c168a833 | 6 | * Copyright 2007-2009 by Apple Inc. |
f7deaa1a | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
19 | * _cupsGlobals() - Return a pointer to thread local storage. | |
20 | * cups_env_init() - Initialize environment variables. | |
21 | * globals_init() - Initialize globals once. | |
22 | * globals_destructor() - Free memory allocated by _cupsGlobals(). | |
23 | */ | |
24 | ||
25 | /* | |
26 | * Include necessary headers... | |
27 | */ | |
28 | ||
29 | #include "http-private.h" | |
30 | #include "globals.h" | |
31 | #include <stdlib.h> | |
32 | ||
33 | ||
34 | /* | |
35 | * 'cups_env_init()' - Initialize environment variables. | |
36 | */ | |
37 | ||
38 | static void | |
39 | cups_env_init(_cups_globals_t *g) /* I - Global data */ | |
40 | { | |
f8b3a85b MS |
41 | #ifdef WIN32 |
42 | HKEY key; /* Registry key */ | |
43 | DWORD size; /* Size of string */ | |
44 | static char installdir[1024], /* Install directory */ | |
45 | confdir[1024], /* Server root directory */ | |
46 | localedir[1024]; /* Locale directory */ | |
47 | ||
48 | ||
49 | /* | |
50 | * Open the registry... | |
51 | */ | |
52 | ||
53 | strcpy(installdir, "C:/Program Files/cups.org"); | |
54 | ||
55 | if (!RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\cups.org", 0, KEY_READ, | |
56 | &key)) | |
57 | { | |
58 | /* | |
59 | * Grab the installation directory... | |
60 | */ | |
61 | ||
62 | size = sizeof(installdir); | |
63 | RegQueryValueEx(key, "installdir", NULL, NULL, installdir, &size); | |
64 | RegCloseKey(key); | |
65 | } | |
66 | ||
67 | snprintf(confdir, sizeof(confdir), "%s/conf", installdir); | |
68 | snprintf(localedir, sizeof(localedir), "%s/locale", installdir); | |
69 | ||
70 | if ((g->cups_datadir = getenv("CUPS_DATADIR")) == NULL) | |
71 | g->cups_datadir = installdir; | |
72 | ||
73 | if ((g->cups_serverbin = getenv("CUPS_SERVERBIN")) == NULL) | |
74 | g->cups_serverbin = installdir; | |
75 | ||
76 | if ((g->cups_serverroot = getenv("CUPS_SERVERROOT")) == NULL) | |
77 | g->cups_serverroot = confdir; | |
78 | ||
79 | if ((g->cups_statedir = getenv("CUPS_STATEDIR")) == NULL) | |
80 | g->cups_statedir = confdir; | |
81 | ||
82 | if ((g->localedir = getenv("LOCALEDIR")) == NULL) | |
83 | g->localedir = localedir; | |
84 | ||
85 | #else | |
ef416fc2 | 86 | if ((g->cups_datadir = getenv("CUPS_DATADIR")) == NULL) |
87 | g->cups_datadir = CUPS_DATADIR; | |
88 | ||
89 | if ((g->cups_serverbin = getenv("CUPS_SERVERBIN")) == NULL) | |
90 | g->cups_serverbin = CUPS_SERVERBIN; | |
91 | ||
92 | if ((g->cups_serverroot = getenv("CUPS_SERVERROOT")) == NULL) | |
93 | g->cups_serverroot = CUPS_SERVERROOT; | |
94 | ||
95 | if ((g->cups_statedir = getenv("CUPS_STATEDIR")) == NULL) | |
96 | g->cups_statedir = CUPS_STATEDIR; | |
97 | ||
98 | if ((g->localedir = getenv("LOCALEDIR")) == NULL) | |
99 | g->localedir = CUPS_LOCALEDIR; | |
f8b3a85b | 100 | #endif /* WIN32 */ |
ef416fc2 | 101 | } |
102 | ||
103 | ||
104 | #ifdef HAVE_PTHREAD_H | |
105 | /* | |
106 | * Implement per-thread globals... | |
107 | */ | |
108 | ||
109 | /* | |
110 | * Local globals... | |
111 | */ | |
112 | ||
113 | static pthread_key_t globals_key = -1; | |
114 | /* Thread local storage key */ | |
115 | static pthread_once_t globals_key_once = PTHREAD_ONCE_INIT; | |
116 | /* One-time initialization object */ | |
117 | ||
118 | ||
119 | /* | |
120 | * Local functions... | |
121 | */ | |
122 | ||
123 | static void globals_init(); | |
124 | static void globals_destructor(void *value); | |
125 | ||
126 | ||
127 | /* | |
128 | * '_cupsGlobals()' - Return a pointer to thread local storage | |
129 | */ | |
130 | ||
131 | _cups_globals_t * /* O - Pointer to global data */ | |
132 | _cupsGlobals(void) | |
133 | { | |
134 | _cups_globals_t *globals; /* Pointer to global data */ | |
135 | ||
136 | ||
137 | /* | |
138 | * Initialize the global data exactly once... | |
139 | */ | |
140 | ||
141 | pthread_once(&globals_key_once, globals_init); | |
142 | ||
143 | /* | |
144 | * See if we have allocated the data yet... | |
145 | */ | |
146 | ||
147 | if ((globals = (_cups_globals_t *)pthread_getspecific(globals_key)) == NULL) | |
148 | { | |
149 | /* | |
150 | * No, allocate memory as set the pointer for the key... | |
151 | */ | |
152 | ||
153 | globals = calloc(1, sizeof(_cups_globals_t)); | |
154 | pthread_setspecific(globals_key, globals); | |
155 | ||
156 | /* | |
157 | * Initialize variables that have non-zero values | |
158 | */ | |
159 | ||
160 | globals->encryption = (http_encryption_t)-1; | |
f11a948a | 161 | globals->password_cb = (cups_password_cb2_t)_cupsGetPassword; |
ef416fc2 | 162 | |
163 | cups_env_init(globals); | |
164 | } | |
165 | ||
166 | /* | |
167 | * Return the pointer to the data... | |
168 | */ | |
169 | ||
170 | return (globals); | |
171 | } | |
172 | ||
173 | ||
174 | /* | |
175 | * 'globals_init()' - Initialize globals once. | |
176 | */ | |
177 | ||
178 | static void | |
179 | globals_init() | |
180 | { | |
181 | pthread_key_create(&globals_key, globals_destructor); | |
182 | } | |
183 | ||
184 | ||
185 | /* | |
186 | * 'globals_destructor()' - Free memory allocated by _cupsGlobals(). | |
187 | */ | |
188 | ||
189 | static void | |
190 | globals_destructor(void *value) /* I - Data to free */ | |
191 | { | |
80ca4592 | 192 | int i; /* Looping var */ |
1f6f3dbc MS |
193 | _ipp_buffer_t *buffer, /* Current IPP read/write buffer */ |
194 | *next; /* Next buffer */ | |
fa73b229 | 195 | _cups_globals_t *cg; /* Global data */ |
196 | ||
197 | ||
198 | cg = (_cups_globals_t *)value; | |
199 | ||
80ca4592 | 200 | httpClose(cg->http); |
201 | ||
202 | for (i = 0; i < 3; i ++) | |
203 | cupsFileClose(cg->stdio_files[i]); | |
fa73b229 | 204 | |
e53920b9 | 205 | if (cg->last_status_message) |
5f64df29 | 206 | _cupsStrFree(cg->last_status_message); |
e53920b9 | 207 | |
757d2cad | 208 | cupsFreeOptions(cg->cupsd_num_settings, cg->cupsd_settings); |
209 | ||
1f6f3dbc MS |
210 | for (buffer = cg->ipp_buffers; buffer; buffer = next) |
211 | { | |
212 | next = buffer->next; | |
213 | free(buffer); | |
214 | } | |
215 | ||
c168a833 MS |
216 | cupsArrayDelete(cg->pwg_size_lut); |
217 | cupsArrayDelete(cg->leg_size_lut); | |
218 | ||
ef416fc2 | 219 | free(value); |
220 | } | |
221 | ||
222 | ||
223 | #else | |
224 | /* | |
225 | * Implement static globals... | |
226 | */ | |
227 | ||
228 | /* | |
229 | * '_cupsGlobals()' - Return a pointer to thread local storage. | |
230 | */ | |
231 | ||
232 | _cups_globals_t * /* O - Pointer to global data */ | |
233 | _cupsGlobals(void) | |
234 | { | |
235 | static _cups_globals_t globals; /* Global data */ | |
236 | static int initialized = 0;/* Global data initialized? */ | |
237 | ||
238 | ||
239 | /* | |
240 | * Initialize global data as needed... | |
241 | */ | |
242 | ||
243 | if (!initialized) | |
244 | { | |
245 | initialized = 1; | |
246 | ||
247 | /* | |
248 | * Initialize global variables... | |
249 | */ | |
250 | ||
251 | memset(&globals, 0, sizeof(globals)); | |
252 | ||
253 | globals.encryption = (http_encryption_t)-1; | |
536bc2c6 | 254 | globals.password_cb = (cups_password_cb2_t)_cupsGetPassword; |
ef416fc2 | 255 | |
256 | cups_env_init(&globals); | |
257 | } | |
258 | ||
259 | return (&globals); | |
260 | } | |
261 | #endif /* HAVE_PTHREAD_H */ | |
262 | ||
263 | ||
264 | /* | |
b19ccc9e | 265 | * End of "$Id: globals.c 7870 2008-08-27 18:14:10Z mike $". |
ef416fc2 | 266 | */ |