|
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1 | |
1 | /* |
2 | /* |
2 | * static char *rcsid_porting_c = |
3 | * static char *rcsid_porting_c = |
3 | * "$Id: porting.C,v 1.3 2006/08/30 16:30:37 root Exp $"; |
4 | * "$Id: porting.C,v 1.6 2006/09/12 23:22:32 root Exp $"; |
4 | */ |
5 | */ |
5 | |
6 | |
6 | /* |
7 | /* |
7 | CrossFire, A Multiplayer game for X-windows |
8 | CrossFire, A Multiplayer game for X-windows |
8 | |
9 | |
… | |
… | |
32 | * nasty system dependent stuff is contained here, with the program |
33 | * nasty system dependent stuff is contained here, with the program |
33 | * calling these functions. |
34 | * calling these functions. |
34 | */ |
35 | */ |
35 | |
36 | |
36 | |
37 | |
37 | #ifdef WIN32 /* ---win32 exclude/include headers */ |
38 | #ifdef WIN32 /* ---win32 exclude/include headers */ |
38 | #include "process.h" |
39 | # include "process.h" |
39 | #define pid_t int /* we include it non global, because there is a redefinition in python.h */ |
40 | # define pid_t int /* we include it non global, because there is a redefinition in python.h */ |
40 | #else |
41 | #else |
41 | #include <ctype.h> |
42 | # include <ctype.h> |
42 | #include <sys/stat.h> |
43 | # include <sys/stat.h> |
43 | #include <sys/wait.h> |
44 | # include <sys/wait.h> |
44 | |
45 | |
45 | #include <sys/param.h> |
46 | # include <sys/param.h> |
46 | #include <stdio.h> |
47 | # include <stdio.h> |
47 | |
48 | |
48 | /* Need to pull in the HAVE_... values somehow */ |
49 | /* Need to pull in the HAVE_... values somehow */ |
|
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50 | |
49 | /* win32 reminder: always put this in a ifndef win32 block */ |
51 | /* win32 reminder: always put this in a ifndef win32 block */ |
50 | #include <autoconf.h> |
52 | # include <autoconf.h> |
51 | #endif |
53 | #endif |
52 | |
54 | |
53 | |
55 | |
54 | #ifdef HAVE_STDLIB_H |
56 | #ifdef HAVE_STDLIB_H |
55 | #include <stdlib.h> |
57 | # include <stdlib.h> |
56 | #endif |
58 | #endif |
57 | |
59 | |
58 | #ifdef HAVE_UNISTD_H |
60 | #ifdef HAVE_UNISTD_H |
59 | #include <unistd.h> |
61 | # include <unistd.h> |
60 | #endif |
62 | #endif |
61 | |
63 | |
62 | #include <stdarg.h> |
64 | #include <stdarg.h> |
|
|
65 | |
63 | /* Has to be after above includes so we don't redefine some values */ |
66 | /* Has to be after above includes so we don't redefine some values */ |
64 | #include "global.h" |
67 | #include "global.h" |
65 | |
68 | |
66 | static unsigned int curtmp = 0; |
69 | static unsigned int curtmp = 0; |
67 | |
70 | |
… | |
… | |
72 | /* |
75 | /* |
73 | * A replacement for the tempnam() function since it's not defined |
76 | * A replacement for the tempnam() function since it's not defined |
74 | * at some unix variants. |
77 | * at some unix variants. |
75 | */ |
78 | */ |
76 | |
79 | |
|
|
80 | char * |
77 | char *tempnam_local(const char *dir, const char *pfx) |
81 | tempnam_local (const char *dir, const char *pfx) |
78 | { |
82 | { |
79 | char *name; |
83 | char *name; |
80 | pid_t pid=getpid(); |
84 | pid_t pid = getpid (); |
81 | |
85 | |
82 | /* HURD does not have a hard limit, but we do */ |
86 | /* HURD does not have a hard limit, but we do */ |
83 | #ifndef MAXPATHLEN |
87 | #ifndef MAXPATHLEN |
84 | #define MAXPATHLEN 4096 |
88 | # define MAXPATHLEN 4096 |
85 | #endif |
89 | #endif |
86 | |
90 | |
87 | if (!(name = (char *) malloc(MAXPATHLEN))) |
91 | if (!(name = (char *) malloc (MAXPATHLEN))) |
88 | return(NULL); |
92 | return (NULL); |
89 | |
93 | |
90 | if (!pfx) |
94 | if (!pfx) |
91 | pfx = "cftmp."; |
95 | pfx = "cftmp."; |
92 | |
96 | |
93 | /* This is a pretty simple method - put the pid as a hex digit and |
97 | /* This is a pretty simple method - put the pid as a hex digit and |
94 | * just keep incrementing the last digit. Check to see if the file |
98 | * just keep incrementing the last digit. Check to see if the file |
95 | * already exists - if so, we'll just keep looking - eventually we should |
99 | * already exists - if so, we'll just keep looking - eventually we should |
96 | * find one that is free. |
100 | * find one that is free. |
97 | */ |
101 | */ |
98 | if (dir!=NULL) { |
102 | if (dir != NULL) |
|
|
103 | { |
|
|
104 | do |
99 | do { |
105 | { |
100 | #ifdef HAVE_SNPRINTF |
106 | #ifdef HAVE_SNPRINTF |
101 | (void)snprintf(name, MAXPATHLEN, "%s/%s%hx.%d", dir, pfx, pid, curtmp); |
107 | (void) snprintf (name, MAXPATHLEN, "%s/%s%hx.%d", dir, pfx, pid, curtmp); |
102 | #else |
108 | #else |
103 | (void)sprintf(name,"%s/%s%hx%d", dir, pfx, pid, curtmp); |
109 | (void) sprintf (name, "%s/%s%hx%d", dir, pfx, pid, curtmp); |
104 | #endif |
110 | #endif |
105 | curtmp++; |
111 | curtmp++; |
|
|
112 | } |
106 | } while (access(name, F_OK)!=-1); |
113 | while (access (name, F_OK) != -1); |
107 | return(name); |
114 | return (name); |
108 | } |
115 | } |
109 | return(NULL); |
116 | return (NULL); |
110 | } |
117 | } |
111 | |
118 | |
112 | |
119 | |
113 | |
120 | |
114 | /* This function removes everything in the directory. */ |
121 | /* This function removes everything in the directory. */ |
|
|
122 | void |
115 | void remove_directory(const char *path) |
123 | remove_directory (const char *path) |
116 | { |
124 | { |
117 | DIR *dirp; |
125 | DIR *dirp; |
118 | char buf[MAX_BUF]; |
126 | char buf[MAX_BUF]; |
119 | struct stat statbuf; |
127 | struct stat statbuf; |
120 | int status; |
128 | int status; |
121 | |
129 | |
122 | if ((dirp=opendir(path))!=NULL) { |
130 | if ((dirp = opendir (path)) != NULL) |
|
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131 | { |
123 | struct dirent *de; |
132 | struct dirent *de; |
124 | |
133 | |
125 | for (de=readdir(dirp); de; de = readdir(dirp)) { |
134 | for (de = readdir (dirp); de; de = readdir (dirp)) |
|
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135 | { |
126 | /* Don't remove '.' or '..' In theory we should do a better |
136 | /* Don't remove '.' or '..' In theory we should do a better |
127 | * check for .., but the directories we are removing are fairly |
137 | * check for .., but the directories we are removing are fairly |
128 | * limited and should not have dot files in them. |
138 | * limited and should not have dot files in them. |
129 | */ |
139 | */ |
130 | if (de->d_name[0] == '.') continue; |
140 | if (de->d_name[0] == '.') |
|
|
141 | continue; |
131 | |
142 | |
132 | /* Linux actually has a type field in the dirent structure, |
143 | /* Linux actually has a type field in the dirent structure, |
133 | * but that is not portable - stat should be portable |
144 | * but that is not portable - stat should be portable |
134 | */ |
145 | */ |
135 | status=stat(de->d_name, &statbuf); |
146 | status = stat (de->d_name, &statbuf); |
136 | if ((status!=-1) && (S_ISDIR(statbuf.st_mode))) { |
147 | if ((status != -1) && (S_ISDIR (statbuf.st_mode))) |
|
|
148 | { |
137 | sprintf(buf,"%s/%s", path, de->d_name); |
149 | sprintf (buf, "%s/%s", path, de->d_name); |
138 | remove_directory(buf); |
150 | remove_directory (buf); |
139 | continue; |
151 | continue; |
140 | } |
152 | } |
141 | sprintf(buf,"%s/%s", path, de->d_name); |
153 | sprintf (buf, "%s/%s", path, de->d_name); |
142 | if (unlink(buf)) { |
154 | if (unlink (buf)) |
|
|
155 | { |
143 | LOG(llevError,"Unable to remove directory %s\n", path); |
156 | LOG (llevError, "Unable to remove directory %s\n", path); |
144 | } |
157 | } |
145 | } |
158 | } |
146 | closedir(dirp); |
159 | closedir (dirp); |
147 | } |
160 | } |
148 | if (rmdir(path)) { |
161 | if (rmdir (path)) |
|
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162 | { |
149 | LOG(llevError,"Unable to remove directory %s\n", path); |
163 | LOG (llevError, "Unable to remove directory %s\n", path); |
150 | } |
164 | } |
151 | } |
165 | } |
152 | |
166 | |
153 | #if defined(sgi) |
167 | #if defined(sgi) |
154 | |
168 | |
155 | #include <stdio.h> |
169 | # include <stdio.h> |
156 | #include <stdlib.h> |
170 | # include <stdlib.h> |
157 | #include <string.h> |
171 | # include <string.h> |
158 | |
172 | |
159 | #define popen fixed_popen |
173 | # define popen fixed_popen |
160 | |
174 | |
|
|
175 | FILE * |
161 | FILE *popen_local(const char *command, const char *type) |
176 | popen_local (const char *command, const char *type) |
162 | { |
177 | { |
163 | int fd[2]; |
178 | int fd[2]; |
164 | int pd; |
179 | int pd; |
165 | FILE *ret; |
180 | FILE *ret; |
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181 | |
166 | if (!strcmp(type,"r")) |
182 | if (!strcmp (type, "r")) |
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183 | pd = STDOUT_FILENO; |
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184 | else if (!strcmp (type, "w")) |
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185 | pd = STDIN_FILENO; |
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186 | else |
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187 | return NULL; |
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188 | |
|
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189 | if (pipe (fd) != -1) |
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190 | { |
|
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191 | switch (fork ()) |
167 | { |
192 | { |
168 | pd=STDOUT_FILENO; |
193 | case -1: |
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194 | close (fd[0]); |
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195 | close (fd[1]); |
|
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196 | break; |
|
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197 | case 0: |
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198 | close (fd[0]); |
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199 | if ((fd[1] == pd) || (dup2 (fd[1], pd) == pd)) |
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200 | { |
|
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201 | if (fd[1] != pd) |
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202 | { |
|
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203 | close (fd[1]); |
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204 | } |
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205 | execl ("/bin/sh", "sh", "-c", command, NULL); |
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206 | close (pd); |
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207 | } |
|
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208 | _exit (1); |
|
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209 | break; |
|
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210 | default: |
|
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211 | close (fd[1]); |
|
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212 | if (ret = fdopen (fd[0], type)) |
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213 | { |
|
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214 | return ret; |
|
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215 | } |
|
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216 | close (fd[0]); |
|
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217 | break; |
169 | } |
218 | } |
170 | else if (!strcmp(type,"w")) |
219 | } |
171 | { |
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172 | pd=STDIN_FILENO; |
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173 | } |
|
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174 | else |
|
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175 | { |
|
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176 | return NULL; |
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177 | } |
|
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178 | if (pipe(fd)!=-1) |
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179 | { |
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180 | switch (fork()) |
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181 | { |
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182 | case -1: |
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183 | close(fd[0]); |
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184 | close(fd[1]); |
|
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185 | break; |
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186 | case 0: |
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187 | close(fd[0]); |
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188 | if ((fd[1]==pd)||(dup2(fd[1],pd)==pd)) |
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189 | { |
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190 | if (fd[1]!=pd) |
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191 | { |
|
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192 | close(fd[1]); |
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193 | } |
|
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194 | execl("/bin/sh","sh","-c",command,NULL); |
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195 | close(pd); |
|
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196 | } |
|
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197 | exit(1); |
|
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198 | break; |
|
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199 | default: |
|
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200 | close(fd[1]); |
|
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201 | if (ret=fdopen(fd[0],type)) |
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202 | { |
|
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203 | return ret; |
|
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204 | } |
|
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205 | close(fd[0]); |
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206 | break; |
|
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207 | } |
|
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208 | } |
|
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209 | return NULL; |
220 | return NULL; |
210 | } |
221 | } |
211 | |
222 | |
212 | #endif /* defined(sgi) */ |
223 | #endif /* defined(sgi) */ |
213 | |
224 | |
214 | |
225 | |
215 | /***************************************************************************** |
226 | /***************************************************************************** |
216 | * String related function |
227 | * String related function |
217 | ****************************************************************************/ |
228 | ****************************************************************************/ |
218 | |
229 | |
219 | |
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220 | |
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221 | /* |
230 | /* |
222 | * A replacement of strdup(), since it's not defined at some |
231 | * A replacement of strdup(), since it's not defined at some |
223 | * unix variants. |
232 | * unix variants. |
224 | */ |
233 | */ |
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234 | char * |
225 | char *strdup_local(const char *str) { |
235 | strdup_local (const char *str) |
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236 | { |
226 | char *c=(char *)malloc(sizeof(char)*(strlen(str)+1)); |
237 | char *c = (char *) malloc (sizeof (char) * (strlen (str) + 1)); |
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238 | |
227 | strcpy(c,str); |
239 | strcpy (c, str); |
228 | return c; |
240 | return c; |
229 | } |
241 | } |
230 | |
242 | |
231 | |
243 | |
232 | #define DIGIT(x) (isdigit(x) ? (x) - '0' : \ |
244 | #define DIGIT(x) (isdigit(x) ? (x) - '0' : \ |
233 | islower (x) ? (x) + 10 - 'a' : (x) + 10 - 'A') |
245 | islower (x) ? (x) + 10 - 'a' : (x) + 10 - 'A') |
234 | #define MBASE ('z' - 'a' + 1 + 10) |
246 | #define MBASE ('z' - 'a' + 1 + 10) |
235 | |
247 | |
236 | /* This seems to be lacking on some system */ |
248 | /* This seems to be lacking on some system */ |
237 | #if !defined(HAVE_STRNCASECMP) |
249 | #if !defined(HAVE_STRNCASECMP) |
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250 | int |
238 | int strncasecmp(const char *s1, const char *s2, int n) |
251 | strncasecmp (const char *s1, const char *s2, int n) |
239 | { |
252 | { |
240 | register int c1, c2; |
253 | register int c1, c2; |
241 | |
254 | |
242 | while (*s1 && *s2 && n) { |
255 | while (*s1 && *s2 && n) |
|
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256 | { |
243 | c1 = tolower(*s1); |
257 | c1 = tolower (*s1); |
244 | c2 = tolower(*s2); |
258 | c2 = tolower (*s2); |
245 | if (c1 != c2) |
259 | if (c1 != c2) |
246 | return (c1 - c2); |
260 | return (c1 - c2); |
247 | s1++; |
261 | s1++; |
248 | s2++; |
262 | s2++; |
249 | n--; |
263 | n--; |
250 | } |
264 | } |
251 | if (!n) |
265 | if (!n) |
252 | return(0); |
266 | return (0); |
253 | return (int) (*s1 - *s2); |
267 | return (int) (*s1 - *s2); |
254 | } |
268 | } |
255 | #endif |
269 | #endif |
256 | |
270 | |
257 | #if !defined(HAVE_STRCASECMP) |
271 | #if !defined(HAVE_STRCASECMP) |
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272 | int |
258 | int strcasecmp(const char *s1, const char*s2) |
273 | strcasecmp (const char *s1, const char *s2) |
259 | { |
274 | { |
260 | register int c1, c2; |
275 | register int c1, c2; |
261 | |
276 | |
262 | while (*s1 && *s2) { |
277 | while (*s1 && *s2) |
|
|
278 | { |
263 | c1 = tolower(*s1); |
279 | c1 = tolower (*s1); |
264 | c2 = tolower(*s2); |
280 | c2 = tolower (*s2); |
265 | if (c1 != c2) |
281 | if (c1 != c2) |
266 | return (c1 - c2); |
282 | return (c1 - c2); |
267 | s1++; |
283 | s1++; |
268 | s2++; |
284 | s2++; |
269 | } |
285 | } |
270 | if (*s1=='\0' && *s2=='\0') |
286 | if (*s1 == '\0' && *s2 == '\0') |
271 | return 0; |
287 | return 0; |
272 | return (int) (*s1 - *s2); |
288 | return (int) (*s1 - *s2); |
273 | } |
289 | } |
274 | #endif |
290 | #endif |
275 | |
291 | |
|
|
292 | char * |
276 | char *strcasestr_local(const char *s, const char *find) |
293 | strcasestr_local (const char *s, const char *find) |
277 | { |
294 | { |
278 | char c, sc; |
295 | char c, sc; |
279 | size_t len; |
296 | size_t len; |
280 | |
297 | |
281 | if ((c = *find++) != 0) { |
298 | if ((c = *find++) != 0) |
|
|
299 | { |
282 | c = tolower(c); |
300 | c = tolower (c); |
283 | len = strlen(find); |
301 | len = strlen (find); |
|
|
302 | do |
284 | do { |
303 | { |
|
|
304 | do |
285 | do { |
305 | { |
286 | if ((sc = *s++) == 0) |
306 | if ((sc = *s++) == 0) |
287 | return NULL; |
307 | return NULL; |
|
|
308 | } |
288 | } while (tolower(sc) != c); |
309 | while (tolower (sc) != c); |
|
|
310 | } |
289 | } while (strncasecmp(s, find, len) != 0); |
311 | while (strncasecmp (s, find, len) != 0); |
290 | s--; |
312 | s--; |
291 | } |
313 | } |
292 | return (char *)s; |
314 | return (char *) s; |
293 | } |
315 | } |
294 | |
316 | |
295 | #if !defined(HAVE_SNPRINTF) |
317 | #if !defined(HAVE_SNPRINTF) |
296 | |
318 | |
|
|
319 | int |
297 | int snprintf(char *dest, int max, const char *format, ...) |
320 | snprintf (char *dest, int max, const char *format, ...) |
298 | { |
321 | { |
299 | va_list var; |
322 | va_list var; |
300 | int ret; |
323 | int ret; |
301 | |
324 | |
302 | va_start(var, format); |
325 | va_start (var, format); |
303 | ret = vsprintf(dest, format, var); |
326 | ret = vsprintf (dest, format, var); |
304 | va_end(var); |
327 | va_end (var); |
305 | if (ret > max) abort(); |
328 | if (ret > max) |
|
|
329 | abort (); |
306 | |
330 | |
307 | return ret; |
331 | return ret; |
308 | } |
332 | } |
309 | #endif |
333 | #endif |
310 | |
334 | |
311 | |
335 | |
312 | /* |
336 | /* |
… | |
… | |
318 | * ... |
342 | * ... |
319 | * In other words, a square number can be express as the sum of the |
343 | * In other words, a square number can be express as the sum of the |
320 | * series n^2 = 1 + 3 + ... + (2n-1) |
344 | * series n^2 = 1 + 3 + ... + (2n-1) |
321 | */ |
345 | */ |
322 | int |
346 | int |
323 | isqrt(int n) |
347 | isqrt (int n) |
324 | { |
348 | { |
325 | int result, sum, prev; |
349 | int result, sum, prev; |
|
|
350 | |
326 | result = 0; |
351 | result = 0; |
327 | prev = sum = 1; |
352 | prev = sum = 1; |
328 | while (sum <= n) { |
353 | while (sum <= n) |
|
|
354 | { |
329 | prev += 2; |
355 | prev += 2; |
330 | sum += prev; |
356 | sum += prev; |
331 | ++result; |
357 | ++result; |
332 | } |
358 | } |
333 | return result; |
359 | return result; |
334 | } |
360 | } |
335 | |
361 | |
336 | |
362 | |
337 | /* |
363 | /* |
338 | * returns a char-pointer to a static array, in which a representation |
364 | * returns a char-pointer to a static array, in which a representation |
339 | * of the decimal number given will be stored. |
365 | * of the decimal number given will be stored. |
340 | */ |
366 | */ |
341 | |
367 | |
|
|
368 | char * |
342 | char *ltostr10(signed long n) { |
369 | ltostr10 (signed long n) |
|
|
370 | { |
343 | static char buf[12]; /* maximum size is n=-2 billion, i.e. 11 characters+1 |
371 | static char buf[12]; /* maximum size is n=-2 billion, i.e. 11 characters+1 |
344 | character for the trailing nul character */ |
372 | character for the trailing nul character */ |
345 | snprintf(buf, sizeof(buf), "%ld", n); |
373 | snprintf (buf, sizeof (buf), "%ld", n); |
346 | return buf; |
374 | return buf; |
347 | } |
375 | } |
|
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376 | |
|
|
377 | char * |
348 | char *doubletostr10(double v){ |
378 | doubletostr10 (double v) |
|
|
379 | { |
349 | static char tbuf[200]; |
380 | static char tbuf[200]; |
|
|
381 | |
350 | sprintf(tbuf,"%f",v); |
382 | sprintf (tbuf, "%f", v); |
351 | return tbuf; |
383 | return tbuf; |
352 | } |
|
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353 | |
|
|
354 | /** |
|
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355 | * Open and possibly uncompress a file. |
|
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356 | * |
|
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357 | * @param ext the extension if the file is compressed. |
|
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358 | * |
|
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359 | * @param uncompressor the command to uncompress the file if the file is |
|
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360 | * compressed. |
|
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361 | * |
|
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362 | * @param name the base file name without compression extension |
|
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363 | * |
|
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364 | * @param flag only used for compressed files: if set, uncompress and open the |
|
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365 | * file; if unset, uncompress the file via pipe |
|
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366 | * |
|
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367 | * @param *compressed set to zero if the file was uncompressed |
|
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368 | */ |
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369 | static FILE *open_and_uncompress_file(const char *ext, const char *uncompressor, const char *name, int flag, int *compressed) { |
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370 | struct stat st; |
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371 | char buf[MAX_BUF]; |
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372 | char buf2[MAX_BUF]; |
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373 | int ret; |
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374 | |
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375 | if (ext == NULL) { |
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376 | ext = ""; |
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377 | } |
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378 | |
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379 | if (strlen(name)+strlen(ext) >= sizeof(buf)) { |
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380 | errno = ENAMETOOLONG; /* File name too long */ |
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381 | return NULL; |
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382 | } |
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383 | sprintf(buf, "%s%s", name, ext); |
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384 | |
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385 | if (stat(buf, &st) != 0) { |
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386 | return NULL; |
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387 | } |
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388 | |
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389 | if (!S_ISREG(st.st_mode)) { |
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390 | errno = EISDIR; /* Not a regular file */ |
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391 | return NULL; |
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392 | } |
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393 | |
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394 | if (uncompressor == NULL) { |
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395 | /* open without uncompression */ |
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396 | |
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397 | return fopen(buf, "r"); |
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398 | } |
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399 | |
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400 | /* The file name buf (and its substring name) is passed as an argument to a |
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401 | * shell command, therefore check for characters that could confuse the |
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402 | * shell. |
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403 | */ |
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404 | if (strpbrk(buf, "'\\\r\n") != NULL) { |
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405 | errno = ENOENT; /* Pretend the file does not exist */ |
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406 | return NULL; |
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407 | } |
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408 | |
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409 | if (!flag) { |
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410 | /* uncompress via pipe */ |
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411 | |
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412 | if (strlen(uncompressor)+4+strlen(buf)+1 >= sizeof(buf2)) { |
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413 | errno = ENAMETOOLONG; /* File name too long */ |
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414 | return NULL; |
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415 | } |
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416 | sprintf(buf2, "%s < '%s'", uncompressor, buf); |
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417 | |
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418 | return popen(buf2, "r"); |
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419 | } |
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420 | |
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421 | /* remove compression from file, then open file */ |
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422 | |
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423 | if (stat(name, &st) == 0 && !S_ISREG(st.st_mode)) { |
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424 | errno = EISDIR; |
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425 | return NULL; |
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426 | } |
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427 | |
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428 | if (strlen(uncompressor)+4+strlen(buf)+5+strlen(name)+1 >= sizeof(buf2)) { |
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429 | errno = ENAMETOOLONG; /* File name too long */ |
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430 | return NULL; |
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431 | } |
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432 | sprintf(buf2, "%s < '%s' > '%s'", uncompressor, buf, name); |
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433 | |
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434 | ret = system(buf2); |
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435 | if (!WIFEXITED(ret) || WEXITSTATUS(ret) != 0) { |
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436 | LOG(llevError, "system(%s) returned %d\n", buf2, ret); |
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437 | errno = ENOENT; |
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438 | return NULL; |
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439 | } |
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440 | |
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441 | unlink(buf); /* Delete the original */ |
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442 | *compressed = 0; /* Change to "uncompressed file" */ |
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443 | chmod(name, st.st_mode); /* Copy access mode from compressed file */ |
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444 | |
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445 | return fopen(name, "r"); |
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446 | } |
384 | } |
447 | |
385 | |
448 | /** |
386 | /** |
449 | * open_and_uncompress() first searches for the original filename. If it exist, |
387 | * open_and_uncompress() first searches for the original filename. If it exist, |
450 | * then it opens it and returns the file-pointer. |
388 | * then it opens it and returns the file-pointer. |
451 | * |
389 | */ |
452 | * If not, it does two things depending on the flag. If the flag is set, it |
390 | FILE * |
453 | * tries to create the original file by appending a compression suffix to name |
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454 | * and uncompressing it. If the flag is not set, it creates a pipe that is used |
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455 | * for reading the file (NOTE - you can not use fseek on pipes). |
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456 | * |
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457 | * The compressed pointer is set to nonzero if the file is compressed (and |
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458 | * thus, fp is actually a pipe.) It returns 0 if it is a normal file. |
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459 | */ |
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460 | FILE *open_and_uncompress(const char *name, int flag, int *compressed) { |
391 | open_and_uncompress (const char *name, int flag, int *compressed) |
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392 | { |
461 | size_t i; |
393 | size_t i; |
462 | FILE *fp; |
394 | FILE *fp; |
463 | |
395 | |
464 | fp = open_and_uncompress_file(0,0, name, flag, compressed); |
396 | *compressed = 0; |
465 | if (fp != NULL) { |
397 | return fopen (name, "r"); |
466 | return fp; |
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467 | } |
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468 | |
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469 | errno = ENOENT; |
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470 | return NULL; |
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471 | } |
398 | } |
472 | |
399 | |
473 | /* |
400 | /* |
474 | * See open_and_uncompress(). |
401 | * See open_and_uncompress(). |
475 | */ |
402 | */ |
476 | |
403 | |
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404 | void |
477 | void close_and_delete(FILE *fp, int compressed) { |
405 | close_and_delete (FILE * fp, int compressed) |
478 | if (compressed) |
406 | { |
479 | pclose(fp); |
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480 | else |
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481 | fclose(fp); |
407 | fclose (fp); |
482 | } |
408 | } |
483 | |
409 | |
484 | /* |
410 | /* |
485 | * If any directories in the given path doesn't exist, they are created. |
411 | * If any directories in the given path doesn't exist, they are created. |
486 | */ |
412 | */ |
487 | |
413 | |
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414 | void |
488 | void make_path_to_file (char *filename) |
415 | make_path_to_file (char *filename) |
489 | { |
416 | { |
490 | char buf[MAX_BUF], *cp = buf; |
417 | char buf[MAX_BUF], *cp = buf; |
491 | struct stat statbuf; |
418 | struct stat statbuf; |
492 | |
419 | |
493 | if (!filename || !*filename) |
420 | if (!filename || !*filename) |
494 | return; |
421 | return; |
495 | strcpy (buf, filename); |
422 | strcpy (buf, filename); |
496 | |
423 | |
497 | while ((cp = strchr (cp + 1, (int) '/'))) { |
424 | while ((cp = strchr (cp + 1, (int) '/'))) |
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425 | { |
498 | *cp = '\0'; |
426 | *cp = '\0'; |
499 | if (stat(buf, &statbuf) || !S_ISDIR (statbuf.st_mode)) { |
427 | if (stat (buf, &statbuf) || !S_ISDIR (statbuf.st_mode)) |
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428 | { |
500 | if (mkdir (buf, SAVE_DIR_MODE)) { |
429 | if (mkdir (buf, SAVE_DIR_MODE)) |
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430 | { |
501 | LOG(llevError, "Cannot mkdir %s: %s\n", buf, strerror(errno)); |
431 | LOG (llevError, "Cannot mkdir %s: %s\n", buf, strerror (errno)); |
502 | return; |
432 | return; |
503 | } |
433 | } |
504 | } |
434 | } |
505 | *cp = '/'; |
435 | *cp = '/'; |
506 | } |
436 | } |
507 | } |
437 | } |
508 | |
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