| 1 | |
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| 2 | /* |
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| 3 | * static char *rcsid_porting_c = |
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| 4 | * "$Id: porting.C,v 1.5 2006/09/10 16:00:23 root Exp $"; |
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| 5 | */ |
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| 6 | |
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| 7 | /* |
1 | /* |
| 8 | CrossFire, A Multiplayer game for X-windows |
2 | CrossFire, A Multiplayer game for X-windows |
| 9 | |
3 | |
| 10 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
4 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
| 11 | Copyright (C) 1992 Frank Tore Johansen |
5 | Copyright (C) 1992 Frank Tore Johansen |
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… | |
| 22 | |
16 | |
| 23 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
18 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 26 | |
20 | |
| 27 | The authors can be reached via e-mail at crossfire-devel@real-time.com |
21 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
| 28 | */ |
22 | */ |
| 29 | |
23 | |
| 30 | /* This file contains various functions that are not really unique for |
24 | /* This file contains various functions that are not really unique for |
| 31 | * crossfire, but rather provides what should be standard functions |
25 | * crossfire, but rather provides what should be standard functions |
| 32 | * for systems that do not have them. In this way, most of the |
26 | * for systems that do not have them. In this way, most of the |
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… | |
| 178 | int fd[2]; |
172 | int fd[2]; |
| 179 | int pd; |
173 | int pd; |
| 180 | FILE *ret; |
174 | FILE *ret; |
| 181 | |
175 | |
| 182 | if (!strcmp (type, "r")) |
176 | if (!strcmp (type, "r")) |
| 183 | { |
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| 184 | pd = STDOUT_FILENO; |
177 | pd = STDOUT_FILENO; |
| 185 | } |
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| 186 | else if (!strcmp (type, "w")) |
178 | else if (!strcmp (type, "w")) |
| 187 | { |
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| 188 | pd = STDIN_FILENO; |
179 | pd = STDIN_FILENO; |
| 189 | } |
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| 190 | else |
180 | else |
| 191 | { |
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| 192 | return NULL; |
181 | return NULL; |
| 193 | } |
182 | |
| 194 | if (pipe (fd) != -1) |
183 | if (pipe (fd) != -1) |
| 195 | { |
184 | { |
| 196 | switch (fork ()) |
185 | switch (fork ()) |
| 197 | { |
186 | { |
| 198 | case -1: |
187 | case -1: |
| 199 | close (fd[0]); |
188 | close (fd[0]); |
| 200 | close (fd[1]); |
189 | close (fd[1]); |
| 201 | break; |
190 | break; |
| 202 | case 0: |
191 | case 0: |
| 203 | close (fd[0]); |
192 | close (fd[0]); |
| 204 | if ((fd[1] == pd) || (dup2 (fd[1], pd) == pd)) |
193 | if ((fd[1] == pd) || (dup2 (fd[1], pd) == pd)) |
| 205 | { |
194 | { |
| 206 | if (fd[1] != pd) |
195 | if (fd[1] != pd) |
| 207 | { |
196 | { |
| 208 | close (fd[1]); |
197 | close (fd[1]); |
| 209 | } |
198 | } |
| 210 | execl ("/bin/sh", "sh", "-c", command, NULL); |
199 | execl ("/bin/sh", "sh", "-c", command, NULL); |
| 211 | close (pd); |
200 | close (pd); |
| 212 | } |
201 | } |
| 213 | exit (1); |
202 | _exit (1); |
| 214 | break; |
203 | break; |
| 215 | default: |
204 | default: |
| 216 | close (fd[1]); |
205 | close (fd[1]); |
| 217 | if (ret = fdopen (fd[0], type)) |
206 | if (ret = fdopen (fd[0], type)) |
| 218 | { |
207 | { |
| 219 | return ret; |
208 | return ret; |
| 220 | } |
209 | } |
| 221 | close (fd[0]); |
210 | close (fd[0]); |
| 222 | break; |
211 | break; |
| 223 | } |
212 | } |
| 224 | } |
213 | } |
| 225 | return NULL; |
214 | return NULL; |
| 226 | } |
215 | } |
| 227 | |
216 | |
| … | |
… | |
| 229 | |
218 | |
| 230 | |
219 | |
| 231 | /***************************************************************************** |
220 | /***************************************************************************** |
| 232 | * String related function |
221 | * String related function |
| 233 | ****************************************************************************/ |
222 | ****************************************************************************/ |
| 234 | |
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| 235 | |
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| 236 | |
223 | |
| 237 | /* |
224 | /* |
| 238 | * A replacement of strdup(), since it's not defined at some |
225 | * A replacement of strdup(), since it's not defined at some |
| 239 | * unix variants. |
226 | * unix variants. |
| 240 | */ |
227 | */ |
