author | erik <erik> | 2007-01-24 23:29:42 (UTC) |
---|---|---|
committer | erik <erik> | 2007-01-24 23:29:42 (UTC) |
commit | 0076a11b467dce1233194ce228287a2a127b1f5d (patch) (unidiff) | |
tree | f2136a1a3e9b5fd6bede52251ed7249365838752 /noncore/games/kcheckers | |
parent | 48d9219a96096cf44df8ac24413b36d1b718b1d5 (diff) | |
download | opie-0076a11b467dce1233194ce228287a2a127b1f5d.zip opie-0076a11b467dce1233194ce228287a2a127b1f5d.tar.gz opie-0076a11b467dce1233194ce228287a2a127b1f5d.tar.bz2 |
Each file in this commit has the issue where it is possible for code to
overrun static buffers. This could lead to serious problems. Granted it
is almost impossible to do that. But it isn't totally impossible. So this
commit makes it impossible to overrun.
-rw-r--r-- | noncore/games/kcheckers/echeckers.cpp | 12 | ||||
-rw-r--r-- | noncore/games/kcheckers/rcheckers.cpp | 36 |
2 files changed, 30 insertions, 18 deletions
diff --git a/noncore/games/kcheckers/echeckers.cpp b/noncore/games/kcheckers/echeckers.cpp index 1146059..afe62eb 100644 --- a/noncore/games/kcheckers/echeckers.cpp +++ b/noncore/games/kcheckers/echeckers.cpp | |||
@@ -70,27 +70,27 @@ bool ECheckers::checkCapture1() | |||
70 | case MAN1: | 70 | case MAN1: |
71 | if(board[i-6]==MAN2 || board[i-6]==KING2) | 71 | if(board[i-6]==MAN2 || board[i-6]==KING2) |
72 | if(board[i-12]==FREE) return true; | 72 | if(board[i-12]==FREE) return true; |
73 | if(board[i-5]==MAN2 || board[i-5]==KING2) | 73 | if(board[i-5]==MAN2 || board[i-5]==KING2) |
74 | if(board[i-10]==FREE) return true; | 74 | if(board[i-10]==FREE) return true; |
75 | break; | 75 | break; |
76 | case KING1: | 76 | case KING1: |
77 | if(board[i-6]==MAN2 || board[i-6]==KING2) | 77 | if(board[i-6]==MAN2 || board[i-6]==KING2) |
78 | if(board[i-12]==FREE) return true; | 78 | if(board[i-12]==FREE) return true; |
79 | if(board[i-5]==MAN2 || board[i-5]==KING2) | 79 | if(board[i-5]==MAN2 || board[i-5]==KING2) |
80 | if(board[i-10]==FREE) return true; | 80 | if(board[i-10]==FREE) return true; |
81 | if(board[i+5]==MAN2 || board[i+5]==KING2) | 81 | if(board[i+5]==MAN2 || board[i+5]==KING2) |
82 | if(board[i+10]==FREE) return true; | 82 | if(board[((i+10) < 54) ? i+10 : 53]==FREE) return true; |
83 | if(board[i+6]==MAN2 || board[i+6]==KING2) | 83 | if(board[i+6]==MAN2 || board[i+6]==KING2) |
84 | if(board[i+12]==FREE) return true; | 84 | if(board[((i+12) < 54) ? i+12 : 53]==FREE) return true; |
85 | } | 85 | } |
86 | } | 86 | } |
87 | return false; | 87 | return false; |
88 | } | 88 | } |
89 | 89 | ||
90 | 90 | ||
91 | // Return TRUE if a course of the user true | 91 | // Return TRUE if a course of the user true |
92 | // Return FALSE if a course of the user incorrect | 92 | // Return FALSE if a course of the user incorrect |
93 | 93 | ||
94 | bool ECheckers::manCapture1(int from,int direction,bool &capture) | 94 | bool ECheckers::manCapture1(int from,int direction,bool &capture) |
95 | { | 95 | { |
96 | int i=from+direction; | 96 | int i=from+direction; |
@@ -212,37 +212,37 @@ void ECheckers::kingMove2(int from,int &resMax) | |||
212 | board[from]=KING2; | 212 | board[from]=KING2; |
213 | } | 213 | } |
214 | 214 | ||
215 | 215 | ||
216 | bool ECheckers::checkCapture2() | 216 | bool ECheckers::checkCapture2() |
217 | { | 217 | { |
218 | for(int i=6;i<48;i++) | 218 | for(int i=6;i<48;i++) |
219 | { | 219 | { |
220 | switch(board[i]) | 220 | switch(board[i]) |
221 | { | 221 | { |
222 | case MAN2: | 222 | case MAN2: |
223 | if(board[i+5]==MAN1 || board[i+5]==KING1) | 223 | if(board[i+5]==MAN1 || board[i+5]==KING1) |
224 | if(board[i+10]==FREE) return true; | 224 | if(board[((i+10) < 54) ? i+10 : 53]==FREE) return true; |
225 | if(board[i+6]==MAN1 || board[i+6]==KING1) | 225 | if(board[i+6]==MAN1 || board[i+6]==KING1) |
226 | if(board[i+12]==FREE) return true; | 226 | if(board[((i+12) < 54) ? i+12 : 53]==FREE) return true; |
227 | break; | 227 | break; |
228 | case KING2: | 228 | case KING2: |
229 | if(board[i-6]==MAN1 || board[i-6]==KING1) | 229 | if(board[i-6]==MAN1 || board[i-6]==KING1) |
230 | if(board[i-12]==FREE) return true; | 230 | if(board[i-12]==FREE) return true; |
231 | if(board[i-5]==MAN1 || board[i-5]==KING1) | 231 | if(board[i-5]==MAN1 || board[i-5]==KING1) |
232 | if(board[i-10]==FREE) return true; | 232 | if(board[i-10]==FREE) return true; |
233 | if(board[i+5]==MAN1 || board[i+5]==KING1) | 233 | if(board[i+5]==MAN1 || board[i+5]==KING1) |
234 | if(board[i+10]==FREE) return true; | 234 | if(board[((i+10) < 54) ? i+10 : 53]==FREE) return true; |
235 | if(board[i+6]==MAN1 || board[i+6]==KING1) | 235 | if(board[i+6]==MAN1 || board[i+6]==KING1) |
236 | if(board[i+12]==FREE) return true; | 236 | if(board[((i+12) < 54) ? i+12 : 53]==FREE) return true; |
237 | } | 237 | } |
238 | } | 238 | } |
239 | return false; | 239 | return false; |
240 | } | 240 | } |
241 | 241 | ||
242 | 242 | ||
243 | // Return TRUE if it is possible to capture | 243 | // Return TRUE if it is possible to capture |
244 | // Return FALSE if it is impossible to capture | 244 | // Return FALSE if it is impossible to capture |
245 | 245 | ||
246 | bool ECheckers::manCapture2(int from,int &resMax) | 246 | bool ECheckers::manCapture2(int from,int &resMax) |
247 | { | 247 | { |
248 | bool capture=false; | 248 | bool capture=false; |
diff --git a/noncore/games/kcheckers/rcheckers.cpp b/noncore/games/kcheckers/rcheckers.cpp index a1c7afa..d808780 100644 --- a/noncore/games/kcheckers/rcheckers.cpp +++ b/noncore/games/kcheckers/rcheckers.cpp | |||
@@ -103,45 +103,51 @@ bool RCheckers::go1(int from,int field) | |||
103 | bool RCheckers::checkCapture1() | 103 | bool RCheckers::checkCapture1() |
104 | { | 104 | { |
105 | for(int i=6;i<48;i++) | 105 | for(int i=6;i<48;i++) |
106 | { | 106 | { |
107 | switch(board[i]) | 107 | switch(board[i]) |
108 | { | 108 | { |
109 | case MAN1: | 109 | case MAN1: |
110 | if(board[i-6]==MAN2 || board[i-6]==KING2) | 110 | if(board[i-6]==MAN2 || board[i-6]==KING2) |
111 | if(board[i-12]==FREE) return true; | 111 | if(board[i-12]==FREE) return true; |
112 | if(board[i-5]==MAN2 || board[i-5]==KING2) | 112 | if(board[i-5]==MAN2 || board[i-5]==KING2) |
113 | if(board[i-10]==FREE) return true; | 113 | if(board[i-10]==FREE) return true; |
114 | if(board[i+5]==MAN2 || board[i+5]==KING2) | 114 | if(board[i+5]==MAN2 || board[i+5]==KING2) |
115 | if(board[i+10]==FREE) return true; | 115 | if(board[((i+10) < 54) ? i+10 : 53]==FREE) return true; |
116 | if(board[i+6]==MAN2 || board[i+6]==KING2) | 116 | if(board[i+6]==MAN2 || board[i+6]==KING2) |
117 | if(board[i+12]==FREE) return true; | 117 | if(board[((i+12) < 54) ? i+12 : 53]==FREE) return true; |
118 | break; | 118 | break; |
119 | case KING1: | 119 | case KING1: |
120 | int k; | 120 | int k; |
121 | for(k=i-6;board[k]==FREE;k-=6); | 121 | for(k=i-6;board[k]==FREE;k-=6); |
122 | if(board[k]==MAN2 || board[k]==KING2) | 122 | if(board[k]==MAN2 || board[k]==KING2) |
123 | if(board[k-6]==FREE) return true; | 123 | if(board[k-6]==FREE) return true; |
124 | 124 | ||
125 | for(k=i-5;board[k]==FREE;k-=5); | 125 | for(k=i-5;board[k]==FREE;k-=5); |
126 | if(board[k]==MAN2 || board[k]==KING2) | 126 | if(board[k]==MAN2 || board[k]==KING2) |
127 | if(board[k-5]==FREE) return true; | 127 | if(board[k-5]==FREE) return true; |
128 | 128 | ||
129 | for(k=i+5;board[k]==FREE;k+=5); | 129 | for(k=i+5;board[k]==FREE;k+=5) { |
130 | if (k >= 49) | ||
131 | break; | ||
132 | } | ||
130 | if(board[k]==MAN2 || board[k]==KING2) | 133 | if(board[k]==MAN2 || board[k]==KING2) |
131 | if(board[k+5]==FREE) return true; | 134 | if(board[((k+5) < 54) ? k+5 : 53]==FREE) return true; |
132 | 135 | ||
133 | for(k=i+6;board[k]==FREE;k+=6); | 136 | for(k=i+6;board[k]==FREE;k+=6) { |
137 | if (k >=48) | ||
138 | break; | ||
139 | } | ||
134 | if(board[k]==MAN2 || board[k]==KING2) | 140 | if(board[k]==MAN2 || board[k]==KING2) |
135 | if(board[k+6]==FREE) return true; | 141 | if(board[((k+6) < 54) ? k+6 : 53]==FREE) return true; |
136 | } | 142 | } |
137 | } | 143 | } |
138 | return false; | 144 | return false; |
139 | } | 145 | } |
140 | 146 | ||
141 | 147 | ||
142 | // Return TRUE if a course of the user true | 148 | // Return TRUE if a course of the user true |
143 | // Return FALSE if a course of the user incorrect | 149 | // Return FALSE if a course of the user incorrect |
144 | 150 | ||
145 | bool RCheckers::manCapture1(int from,int direction,bool &capture) | 151 | bool RCheckers::manCapture1(int from,int direction,bool &capture) |
146 | { | 152 | { |
147 | int i=from+direction; | 153 | int i=from+direction; |
@@ -277,45 +283,51 @@ void RCheckers::kingMove2(int from,int &resMax) | |||
277 | bool RCheckers::checkCapture2() | 283 | bool RCheckers::checkCapture2() |
278 | { | 284 | { |
279 | for(int i=6;i<48;i++) | 285 | for(int i=6;i<48;i++) |
280 | { | 286 | { |
281 | switch(board[i]) | 287 | switch(board[i]) |
282 | { | 288 | { |
283 | case MAN2: | 289 | case MAN2: |
284 | if(board[i-6]==MAN1 || board[i-6]==KING1) | 290 | if(board[i-6]==MAN1 || board[i-6]==KING1) |
285 | if(board[i-12]==FREE) return true; | 291 | if(board[i-12]==FREE) return true; |
286 | if(board[i-5]==MAN1 || board[i-5]==KING1) | 292 | if(board[i-5]==MAN1 || board[i-5]==KING1) |
287 | if(board[i-10]==FREE) return true; | 293 | if(board[i-10]==FREE) return true; |
288 | if(board[i+5]==MAN1 || board[i+5]==KING1) | 294 | if(board[i+5]==MAN1 || board[i+5]==KING1) |
289 | if(board[i+10]==FREE) return true; | 295 | if(board[((i+10) < 54) ? i+10 : 53]==FREE) return true; |
290 | if(board[i+6]==MAN1 || board[i+6]==KING1) | 296 | if(board[i+6]==MAN1 || board[i+6]==KING1) |
291 | if(board[i+12]==FREE) return true; | 297 | if(board[((i+12) < 54) ? i+12 : 53]==FREE) return true; |
292 | break; | 298 | break; |
293 | case KING2: | 299 | case KING2: |
294 | int k; | 300 | int k; |
295 | for(k=i-6;board[k]==FREE;k-=6); | 301 | for(k=i-6;board[k]==FREE;k-=6); |
296 | if(board[k]==MAN1 || board[k]==KING1) | 302 | if(board[k]==MAN1 || board[k]==KING1) |
297 | if(board[k-6]==FREE) return true; | 303 | if(board[k-6]==FREE) return true; |
298 | 304 | ||
299 | for(k=i-5;board[k]==FREE;k-=5); | 305 | for(k=i-5;board[k]==FREE;k-=5); |
300 | if(board[k]==MAN1 || board[k]==KING1) | 306 | if(board[k]==MAN1 || board[k]==KING1) |
301 | if(board[k-5]==FREE) return true; | 307 | if(board[k-5]==FREE) return true; |
302 | 308 | ||
303 | for(k=i+5;board[k]==FREE;k+=5); | 309 | for(k=i+5;board[k]==FREE;k+=5) { |
310 | if (k>=49) | ||
311 | break; | ||
312 | } | ||
304 | if(board[k]==MAN1 || board[k]==KING1) | 313 | if(board[k]==MAN1 || board[k]==KING1) |
305 | if(board[k+5]==FREE) return true; | 314 | if(board[((k+5) < 54) ? k+5 : 53]==FREE) return true; |
306 | 315 | ||
307 | for(k=i+6;board[k]==FREE;k+=6); | 316 | for(k=i+6;board[k]==FREE;k+=6) { |
317 | if (k>=48) | ||
318 | break; | ||
319 | } | ||
308 | if(board[k]==MAN1 || board[k]==KING1) | 320 | if(board[k]==MAN1 || board[k]==KING1) |
309 | if(board[k+6]==FREE) return true; | 321 | if(board[((k+6) < 54) ? k+6 : 53]==FREE) return true; |
310 | } | 322 | } |
311 | } | 323 | } |
312 | return false; | 324 | return false; |
313 | } | 325 | } |
314 | 326 | ||
315 | 327 | ||
316 | // Return TRUE if it is possible to capture | 328 | // Return TRUE if it is possible to capture |
317 | // Return FALSE if it is impossible to capture | 329 | // Return FALSE if it is impossible to capture |
318 | 330 | ||
319 | bool RCheckers::manCapture2(int from,int &resMax) | 331 | bool RCheckers::manCapture2(int from,int &resMax) |
320 | { | 332 | { |
321 | bool capture=false; | 333 | bool capture=false; |