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Fix buffer overflow reported by Aranym people

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This commit is contained in:
gbeauche 2002-11-02 17:23:20 +00:00
parent 45b2765c21
commit 2cda26edae
1 changed files with 6 additions and 1 deletions
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7
BasiliskII/src/uae_cpu/readcpu.cpp
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@ -255,7 +255,7 @@ static void build_insn (int insn)
int pos = 0; int pos = 0;
int mnp = 0; int mnp = 0;
int bitno = 0; int bitno = 0;
char mnemonic[10]; char mnemonic[64];
wordsizes sz = sz_long; wordsizes sz = sz_long;
int srcgather = 0, dstgather = 0; int srcgather = 0, dstgather = 0;
@ -332,6 +332,11 @@ static void build_insn (int insn)
} }
} }
mnp++; mnp++;
if ((unsigned)mnp >= sizeof(mnemonic) - 1) {
mnemonic[sizeof(mnemonic) - 1] = 0;
fprintf(stderr, "Instruction %s overflow\n", mnemonic);
abort();
}
} }
pos++; pos++;
} }