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Only fprintf if we know stream is not NULL

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Peter Evans 2018-03-07 21:24:29 -06:00
parent dda7ae6288
commit 1235197418
1 changed files with 3 additions and 3 deletions
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6
src/mos6502.dis.c
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@ -325,10 +325,10 @@ mos6502_dis_opcode(mos6502 *cpu, FILE *stream, int address)
} else {
snprintf(s_bytes, sizeof(s_bytes) - 1, "%02X", opcode);
}
}
fprintf(stream, "%04X:%-9s%20s %s\n",
cpu->PC, s_bytes, s_inst, s_operand);
fprintf(stream, "%04X:%-9s%20s %s\n",
cpu->PC, s_bytes, s_inst, s_operand);
}
// The expected number of bytes here is for the operand, but we need
// to add one for the opcode to return the true number that this