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Fix segfault if lev_comp could not alloc memory for opcode

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Pasi Kallinen
2015-11-20 12:27:46 +02:00
parent 3dfc3200dd
commit 9518e74c93
1 changed files with 4 additions and 2 deletions
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util/lev_main.c
+4 -2
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@@ -1294,11 +1294,13 @@ genericptr_t dat;
lc_error("Unknown opcode '%d'", opc); lc_error("Unknown opcode '%d'", opc);
tmp = (_opcode *) alloc(sizeof(_opcode) * (nop + 1)); tmp = (_opcode *) alloc(sizeof(_opcode) * (nop + 1));
if (sp->opcodes && nop) { if (sp->opcodes && nop && tmp) {
(void) memcpy(tmp, sp->opcodes, sizeof(_opcode) * nop); (void) memcpy(tmp, sp->opcodes, sizeof(_opcode) * nop);
free(sp->opcodes); free(sp->opcodes);
} else if (!tmp) } else if (!tmp) {
lc_error("Could not alloc opcode space"); lc_error("Could not alloc opcode space");
return;
}
sp->opcodes = tmp; sp->opcodes = tmp;