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Fix segfault if no game is loaded.

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This commit is contained in:
Alcaro 2016-06-04 18:25:30 +02:00
parent 6484fb0c75
commit e3f594564a
1 changed files with 17 additions and 8 deletions
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25
command.c
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@ -199,16 +199,23 @@ static bool command_read_ram(const char *arg)
cheevos_parse_guest_addr(&var, strtoul(reply_at, (char**)&reply_at, 16)); cheevos_parse_guest_addr(&var, strtoul(reply_at, (char**)&reply_at, 16));
data = cheevos_get_memory(&var); data = cheevos_get_memory(&var);
nbytes = strtol(reply_at, NULL, 10); if (data)
*reply_at = '\0';
for (i=0;i<nbytes;i++)
{ {
sprintf(reply_at+3*i, " %.2X", data[i]); unsigned nbytes = strtol(reply_at, NULL, 10);
}
reply_at[3*nbytes] = '\n'; for (i=0;i<nbytes;i++)
{
sprintf(reply_at+3*i, " %.2X", data[i]);
}
reply_at[3*nbytes] = '\n';
command_reply(reply, reply_at+3*nbytes+1 - reply);
}
else
{
strcpy(reply_at, " -1\n");
command_reply(reply, reply_at+strlen(" -1\n") - reply);
}
command_reply(reply, reply_at+3*nbytes+1 - reply);
return true; return true;
#else #else
@ -228,6 +235,8 @@ static bool command_write_ram(const char *arg)
cheevos_parse_guest_addr(&var, strtoul(arg, (char**)&arg, 16)); cheevos_parse_guest_addr(&var, strtoul(arg, (char**)&arg, 16));
data = cheevos_get_memory(&var); data = cheevos_get_memory(&var);
if (!data) return false;
while (*arg) while (*arg)
{ {
*data = strtoul(arg, (char**)&arg, 16); *data = strtoul(arg, (char**)&arg, 16);