Macintosh-Tools/macemu
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Added error messages.

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This commit is contained in:
Dan Sumorok 2013-05-28 19:33:12 -04:00
parent 5aa782acc0
commit 8f863effbc
1 changed files with 46 additions and 6 deletions
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52
BasiliskII/src/MacOSX/etherslavetool.c
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@ -55,7 +55,8 @@ static void handler(int signum);
static int install_signal_handlers();
static void do_exit();
static int removeBridge = 0;
static int remove_bridge = 0;
static const char *exec_name = "etherslavetool";
int main(int argc, char **argv)
{
@ -68,12 +69,14 @@ int main(int argc, char **argv)
if (argc != 2) {
return 255;
}
if_name = argv[1];
do {
ret = retreive_auth_info();
if (ret != 0) {
fprintf(stderr, "%s: authorization failed.\n",
exec_name);
ret = 254;
break;
}
@ -87,11 +90,16 @@ int main(int argc, char **argv)
}
if (sd < 0) {
fprintf(stderr, "%s: open device failed.\n",
exec_name);
ret = 253;
break;
}
if (install_signal_handlers() != 0) {
fprintf(stderr,
"%s: failed to install signal handers.\n",
exec_name);
ret = 252;
break;
}
@ -123,6 +131,9 @@ static int main_loop(int sd, int use_bpf)
if (use_bpf) {
if (ioctl(sd, BIOCGBLEN, &blen) < 0) {
fprintf(stderr,
"%s: ioctl() failed.\n",
exec_name);
return -1;
}
} else {
@ -131,12 +142,18 @@ static int main_loop(int sd, int use_bpf)
incoming = malloc(blen);
if (incoming == NULL) {
fprintf(stderr,
"%s: malloc() failed.\n",
exec_name);
return -2;
}
outgoing = malloc(blen);
if (outgoing == NULL) {
free(outgoing);
fprintf(stderr,
"%s: malloc() failed.\n",
exec_name);
return -3;
}
@ -156,6 +173,9 @@ static int main_loop(int sd, int use_bpf)
ret = select(sd + 1, &readSet, NULL, NULL, NULL);
if (ret < 0) {
fprintf(stderr,
"%s: select() failed.\n",
exec_name);
fret = -4;
break;
}
@ -168,14 +188,17 @@ static int main_loop(int sd, int use_bpf)
}
if (ret < 1) {
if(ret < 0) {
fprintf(stderr,
"%s: read() failed.\n",
exec_name);
}
fret = -5;
break;
}
out_index += ret;
if (out_index > 1) {
fflush(stdout);
if ((*out_len + 2) > blen) {
fret = -6;
break;
@ -184,6 +207,9 @@ static int main_loop(int sd, int use_bpf)
if (out_index == (*out_len + 2)) {
ret = write(sd, out_len + 1, *out_len);
if (ret != *out_len) {
fprintf(stderr,
"%s: write() failed.\n",
exec_name);
fret = -7;
break;
}
@ -198,6 +224,11 @@ static int main_loop(int sd, int use_bpf)
ret = read(sd, incoming, blen);
if (ret < 1) {
if(ret < 0) {
fprintf(stderr,
"%s: read() failed %d.\n",
exec_name, errno);
}
fret = -8;
break;
}
@ -232,6 +263,9 @@ static int main_loop(int sd, int use_bpf)
} while (ret > 0);
if (fret != 0) {
fprintf(stderr,
"%s: fret == %d.\n",
exec_name, fret);
break;
}
}
@ -241,12 +275,18 @@ static int main_loop(int sd, int use_bpf)
pkt_len = read(sd, in_len + 1, blen-2);
if (pkt_len < 14) {
fprintf(stderr,
"%s: read() returned %d.\n",
exec_name, pkt_len);
fret = -8;
break;
}
*in_len = pkt_len;
if (write(0, in_len, pkt_len + 2) < (pkt_len + 2)) {
fprintf(stderr,
"%s: write() failed\n",
exec_name);
fret = -10;
break;
}
@ -357,7 +397,7 @@ static int open_tap(char *ifname)
if (bridge != NULL) {
snprintf(str, STR_MAX, "/sbin/ifconfig %s create", bridge);
if (run_cmd(str) == 0) {
removeBridge = 1;
remove_bridge = 1;
}
snprintf(str, STR_MAX, "/sbin/ifconfig %s up", bridge);
@ -510,7 +550,7 @@ static int install_signal_handlers() {
}
static void do_exit() {
if (removeBridge) {
if (remove_bridge) {
run_cmd("/sbin/ifconfig bridge0 destroy");
}
}