roms: Allow passing configure options to the EDK2 build tools

[mirror_qemu.git] / qemu-io.c

diff --git a/qemu-io.c b/qemu-io.c
index 02a67c929a40dba2325ca6bdda73fc99a230532f..6df7731af49603151f1925d97929f1f9202b8f05 100644 (file)
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -66,10 +66,11 @@ static int get_eof_char(void)
 #endif
 }
 
-static void close_f(BlockBackend *blk, int argc, char **argv)
+static int close_f(BlockBackend *blk, int argc, char **argv)
 {
     blk_unref(qemuio_blk);
     qemuio_blk = NULL;
+    return 0;
 }
 
 static const cmdinfo_t close_cmd = {
@@ -136,7 +137,7 @@ static void open_help(void)
 "\n");
 }
 
-static void open_f(BlockBackend *blk, int argc, char **argv);
+static int open_f(BlockBackend *blk, int argc, char **argv);
 
 static const cmdinfo_t open_cmd = {
     .name       = "open",
@@ -160,12 +161,13 @@ static QemuOptsList empty_opts = {
     },
 };
 
-static void open_f(BlockBackend *blk, int argc, char **argv)
+static int open_f(BlockBackend *blk, int argc, char **argv)
 {
     int flags = BDRV_O_UNMAP;
     int readonly = 0;
     bool writethrough = true;
     int c;
+    int ret;
     QemuOpts *qopts;
     QDict *opts;
     bool force_share = false;
@@ -192,25 +194,25 @@ static void open_f(BlockBackend *blk, int argc, char **argv)
             if (bdrv_parse_cache_mode(optarg, &flags, &writethrough) < 0) {
                 error_report("Invalid cache option: %s", optarg);
                 qemu_opts_reset(&empty_opts);
-                return;
+                return -EINVAL;
             }
             break;
         case 'd':
             if (bdrv_parse_discard_flags(optarg, &flags) < 0) {
                 error_report("Invalid discard option: %s", optarg);
                 qemu_opts_reset(&empty_opts);
-                return;
+                return -EINVAL;
             }
             break;
         case 'o':
             if (imageOpts) {
                 printf("--image-opts and 'open -o' are mutually exclusive\n");
                 qemu_opts_reset(&empty_opts);
-                return;
+                return -EINVAL;
             }
             if (!qemu_opts_parse_noisily(&empty_opts, optarg, false)) {
                 qemu_opts_reset(&empty_opts);
-                return;
+                return -EINVAL;
             }
             break;
         case 'U':
@@ -219,7 +221,7 @@ static void open_f(BlockBackend *blk, int argc, char **argv)
         default:
             qemu_opts_reset(&empty_opts);
             qemuio_command_usage(&open_cmd);
-            return;
+            return -EINVAL;
         }
     }
 
@@ -230,7 +232,7 @@ static void open_f(BlockBackend *blk, int argc, char **argv)
     if (imageOpts && (optind == argc - 1)) {
         if (!qemu_opts_parse_noisily(&empty_opts, argv[optind], false)) {
             qemu_opts_reset(&empty_opts);
-            return;
+            return -EINVAL;
         }
         optind++;
     }
@@ -240,18 +242,26 @@ static void open_f(BlockBackend *blk, int argc, char **argv)
     qemu_opts_reset(&empty_opts);
 
     if (optind == argc - 1) {
-        openfile(argv[optind], flags, writethrough, force_share, opts);
+        ret = openfile(argv[optind], flags, writethrough, force_share, opts);
     } else if (optind == argc) {
-        openfile(NULL, flags, writethrough, force_share, opts);
+        ret = openfile(NULL, flags, writethrough, force_share, opts);
     } else {
         qobject_unref(opts);
         qemuio_command_usage(&open_cmd);
+        return -EINVAL;
+    }
+
+    if (ret) {
+        return -EINVAL;
     }
+
+    return 0;
 }
 
-static void quit_f(BlockBackend *blk, int argc, char **argv)
+static int quit_f(BlockBackend *blk, int argc, char **argv)
 {
     quit_qemu_io = true;
+    return 0;
 }
 
 static const cmdinfo_t quit_cmd = {
@@ -390,17 +400,21 @@ static void prep_fetchline(void *opaque)
     *fetchable= 1;
 }
 
-static void command_loop(void)
+static int command_loop(void)
 {
     int i, fetchable = 0, prompted = 0;
+    int ret, last_error = 0;
     char *input;
 
     for (i = 0; !quit_qemu_io && i < ncmdline; i++) {
-        qemuio_command(qemuio_blk, cmdline[i]);
+        ret = qemuio_command(qemuio_blk, cmdline[i]);
+        if (ret < 0) {
+            last_error = ret;
+        }
     }
     if (cmdline) {
         g_free(cmdline);
-        return;
+        return last_error;
     }
 
     while (!quit_qemu_io) {
@@ -421,13 +435,19 @@ static void command_loop(void)
         if (input == NULL) {
             break;
         }
-        qemuio_command(qemuio_blk, input);
+        ret = qemuio_command(qemuio_blk, input);
         g_free(input);
 
+        if (ret < 0) {
+            last_error = ret;
+        }
+
         prompted = 0;
         fetchable = 0;
     }
     qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
+
+    return last_error;
 }
 
 static void add_user_command(char *optarg)
@@ -492,6 +512,7 @@ int main(int argc, char **argv)
     int c;
     int opt_index = 0;
     int flags = BDRV_O_UNMAP;
+    int ret;
     bool writethrough = true;
     Error *local_error = NULL;
     QDict *opts = NULL;
@@ -599,11 +620,9 @@ int main(int argc, char **argv)
         exit(1);
     }
 
-    if (qemu_opts_foreach(&qemu_object_opts,
-                          user_creatable_add_opts_foreach,
-                          NULL, NULL)) {
-        exit(1);
-    }
+    qemu_opts_foreach(&qemu_object_opts,
+                      user_creatable_add_opts_foreach,
+                      NULL, &error_fatal);
 
     if (!trace_init_backends()) {
         exit(1);
@@ -653,7 +672,7 @@ int main(int argc, char **argv)
             }
         }
     }
-    command_loop();
+    ret = command_loop();
 
     /*
      * Make sure all outstanding requests complete before the program exits.
@@ -662,5 +681,10 @@ int main(int argc, char **argv)
 
     blk_unref(qemuio_blk);
     g_free(readline_state);
-    return 0;
+
+    if (ret < 0) {
+        return 1;
+    } else {
+        return 0;
+    }
 }