Fix a bug when booting Porteus 4.0 i586 20170701.iso

[Ventoy.git] / VtoyTool / vtoydump.c

diff --git a/VtoyTool/vtoydump.c b/VtoyTool/vtoydump.c
index 34c1ee7e5e1b613357c2fa64a41417b7b937dadb..e58cc868eb27ca9c4d1984ea1b8fd402ce567a7c 100644 (file)
--- a/VtoyTool/vtoydump.c
+++ b/VtoyTool/vtoydump.c
@@ -435,6 +435,24 @@ static int vtoy_printf_iso_path(ventoy_os_param *param)
     return 0;
 }
 
+static int vtoy_printf_fs(ventoy_os_param *param)
+{
+    const char *fs[] = 
+    {
+        "exfat", "ntfs", "ext", "xfs", "udf", "fat"
+    };
+
+    if (param->vtoy_disk_part_type < 6)
+    {
+        printf("%s\n", fs[param->vtoy_disk_part_type]);
+    }
+    else
+    {
+        printf("unknown\n");
+    }
+    return 0;
+}
+
 static int vtoy_check_device(ventoy_os_param *param, const char *device)
 {
     unsigned long long size; 
@@ -464,10 +482,13 @@ static int vtoy_check_device(ventoy_os_param *param, const char *device)
 
 static int vtoy_print_os_param(ventoy_os_param *param, char *diskname)
 {
-    int   cnt = 0;
+    int fd, size;
+    int cnt = 0;
     char *path = param->vtoy_img_path;
     const char *fs;
-
+    char diskpath[256] = {0};
+    char sizebuf[64] = {0};
+    
     cnt = vtoy_find_disk_by_size(param->vtoy_disk_size, diskname);
     debug("find disk by size %llu, cnt=%d...\n", (unsigned long long)param->vtoy_disk_size, cnt);
     if (1 == cnt)
@@ -494,6 +515,37 @@ static int vtoy_print_os_param(ventoy_os_param *param, char *diskname)
 
     if (1 == cnt)
     {
+        if (strstr(diskname, "nvme") || strstr(diskname, "mmc") || strstr(diskname, "nbd"))
+        {
+            snprintf(diskpath, sizeof(diskpath) - 1, "/sys/class/block/%sp2/size", diskname);
+        }
+        else
+        {
+            snprintf(diskpath, sizeof(diskpath) - 1, "/sys/class/block/%s2/size", diskname);
+        }
+
+        if (access(diskpath, F_OK) >= 0)
+        {
+            debug("get part size from sysfs for %s\n", diskpath);
+
+            fd = open(diskpath, O_RDONLY | O_BINARY);
+            if (fd >= 0)
+            {
+                read(fd, sizebuf, sizeof(sizebuf));
+                size = (int)strtoull(sizebuf, NULL, 10);
+                close(fd);
+                if ((size != (64 * 1024)) && (size != (8 * 1024)))
+                {
+                    debug("sizebuf=<%s> size=%d\n", sizebuf, size);
+                    return 1;
+                }
+            }
+        }
+        else
+        {
+            debug("%s not exist \n", diskpath);
+        }
+
         printf("/dev/%s#%s#%s\n", diskname, fs, path);
         return 0;
     }
@@ -517,12 +569,13 @@ int vtoydump_main(int argc, char **argv)
     int rc;
     int ch;
     int print_path = 0;
+    int print_fs = 0;
     char filename[256] = {0};
     char diskname[256] = {0};
     char device[64] = {0};
     ventoy_os_param *param = NULL;
 
-    while ((ch = getopt(argc, argv, "c:f:p:v::")) != -1)
+    while ((ch = getopt(argc, argv, "c:f:p:s:v::")) != -1)
     {
         if (ch == 'f')
         {
@@ -541,6 +594,11 @@ int vtoydump_main(int argc, char **argv)
             print_path = 1;
             strncpy(filename, optarg, sizeof(filename) - 1);
         }
+        else if (ch == 's')
+        {
+            print_fs = 1;
+            strncpy(filename, optarg, sizeof(filename) - 1);
+        }
         else
         {
             fprintf(stderr, "Usage: %s -f datafile [ -v ] \n", argv[0]);
@@ -593,6 +651,10 @@ int vtoydump_main(int argc, char **argv)
     {
         rc = vtoy_printf_iso_path(param);
     }
+    else if (print_fs)
+    {
+        rc = vtoy_printf_fs(param);
+    }
     else if (device[0])
     {
         rc = vtoy_check_device(param, device);