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Show a warning message if ventoy.json is in UCS-2 encoding. (#1125)

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ventoy.json must in UTF-8 encoding. The BOM is auto skipped if exist.
This commit is contained in:
longpanda
2021-11-08 14:55:08 +08:00
parent 32602a79ab
commit a9c539572b
2 changed files with 30 additions and 5 deletions
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22
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_plugin.c
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@@ -2399,7 +2399,9 @@ static int ventoy_parse_plugin_config(VTOY_JSON *json, const char *isodisk)
grub_err_t ventoy_cmd_load_plugin(grub_extcmd_context_t ctxt, int argc, char **args)
{
int ret = 0;
int offset = 0;
char *buf = NULL;
grub_uint8_t *code = NULL;
grub_file_t file;
VTOY_JSON *json = NULL;
@@ -2436,9 +2438,25 @@ grub_err_t ventoy_cmd_load_plugin(grub_extcmd_context_t ctxt, int argc, char **a
return 1;
}
code = (grub_uint8_t *)buf;
if (code[0] == 0xef && code[1] == 0xbb && code[2] == 0xbf)
{
offset = 3; /* Skip UTF-8 BOM */
}
else if ((code[0] == 0xff && code[1] == 0xfe) || (code[0] == 0xfe && code[1] == 0xff))
{
grub_env_set("VTOY_PLUGIN_SYNTAX_ERROR", "1");
grub_env_export("VTOY_PLUGIN_SYNTAX_ERROR");
ret = vtoy_json_parse(json, buf);
grub_env_set("VTOY_PLUGIN_ENCODE_ERROR", "1");
grub_env_export("VTOY_PLUGIN_ENCODE_ERROR");
debug("Failed to parse json string %d\n", ret);
grub_free(buf);
return 1;
}
ret = vtoy_json_parse(json, buf + offset);
if (ret)
{
grub_env_set("VTOY_PLUGIN_SYNTAX_ERROR", "1");