more functions, cleanup and simple error checking

source/tegraexplorer/common/common.h

@@ -20,7 +20,8 @@ enum utils_err_codes_te_call {
     ERR_EMMC_READ_FAILED,
     ERR_EMMC_WRITE_FAILED,
     ERR_FILE_TOO_BIG_FOR_DEST,
-    ERR_SD_EJECTED
+    ERR_SD_EJECTED,
+    ERR_PARSE_FAIL
 };
 
 extern const char *utils_err_codes_te[];

source/tegraexplorer/common/strings.c

@@ -49,7 +49,8 @@ const char *utils_err_codes_te[] = { // these start at 50
     "EMMC READ FAILED",
     "EMMC WRITE FAILED",
     "FILE TOO BIG FOR DEST",
-    "SD EJECTED"
+    "SD EJECTED",
+    "PARSING FAILED"
 };
 
 const char *pkg2names[] = {