diff --git a/examples/embd-input/embd-input-lib.cpp b/examples/embd-input/embd-input-lib.cpp
index 570e273fc..a313902f8 100644
--- a/examples/embd-input/embd-input-lib.cpp
+++ b/examples/embd-input/embd-input-lib.cpp
@@ -23,7 +23,7 @@ extern "C" {
 struct MyModel* create_mymodel(int argc, char ** argv) {
     gpt_params params;
 
-    if (gpt_params_parse(argc, argv, params) == false) {
+    if (!gpt_params_parse(argc, argv, params)) {
         return nullptr;
     }
 
diff --git a/examples/train-text-from-scratch/train-text-from-scratch.cpp b/examples/train-text-from-scratch/train-text-from-scratch.cpp
index c50eeb343..3662c2d82 100644
--- a/examples/train-text-from-scratch/train-text-from-scratch.cpp
+++ b/examples/train-text-from-scratch/train-text-from-scratch.cpp
@@ -2119,7 +2119,7 @@ struct llama_file {
         return (size_t) ret;
     }
 
-    void seek(size_t offset, int whence) {
+    void seek(size_t offset, int whence) const {
 #ifdef _WIN32
         int ret = _fseeki64(fp, (__int64) offset, whence);
 #else
@@ -2128,7 +2128,7 @@ struct llama_file {
         GGML_ASSERT(ret == 0); // same
     }
 
-    void read_raw(void * ptr, size_t size) {
+    void read_raw(void * ptr, size_t size) const {
         if (size == 0) {
             return;
         }
@@ -2142,19 +2142,19 @@ struct llama_file {
         }
     }
 
-    std::uint32_t read_u32() {
+    std::uint32_t read_u32() const {
         std::uint32_t ret;
         read_raw(&ret, sizeof(ret));
         return ret;
     }
 
-    std::string read_string(std::uint32_t len) {
+    std::string read_string(std::uint32_t len) const {
         std::vector<char> chars(len);
         read_raw(chars.data(), len);
         return std::string(chars.data(), len);
     }
 
-    void write_raw(const void * ptr, size_t size) {
+    void write_raw(const void * ptr, size_t size) const {
         if (size == 0) {
             return;
         }
@@ -2165,7 +2165,7 @@ struct llama_file {
         }
     }
 
-    void write_u32(std::uint32_t val) {
+    void write_u32(std::uint32_t val) const {
         write_raw(&val, sizeof(val));
     }
 
diff --git a/llama.cpp b/llama.cpp
index a869bbac8..6000f847f 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -734,7 +734,7 @@ struct llama_model_loader {
         }
     }
 
-    void load_data_for(llama_load_tensor & lt) {
+    void load_data_for(llama_load_tensor & lt) const {
         if (use_mmap) {
             lt.data = (uint8_t *) mapping->addr + lt.file_off;
         } else {