str_expand fix

README.md

@@ -8,7 +8,10 @@ C library with collections, strings, exceptions, io...
     git clone https://timerix.ddns.net/git/Timerix/tlibc.git
     ```
 
-2. Install [cbuild](https://timerix.ddns.net/git/Timerix/cbuild) version specified in `project.config`.
+2. Install [cbuild](https://timerix.ddns.net/git/Timerix/cbuild/releases). 
+    Select latest version compatible with the one in `project.config`.
+    Example: For `2.3.0` download latest `2.3.x`.
+
 
 3. Build static library
     ```

include/tlibc/collections/List.h

@@ -37,8 +37,18 @@ static inline List(T) List_##T##_copy(const List(T)* src) { \
  \
 static inline void List_##T##_destroy(List(T)* self) { _List_destroy((void*)self); } \
  \
+/* alloc bigger buffer if size + len_to_add won't fit in current */ \
+static inline void List_##T##_increaseCapacity(List(T)* self, u32 len_to_add){ \
+    _List_increaseCapacity((void*)self, len_to_add); \
+} \
+ \
+/* call increaseCapacity and return pointer to next empty cell */ \
+static inline T* List_##T##_expand(List(T)* self, u32 len_to_add){ \
+    return (T*)_List_expand((void*)self, len_to_add); \
+} \
+ \
 static inline void List_##T##_push(List(T)* self, T value) { \
-    T* empty_cell = (T*)(_List_expand((void*)self, 1)); \
+    T* empty_cell = List_##T##_expand(self, 1); \
     *empty_cell = value; \
 } \
  \
@@ -46,11 +56,6 @@ static inline void List_##T##_pushMany(List(T)* self, T* values_ptr, u32 len) {
     _List_push((void*)self, values_ptr, len); \
 } \
  \
-/* alloc bigger buffer if size + len_to_add won't fit in current */ \
-static inline void List_##T##_increaseCapacity(List(T)* self, u32 len_to_add){ \
-    _List_increaseCapacity((void*)self, len_to_add); \
-} \
- \
 static inline bool List_##T##_tryRemoveAt(List(T)* self, u32 i, u32 remove_len) ATTRIBUTE_WARN_UNUSED_RESULT; \
 static inline bool List_##T##_tryRemoveAt(List(T)* self, u32 i, u32 remove_len) { \
     return _List_tryRemoveAt((void*)self, i, remove_len); \

include/tlibc/filesystem.h

@@ -133,10 +133,14 @@ static inline Result(void) file_readBytesArrayExactly(FILE* f, Array(u8) dst){
     return file_readStructsExactly(f, dst.data, 1, dst.len);
 }
 
-/// @brief allocates array of size equal `file_getSize()` and reads whole file
+/// @brief allocates buffer of size `file_getSize(f)` and reads whole file
 /// @param out_buf output array allocated on heap
 Result(void) file_readWhole(FILE* f, Array(u8)* out_buf);
 
+/// @brief allocates buffer of size `file_getSize(f) + 1` and reads whole file
+/// @param out_str output str allocated on heap, null-terminated
+Result(void) file_readWholeText(FILE* f, str* out_str);
+
 //////////////////////////////////////////////////////////////////////////////
 //                                DIRECTORY                                 //
 //////////////////////////////////////////////////////////////////////////////

include/tlibc/string/str.h

@@ -13,7 +13,13 @@ typedef struct str {
     bool isZeroTerminated;
 } str;
 
+/*
+USAGE:
+str s = STR("something");
+printf(FMT_str"\n", str_expand(s));
+*/
 #define FMT_str "%.*s"
+#define str_expand(S) (S).len, (S).data
 
 /// creates str from a string literal
 #define STR(LITERAL) str_construct(LITERAL, ARRAY_LEN(LITERAL) - 1, true)

src/filesystem/file.c

@@ -142,10 +142,28 @@ Result(void) file_readWhole(FILE* f, Array(u8)* out_buf){
     
     try(i64 f_size, i, file_getSize(f));
     Array(u8) buf = Array_u8_alloc(f_size);
-    Defer(if(!success) free(buf.data));
-    try_void(file_readBytesArray(f, buf));
+    Defer(if(!success) Array_u8_destroy(&buf));
+
+    try_void(file_readBytesArrayExactly(f, buf));
 
     *out_buf = buf;
     success = true;
     Return RESULT_VOID;
 }
+
+Result(void) file_readWholeText(FILE* f, str* out_str){
+    Deferral(1);
+    bool success = false;
+    
+    try(i64 f_size, i, file_getSize(f));
+    Array(u8) buf = Array_u8_alloc(f_size + 1);
+    Defer(if(!success) Array_u8_destroy(&buf));
+    buf.len--;
+    
+    try_void(file_readBytesArrayExactly(f, buf));
+    buf.data[buf.len] = '\0';
+
+    *out_str = Array_u8_castTo_str(buf, true);
+    success = true;
+    Return RESULT_VOID;
+}