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added file_readWholeText

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Timerix 2025-11-26 23:52:18 +05:00
parent 6a7f0a8715
commit 83091ac707
2 changed files with 25 additions and 3 deletions
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6
include/tlibc/filesystem.h
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@ -133,10 +133,14 @@ static inline Result(void) file_readBytesArrayExactly(FILE* f, Array(u8) dst){
return file_readStructsExactly(f, dst.data, 1, dst.len); 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 /// @param out_buf output array allocated on heap
Result(void) file_readWhole(FILE* f, Array(u8)* out_buf); 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 // // DIRECTORY //
////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////

22
src/filesystem/file.c
View File

@ -142,10 +142,28 @@ Result(void) file_readWhole(FILE* f, Array(u8)* out_buf){
try(i64 f_size, i, file_getSize(f)); try(i64 f_size, i, file_getSize(f));
Array(u8) buf = Array_u8_alloc(f_size); Array(u8) buf = Array_u8_alloc(f_size);
Defer(if(!success) free(buf.data)); Defer(if(!success) Array_u8_destroy(&buf));
try_void(file_readBytesArray(f, buf));
try_void(file_readBytesArrayExactly(f, buf));
*out_buf = buf; *out_buf = buf;
success = true; success = true;
Return RESULT_VOID; 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;
}