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file_readWhole

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Timerix 2025-11-18 14:18:09 +05:00
parent 89aab2b5bf
commit bc41577248
2 changed files with 18 additions and 0 deletions
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4
include/tlibc/filesystem.h
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@ -130,6 +130,10 @@ static inline Result(void) file_readBytesArrayExactly(FILE* f, Array(u8) dst){
return file_readStructsExactly(f, dst.data, 1, dst.size); return file_readStructsExactly(f, dst.data, 1, dst.size);
} }
/// @brief allocates array of size equal `file_getSize()` and reads whole file
/// @param out_buf output array allocated on heap
Result(void) file_readWhole(FILE* f, Array(u8)* out_buf);
////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////
// DIRECTORY // // DIRECTORY //
////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////

14
src/filesystem/file.c
View File

@ -124,3 +124,17 @@ Result(void) file_readStructsExactly(FILE* f, void* dst, u64 struct_size, u64 ex
} }
return RESULT_VOID; return RESULT_VOID;
} }
Result(void) file_readWhole(FILE* f, Array(u8)* out_buf){
Deferral(1);
bool success = false;
try(i64 f_size, i, file_getSize(f));
Array(u8) buf = Array_alloc(u8, f_size);
Defer(if(!success) free(buf.data));
try_void(file_readBytesArray(f, buf));
*out_buf = buf;
success = true;
Return RESULT_VOID;
}