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lifegpc
2022-01-09 18:03:02 +08:00
parent 0a9e149e66
commit 78a3e890d2
6 changed files with 228 additions and 0 deletions
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24
file_reader.c
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@@ -60,6 +60,30 @@ void set_file_reader_endian(file_reader_file* f, unsigned char endian) {
f->endian = endian;
}
int file_reader_align(file_reader_file* f) {
if (!f) return 1;
int64_t ofs = f->tell(f->f);
if (ofs == -1) return 1;
int64_t nofs = (ofs + 3) & -4;
if (f->seek(f->f, nofs - ofs, SEEK_CUR)) return 1;
return 0;
}
size_t file_reader_read(file_reader_file* f, size_t buf_len, char* buf) {
if (!f || !buf) return 0;
return f->read(f->f, buf_len, buf);
}
int file_reader_seek(file_reader_file* f, int64_t offset, int origin) {
if (!f) return 1;
return f->seek(f->f, offset, origin);
}
int64_t file_reader_tell(file_reader_file* f) {
if (!f) return -1;
return f->tell(f->f);
}
int file_reader_read_char(file_reader_file* f, char* re) {
if (!f) return 1;
char buf[1];