diff options
Diffstat (limited to 'read_dword.h')
| -rw-r--r-- | read_dword.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/read_dword.h b/read_dword.h index e7150c0..499fd1d 100644 --- a/read_dword.h +++ b/read_dword.h @@ -18,24 +18,40 @@ * along with Mtools. If not, see <http://www.gnu.org/licenses/>. */ -static Dword read_dword(int handle) +static Dword read_dword(int handle) { Byte val[4]; - + if(read(handle, (char *)val, 4) < 4) return (Dword) -1; return byte2dword(val); } -UNUSED(static Qword read_qword(int handle) ) +UNUSED(static int32_t read_sdword(int handle)) +{ + Byte val[4]; + + if(read(handle, (char *)val, 4) < 4) + return (int32_t) -1; + + return byte2sdword(val); +} + + +struct SQwordRet { int64_t v; int err; }; +UNUSED(static struct SQwordRet read_sqword(int handle) ) { Byte val[8]; - - if(read(handle, (char *)val, 8) < 8) - return -1; + struct SQwordRet ret; - return byte2qword(val); + if(read(handle, (char *)val, 8) < 8) { + ret.err=-1; + } else { + ret.v = (int64_t) byte2qword(val); + ret.err = 0; + } + return ret; } #endif |