diff options
Diffstat (limited to 'lib/bio/puti.myr')
-rw-r--r-- | lib/bio/puti.myr | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/bio/puti.myr b/lib/bio/puti.myr new file mode 100644 index 0000000..16f014a --- /dev/null +++ b/lib/bio/puti.myr @@ -0,0 +1,62 @@ +use std + +use "bio.use" + +pkg bio = + /* unsigned big endian */ + generic putbe8 : (f : file#, v : @a::(numeric,integral) -> std.size) + generic putbe16 : (f : file#, v : @a::(numeric,integral) -> std.size) + generic putbe32 : (f : file#, v : @a::(numeric,integral) -> std.size) + generic putbe64 : (f : file#, v : @a::(numeric,integral) -> std.size) + + /* unsigned little endian */ + generic putle8 : (f : file#, v : @a::(numeric,integral) -> std.size) + generic putle16 : (f : file#, v : @a::(numeric,integral) -> std.size) + generic putle32 : (f : file#, v : @a::(numeric,integral) -> std.size) + generic putle64 : (f : file#, v : @a::(numeric,integral) -> std.size) +;; + +generic putbe8 = {f, v; -> putbe(f, v castto(uint64), 1)} +generic putbe16 = {f, v; -> putbe(f, v castto(uint64), 2)} +generic putbe32 = {f, v; -> putbe(f, v castto(uint64), 4)} +generic putbe64 = {f, v; -> putbe(f, v castto(uint64), 8)} + +generic putle8 = {f, v; -> putle(f, v castto(uint64), 1)} +generic putle16 = {f, v; -> putle(f, v castto(uint64), 2)} +generic putle32 = {f, v; -> putle(f, v castto(uint64), 4)} +generic putle64 = {f, v; -> putle(f, v castto(uint64), 8)} + +const putle = {f, v, n + var buf : byte[8] + + if !ensurewrite(f, n) + -> 0 + ;; + buf[0] = (v >> 0) & 0xff castto(byte) + buf[1] = (v >> 8) & 0xff castto(byte) + buf[2] = (v >> 16) & 0xff castto(byte) + buf[3] = (v >> 24) & 0xff castto(byte) + buf[4] = (v >> 32) & 0xff castto(byte) + buf[5] = (v >> 40) & 0xff castto(byte) + buf[6] = (v >> 48) & 0xff castto(byte) + buf[7] = (v >> 56) & 0xff castto(byte) + -> write(f, buf[:n]) +} + +const putbe = {f, v, n + var buf : byte[8] + + if !ensurewrite(f, n) + -> 0 + ;; + buf[0] = (v >> 56) & 0xff castto(byte) + buf[1] = (v >> 48) & 0xff castto(byte) + buf[2] = (v >> 40) & 0xff castto(byte) + buf[3] = (v >> 32) & 0xff castto(byte) + buf[4] = (v >> 24) & 0xff castto(byte) + buf[5] = (v >> 16) & 0xff castto(byte) + buf[6] = (v >> 8) & 0xff castto(byte) + buf[7] = (v >> 0) & 0xff castto(byte) + -> write(f, buf[8-n:]) +} + |