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-rw-r--r--lib/std/cstrconv.myr40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/std/cstrconv.myr b/lib/std/cstrconv.myr
new file mode 100644
index 0000000..fa9e0bf
--- /dev/null
+++ b/lib/std/cstrconv.myr
@@ -0,0 +1,40 @@
+use "types.use"
+
+pkg std =
+ const cstrlen : (buf : byte[:] -> size)
+ const cstrconv : (buf : byte[:] -> byte[:])
+ const cstrconvp : (p : byte# -> byte[:])
+;;
+
+const cstrconv = {buf
+ var i
+
+ for i = 0; i < buf.len; i++
+ if buf[i] == 0
+ -> buf[:i]
+ ;;
+ ;;
+ -> buf
+}
+
+const cstrconvp = {p
+ var i, base
+
+ i = 0
+ base = p castto(intptr)
+ while ((base + i) castto(byte#))# != 0
+ i++
+ ;;
+ -> p[:i]
+}
+
+const cstrlen = {buf
+ var i
+
+ for i = 0; i < buf.len; i++
+ if buf[i] == 0
+ break
+ ;;
+ ;;
+ -> i
+}