add: calling parse() from C

.gitignore

@@ -4,4 +4,5 @@ testrun-*
 testrun
 kind_config
 **/.DS_Store
-k8s_util/lib/k8sutil.so
+k8s_util/lib/k8sutil.so
+k8s_util/lib/test

k8s_util/k8sutil.py

@@ -9,6 +9,7 @@ def canonicalizeQuantity(value):
     parse = k8sutil.parse
     parse.argtypes = [ctypes.c_char_p]
     parse.restype = ctypes.c_void_p
+    # print(str(value).encode("utf-8"))
     parse_output = parse(str(value).encode("utf-8"))
     parse_bytes = ctypes.string_at(parse_output)
     parse_string = parse_bytes.decode('utf-8')
@@ -30,8 +31,10 @@ def canonicalizeQuantity(value):
     # print(canonicalizeQuantity('.01Ki'))
     # assert(float(canonicalizeQuantity('-.484785E-7466')) == float(canonicalizeQuantity('0')))
     # print(canonicalizeQuantity('+4678410156.347680E+.6994785'))
-    print(canonicalizeQuantity("+838612.516637636"))
-    print(canonicalizeQuantity("838612517m"))
+    # print(canonicalizeQuantity("+838612.516637636"))
+    # print(canonicalizeQuantity("838612517m"))
     # assert(canonicalizeQuantity("+838612.516637636") == canonicalizeQuantity("838612517m"))
-    print(canonicalizeQuantity('+099'))
-    print(canonicalizeQuantity('99'))
+    # print(canonicalizeQuantity('+099'))
+    # print(canonicalizeQuantity('99'))
+    print(canonicalizeQuantity(".2316344e999842"))
+    # print(canonicalizeQuantity("-92743e6047801799")) # crash

k8s_util/lib/Makefile

@@ -1,5 +1,7 @@
 k8sutil:
 	go build -buildmode=c-shared -o k8sutil.so k8sutil.go
+	gcc test.c -o test ./k8sutil.so
 
 clean:
-	rm ./k8sutil.so
+	rm ./k8sutil.so
+	rm ./test

k8s_util/lib/k8sutil.go

@@ -20,7 +20,7 @@ func parse(valuePtr *C.char) *C.char {
 
 func main() {
 	// fmt.Println("Hello, world.")
-	test := "+4678410156.347680E+.6994785"
+	test := "-92743e6047801799"
 	ans, err := resource.ParseQuantity(test)
 	if err != nil {
 		fmt.Printf("Error in converting the string %v", err)

k8s_util/lib/test.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include "k8sutil.h"
+
+int main(){
+    char *name = "-92743e6047801799";
+    printf("The string after parsing is: %s\n", parse(name));
+    return 0;
+}