cli: move str_to_uint to a separate file

CMakeLists.txt

@@ -54,6 +54,7 @@ list(APPEND TEST_ENV "TEST_RUNTIME_EXE=${TOYWASM_CLI}")
 set(cli_sources
 	"cli/main.c"
 	"cli/repl.c"
+	"cli/str_to_uint.c"
 )
 
 add_executable(toywasm-cli ${cli_sources})

cli/repl.c

@@ -32,6 +32,7 @@
 #include "nbio.h"
 #include "repl.h"
 #include "report.h"
+#include "str_to_uint.h"
 #include "suspend.h"
 #include "timeutil.h"
 #include "toywasm_version.h"
@@ -66,26 +67,6 @@
  */
 #define EXTERNREF_0 ((uintptr_t)(-1))
 
-int
-str_to_uint(const char *s, int base, uintmax_t *resultp)
-{
-        uintmax_t v;
-        char *ep;
-        errno = 0;
-        v = strtoumax(s, &ep, base);
-        if (s == ep) {
-                return EINVAL;
-        }
-        if (*ep != 0) {
-                return EINVAL;
-        }
-        if (errno != 0) {
-                return errno;
-        }
-        *resultp = v;
-        return 0;
-}
-
 int
 str_to_ptr(const char *s, int base, uintmax_t *resultp)
 {

cli/str_to_uint.c

@@ -0,0 +1,24 @@
+#include <errno.h>
+#include <inttypes.h>
+
+#include "str_to_uint.h"
+
+int
+str_to_uint(const char *s, int base, uintmax_t *resultp)
+{
+        uintmax_t v;
+        char *ep;
+        errno = 0;
+        v = strtoumax(s, &ep, base);
+        if (s == ep) {
+                return EINVAL;
+        }
+        if (*ep != 0) {
+                return EINVAL;
+        }
+        if (errno != 0) {
+                return errno;
+        }
+        *resultp = v;
+        return 0;
+}

cli/str_to_uint.h

@@ -0,0 +1,3 @@
+#include <stdint.h>
+
+int str_to_uint(const char *s, int base, uintmax_t *resultp);