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From 3860ab78d9fe5c34785aabc2227ebc8687b1171b Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Thu, 5 Sep 2019 09:00:14 +0100
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Subject: [PATCH] ocaml: Change calls to caml_named_value() to cope with const
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value* return.
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In OCaml >= 4.09 the return value pointer of caml_named_value is
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declared const.
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Based on Pino Toscano's original patch to ocaml-augeas.
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(cherry picked from commit 9788fa50601ad4f1eab56d0b763591268026e536)
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---
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common/mlpcre/pcre-c.c | 3 +--
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common/mltools/uri-c.c | 6 ++----
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common/mlvisit/visit-c.c | 4 +---
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3 files changed, 4 insertions(+), 9 deletions(-)
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diff --git a/common/mlpcre/pcre-c.c b/common/mlpcre/pcre-c.c
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index 0762a8341..07f99b8d6 100644
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--- a/common/mlpcre/pcre-c.c
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+++ b/common/mlpcre/pcre-c.c
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@@ -73,12 +73,11 @@ init (void)
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static void
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raise_pcre_error (const char *msg, int errcode)
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{
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- value *exn = caml_named_value ("PCRE.Error");
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value args[2];
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args[0] = caml_copy_string (msg);
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args[1] = Val_int (errcode);
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- caml_raise_with_args (*exn, 2, args);
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+ caml_raise_with_args (*caml_named_value ("PCRE.Error"), 2, args);
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}
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/* Wrap and unwrap pcre regular expression handles, with a finalizer. */
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diff --git a/common/mltools/uri-c.c b/common/mltools/uri-c.c
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index 2a8837cd9..e03647c7b 100644
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--- a/common/mltools/uri-c.c
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+++ b/common/mltools/uri-c.c
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@@ -46,10 +46,8 @@ guestfs_int_mllib_parse_uri (value argv /* arg value, not an array! */)
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int r;
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r = parse_uri (String_val (argv), &uri);
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- if (r == -1) {
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- value *exn = caml_named_value ("URI.Parse_failed");
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- caml_raise (*exn);
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- }
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+ if (r == -1)
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+ caml_raise (*caml_named_value ("URI.Parse_failed"));
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/* Convert the struct into an OCaml tuple. */
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rv = caml_alloc_tuple (5);
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diff --git a/common/mlvisit/visit-c.c b/common/mlvisit/visit-c.c
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index 7137c4998..201f6d762 100644
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--- a/common/mlvisit/visit-c.c
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+++ b/common/mlvisit/visit-c.c
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@@ -53,7 +53,6 @@ value
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guestfs_int_mllib_visit (value gv, value dirv, value fv)
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{
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CAMLparam3 (gv, dirv, fv);
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- value *visit_failure_exn;
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guestfs_h *g = (guestfs_h *) (intptr_t) Int64_val (gv);
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struct visitor_function_wrapper_args args;
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/* The dir string could move around when we call the
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@@ -84,8 +83,7 @@ guestfs_int_mllib_visit (value gv, value dirv, value fv)
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* already printed the error to stderr (XXX - fix), so we raise a
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* generic exception.
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*/
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- visit_failure_exn = caml_named_value ("Visit.Failure");
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- caml_raise (*visit_failure_exn);
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+ caml_raise (*caml_named_value ("Visit.Failure"));
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}
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free (dir);
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--
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2.18.4
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