Configure travis to test osx and linux

.travis.yml

@@ -1,24 +1,73 @@
-language: elixir
-elixir:
-  - 1.9
-otp_release:
-  - 22.0
-matrix:
-  include:
-    - elixir: 1.6
-      otp_release: 19.3
-    - elixir: 1.7
-      otp_release: 21.0
-    - elixir: 1.8
-      otp_release: 21.0
-    - elixir: 1.9
-      otp_release: 22.0
-    - elixir: 1.6
-      otp_release: 19.3
-    - elixir: 1.7
-      otp_release: 21.0
-    - elixir: 1.8
-      otp_release: 21.0
-    - elixir: 1.9
-      otp_release: 22.0
-sudo: false
+# language: elixir
+language: c
+
+os:
+  - linux
+  - osx
+
+addons:
+  apt:
+    packages:
+      - elixir
+      - cmake
+      - erlang-dev
+      - erlang-xmerl
+      - erlang-parsetools
+  homebrew:
+    packages:
+      - cmake
+      - elixir
+      - erlang
+
+script: ./build.sh
+
+# elixir:
+#   - 1.9
+# otp_release:
+#   - 22.0
+# matrix:
+#   include:
+#     # - elixir: 1.6
+#     #   otp_release: 19.3
+#     # - elixir: 1.7
+#     #   otp_release: 21.0
+#     - elixir: 1.8
+#       otp_release: 21.0
+#     - elixir: 1.9
+#       otp_release: 22.0
+sudo: false
+
+# language: elixir
+# os:
+#   - linux
+#   - osx
+# elixir:
+#   - 1.8
+# otp_release:
+#   - 21.0
+# # elixir:
+# #   - 1.9
+# # otp_release:
+# #   - 22.0
+# # matrix:
+# #   include:
+# #     # - elixir: 1.6
+# #     #   otp_release: 19.3
+# #     # - elixir: 1.7
+# #     #   otp_release: 21.0
+# #     - elixir: 1.8
+# #       otp_release: 21.0
+# #     - elixir: 1.9
+# #       otp_release: 22.0
+# sudo: false
+
+# - name: "travis-osx"
+#     os: osx
+#     osx_image: xcode10
+#     addons:
+#       homebrew:
+#         packages:
+#           - cmake
+#           - elixir
+#     - erlang
+#   sudo: false

build.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+mix local.hex --force
+mix deps.get
+mix deps.compile
+mix compile

target/modest_worker/test/open_memstream_test.c

@@ -0,0 +1,36 @@
+
+#include "test_includes.h"
+/*
+To check for memory leaks execute test with term_arrayalgrind.
+
+  valgrind --leak-check=yes target/modest_worker/build/test/open_memstream_test
+
+*/
+int main(int argc, const char* argterm_array[])
+{
+
+  FILE *stream;
+  char *buf;
+  size_t len;
+  off_t eob;
+
+  stream = open_memstream (&buf, &len);
+  if (stream == NULL)
+    /* handle error */ ;
+    TEST_ERROR
+    return 1;
+
+  fprintf (stream, "hello my world");
+  fflush (stream);
+  printf ("buf=%s, len=%zu\n", buf, len);
+  eob = ftello(stream);
+  fseeko (stream, 0, SEEK_SET);
+  fprintf (stream, "good-bye");
+  fseeko (stream, eob, SEEK_SET);
+  fclose (stream);
+  printf ("buf=%s, len=%zu\n", buf, len);
+  free (buf);
+
+  printf("ok\n");
+  return 0;
+}

target/modest_worker/utils/open_memstream.c

@@ -0,0 +1,226 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2013 Hudson River Trading LLC
+ * Written by: John H. Baldwin <[email protected]>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef __APPLE__
+#include <sys/cdefs.h>
+// __FBSDID("$FreeBSD$");
+
+// #include "namespace.h"
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#ifdef DEBUG
+#include <stdint.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+// #include "un-namespace.h"
+
+/* XXX: There is no FPOS_MAX.  This assumes fpos_t is an off_t. */
+#define	FPOS_MAX	OFF_MAX
+
+struct memstream {
+	char **bufp;
+	size_t *sizep;
+	ssize_t len;
+	fpos_t offset;
+};
+
+static int
+memstream_grow(struct memstream *ms, fpos_t newoff)
+{
+	char *buf;
+	ssize_t newsize;
+
+	if (newoff < 0 || newoff >= SSIZE_MAX)
+		newsize = SSIZE_MAX - 1;
+	else
+		newsize = newoff;
+	if (newsize > ms->len) {
+		buf = realloc(*ms->bufp, newsize + 1);
+		if (buf != NULL) {
+#ifdef DEBUG
+			fprintf(stderr, "MS: %p growing from %zd to %zd\n",
+			    ms, ms->len, newsize);
+#endif
+			memset(buf + ms->len + 1, 0, newsize - ms->len);
+			*ms->bufp = buf;
+			ms->len = newsize;
+			return (1);
+		}
+		return (0);
+	}
+	return (1);
+}
+
+static void
+memstream_update(struct memstream *ms)
+{
+
+	assert(ms->len >= 0 && ms->offset >= 0);
+	*ms->sizep = ms->len < ms->offset ? ms->len : ms->offset;
+}
+
+static int
+memstream_write(void *cookie, const char *buf, int len)
+{
+	struct memstream *ms;
+	ssize_t tocopy;
+
+	ms = cookie;
+	if (!memstream_grow(ms, ms->offset + len))
+		return (-1);
+	tocopy = ms->len - ms->offset;
+	if (len < tocopy)
+		tocopy = len;
+	memcpy(*ms->bufp + ms->offset, buf, tocopy);
+	ms->offset += tocopy;
+	memstream_update(ms);
+#ifdef DEBUG
+	fprintf(stderr, "MS: write(%p, %d) = %zd\n", ms, len, tocopy);
+#endif
+	return (tocopy);
+}
+
+static fpos_t
+memstream_seek(void *cookie, fpos_t pos, int whence)
+{
+	struct memstream *ms;
+#ifdef DEBUG
+	fpos_t old;
+#endif
+
+	ms = cookie;
+#ifdef DEBUG
+	old = ms->offset;
+#endif
+	switch (whence) {
+	case SEEK_SET:
+		/* _fseeko() checks for negative offsets. */
+		assert(pos >= 0);
+		ms->offset = pos;
+		break;
+	case SEEK_CUR:
+		/* This is only called by _ftello(). */
+		assert(pos == 0);
+		break;
+	case SEEK_END:
+		if (pos < 0) {
+			if (pos + ms->len < 0) {
+#ifdef DEBUG
+				fprintf(stderr,
+				    "MS: bad SEEK_END: pos %jd, len %zd\n",
+				    (intmax_t)pos, ms->len);
+#endif
+				errno = EINVAL;
+				return (-1);
+			}
+		} else {
+			if (FPOS_MAX - ms->len < pos) {
+#ifdef DEBUG
+				fprintf(stderr,
+				    "MS: bad SEEK_END: pos %jd, len %zd\n",
+				    (intmax_t)pos, ms->len);
+#endif
+				errno = EOVERFLOW;
+				return (-1);
+			}
+		}
+		ms->offset = ms->len + pos;
+		break;
+	}
+	memstream_update(ms);
+#ifdef DEBUG
+	fprintf(stderr, "MS: seek(%p, %jd, %d) %jd -> %jd\n", ms, (intmax_t)pos,
+	    whence, (intmax_t)old, (intmax_t)ms->offset);
+#endif
+	return (ms->offset);
+}
+
+static int
+memstream_close(void *cookie)
+{
+
+	free(cookie);
+	return (0);
+}
+
+FILE *
+open_memstream(char **bufp, size_t *sizep)
+{
+	printf("open_memstream\n");
+	struct memstream *ms;
+	int save_errno;
+	FILE *fp;
+
+	if (bufp == NULL || sizep == NULL) {
+		errno = EINVAL;
+		printf("EINVAL\n");
+		return (NULL);
+	}
+	*bufp = calloc(1, 1);
+	printf("calloc\n");
+	if (*bufp == NULL)
+		printf("calloc NULL\n");
+		return (NULL);
+	ms = malloc(sizeof(*ms));
+	printf("malloc\n");
+	if (ms == NULL) {
+		printf("malloc NULL\n");
+		save_errno = errno;
+		free(*bufp);
+		*bufp = NULL;
+		errno = save_errno;
+		return (NULL);
+	}
+	ms->bufp = bufp;
+	ms->sizep = sizep;
+	ms->len = 0;
+	ms->offset = 0;
+	memstream_update(ms);
+	printf("memstream_update\n");
+	fp = funopen(ms, NULL, memstream_write, memstream_seek,
+	    memstream_close);
+	printf("funopen\n");
+	if (fp == NULL) {
+		printf("funopen NULL\n");
+		save_errno = errno;
+		free(ms);
+		free(*bufp);
+		*bufp = NULL;
+		errno = save_errno;
+		return (NULL);
+	}
+	printf("return fp\n");
+	fwide(fp, -1);
+	return (fp);
+}
+#endif