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Visual Studio does not come with unistd.h, but Windows do have write() and close() in io.h, so include io.h instead of unistd.h on Windows. For MinGW, unistd.h in turn includes io.h.
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* Copyright © 2021 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Matthias Clasen <mclasen@redhat.com>
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*/
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#include <glib.h>
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#include <glib/gstdio.h>
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#ifdef G_OS_WIN32
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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#include "testsuite/testutils.h"
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char *
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diff_with_file (const char *file1,
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char *text,
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gssize len,
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GError **error)
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{
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const char *command[] = { "diff", "-u", file1, NULL, NULL };
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char *diff, *tmpfile;
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int fd;
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diff = NULL;
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if (g_find_program_in_path ("diff"))
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{
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if (len < 0)
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len = strlen (text);
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/* write the text buffer to a temporary file */
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fd = g_file_open_tmp (NULL, &tmpfile, error);
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if (fd < 0)
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return NULL;
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if (write (fd, text, len) != (int) len)
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{
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close (fd);
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g_set_error (error,
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G_FILE_ERROR, G_FILE_ERROR_FAILED,
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"Could not write data to temporary file '%s'", tmpfile);
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goto done;
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}
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close (fd);
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command[3] = tmpfile;
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/* run diff command */
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g_spawn_sync (NULL,
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(char **) command,
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NULL,
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G_SPAWN_SEARCH_PATH,
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NULL, NULL,
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&diff,
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NULL, NULL,
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error);
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done:
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g_unlink (tmpfile);
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g_free (tmpfile);
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}
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else
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{
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char *buf1;
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gsize len1;
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if (!g_file_get_contents (file1, &buf1, &len1, error))
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return NULL;
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if ((len != -1 && len != len1) ||
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strncmp (text, buf1, len1) != 0)
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diff = g_strdup ("Files differ.\n");
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g_free (buf1);
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}
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return diff;
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}
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