1 files changed, 79 insertions, 0 deletions
diff --git a/backend/dvi/mdvi-lib/files.c b/backend/dvi/mdvi-lib/files.c
new file mode 100644
index 0000000..0ed893b
--- /dev/null
+++ b/backend/dvi/mdvi-lib/files.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2000, Matias Atria
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#include "common.h"
+
+char	*dgets(Dstring *dstr, FILE *in)
+{
+	char	buffer[256];
+	
+	dstr->length = 0;
+	if(feof(in))
+		return NULL;
+	while(fgets(buffer, 256, in) != NULL) {
+		int	len = strlen(buffer);
+		
+ 		if(buffer[len-1] == '\n') {
+			dstring_append(dstr, buffer, len - 1);
+			break;
+		}
+		dstring_append(dstr, buffer, len);
+	}
+	if(dstr->data)
+		dstr->data[dstr->length] = 0;
+	return dstr->data;
+}
+
+/* some simple helper functions to manipulate file names */
+
+const char *file_basename(const char *filename)
+{
+	const char *ptr = strrchr(filename, '/');
+	
+	return (ptr ? ptr + 1 : filename);
+}
+
+const char *file_extension(const char *filename)
+{
+	const char *ptr = strchr(file_basename(filename), '.');
+	
+	return (ptr ? ptr + 1 : NULL);
+}
+
+int	file_readable(const char *filename)
+{
+	int	status = (access(filename, R_OK) == 0);
+	
+	DEBUG((DBG_FILES, "file_redable(%s) -> %s\n",
+		filename, status ? "Yes" : "No"));
+	return status;
+}
+
+int	file_exists(const char *filename)
+{
+	int	status = (access(filename, F_OK) == 0);
+	
+	DEBUG((DBG_FILES, "file_exists(%s) -> %s\n",
+		filename, status ? "Yes" : "No"));
+	return status;
+}
+