1 files changed, 90 insertions, 0 deletions
diff --git a/maildir/maildirshared2.c b/maildir/maildirshared2.c
new file mode 100644
index 0000000..055a641
--- /dev/null
+++ b/maildir/maildirshared2.c
@@ -0,0 +1,90 @@
+/*
+** Copyright 2000 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#include	"config.h"
+#include	"maildirmisc.h"
+#include	<stdio.h>
+#include	<string.h>
+#include	<stdlib.h>
+#include	<ctype.h>
+#include	<errno.h>
+
+
+FILE *maildir_shared_fopen(const char *maildir, const char *mode)
+{
+char	*m;
+FILE	*fp;
+
+	m=malloc(strlen(maildir)+sizeof("/shared-maildirs"));
+	if (!m)
+	{
+		perror("malloc");
+		return (0);
+	}
+	strcat(strcpy(m, maildir), "/shared-maildirs");
+
+	fp=fopen(m, mode);
+	free(m);
+	return (fp);
+}
+
+void maildir_shared_fparse(char *p, char **name, char **dir)
+{
+char	*q;
+
+	*name=0;
+	*dir=0;
+
+	if ((q=strchr(p, '\n')) != 0)	*q=0;
+	if ((q=strchr(p, '#')) != 0)	*q=0;
+
+	for (q=p; *q; q++)
+		if (isspace((int)(unsigned char)*q))	break;
+	if (!*q)	return;
+	*q++=0;
+	while (*q && isspace((int)(unsigned char)*q))
+		++q;
+	if (*q)
+	{
+		*name=p;
+		*dir=q;
+	}
+}
+
+char *maildir_shareddir(const char *maildir, const char *sharedname)
+{
+char    *p, *q;
+const char *r;
+
+	if (!maildir)   maildir=".";
+
+	if (strchr(sharedname, '.') == 0 || *sharedname == '.' ||
+		strchr(sharedname, '/'))
+	{
+		errno=EINVAL;
+		return (0);
+	}
+
+	for (r=sharedname; *r; r++)
+	{
+		if (*r == '.' && (r[1] == '.' || r[1] == '\0'))
+		{
+			errno=EINVAL;
+			return (0);
+		}
+	}
+
+	p=malloc(strlen(maildir)+sizeof("/" SHAREDSUBDIR "/")+strlen(sharedname));
+	if (!p)	return (0);
+
+        *p=0;
+        if (strcmp(maildir, "."))
+		strcat(strcpy(p, maildir), "/");
+	strcat(p, SHAREDSUBDIR "/");
+	q=p+strlen(p);
+	strcpy(q, sharedname);
+	*strchr(q, '.')='/';
+	return (p);
+}