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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:46:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:46:30 +0000
commitb5896ba9f6047e7031e2bdee0622d543e11a6734 (patch)
treefd7b460593a2fee1be579bec5697e6d887ea3421 /src/global/record.h
parentInitial commit. (diff)
downloadpostfix-b5896ba9f6047e7031e2bdee0622d543e11a6734.tar.xz
postfix-b5896ba9f6047e7031e2bdee0622d543e11a6734.zip
Adding upstream version 3.4.23.upstream/3.4.23upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/global/record.h')
-rw-r--r--src/global/record.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/global/record.h b/src/global/record.h
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+#ifndef _RECORD_H_INCLUDED_
+#define _RECORD_H_INCLUDED_
+
+/*++
+/* NAME
+/* record 3h
+/* SUMMARY
+/* simple typed record I/O
+/* SYNOPSIS
+/* #include <record.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+ * System library.
+ */
+#include <stdarg.h>
+
+ /*
+ * Utility library.
+ */
+#include <vstring.h>
+#include <vstream.h>
+
+ /*
+ * Record type values are positive numbers 0..255. Negative record type
+ * values are reserved for diagnostics.
+ */
+#define REC_TYPE_EOF -1 /* no record */
+#define REC_TYPE_ERROR -2 /* bad record */
+
+ /*
+ * Functional interface.
+ */
+extern int rec_get_raw(VSTREAM *, VSTRING *, ssize_t, int);
+extern int rec_put(VSTREAM *, int, const char *, ssize_t);
+extern int rec_put_type(VSTREAM *, int, off_t);
+extern int PRINTFLIKE(3, 4) rec_fprintf(VSTREAM *, int, const char *,...);
+extern int rec_fputs(VSTREAM *, int, const char *);
+extern int rec_goto(VSTREAM *, const char *);
+extern int rec_pad(VSTREAM *, int, ssize_t);
+
+#define REC_PUT_BUF(v, t, b) rec_put((v), (t), vstring_str(b), VSTRING_LEN(b))
+
+#define REC_FLAG_NONE (0)
+#define REC_FLAG_FOLLOW_PTR (1<<0) /* follow PTR records */
+#define REC_FLAG_SKIP_DTXT (1<<1) /* skip DTXT records */
+#define REC_FLAG_SEEK_END (1<<2) /* seek EOF after END record */
+
+#define REC_FLAG_DEFAULT \
+ (REC_FLAG_FOLLOW_PTR | REC_FLAG_SKIP_DTXT | REC_FLAG_SEEK_END)
+
+#define REC_GET_HIDDEN_TYPE(t) \
+ ((t) == REC_TYPE_PTR || (t) == REC_TYPE_DTXT)
+
+#define rec_get(fp, buf, limit) \
+ rec_get_raw((fp), (buf), (limit), REC_FLAG_DEFAULT)
+
+#define REC_SPACE_NEED(buflen, reclen) do { \
+ ssize_t _c, _l; \
+ for (_c = 1, _l = (buflen); (_l >>= 7U) != 0; _c++) \
+ ; \
+ (reclen) = 1 + _c + (buflen); \
+ } while (0)
+
+ /*
+ * Stuff that needs <stdarg.h>
+ */
+extern int rec_vfprintf(VSTREAM *, int, const char *, va_list);
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*--*/
+
+#endif