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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:46:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:46:30 +0000 |
| commit | b5896ba9f6047e7031e2bdee0622d543e11a6734 (patch) | |
| tree | fd7b460593a2fee1be579bec5697e6d887ea3421 /src/global/record.h | |
| parent | Initial commit. (diff) | |
| download | postfix-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.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/global/record.h b/src/global/record.h new file mode 100644 index 0000000..8394f6b --- /dev/null +++ b/src/global/record.h @@ -0,0 +1,82 @@ +#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 |