Mercurial > dovecot > core-2.2
view src/lib/ostream-hash.c @ 22636:96e51a11c0aa
lib: Implement t_strsplit_tabescaped_inplace()
This is a more efficient version of t_strsplit_tabescaped(), which modifies
the input string instead of duplicating it.
author | Timo Sirainen <timo.sirainen@dovecot.fi> |
---|---|
date | Sat, 04 Nov 2017 01:39:38 +0200 |
parents | 2e2563132d5f |
children | cb108f786fb4 |
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/* Copyright (c) 2013-2017 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "hash-method.h" #include "ostream-private.h" #include "ostream-hash.h" struct hash_ostream { struct ostream_private ostream; const struct hash_method *method; void *hash_context; }; static ssize_t o_stream_hash_sendv(struct ostream_private *stream, const struct const_iovec *iov, unsigned int iov_count) { struct hash_ostream *hstream = (struct hash_ostream *)stream; unsigned int i; size_t bytes_left, block_len; ssize_t ret; if ((ret = o_stream_sendv(stream->parent, iov, iov_count)) < 0) { o_stream_copy_error_from_parent(stream); return -1; } if (ret > 0) { bytes_left = ret; for (i = 0; i < iov_count && bytes_left > 0; i++) { block_len = iov[i].iov_len <= bytes_left ? iov[i].iov_len : bytes_left; hstream->method->loop(hstream->hash_context, iov[i].iov_base, block_len); bytes_left -= block_len; } } stream->ostream.offset += ret; return ret; } struct ostream * o_stream_create_hash(struct ostream *output, const struct hash_method *method, void *hash_context) { struct hash_ostream *hstream; hstream = i_new(struct hash_ostream, 1); hstream->ostream.sendv = o_stream_hash_sendv; hstream->method = method; hstream->hash_context = hash_context; return o_stream_create(&hstream->ostream, output, o_stream_get_fd(output)); }