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63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/*
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lorem.c - lorem ipsum generator to stdout
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Copyright (C) Yann Collet 2024
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GPL v2 License
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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You can contact the author at :
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- LZ4 source repository : https://github.com/lz4/lz4
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- Public forum : https://groups.google.com/forum/#!forum/lz4c
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*/
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/* Implementation notes:
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* Generates a stream of Lorem ipsum paragraphs to stdout,
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* up to the requested size, which can be very large (> 4 GB).
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* Note that, beyond 1 paragraph, this generator produces
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* a different content than LOREM_genBuffer (even when using same seed).
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*/
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#include "platform.h" /* Compiler options, SET_BINARY_MODE */
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#include "loremOut.h"
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#include "lorem.h" /* LOREM_genBlock */
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#include <stdio.h>
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#include <assert.h>
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define LOREM_BLOCKSIZE (2 << 10)
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void LOREM_genOut(unsigned long long size, unsigned seed)
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{
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char buff[LOREM_BLOCKSIZE] = {0};
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unsigned long long total = 0;
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size_t genBlockSize = (size_t)MIN(size, LOREM_BLOCKSIZE);
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/* init */
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SET_BINARY_MODE(stdout);
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/* Generate Ipsum text, one paragraph at a time */
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while (total < size) {
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size_t generated = LOREM_genBlock(buff, genBlockSize, seed++, total == 0, 0);
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assert(generated <= genBlockSize);
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total += generated;
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assert(total <= size);
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fwrite(buff, 1, generated, stdout); /* note: should check potential write error */
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if (size - total < genBlockSize)
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genBlockSize = (size_t)(size - total);
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}
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assert(total == size);
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}
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