70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/* Copyright (C) 2025 Aryadev Chavali
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the Unlicense for details.
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* You may distribute and modify this code under the terms of the Unlicense,
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* which you should have received a copy of along with this program. If not,
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* please go to <https://unlicense.org/>.
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* Created: 2025-08-19
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* Description: Entrypoint
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*/
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#include <malloc.h>
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#include <stdio.h>
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#include <string.h>
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#include <alisp.h>
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int main(void)
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{
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stream_t stream = {0};
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char _data[] = "Hello, world!";
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sv_t data = SV(_data, ARRSIZE(_data) - 1);
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char filename[] = "lorem.txt";
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// stream_init_string(&stream, NULL, data);
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FILE *fp = fopen(filename, "rb");
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stream_init_file(&stream, filename, fp);
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// stream_init_file(&stream, "stdin", stdin);
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/// test 1
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do
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{
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printf("%s[%lu]: `%c`\n", stream.name, stream.position,
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stream_next(&stream));
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} while (!stream_eoc(&stream));
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printf("%lu/%lu\n", stream.position, stream_size(&stream));
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/// test 2
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stream.position = 0;
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sv_t a = stream_substr(&stream, 100);
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sv_t a_ = sv_copy(a);
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stream_seek(&stream, 100);
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sv_t b = stream_substr_abs(&stream, 0, 100);
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sv_t b_ = sv_copy(b);
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printf("a=b ? %s\na_=b_ ? %s\n",
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memcmp(&a, &b, sizeof(a)) == 0 ? "yes" : "no",
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a_.size == b_.size && strncmp(a_.data, b_.data, a_.size) == 0 ? "yes"
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: "no");
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sv_t c = stream_substr(&stream, 100);
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sv_t c_ = sv_copy(c);
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stream_seek(&stream, 100);
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sv_t d = stream_substr_abs(&stream, stream.position - 100, 100);
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sv_t d_ = sv_copy(d);
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printf("c=d ? %s\nc_=d_ ? %s\n",
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memcmp(&c, &d, sizeof(a)) == 0 ? "yes" : "no",
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c_.size == d_.size && strncmp(c_.data, d_.data, c_.size) == 0 ? "yes"
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: "no");
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printf("eoc?=%s\n", stream_eoc(&stream) ? "yes" : "no");
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stream_stop(&stream);
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// fclose(fp);
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return 0;
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}
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