79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
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* Gem-graph OpenGL experiments
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*
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* Desc: Base header
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*
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* Copyright (C) 2023 Arthur Menges <arthur.menges@a-lec.org>
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* Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
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*
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* This file is part of Gem-graph.
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*
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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 Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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enum
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{
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X_AXIS,
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Y_AXIS,
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Z_AXIS,
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N_AXIS
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};
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/*
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* Read a file from filename into a provided buffer
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*
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* @param filename, file name
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* contents, target ptr
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*
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* @return void
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*/
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static inline char *read_file(char *filename)
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{
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int fd;
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int filesize;
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char *contents;
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fd = open(filename, O_RDONLY);
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if(fd < 0) {
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printf("Couldn't read file: %s\n",filename);
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return NULL;
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}
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filesize = lseek(fd, 0, SEEK_END) + 1 ;
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contents = malloc(filesize * sizeof(char));
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if (contents == NULL) {
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perror("Not enough memory to allocate file");
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return NULL;
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}
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lseek(fd, 0, SEEK_SET);
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read(fd,contents,filesize);
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contents[filesize-1] = '\0';
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close(fd);
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return contents;
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}
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