51 lines
862 B
C
51 lines
862 B
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/* SPDX-FileCopyrightText: Copyright © 2010-2023 Nedko Arnaudov */
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/* SPDX-FileCopyrightText: Copyright © 2010 Nikita Zlobin <nick87720z@gmail.com> */
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "file.h"
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdlib.h>
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char * read_file_contents(const char * filename)
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{
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int fd;
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struct stat st;
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char * buffer;
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if (stat(filename, &st) != 0)
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{
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return NULL;
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}
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fd = open(filename, O_RDONLY);
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if (fd == -1)
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{
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return NULL;
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}
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buffer = malloc(st.st_size + 1);
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if (buffer == NULL)
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{
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close(fd);
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return NULL;
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}
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if (read(fd, buffer, (size_t)st.st_size) != (ssize_t)st.st_size)
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{
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free(buffer);
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buffer = NULL;
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}
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else
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{
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buffer[st.st_size] = 0;
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}
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close(fd);
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return buffer;
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}
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