From 8c7006c3ce636e7ba4127e5567350c334c3ea5e1 Mon Sep 17 00:00:00 2001
From: mrb0nk500 <b0nk@b0nk.xyz>
Date: Fri, 18 Jun 2021 09:38:10 -0400
Subject: Move all miscellaneous functions from `config.c` into `misc.c`.

---
 config.c |  1 +
 misc.c   | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 misc.h   |  7 ++++++
 3 files changed, 83 insertions(+)
 create mode 100644 misc.c
 create mode 100644 misc.h

diff --git a/config.c b/config.c
index 129d44d..79e8b45 100644
--- a/config.c
+++ b/config.c
@@ -5,6 +5,7 @@
 #include <syslog.h>
 #include "config.h"
 #include "macros.h"
+#include "misc.h"
 
 char *read_file(const char *filename, long *size) {
 	/* Open the file. */
diff --git a/misc.c b/misc.c
new file mode 100644
index 0000000..6782ff4
--- /dev/null
+++ b/misc.c
@@ -0,0 +1,75 @@
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "misc.h"
+
+char *read_file(const char *filename, long *size) {
+	/* Open the file. */
+	FILE *fp = fopen(filename, "r");
+	/* Size of the file, in bytes. */
+	long filesize = 0;
+	/* Buffer of the file contents. */
+	char *buf;
+
+	/* Return NULL, if we couldn't open the file. */
+	if (fp == NULL) {
+		return NULL;
+	}
+
+	/* Return NULL, if we couldn't seek to the end of the file. */
+	if (fseek(fp, 0L, SEEK_END)) {
+		fclose(fp);
+		return NULL;
+	}
+
+	/* Get the size of the file, in bytes. */
+	filesize = ftell(fp);
+
+	/* Return NULL, if the returned size is negative. */
+	if (filesize < 0) {
+		fclose(fp);
+		return NULL;
+	}
+
+	/* Allocate enough space for the entire file, plus one. */
+	buf = calloc(filesize+1, sizeof(char));
+
+	/* Return NULL, if the buffer wasn't allocated. */
+	if (buf == NULL) {
+		fclose(fp);
+		return NULL;
+	}
+
+	/* Seek back to the start of the file. */
+	rewind(fp);
+	/* Read the entire file contents into the buffer. */
+	fread(buf, sizeof(char), filesize, fp);
+	/* Close the file. */
+	fclose(fp);
+
+	/* Return the filesize, in bytes. */
+	*size = filesize;
+	/* Return the buffer. */
+	return buf;
+}
+
+char *get_line(char **str) {
+	char *s;
+	size_t i;
+	char *tmp = *str;
+
+	for (i = 0; tmp[i] != '\n' && tmp[i] != '\0'; i++);
+
+	s = calloc(i+1, sizeof(char));
+	memcpy(s, *str, i);
+
+	*str += (i+1);
+	return s;
+}
+
+char *make_str(const char *str) {
+	const size_t length = strlen(str);
+	char *s = calloc(length+1, sizeof(char));
+	memcpy(s, str, length+1);
+	return s;
+}
diff --git a/misc.h b/misc.h
new file mode 100644
index 0000000..9216250
--- /dev/null
+++ b/misc.h
@@ -0,0 +1,7 @@
+#ifndef MISC_H
+#define MISC_H
+
+extern char *read_file(const char *filename, long *size);
+extern char *get_line(char **str);
+extern char *make_str(const char *str);
+#endif
-- 
cgit v1.2.3-13-gbd6f