Refactor: move io functions to own header

src/common/caching.c

@@ -1,4 +1,5 @@
 #include "fastfetch.h"
+#include "common/io.h"
 
 #include <stdlib.h>
 

src/common/io.c

@@ -1,4 +1,5 @@
 #include "fastfetch.h"
+#include "common/io.h"
 
 #include <sys/stat.h>
 #include <unistd.h>

src/common/io.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#ifndef FF_INCLUDED_common_io
+#define FF_INCLUDED_common_io
+
+#include <sys/types.h> //mode_t
+
+bool ffWriteFDBuffer(int fd, const FFstrbuf* content);
+bool ffWriteFileData(const char* fileName, size_t dataSize, const void* data);
+bool ffWriteFileBuffer(const char* fileName, const FFstrbuf* buffer);
+
+bool ffAppendFDBuffer(int fd, FFstrbuf* buffer);
+ssize_t ffReadFileData(const char* fileName, size_t dataSize, void* data);
+bool ffAppendFileBuffer(const char* fileName, FFstrbuf* buffer);
+bool ffReadFileBuffer(const char* fileName, FFstrbuf* buffer);
+
+bool ffFileExists(const char* fileName, mode_t mode);
+
+// Not thread safe!
+void ffSuppressIO(bool suppress);
+
+void ffGetTerminalResponse(const char* request, const char* format, ...);
+
+#endif

src/common/processing.c

@@ -1,4 +1,5 @@
 #include "fastfetch.h"
+#include "common/io.h"
 
 #include <stdlib.h>
 #include <unistd.h>

src/common/settings.c

@@ -1,5 +1,6 @@
 #include "fastfetch.h"
 #include "common/library.h"
+#include "common/io.h"
 
 #include <pthread.h>
 #include <string.h>