Introduce HamcoreBuild(), for building archives

1 files changed, 53 insertions, 2 deletions

diff --git a/FileSystem.c b/FileSystem.c
index b691746..cb64fe5 100755
--- a/FileSystem.c
+++ b/FileSystem.c
@@ -1,13 +1,17 @@
 #include "FileSystem.h"
 
-FILE *FileOpen(const char *path)
+#include <string.h>
+
+#include <sys/stat.h>
+
+FILE *FileOpen(const char *path, const bool write)
 {
 	if (!path)
 	{
 		return NULL;
 	}
 
-	return fopen(path, "rb");
+	return fopen(path, write ? "wb" : "rb");
 }
 
 bool FileClose(FILE *file)
@@ -30,6 +34,16 @@ bool FileRead(FILE *file, void *dst, const size_t size)
 	return fread(dst, 1, size, file) == size;
 }
 
+bool FileWrite(FILE *file, const void *src, const size_t size)
+{
+	if (!file || !src || size == 0)
+	{
+		return false;
+	}
+
+	return fwrite(src, 1, size, file) == size;
+}
+
 bool FileSeek(FILE *file, const size_t offset)
 {
 	if (!file)
@@ -39,3 +53,40 @@ bool FileSeek(FILE *file, const size_t offset)
 
 	return fseek(file, offset, SEEK_SET) == 0;
 }
+
+size_t FileSize(const char *path)
+{
+	if (!path)
+	{
+		return 0;
+	}
+
+	struct stat st;
+	if (stat(path, &st) == -1)
+	{
+		return 0;
+	}
+
+	return st.st_size;
+}
+
+const char *PathRelativeToBase(const char *full, const char *base)
+{
+	if (!full || !base)
+	{
+		return NULL;
+	}
+
+	if (strstr(full, base) != &full[0])
+	{
+		return NULL;
+	}
+
+	full += strlen(base);
+	if (full[0] == '/')
+	{
+		++full;
+	}
+
+	return full;
+}