X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=visor;a=blobdiff_plain;f=visor%2Fsrc%2Fmain_unix.c;h=64302728b3d6b5c5da102ce0bf0031641f2899e3;hp=9db4e36315f408f5609529bbfa843609f485724a;hb=7357e1f153279a9d84d8671f02fa146575d4935e;hpb=24f7b6535c6c25040f4a2f2c655a913c177531eb

diff --git a/visor/src/main_unix.c b/visor/src/main_unix.c
index 9db4e36..6430272 100644
--- a/visor/src/main_unix.c
+++ b/visor/src/main_unix.c
@@ -1,13 +1,50 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include "term.h"
+#include "visor.h"
+
+struct file {
+	FILE *fp;
+	void *maddr;
+	size_t msize;
+};
 
 static int parse_args(int argc, char **argv);
 static int init(void);
 static void cleanup(void);
+/* file operations */
+static vi_file *file_open(const char *path, unsigned int flags);
+static void file_close(vi_file *file);
+static long file_size(vi_file *file);
+static void *file_map(vi_file *file);
+static void file_unmap(vi_file *file);
+static long file_read(vi_file *file, void *buf, long count);
+static long file_write(vi_file *file, void *buf, long count);
+static long file_seek(vi_file *file, long offs, int whence);
+
+static struct visor *vi;
 
 static int num_fpaths;
 static char **fpaths;
 
+static struct vi_alloc alloc = {
+	malloc, free, realloc
+};
+
+static struct vi_fileops fops = {
+	file_open, file_close, file_size,
+	file_map, file_unmap,
+	file_read, file_write, file_seek
+};
+
+/*
+static struct vi_ttyops ttyops = {
+	tty_clear, tty_clear_line, tty_clear_line_at,
+	tty_setcursor, tty_putchar, tty_putchar_at,
+	tty_scroll, tty_del_back, tty_del_fwd, tty_status
+};
+*/
+
 int main(int argc, char **argv)
 {
 	if(parse_args(argc, argv) == -1) {
@@ -58,6 +95,11 @@ static int init(void)
 	}
 	term_clear();
 
+	if(!(vi = vi_create(&alloc))) {
+		return -1;
+	}
+	vi_set_fileops(vi, &fops);
+
 	for(i=0; i<num_fpaths; i++) {
 		/* open fpaths[i] */
 	}
@@ -66,5 +108,74 @@ static int init(void)
 
 static void cleanup(void)
 {
+	if(vi) {
+		vi_destroy(vi);
+	}
 	term_cleanup();
 }
+
+static vi_file *file_open(const char *path, unsigned int flags)
+{
+	struct file *file;
+	const char *attr;
+
+	switch(flags & 0xff) {
+	case VI_RDONLY:
+		attr = "rb";
+		break;
+
+	case VI_WRONLY:
+		attr = (flags & VI_CREAT) ? "w+b" : "wb";
+		break;
+
+	case VI_RDWR:
+		attr = (flags & VI_CREAT) ? "w+b" : "r+b";
+		break;
+
+	default:
+		return 0;
+	}
+
+
+	if(!(file = calloc(1, sizeof *file))) {
+		return 0;
+	}
+	if(!(file->fp = fopen(path, attr))) {
+		free(file);
+		return 0;
+	}
+	return file;
+}
+
+static void file_close(vi_file *file)
+{
+}
+
+static long file_size(vi_file *file)
+{
+	return -1;
+}
+
+static void *file_map(vi_file *file)
+{
+	return 0;
+}
+
+static void file_unmap(vi_file *file)
+{
+}
+
+static long file_read(vi_file *file, void *buf, long count)
+{
+	return -1;
+}
+
+static long file_write(vi_file *file, void *buf, long count)
+{
+	return -1;
+}
+
+static long file_seek(vi_file *file, long offs, int whence)
+{
+	return -1;
+}