From f887d2f38b205237cbd03ce921aff7a79986e2ff Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Sat, 11 Feb 2023 14:55:28 +0100
Subject: add mknod

---
 core/new.c   | 30 ++++++++++++++++++++++++++----
 core/write.c | 42 +++++++++++++++++++++++++++++++-----------
 2 files changed, 57 insertions(+), 15 deletions(-)

(limited to 'core')

diff --git a/core/new.c b/core/new.c
index 5c0e7b8..9fab46b 100644
--- a/core/new.c
+++ b/core/new.c
@@ -2,25 +2,46 @@
 #include "../lib/sys/mkdir.h"
 #include "../lib/sys/creat.h"
 #include "../lib/cstr/cstr.h"
+#include "../lib/sys/mknod.h"
+#include "../lib/sys/errno.h"
+#include "../lib/sys/stat.h"
 
 enum {
 	FILE,
 	DIRECTORY,
+	BLOCK_OR_CHARACTER,
 	NUMBER_OF_MODES,
 };
 
-void new_file(char *path);
-void new_directory(char *path);
-
 int(*new_funcs[NUMBER_OF_MODES])(const char *, unsigned int) = {
 	&creat,
 	&mkdir
 };
 
+int new_block_or_character(int argc, char **argv)
+{
+	if (argc != 4) {
+		wff(STDERR_FD, "new -n <name> <type> <major> <major>");
+		return -1;
+	}
+
+	u32 major = cstr_to_u64(argv[2]);
+	u32 minor = cstr_to_u64(argv[3]);
+	u32 type  = argv[1][0] == 'c' ? S_IFCHR : S_IFBLK;
+	int err;
+
+	if ((err = mknod(argv[0], MODE_USER_READ | MODE_USER_WRITE | type, device(major, minor))) < 0) {
+		wff(STDERR_FD, "%s\n", errstr[-err]);
+		return -1;
+	}
+
+	return 0;
+}
+
 int main(int argc, char **argv)
 {
 	if (argc < 3) {
-		wff(STDERR_FD, "new [-f | -d] <name> ...");
+		wff(STDERR_FD, "new [[-f | -d] <name> ... | -n <name> <type> <major> <minor>]\n");
 		return -1;
 	}
 
@@ -34,6 +55,7 @@ int main(int argc, char **argv)
 	switch(argv[1][1]) {
 		case 'f': type = FILE;      break;
 		case 'd': type = DIRECTORY; break;
+		case 'n': return new_block_or_character(argc - 2, argv + 2);
 		default: wff(STDERR_FD, "error: unknown entry type.\n"); return -1;
 	}
 
diff --git a/core/write.c b/core/write.c
index a0be81c..005f76d 100644
--- a/core/write.c
+++ b/core/write.c
@@ -1,30 +1,50 @@
 #include "../lib/io/io.h"
 #include "../lib/container/container.h"
+#include "../lib/cstr/cstr.h"
+#include "../lib/tctl/tctl.h"
 
 #define BUFFER_SIZE 128
 char buf[BUFFER_SIZE];
 
 int main(int argc, const char **argv)
 {
-	if (argc != 2) {
-		wstd("write [filename]\n");
+	u64 size;
+
+	if (argc > 3) {
+		wf(STDERR_FD, "write [-nobuf] <filename>\n");
 		return -1;
 	}
 
-	int fd = open(argv[1], OPEN_WRITE_ONLY | OPEN_CREATE, MODE_USER_READ | MODE_USER_WRITE | MODE_OTHER_READ | MODE_GROUP_READ);
+	if (argc == 3) {
+		if (cstr_compare(argv[1], "-nobuf") == 0) {
 
-	container_t *string = new_container(sizeof(char));
-	u64 size;
+			int fd = open(argv[2], OPEN_WRITE_ONLY | OPEN_CREATE, MODE_USER_READ | MODE_USER_WRITE | MODE_OTHER_READ | MODE_GROUP_READ);
 
-	while ((size = read(STDIN_FD, buf, BUFFER_SIZE))) {
-		container_append(string, buf, size);
-	}
+			while ((size = read(STDIN_FD, buf, BUFFER_SIZE))) {
+				write(fd, buf, BUFFER_SIZE);
+			}
+
+			close(fd);
 
+		} else {
+			wstd("write [-nobuf] <filename>\n");
+			return -1;
+		}
+	} else {
+		int fd = open(argv[1], OPEN_WRITE_ONLY | OPEN_CREATE, MODE_USER_READ | MODE_USER_WRITE | MODE_OTHER_READ | MODE_GROUP_READ);
 
-	container_push(string, 0);
+		container_t *string = new_container(sizeof(char));
 
-	write(fd, string->data, string->size);
+		while ((size = read(STDIN_FD, buf, BUFFER_SIZE))) {
+			container_append(string, buf, size);
+		}
 
-	close(fd);
+
+		container_push(string, 0);
+
+		write(fd, string->data, string->size);
+
+		close(fd);
+	}
 	return 0;
 }
-- 
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