src/utils/uhex.c

@@ -0,0 +1,72 @@
+// uhex (microhex) port for BlankOS; read-only version
+// Author: xamidev
+// Licensed under the Unlicense. See the repo below.
+// https://github.com/xamidev/blankos
+
+// This version is the port of a hex viewer which already was not great,
+// and now by being here it is even worse because it is RO and will have
+// hardcoded stuff in it (no ioctl, STDOUT, or other stuff here...)
+
+/*
+
+#define BYTES 1024
+#define round(x) (int)(x < 0 ? (x -0.5) : x + 0.5)
+
+// WIP: pushed but not done yet
+
+void print_hex(unsigned char* buf, int byteno, int pos, int BYTES_PER_LINE)
+{
+	for (int i=0; i<byteno; i++)
+	{
+		if (i%BYTES_PER_LINE == 0)
+		{
+			if (i != 0)
+			{
+				printf(" ");
+				for (int j=i-BYTES_PER_LINE; j<i; j++)
+				{
+					if (isprint(buf[j])) colorprintf(salmon, black, "%c", buf[j]);
+					else printf(".");
+				}
+			}
+			puts("\n");
+
+			if (pos == 0) printf("%06d:   ", i);
+			else printf("%06d:   ", pos);
+		}
+	printf("%2x", buf[i]);
+	}
+
+	int padding = BYTES_PER_LINE - (byteno % BYTES_PER_LINE);
+	if (padding < BYTES_PER_LINE)
+	{
+		for (int i=0; i<padding; i++) printf("   ");
+		printf("  ");
+	}
+	int start = byteno-(byteno%BYTES_PER_LINE);
+	for (int j=start; j<byteno; j++)
+	{
+		if (isprint(buf[j])) {
+			colorprintf(salmon, black, "%c", buf[j]);
+		} else {
+			printf(".");
+		}
+	}
+	puts("\n");
+}
+
+void program_uhex(int argc, char* argv[])
+{
+	if (argc < 2)
+	{
+		printf("Usage: uhex <file>\nInline commands:\n\tpX - print position X\n\teX - edit position X\n\tq - quit\n");
+		return;
+	}
+
+	int BYTES_PER_LINE = 20;
+
+	
+
+}
+
+*/