Initial Commit

Signed-off-by: Daniel Henry <iamdanhenry@gmail.com>

Makefile

@@ -0,0 +1,50 @@
+# Compiler and flags
+CC := clang
+CFLAGS := -Wall -Wextra -g -xc -std=c99 -I./include
+LDFLAGS :=
+
+EXEC_NAME := $(notdir $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))))
+
+# Directories
+SRC_DIR := src
+OBJ_DIR := obj
+BIN_DIR := bin
+
+# Find all source files recursively
+SRCS := $(shell find $(SRC_DIR) -name '*.c')
+# Generate object file paths by replacing src/ with obj/ and .c with .o
+OBJS := $(SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
+# Final executable name
+EXEC := $(BIN_DIR)/$(EXEC_NAME)
+
+# First rule is the default rule
+.PHONY: all
+all: $(EXEC)
+
+# Rule to create directories if they don't exist
+$(BIN_DIR) $(OBJ_DIR):
+	mkdir -p $@
+
+# Rule to create object files
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
+	@mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# Rule to create the executable
+$(EXEC): $(OBJS) | $(BIN_DIR)
+	$(CC) $(OBJS) $(LDFLAGS) -o $@
+
+# Clean rule to remove generated files
+.PHONY: clean
+clean:
+	rm -rf $(OBJ_DIR) $(BIN_DIR)
+
+# Debug rule to print variables
+.PHONY: debug
+debug:
+	@echo "Source files:" $(SRCS)
+	@echo "Object files:" $(OBJS)
+
+.PHONY: compiledb
+bear: clean
+	bear -- make

src/main.c

@@ -0,0 +1,94 @@
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define DEFAULT_WIDTH 64
+
+// clang-format off
+
+
+const char *emoji_map[256] = {
+    "😀","😁","😂","🤣","😃","😄","😅","😆",
+    "😉","😊","😋","😎","😍","😘","🥰","😗",
+    "😙","😚","🙂","🤗","🤩","🤔","🫡","🤨",
+    "😐","😑","😶","🙄","😏","😣","😥","😮",
+    "🤐","😯","😪","😫","🥱","😴","😌","😛",
+    "😜","😝","🤤","😒","😓","😔","😕","🙃",
+    "🫠","🤑","😲","☹","🙁","😖","😞","😟",
+    "😤","😢","😭","😦","😧","🥺","😨","😩",
+    "🤯","😬","😰","😱","🥵","🥶","😳","🤪",
+    "😵","🥴","😠","😡","🤬","😷","🤒","🤕",
+    "🤢","🤮","🤧","😇","🥳","🥸","😈","👿",
+    "👹","👺","💀","☠","👻","👽","👾","🤖",
+    "💩","😺","😸","😹","😻","😼","😽","🙀",
+    "😿","😾","🙈","🙉","🙊","🐵","🐒","🦍",
+    "🦧","🐶","🐕","🦮","🐕","🐩","🐺","🦊",
+    "🦝","🐱","🐈","🐈","🦁","🐯","🐅","🐆",
+    "🐴","🐎","🦄","🦓","🦌","🦬","🐮","🐂",
+    "🐃","🐄","🐷","🐖","🐗","🐽","🐏","🐑",
+    "🐐","🐪","🐫","🦙","🦒","🐘","🦣","🦏",
+    "🦛","🐭","🐁","🐀","🐹","🐰","🐇","🐿",
+    "🦫","🦔","🦇","🐻","🐻","🐨","🐼","🦥",
+    "🦦","🦨","🦘","🦡","🐾","🦃","🐔","🐓",
+    "🐣","🐤","🐥","🐦","🐧","🕊","🦅","🦆",
+    "🦢","🦉","🦤","🪶","🦩","🦚","🦜","🐸",
+    "🐊","🐢","🦎","🐍","🐲","🐉","🦕","🦖",
+    "🐳","🐋","🐬","🦭","🐟","🐠","🐡","🦈",
+    "🐙","🪼","🦑","🦐","🦞","🦀","🐚","🪸",
+    "🌌","🦋","🐛","🐜","🐝","🪲","🐞","🦗",
+    "🪳","🕷","🕸","🦂","🦟","🪰","🪱","🦠",
+    "💐","🌸","💮","🏵","🌹","🥀","🌺","🌻",
+    "🌼","🌷","🪷","🌱","🪴","🌲","🌳","🌴",
+    "🌵","🌾","🌿","☘","🍀","🍁","🍂","🍃"
+};
+// clang-format on
+
+static void usage() {
+  fprintf(stderr, "Usage: binvis <filename> [width]\n");
+}
+
+int main(int argc, char *argv[]) {
+  if (argc < 2) {
+    usage();
+    return -1;
+  }
+
+  const char *path = argv[1];
+  int width = -1;
+
+  if (argc >= 3) {
+    width = atoi(argv[2]);
+    if (width < 0 || width % 8 != 0) {
+      fprintf(stderr,
+              "Width MUST be a positive number that is divisible by 8.  "
+              "Provided width was: %d\n",
+              width);
+      return -1;
+    }
+  } else {
+    width = DEFAULT_WIDTH;
+  }
+
+  FILE *file = fopen(path, "rb");
+  if (!file) {
+    perror("fopen");
+    return -1;
+  }
+
+  int c, count = 0;
+  while ((c = fgetc(file)) != EOF) {
+    uint8_t uc = (uint8_t)c;
+    if (uc != 0) {
+      printf("%s", emoji_map[uc]);
+      count++;
+      if (count % width == 0) {
+        printf("\n");
+      }
+    }
+  }
+  putchar('\n');
+
+  fclose(file);
+
+  return 0;
+}