initial commit

Signed-off-by: Chloe M. <chloe@mirocom.org>

.gitignore

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+*.o
+*.d
+/blobchain

Makefile

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+#
+# Copyright (c) 2026, Chloe M.
+# Provided under the BSD-3 clause
+#
+
+CFILES = $(shell find . -name "*.c")
+DFILES = $(CFILES:.c=.d)
+OFILES = $(CFILES:.c=.o)
+
+CC = gcc
+CFLAGS =		\
+	-Wall		\
+	-pedantic	\
+	-Iinc/		\
+	-MMD
+
+.PHONY: all
+all: blobchain
+
+.PHONY: blobchain
+blobchain: $(OFILES)
+	$(CC) $< -o $@
+
+-include $(DFILES)
+%.o: %.c
+	$(CC) -c $< $(CFLAGS) -o $@

README

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+-- Blobchain --
+
+The blobchain format allows one to create a list of files and have a content-addressed snapshot of a directory
+in the form of a blockchain for verification purposes.

core/blobchain.c

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+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "blobchain/common.h"
+
+static void
+help(void)
+{
+    printf("usage: ./blobchain <flags>\n");
+    printf("... [-h] Display this help menu\n");
+    printf("... [-v] Display the version\n");
+}
+
+static void
+version(void)
+{
+    printf("Version v%s\n", BLOBCHAIN_VERSION);
+}
+
+int
+main(int argc, char **argv)
+{
+    int opt;
+
+    if (argc < 2) {
+        printf("fatal: too few arguments!\n");
+        help();
+        return -1;
+    }
+
+    while ((opt = getopt(argc, argv, "hv")) != -1) {
+        switch (opt) {
+        case 'h':
+            help();
+            return -1;
+        case 'v':
+            version();
+            return -1;
+        }
+    }
+
+    return 0;
+}

inc/blobchain/common.h

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+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause
+ */
+
+#ifndef BLOBCHAIN_COMMON_H
+#define BLOBCHAIN_COMMON_H 1
+
+#define BLOBCHAIN_VERSION "0.0.1"
+
+#endif  /* !BLOBCHAIN_COMMON_H */