From e72088d79804e4f689196f4bc700fb9348c77209 Mon Sep 17 00:00:00 2001
From: Carson Fleming <cflems@cflems.net>
Date: Sat, 24 Jan 2026 22:28:22 -0500
Subject: initial commit

---
 .gitignore |  1 +
 array.c    | 26 ++++++++++++++++++++++++++
 array.h    | 23 +++++++++++++++++++++++
 crash.c    | 12 ++++++++++++
 crash.h    |  4 ++++
 makefile   | 24 ++++++++++++++++++++++++
 6 files changed, 90 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 array.c
 create mode 100644 array.h
 create mode 100644 crash.c
 create mode 100644 crash.h
 create mode 100644 makefile

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..567609b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
diff --git a/array.c b/array.c
new file mode 100644
index 0000000..c941b05
--- /dev/null
+++ b/array.c
@@ -0,0 +1,26 @@
+#include "array.h"
+#include "crash.h"
+#define CRASH_IF_OOB(array, idx) {\
+    if (idx >= array->length)\
+        crash("Array access out of bounds: %ld >= %ld\n", idx, array->length);\
+}
+
+void array_set(array_t* array, size_t idx, void* val) {
+    CRASH_IF_OOB(array, idx);
+    array->data[idx] = val;
+}
+
+void* array_get(const array_t* array, size_t idx) {
+    CRASH_IF_OOB(array, idx);
+    return array->data[idx];
+}
+
+void str_set(str_t* str, size_t idx, char val) {
+    CRASH_IF_OOB(str, idx);
+    str->data[idx] = val;
+}
+
+char str_get(const str_t* str, size_t idx) {
+    CRASH_IF_OOB(str, idx);
+    return str->data[idx];
+}
diff --git a/array.h b/array.h
new file mode 100644
index 0000000..848e1a7
--- /dev/null
+++ b/array.h
@@ -0,0 +1,23 @@
+#ifndef __SAFEC_ARRAY_H
+#define __SAFEC_ARRAY_H
+#include <stddef.h>
+
+/* TODO: it might be good to just have itemsz and char* data */
+typedef struct {
+    size_t length;
+    void** data;
+} array_t;
+
+void array_set(array_t* array, size_t idx, void* val);
+void* array_get(const array_t* array, size_t idx);
+
+typedef struct {
+    size_t length;
+    char* data;
+} str_t;
+
+void str_set(str_t* str, size_t idx, char val);
+char str_get(const str_t* str, size_t idx);
+/* TODO: I would like to implement string slicing as part of this */
+/* TODO: reimplement string.h functions for this new string construct */
+#endif
diff --git a/crash.c b/crash.c
new file mode 100644
index 0000000..f28d88a
--- /dev/null
+++ b/crash.c
@@ -0,0 +1,12 @@
+#include "crash.h"
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void crash(const char* format, ...) {
+    va_list args;
+    va_start(args, format);
+    vfprintf(stderr, format, args);
+    exit(1);
+    va_end(args);
+}
\ No newline at end of file
diff --git a/crash.h b/crash.h
new file mode 100644
index 0000000..f0304e2
--- /dev/null
+++ b/crash.h
@@ -0,0 +1,4 @@
+#ifndef __SAFEC_CRASH_H
+#define __SAFEC_CRASH_H
+void crash(const char* message, ...);
+#endif
\ No newline at end of file
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..6f80fb0
--- /dev/null
+++ b/makefile
@@ -0,0 +1,24 @@
+CC ?= cc
+CFLAGS := -std=c23 -O3 -Wall -Werror -fPIC -c
+
+BUILD_DIR := build
+TARGET := $(BUILD_DIR)/libsafec.a
+
+SRCS := $(wildcard *.c)
+OBJS := $(patsubst %.c,$(BUILD_DIR)/%.o,$(SRCS))
+
+.PHONY: all clean
+
+all: $(BUILD_DIR) $(TARGET)
+
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+
+$(TARGET): $(OBJS)
+	ar rcs $@ $^
+
+$(BUILD_DIR)/%.o: %.c
+	$(CC) $(CFLAGS) $< -o $@
+
+clean:
+	rm -rf $(BUILD_DIR)
-- 
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