initial commit; fizzbuzz complete

.gitignore

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+bld/
+dbg/
+obj/
+target/

c/fizzbuzz/.gitignore

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+bld

c/fizzbuzz/makefile

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+########################
+# (c) Ren Kararou 2023 #
+# All rights reserved  #
+########################
+
+# For use with GNU Make
+
+CFLAGS ?= -Wall -Wextra -march=native -O3 -flto=thin -funroll-loops
+
+.PHONY : all
+all : bld/fizzbuzz
+
+.PHONY : debug
+debug : bld/fizzbuzz-dbg
+
+obj/%.o : src/%.c
+	@mkdir -p obj
+	@cc $(CFLAGS) -c -o $@ $<
+
+bld/fizzbuzz : obj/main.o
+	@mkdir -p bld
+	@cc $(CFLAGS) -o $@ $<
+	@llvm-strip $@
+
+dbg/%-dbg.o : src/%.c
+	@mkdir -p dbg
+	@cc --debug $(CFLAGS) -c -o $@ $<
+
+bld/fizzbuzz-dbg : dbg/main-dbg.o
+	@mkdir -p bld
+	@cc --debug $(CFLAGS) -o $@ $<
+
+.PHONY : clean
+clean :
+	@rm -rf obj bld dbg
+

c/fizzbuzz/src/main.c

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+/************************
+ * (c) Ren Kararou 2023 *
+ * All rights reserved  *
+ ************************/
+
+#include <stdio.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdint.h>
+
+#define RUNTO		999999999
+#define MAXDIGITSYO	10
+#define MAXBUFFERYO	(MAXDIGITSYO*2)
+static volatile uint8_t run = 1;
+
+void siginthandl(int _notused) {
+	run = 0;
+}
+
+int main(/* int argc, char** argv */) {
+	//setup signal handling
+	signal(SIGINT, siginthandl);
+
+	for (int i = 1; i < RUNTO; i++) { // if we ever get this high we've won computing.
+		if (run) {
+			// setup a buffer, 10 digits is all we need, since we're only going up to 999999999 (plus a null terminator)
+			char buf[MAXBUFFERYO] = "\0";
+			// gotta get that return value.
+			int pos = 0;
+			if (i % 3 == 0) {
+				pos = snprintf(buf+pos, MAXBUFFERYO-pos, "fizz");
+				if (pos < 0) return ENOMEM;
+			}
+			if (i % 5 == 0) {
+				pos = snprintf(buf+pos, MAXBUFFERYO-pos, "buzz");
+				if (pos < 0) return ENOMEM;
+			}
+			if (pos == 0) {
+				pos = snprintf(buf+pos, MAXBUFFERYO-pos, "%d", i);
+				if (pos < 0) return ENOMEM;
+			}
+			puts(buf);
+		} else {
+			break;
+		}
+	}
+	return 0; // SUCCESS!
+}
+

rust/fizzbuzz/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "fizzbuzz"
+version = "0.1.0"

rust/fizzbuzz/Cargo.toml

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+[package]
+name = "fizzbuzz"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

rust/fizzbuzz/src/main.rs

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+/************************
+ * (c) Ren Kararou 2023 *
+ * All rights reserved  *
+ ************************/
+
+// A memory safe fizzbuzz in rust is much smaller than the same in C, turns out.
+
+fn main() {
+    for i in 1..999999999 {
+        if i % 3 == 0 && i % 5 == 0 { println!("fizzbuzz"); }
+        else if i % 3 == 0 { println!("fizz"); }
+        else if i % 5 == 0 { println!("buzz"); }
+        else { println!("{i}"); }
+    }
+}