fix: no such thing as $default-branch

Was facing issues with integer wrapping

.github/workflows/publish.yaml

@@ -0,0 +1,80 @@
+name: publish
+on:
+  release:
+    types: published
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        required: true
+        description: the tag to release for
+        default: ""
+jobs:
+  compile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: make compile
+      - uses: actions/upload-artifact@v4
+        with:
+          name: bin
+          path: bin/
+  # release_deb:
+  #   runs-on: ubuntu-latest
+  #   needs: compile
+  #   steps:
+  #     - uses: actions/download-artifact@v4
+  #       with:
+  #         name: bin
+  #         path: ${{github.workspace}}/bin
+  #     - if: ${{!env.ACT}}
+  #       uses: softprops/action-gh-release@v2
+  #       with:
+  #         tag_name: ${{github.event.release.tag_name || github.event.inputs.release_tag}}
+  #         files: bin/coinflip
+  #         fail_on_unmatched_files: true
+  #       env:
+  #         GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+  #     - if: ${{env.ACT}}
+  #       uses: actions/upload-artifact@v4
+  #       with:
+  #         path: bin/coinflip
+  # release_aur-bin:
+  #   runs-on: ubuntu-latest
+  #   needs: compile
+  #   steps:
+  #     - uses: actions/download-artifact@v4
+  #       with:
+  #         name: bin
+  #         path: ${{github.workspace}}/bin
+  #     - if: ${{!env.ACT}}
+  #       uses: softprops/action-gh-release@v2
+  #       with:
+  #         tag_name: ${{github.event.release.tag_name || github.event.inputs.release_tag}}
+  #         files: bin/coinflip
+  #         fail_on_unmatched_files: true
+  #       env:
+  #         GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+  #     - if: ${{env.ACT}}
+  #       uses: actions/upload-artifact@v4
+  #       with:
+  #         path: bin/coinflip
+  release_bin:
+    runs-on: ubuntu-latest
+    needs: compile
+    steps:
+      - if: ${{!env.ACT}}
+        uses: actions/download-artifact@v4
+        with:
+          name: bin
+          path: ${{github.workspace}}/bin
+      - uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{github.event.release.tag_name || github.event.inputs.release_tag}}
+          files: bin/coinflip
+          fail_on_unmatched_files: true
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - if: ${{env.ACT}}
+        uses: actions/upload-artifact@v4
+        with:
+          path: bin/coinflip

.github/workflows/validate.yaml

@@ -0,0 +1,14 @@
+name: validate
+on:
+  pull_request:
+    branches:
+      - '**'
+  push:
+    branches:
+      - '**'
+jobs:
+  compile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: make compile

.gitignore

@@ -1,3 +1,8 @@
-.vscode
-build
-package/usr
+.*
+
+!.github/
+!.gitignore
+
+/bin/
+/obj/
+/compile_commands.json

makefile

@@ -0,0 +1,32 @@
+CC      := x86_64-linux-gnu-gcc
+CFLAGS  := -Wall -Wextra -Wpedantic -O2 -std=gnu17
+LDFLAGS :=
+
+SRC = $(shell find src/ -name '*.c')
+OBJ := $(patsubst src/%,obj/%,$(SRC:.c=.o))
+BIN := bin/coinflip
+
+compile: compile_commands.json $(BIN)
+clean:
+	rm -rf obj/ bin/ compile_commands.json
+
+# link the .o files
+$(BIN): $(OBJ)
+	@mkdir -p $(@D)
+	$(CC) $(LDFLAGS) $(OBJ) -o $(BIN)
+
+# compile .o files (w/ .d files)
+obj/%.o: src/%.c
+	@mkdir -p $(@D)
+	$(CC) -c -MD -MP $(CFLAGS) -o $@ $<
+
+ifneq ($(shell which bear),)
+compile_commands.json: makefile
+	$(MAKE) clean
+	@touch compile_commands.json
+	bear -- make compile
+else
+compile_commands.json:
+endif
+
+-include $(OBJ:.o=.d)

package/DEBIAN/control

@@ -1,6 +0,0 @@
-Package: coinflip
-Version: 1.0
-Architecture: all
-Priority: optional
-Maintainer: Quinn
-Description: adds a coinflip command which has a 50% chance of printing "heads" and 50% chance of printing "tails"

src/main.c

@@ -1,18 +1,60 @@
+#include <features.h>
+#if _POSIX_C_SOURCE >= 199309L
+# include <bits/time.h>
+# include <errno.h>
+# include <limits.h>
+# include <stdarg.h>
+# include <stdint.h>
 # include <stdio.h>
-#include <time.h>
 # include <stdlib.h>
+# include <stdnoreturn.h>
+# include <time.h>
 
-int main(void) {
-    srand(time(NULL)); // set the random seed to the system time
-    char* result = NULL;
-
-    if (rand() & (~1) != 0) {
-        result = "heads";
-    }
-    else {
-        result = "tails";
+noreturn static inline void error(char* fmt, ...) {
+	va_list args;
+	va_start(args, fmt);
+	vfprintf(stderr, fmt, args);
+	va_end(args);
+	exit(1);
 }
 
-    printf("%s\n", result);
+int main(int argc, char** argv) {
+	// set the seed to the number of seconds xor with nanoseconds
+	{
+		struct timespec ts;
+		clock_gettime(CLOCK_MONOTONIC, &ts);
+		srand((uint32_t)(ts.tv_nsec ^ ts.tv_sec)); // combine seconds and nanoseconds
+	}
+
+	// just print whether it's heads or tails
+	if (argc == 1) {
+		printf("%s\n", (rand() & 1) ? "heads" : "tails");
 		return 0;
 	}
+
+	// if we have input; perform coin flips for those times
+	for (uint32_t i = 1; i < (unsigned)argc; ++i) {
+		int n = 0;           // contains the random data
+		uint64_t headsc = 0; // amount of heads
+		uint64_t tailsc = 0; // amount of tails
+
+		// get the integer from the string, return 1 if an error occurred
+		errno = 0;
+		long const c = strtol(argv[i], NULL, 10);
+		if (errno == EINVAL) error("syntax error for string: %s\n", argv[i]);
+		if (c < 1 || c > (LONG_MAX - 1)) error("count may only be in between 1 and %l. Received %l\n", LONG_MAX, c);
+
+		// perform for the input count
+		for (long j = 0; j < c; ++j) {
+			if (n == 0) n = rand();                // get a new random number if the random data ran out
+			(void)((n & 1) ? headsc++ : tailsc++); // increment the correct counter
+			n >>= 1;                               // shift the random integer right by 1
+		}
+
+		// print the results of this cycle
+		printf("results:\n heads: %lu\n tails: %lu\n", headsc, tailsc);
+	}
+}
+#else
+# error "platform unsupported"
+#endif