From 98e9bc5e7070cf85beffd2d1b2f5cd43782dc866 Mon Sep 17 00:00:00 2001
From: Aaron Gutierrez <gutierrez.aaron.m@gmail.com>
Date: Mon, 1 Jun 2020 19:14:01 -0700
Subject: [PATCH] C++ -> C

---
 .gitignore        |   5 +++--
 BUILD             |  12 ------------
 Makefile          |   4 ++++
 WORKSPACE         |  25 -------------------------
 asana/asana.c     |   0
 asana/asana.h     |   4 ++++
 asana/fetch.c     |  19 +++++++++++++++++++
 asana/fetch.h     |  16 ++++++++++++++++
 gtest.BUILD       |  13 -------------
 ncac              | Bin 14 -> 13652 bytes
 ncac.cc => ncac.c |  17 ++++++++---------
 ui/BUILD          |   7 -------
 ui/base.c         |  18 ++++++++++++++++++
 ui/base.cc        |  23 -----------------------
 ui/base.h         |  14 +++++---------
 15 files changed, 77 insertions(+), 100 deletions(-)
 delete mode 100644 BUILD
 create mode 100644 Makefile
 delete mode 100644 WORKSPACE
 create mode 100644 asana/asana.c
 create mode 100644 asana/asana.h
 create mode 100644 asana/fetch.c
 create mode 100644 asana/fetch.h
 delete mode 100644 gtest.BUILD
 mode change 120000 => 100755 ncac
 rename ncac.cc => ncac.c (68%)
 delete mode 100644 ui/BUILD
 create mode 100644 ui/base.c
 delete mode 100644 ui/base.cc

diff --git a/.gitignore b/.gitignore
index 60f4fe4..9cc28d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
+ncac
+
+*.o
 *.swp
 *.swo
 
-bazel-*
-
 tags
diff --git a/BUILD b/BUILD
deleted file mode 100644
index 991c4eb..0000000
--- a/BUILD
+++ /dev/null
@@ -1,12 +0,0 @@
-cc_binary(
-    name = "ncac",
-    srcs = [
-        "ncac.cc",
-        "ncac.h",
-    ],
-    deps = [
-        "//asana",
-        "//ui",
-        "@system_include//:curses"
-    ],
-)
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..eb13813
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+CFLAGS=--std=c18 -O2 -Wall -Wextra -pedantic
+LDLIBS=-lncurses -lcurl
+
+ncac: ui/base.o asana/fetch.o ncac.o
diff --git a/WORKSPACE b/WORKSPACE
deleted file mode 100644
index 0c21457..0000000
--- a/WORKSPACE
+++ /dev/null
@@ -1,25 +0,0 @@
-new_local_repository(
-    name = "system_include",
-    path = "/usr/lib",
-    build_file_content = """
-cc_library(
-    name = "curses",
-    srcs = ["libcurses.dylib"],
-    visibility = ["//visibility:public"],
-)
-
-cc_library(
-    name = "curl",
-    srcs = ["libcurl.dylib"],
-    visibility = ["//visibility:public"],
-)
-    """,
-)
-
-new_http_archive(
-    name = "gtest",
-    url = "https://github.com/google/googletest/archive/release-1.8.0.tar.gz",
-    sha256 = "58a6f4277ca2bc8565222b3bbd58a177609e9c488e8a72649359ba51450db7d8",
-    build_file = "gtest.BUILD",
-    strip_prefix = "googletest-release-1.8.0",
-)
diff --git a/asana/asana.c b/asana/asana.c
new file mode 100644
index 0000000..e69de29
diff --git a/asana/asana.h b/asana/asana.h
new file mode 100644
index 0000000..c7081bf
--- /dev/null
+++ b/asana/asana.h
@@ -0,0 +1,4 @@
+#ifndef ASANA_ASANA_H_
+#define ASANA_ASANA_H_
+
+#endif // ASANA_ASANA_H_
diff --git a/asana/fetch.c b/asana/fetch.c
new file mode 100644
index 0000000..533425c
--- /dev/null
+++ b/asana/fetch.c
@@ -0,0 +1,19 @@
+#include "fetch.h"
+
+#include <stdbool.h>
+#include <curl/curl.h>
+
+  CURL *curl;
+
+bool asana_init() {
+  curl_global_init(CURL_GLOBAL_ALL);
+  curl = curl_easy_init();
+  if (!curl) return false;
+
+  return true;
+}
+
+void asana_cleanup() {
+  curl_global_cleanup();
+}
+
diff --git a/asana/fetch.h b/asana/fetch.h
new file mode 100644
index 0000000..15d3cec
--- /dev/null
+++ b/asana/fetch.h
@@ -0,0 +1,16 @@
+#ifndef ASANA_FETCH_H_
+#define ASANA_FETCH_H_
+
+#include <stdbool.h>
+
+/**
+ * initialize libcurl
+ */
+bool asana_init();
+
+/**
+ * cleanup libcurl before program end
+ */
+void asana_cleanup();
+
+#endif // ASANA_FETCH_H_
diff --git a/gtest.BUILD b/gtest.BUILD
deleted file mode 100644
index 44cfcb8..0000000
--- a/gtest.BUILD
+++ /dev/null
@@ -1,13 +0,0 @@
-cc_library(
-    name = "main",
-    srcs = glob(
-        ["src/*.cc"],
-        exclude = ["src/gtest-all.cc"]
-    ),
-    hdrs = glob([
-        "include/**/*.h",
-        "src/*.h"
-    ]),
-    copts = ["-Iexternal/gtest/include"],
-    visibility = ["//visibility:public"],
-)
diff --git a/ncac b/ncac
deleted file mode 120000
index cd59d26..0000000
--- a/ncac
+++ /dev/null
@@ -1 +0,0 @@
-bazel-bin/ncac
\ No newline at end of file
diff --git a/ncac b/ncac
new file mode 100755
index 0000000000000000000000000000000000000000..d2645b0d3377b228c4e96d706ceac460ca6db912
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/ncac.cc b/ncac.c
similarity index 68%
rename from ncac.cc
rename to ncac.c
index 9d0f566..4cd55a6 100644
--- a/ncac.cc
+++ b/ncac.c
@@ -2,10 +2,9 @@
 
 #include <curses.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <term.h>
 
-#include <iostream>
-
 #include "ui/base.h"
 #include "asana/fetch.h"
 
@@ -21,10 +20,10 @@ int main(int argc, char **argv) {
   while(1) {
     switch (input = getch()) {
       case 'a':
-        ui::draw_text("Hello, world!", &curs_x, &curs_y);
+        draw_text("Hello, world!", &curs_x, &curs_y);
         break;
       case 'b':
-        ui::draw_text("Goodbye, world!", &curs_x, &curs_y);
+        draw_text("Goodbye, world!", &curs_x, &curs_y);
         break;
       case 'q':
         finish(SIGTERM);
@@ -36,26 +35,26 @@ int main(int argc, char **argv) {
 
 static void finish(int sig) {
   endwin();
-  asana::deinit();
+  asana_cleanup();
   exit(0);
 }
 
 static void setup() {
   // initialize the asana client
-  if (!asana::init()) {
-    std::cerr << "Unable to initialize the Asana client\n" << EOF;
+  if (!asana_init()) {
+    fprintf(stderr, "Unable to initialize the Asana client\n");
     exit(1);
   }
 
   // initialize ncurses
   if (!initscr()) {
-    std::cerr << "Unable to initialize the curses screen.\n" << EOF;
+    fprintf(stderr, "Unable to initialize the curses screen.\n");
     exit(1);
   }
 
   // don't buffer or echo input
   if (cbreak() == ERR) {
-    std::cerr << "Unable to initialize.\n" << EOF;
+    fprintf(stderr, "Unable to initialize.\n");
     exit(1);
   }
   noecho();
diff --git a/ui/BUILD b/ui/BUILD
deleted file mode 100644
index 4986231..0000000
--- a/ui/BUILD
+++ /dev/null
@@ -1,7 +0,0 @@
-cc_library(
-    name="ui",
-    srcs = ["base.cc"],
-    hdrs = ["base.h"],
-    deps = ["@system_include//:curses"],
-    visibility = ["//visibility:public"],
-)
diff --git a/ui/base.c b/ui/base.c
new file mode 100644
index 0000000..3ea99c0
--- /dev/null
+++ b/ui/base.c
@@ -0,0 +1,18 @@
+#include "base.h"
+
+#include <curses.h>
+#include <string.h>
+
+
+void draw_text(char *text, int *x, int *y) {
+  if (!text || strnlen(text, 1) == 0) return;
+
+  mvaddch(*y, *x, *text);
+  ++text;
+
+  for (; *text != '\0'; ++text) {
+    addch(*text);
+  }
+
+  getyx(stdscr, *y, *x);
+}
diff --git a/ui/base.cc b/ui/base.cc
deleted file mode 100644
index ecbb95d..0000000
--- a/ui/base.cc
+++ /dev/null
@@ -1,23 +0,0 @@
-#include "base.h"
-
-#include <curses.h>
-#include <string.h>
-
-#include <string>
-
-namespace ui {
-  void draw_text(const std::string text, int *x, int *y) {
-    if (!text.length()) return;
-
-    auto iter = text.begin();
-
-    mvaddch(*y, *x, *iter);
-    ++iter;
-
-    for (; iter != text.end(); ++iter) {
-      addch(*iter);
-    }
-
-    getyx(stdscr, *y, *x);
-  }
-}
diff --git a/ui/base.h b/ui/base.h
index ea7f085..cc907c8 100644
--- a/ui/base.h
+++ b/ui/base.h
@@ -1,14 +1,10 @@
 #ifndef UI_BASE_H_
 #define UI_BASE_H_
 
-#include <string>
+/**
+ * Prints the string text starting at position *x, *y. x and y are updated to
+ * the position after the last character
+ */
+void draw_text(char *text, int *x, int *y);
 
-namespace ui {
-  /**
-   * Prints the string text starting at position *x, *y. x and y are updated to
-   * the position after the last character
-   */
-  void draw_text(const std::string text, int *x, int *y);
-
-} // namespace ui
 #endif // UI_BASE_H_