first commit

Makefile

@@ -0,0 +1,53 @@
+BIN := $(shell basename $$(pwd))
+
+MANSECTION := 1
+MANPAGE := $(BIN).$(MANSECTION)
+
+SRCS := $(wildcard *.cpp)
+OBJS := $(subst .cpp,.o,$(SRCS))
+DEPS := $(subst .cpp,.d,$(SRCS))
+
+CXX ?= g++
+PKG_CONFIG ?= pkg-config
+
+PREFIX ?= /usr/local
+BINDIR ?= $(PREFIX)/bin
+CONFIGDIR ?= $(PREFIX)/etc
+DATADIR ?= $(PREFIX)/share
+MANDIR ?= $(DATADIR)/man/man
+DOCDIR ?= $(DATADIR)/$(BIN)/doc
+
+RM := /bin/rm -f
+INSTALL := /usr/bin/install -c
+
+CXXFLAGS := $(CXXFLAGS) -Wshadow -Wall -Wpedantic -Wextra -g -fno-strict-aliasing -std=c++17 -pthread
+ifeq ($(DEBUG),1)
+	CXXFLAGS += -D DEBUG -O0
+else
+	CXXFLAGS += -D NDEBUG -O3
+endif
+
+LDLIBS := -lm -lpthread -lcurl -lsclogging
+
+.PHONY: all clean install
+
+all: $(BIN)
+
+$(BIN): $(OBJS) $(DEPS)
+	$(CXX) $(OBJS) $(LDFLAGS) $(LDLIBS) -o $(BIN)
+
+%.o: %.cpp %.d Makefile
+	$(CXX) $(CXXFLAGS) -MMD -MP -MT $@ -MF $*.d -c $<
+
+-include *.d
+
+%.d: ;
+
+clean:
+	$(RM) $(OBJS) $(DEPS) $(BIN)
+
+install: $(BIN)
+	$(INSTALL) -d $(BINDIR)
+	$(INSTALL) $(BIN) $(BINDIR)
+	$(INSTALL) -d $(MANDIR)$(MANSECTION)
+	$(INSTALL) $(MANPAGE) $(MANDIR)$(MANSECTION)

curly.1

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+.Dd $Mdocdate$
+.Dt curly 1
+.Os
+.Sh NAME
+.Nm curly
+.Nd one line about what it does
+.\" .Sh LIBRARY
+.\" For sections 2, 3, and 9	only.
+.\" Not used in OpenBSD.
+.Sh SYNOPSIS
+.Nm
+.Fl h | v
+.Nm
+.Op Ar
+.Sh DESCRIPTION
+The
+.Nm
+utility processes files ...
+When no file arguments are given,
+.Nm
+will read from the standard input.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl h, \-help
+Print help text and exit.
+.It Fl v, \-version
+Print version info and exit.
+.El
+.\" .Sh CONTEXT
+.\" For section 9 functions only.
+.\" .Sh IMPLEMENTATION NOTES
+.\" Not used in OpenBSD.
+.\" .Sh RETURN VALUES
+.\" For sections 2, 3, and 9 function return values only.
+.\" .Sh ENVIRONMENT
+.\" For sections 1, 6, 7, and 8 only.
+.\" .Sh FILES
+.Sh EXIT STATUS
+.\" For sections 1, 6, and 8 only.
+.Nm
+exits 0 on success, and 1 if an error occurs.
+.\" .Sh EXAMPLES
+.\" .Sh DIAGNOSTICS
+.\" For sections 1, 4, 6, 7, 8, and 9 printf/stderr messages only.
+.\" .Sh ERRORS
+.\" For sections 2, 3, 4, and 9 errno settings only.
+.\" .Sh SEE ALSO
+.\" .Xr foobar 1
+.\" .Sh STANDARDS
+.\" .Sh HISTORY
+.Sh AUTHORS
+Bob Polis
+.\" .Sh CAVEATS
+.\" .Sh BUGS
+.\" .Sh SECURITY CONSIDERATIONS
+.\" Not used in OpenBSD.

main.cpp

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+//
+// main.cpp
+// curly
+//
+// Created by Bob Polis at 2020-09-01
+// Copyright (c) 2020 SwiftCoder. All rights reserved.
+//
+
+#include <iostream>
+#include <cstdlib>
+#include <string>
+#include <stdexcept>
+#include <vector>
+#include <cstring>
+#include <getopt.h>
+#include <curl/curl.h>
+#include <libsclogging.hpp>
+
+sc::logger logger {"curly", sc::loglevel::info};
+
+void print_help() {
+    std::cout << "usage: curly [-h|--version]\n";
+    std::cout << "  -h, --help    show this help text and exit\n";
+    std::cout << "  --version     show version number and exit\n";
+}
+
+void print_version() {
+    std::cout << "curly version 1.0\n";
+}
+
+size_t write_data(void* buf, size_t sz, size_t nmemb, void* userp) {
+    size_t realsize = sz * nmemb;
+    SCInfo(logger, "received ", realsize, " bytes");
+    std::vector<char>* dest {reinterpret_cast<std::vector<char>*>(userp)};
+    size_t oldsize = dest->size();
+    dest->resize(oldsize + realsize);
+    std::memcpy(dest->data() + oldsize, buf, realsize);
+    return realsize;
+}
+
+int main(int argc, const char * argv[]) {
+    try {
+        int opt_char, opt_val;
+        struct option long_options[] = {
+            {"help", no_argument, nullptr, 'h'},
+            {"version", no_argument, &opt_val, 1},
+            {nullptr, 0, nullptr, 0}
+        };
+        while ((opt_char = getopt_long(argc, const_cast<char* const *>(argv), "h", long_options, nullptr)) != -1) {
+            std::string arg {optarg ? optarg : ""};
+            switch (opt_char) {
+                case 0: {
+                    // handle long-only options here
+                    switch (opt_val) {
+                        case 1:
+                            print_version();
+                            return EXIT_SUCCESS;
+                    }
+                    break;
+                }
+                case 'h':
+                    print_help();
+                    return EXIT_SUCCESS;
+                case '?':
+                    throw std::runtime_error("unrecognized option");
+            }
+        }
+        if (optind == argc) {
+            // here when no file args
+        }
+        for (int i = optind; i < argc; ++i) {
+            try {
+                // process file argv[i]
+            } catch (const std::runtime_error& ex) {
+                std::cerr << "curly: " << ex.what() << '\n';
+            }
+        }
+        std::cout << "hello, curly\n";
+
+        curl_global_init(CURL_GLOBAL_ALL);
+        auto easy_handle = curl_easy_init();
+        curl_easy_setopt(easy_handle, CURLOPT_URL, "https://www.swiftcoder.nl/");
+        curl_easy_setopt(easy_handle, CURLOPT_WRITEFUNCTION, write_data);
+        std::vector<char> buf;
+        curl_easy_setopt(easy_handle, CURLOPT_WRITEDATA, &buf);
+        auto success = curl_easy_perform(easy_handle);
+        if (success != CURLE_OK) throw std::runtime_error("could not get remote data");
+
+        std::string text {buf.data(), buf.size()};
+        std::cout << text << '\n';
+
+        curl_easy_setopt(easy_handle, CURLOPT_URL, "https://www.swiftcoder.nl/moneydance/");
+        buf.clear();
+        success = curl_easy_perform(easy_handle);
+        if (success != CURLE_OK) throw std::runtime_error("could not get remote data");
+
+        std::string page2 {buf.data(), buf.size()};
+        std::cout << page2 << '\n';
+        
+    } catch (const std::exception& ex) {
+        std::cerr << "curly: " << ex.what() << '\n';
+        return EXIT_FAILURE;
+    }
+    return EXIT_SUCCESS;
+}