init

Makefile

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+include config.mk
+
+

include/argparse.h

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+/**
+ * Copyright (C) 2012-2015 Yecheng Fu <cofyc.jackson at gmail dot com>
+ * All rights reserved.
+ *
+ * Use of this source code is governed by a MIT-style license that can be found
+ * in the LICENSE file.
+ */
+#ifndef ARGPARSE_H
+#define ARGPARSE_H
+
+/* For c++ compatibility */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+struct argparse;
+struct argparse_option;
+
+typedef int argparse_callback (struct argparse *self,
+                               const struct argparse_option *option);
+
+enum argparse_flag {
+    ARGPARSE_STOP_AT_NON_OPTION  = 1 << 0,
+    ARGPARSE_IGNORE_UNKNOWN_ARGS = 1 << 1,
+};
+
+enum argparse_option_type {
+    /* special */
+    ARGPARSE_OPT_END,
+    ARGPARSE_OPT_GROUP,
+    /* options with no arguments */
+    ARGPARSE_OPT_BOOLEAN,
+    ARGPARSE_OPT_BIT,
+    /* options with arguments (optional or required) */
+    ARGPARSE_OPT_INTEGER,
+    ARGPARSE_OPT_FLOAT,
+    ARGPARSE_OPT_STRING,
+};
+
+enum argparse_option_flags {
+    OPT_NONEG = 1,              /* disable negation */
+};
+
+/**
+ *  argparse option
+ *
+ *  `type`:
+ *    holds the type of the option, you must have an ARGPARSE_OPT_END last in your
+ *    array.
+ *
+ *  `short_name`:
+ *    the character to use as a short option name, '\0' if none.
+ *
+ *  `long_name`:
+ *    the long option name, without the leading dash, NULL if none.
+ *
+ *  `value`:
+ *    stores pointer to the value to be filled.
+ *
+ *  `help`:
+ *    the short help message associated to what the option does.
+ *    Must never be NULL (except for ARGPARSE_OPT_END).
+ *
+ *  `callback`:
+ *    function is called when corresponding argument is parsed.
+ *
+ *  `data`:
+ *    associated data. Callbacks can use it like they want.
+ *
+ *  `flags`:
+ *    option flags.
+ */
+struct argparse_option {
+    enum argparse_option_type type;
+    const char short_name;
+    const char *long_name;
+    void *value;
+    const char *help;
+    argparse_callback *callback;
+    intptr_t data;
+    int flags;
+};
+
+/**
+ * argpparse
+ */
+struct argparse {
+    // user supplied
+    const struct argparse_option *options;
+    const char *const *usages;
+    int flags;
+    const char *description;    // a description after usage
+    const char *epilog;         // a description at the end
+    // internal context
+    int argc;
+    const char **argv;
+    const char **out;
+    int cpidx;
+    const char *optvalue;       // current option value
+};
+
+// built-in callbacks
+int argparse_help_cb(struct argparse *self,
+                     const struct argparse_option *option);
+int argparse_help_cb_no_exit(struct argparse *self,
+                             const struct argparse_option *option);
+
+// built-in option macros
+#define OPT_END()        { ARGPARSE_OPT_END, 0, NULL, NULL, 0, NULL, 0, 0 }
+#define OPT_BOOLEAN(...) { ARGPARSE_OPT_BOOLEAN, __VA_ARGS__ }
+#define OPT_BIT(...)     { ARGPARSE_OPT_BIT, __VA_ARGS__ }
+#define OPT_INTEGER(...) { ARGPARSE_OPT_INTEGER, __VA_ARGS__ }
+#define OPT_FLOAT(...)   { ARGPARSE_OPT_FLOAT, __VA_ARGS__ }
+#define OPT_STRING(...)  { ARGPARSE_OPT_STRING, __VA_ARGS__ }
+#define OPT_GROUP(h)     { ARGPARSE_OPT_GROUP, 0, NULL, NULL, h, NULL, 0, 0 }
+#define OPT_HELP()       OPT_BOOLEAN('h', "help", NULL,                 \
+                                     "show this help message and exit", \
+                                     argparse_help_cb, 0, OPT_NONEG)
+
+int argparse_init(struct argparse *self, struct argparse_option *options,
+                  const char *const *usages, int flags);
+void argparse_describe(struct argparse *self, const char *description,
+                       const char *epilog);
+int argparse_parse(struct argparse *self, int argc, const char **argv);
+void argparse_usage(struct argparse *self);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

include/libcolor.h

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+/* libcolor.h - header file to define colors */
+
+#ifndef LIBCOLOR_H_
+#define LIBCOLOR_H_
+
+#define TXT_BOLD	"\e[1m"
+#define TXT_RESET	"\e[m"
+
+#define COL_RED		"\x1b[31m"
+#define COL_GREEN	"\x1b[32m"
+#define COL_YELLOW	"\x1b[33m"
+#define COL_BLUE	"\x1b[34m"
+#define COL_MAGENTA	"\x1b[35m"
+#define COL_CYAN	"\x1b[36m"
+#define COL_RESET	"\x1b[0m"
+
+#endif

src/config.h

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+#ifndef CONFIG_H_
+#define CONFIG_H_
+
+#define NC_EVENTS_FILE	"/etc/nc/events"
+
+#endif

src/main.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../include/argparse.h"
+
+static const char *const usages[] = {
+	"nc -c -r DATE EVENT_NAME",
+	NULL,
+};
+
+#define PERM_READ (1<<0)
+#define PERM_WRITE (1<<1)
+#define PERM_EXEC (1<<2)
+
+int main (int argc, const char **argv) {
+	int

src/mkevent.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "../include/libcolor.h"
+
+#include "config.h"

src/printevents.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "../include/libcolor.h"
+
+#include "config.h"
+
+char printevents() {
+	FILE *fp;
+
+	char filename[100], contents;
+
+	fp = fopen(NC_EVENTS_FILE, "r");
+	if (fp == NULL) {
+		printf(TXT_BOLD COL_RED "events file does not exist\n");
+		printf("ensure the events file defined in config.h exists\n" COL_RESET TXT_RESET);
+		exit(1);
+	}
+
+	contents = fgetc(fp);
+		while (contents != EOF) {
+			printf ("%c", contents);
+			contents = fgetc(fp);
+		}
+
+	fclose(fp);
+	exit(0);
+}