「🏗️」 wip: parsing kinda working
This commit is contained in:
2
Makefile
2
Makefile
@ -17,7 +17,7 @@ DEPS = $(SRCS:$(SRCDIR)/%.c=$(OBJSDIR)/%.d)
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# $(info OBJ $(OBJS))
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# $(info SRC $(SRCS))
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FLAGS = -Wall -Werror -Wextra -MMD -MP -g
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FLAGS = -MMD -MP -g
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RED = \033[0;31m
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GREEN = \033[0;32m
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@ -1,28 +1,48 @@
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#pragma once
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#include <stdint.h>
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typedef struct {
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char *name;
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char opt;
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char *doc;
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char *name;
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char opt;
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char *doc;
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uint8_t arg_nb;
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uint8_t grp;
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} options_t;
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static options_t options[] = {
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{
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"help",
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'?',
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"give this help list"
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},
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{
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"verbose",
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'v',
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"verbose output"
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}
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#define GRP 0 // AKA random useless sh*t
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{"usage", 'u', "give a short usage message", 0, GRP},
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{"help", '?', "give this help list", 0, GRP},
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{"version", 'V', "print program version", 0, GRP},
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#undef GRP
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#define GRP 1 // AKA mandatory
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{"verbose", 'v', "verbose output", 0, GRP},
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#undef GRP
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#define GRP 2 // AKA bonus
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{"count", 'c', "stop after sending NUMBER packets (--count=NUMBER)", 1,
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GRP},
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{"size", 's', "send NUMBER data octets (--size=NUMBER)", 1, GRP},
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{"timeout", 'w', "stop after N seconds (--timeout=N)", 1, GRP}
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#undef GRP
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};
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#define OPT_NB 2
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#define OPT_NB 5
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#define FT_PING_V 0.1
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#define OPT_WHILE \
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int i = 0; \
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while (i < OPT_NB)
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#define OPT_HANDLE(i) \
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if (options[i].arg_nb == 1) { \
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if (!(av + 1) || !*(av + 1)) { \
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return EX_USAGE; \
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} \
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args->arg[i] = *(av + 1); \
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} \
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args->opts[i] = true;
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/**
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* @brief Can be used to print the help message if no host (or addr) are
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* provided
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@ -1,9 +1,13 @@
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#pragma once
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#include <help.h>
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#include <stdint.h>
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#include <stdbool.h>
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typedef struct {
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bool verbose;
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bool opts[OPT_NB];
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char *arg[OPT_NB];
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} args_t;
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/**
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31
src/help.c
31
src/help.c
@ -4,18 +4,35 @@
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#include <stdio.h>
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void print_help(void) {
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uint16_t i = 0;
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printf("Usage: ping [OPTION...] HOST ...\n");
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printf("Send ICMP ECHO_REQUEST packets to network hosts.\n\n");
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while (i < OPT_NB) {
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printf(" -%c, --%s:\t %s\n", options[i].opt, options[i].name, options[i].doc);
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printf(" All the mandatory options : \n");
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OPT_WHILE {
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if (options[i].grp == 1)
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printf(" -%c, --%s:\t %s\n", options[i].opt, options[i].name,
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options[i].doc);
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i++;
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}
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printf("\nMandatory or optional arguments to long options are also mandatory "
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"or optional\nfor any corresponding short options.\n\n");
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printf("Report bugs to <noreply@adjoly.fr> (pls don't).\n");
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i = 0;
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printf(" All the bonuses options : \n");
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while (i < OPT_NB) {
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if (options[i].grp == 2)
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printf(" -%c, --%s:\t %s\n", options[i].opt, options[i].name,
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options[i].doc);
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i++;
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}
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printf(" All the prints and help function : \n");
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while (i < OPT_NB) {
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if (options[i].grp == 0)
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printf(" -%c, --%s:\t %s\n", options[i].opt, options[i].name,
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options[i].doc);
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i++;
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}
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printf(
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"\nMandatory or optional arguments to long options are also mandatory "
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"or optional\nfor any corresponding short options.\n\n");
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printf("Report bugs to <noreply@adjoly.fr> :D.\n");
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}
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void print_no_host(char *av) {
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13
src/main.c
13
src/main.c
@ -6,6 +6,17 @@
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#include <stdio.h>
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#include <stdlib.h>
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void init_args_t(args_t *args) {
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OPT_WHILE {
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args->opts[i] = false;
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args->arg[i] = NULL;
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}
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}
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void handle_options(args_t *args) {
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// TODO: need to make this function D:
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}
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int main(int ac, char **av) {
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args_t args;
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if (ac > 1) {
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@ -15,7 +26,7 @@ int main(int ac, char **av) {
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else if (ret != EXIT_SUCCESS)
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return ret;
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else
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return EXIT_SUCCESS;
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handle_options(&args);
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} else {
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print_no_host(*av);
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return EX_USAGE;
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@ -4,36 +4,48 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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int handle_long_args(char **av, args_t *args) {
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OPT_WHILE {
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if (strncmp((*av) + 2, options[i].name, strlen(options[i].name)) == 0) {
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OPT_HANDLE(i)
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}
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i++;
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}
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return EXIT_SUCCESS;
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}
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int opt_parse(char **av, args_t *args) {
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char *exec_name = *av;
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(void)args;
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while (*av != NULL) {
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char *a = *av;
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if (*a == '-') {
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switch ((char)*(a + 1)) {
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case '-':
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break;
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case '?':
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print_help();
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return -1;
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case 'v':
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printf("verboseeee");
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break;
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};
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char opt = *(a + 1);
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if (!opt) {
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print_no_host(exec_name);
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return EX_USAGE;
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} else if (opt == '-') {
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int ret = handle_long_args(av, args);
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if (ret == EX_USAGE) {
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print_no_host(exec_name);
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return EX_USAGE;
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}
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} else {
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OPT_WHILE {
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if (opt == options[i].opt) {
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OPT_HANDLE(i)
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}
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i++;
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}
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}
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} else {
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}
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av++;
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}
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if (av) {
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print_no_host(exec_name);
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return EX_USAGE;
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}
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return EXIT_SUCCESS;
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}
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