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recap_island/fundamentals/Makefile

@@ -0,0 +1,6 @@
+CC = gcc
+CFLAGS = -Wextra -Wall -Werror
+SRCS = main.c quotes.c village_manager.c villagers.c 
+TARGET = main
+all:
+	$(CC) -o $(TARGET) $(SRCS) $(CFLAGS)

recap_island/fundamentals/quotes.c

@@ -0,0 +1,143 @@
+#include "village.h"
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <stdio.h>
+
+char *get_quote(const struct villager *village, unsigned int population, char *name){
+    
+    if (!village || population <= 0) return NULL;
+    
+   unsigned int index = 0;
+    while(index < population){
+        
+        if(!strcmp(village[index].name, name)) 
+            return village[index].favorite_quote;
+        
+        index ++;
+    }
+
+    //if(index == population) return NULL;
+    
+    return NULL;
+}
+
+int list_quotes(const char *filename, const struct villager *village, unsigned int population){
+    
+    if(!filename || !village) return -1;
+    
+    FILE *file = fopen(filename, "w");
+    if(!file) return -2;
+
+    unsigned int index = 0;
+    while(index < population){
+        
+        fprintf(file, "%s\n", village[index].favorite_quote);
+        index ++;
+    }
+
+    fclose(file);
+
+    return 0;
+
+
+}
+
+char *second_longest_quote(const char *filename){
+
+    if(!filename) return NULL;
+    
+    FILE *file = fopen(filename, "r");
+    if(!file)return NULL;
+
+    //utiliser getline
+    //utiliser strcmp() //comparaison entre deux str
+
+    //char *max_line = malloc(sizeof(char));
+    //char *second_line = malloc(sizeof(char));
+    
+    char *max_line = NULL;
+    char *sc_line = NULL;
+    char *tmp_line = NULL;
+
+    size_t index = 0;
+    ssize_t len_max = 0;
+    ssize_t len_sec = 0;
+    ssize_t len_tmp = 0;
+
+    //char *c = fgets(char *restrict s, int n, FILE *restrict stream);
+    //lecture fichier
+    while((len_tmp = getline(&tmp_line, &index, file)) != -1){ // si la ligne est plus grande que max_line
+         
+        if(len_tmp > len_max){
+            
+            len_sec = len_max;
+            len_max = len_tmp;
+
+            free(sc_line);
+
+            sc_line = max_line;
+            max_line = strdup(tmp_line);
+        }
+
+        else if (len_tmp > len_sec){
+            
+            len_sec = len_tmp;
+            free(sc_line);
+            sc_line = strdup(tmp_line);
+        }
+
+
+    }
+    free(tmp_line);
+    free(max_line);
+    fclose(file);
+    return sc_line;
+}
+/*
+int main(void)
+{
+    struct villager village[2] = {
+        {
+            .name = "Tom Nook",
+            .age = 99,
+            .job = SELLER,
+            .favorite_quote = "It's 42 bells",
+        },
+        {
+            .name = "Marie",
+            .age = 23,
+            .job = WORKER,
+            .favorite_quote = "It's so expensive!",
+        },
+    };
+    unsigned int population = 2;
+    
+    char *quote = get_quote(village, population, "Tom Nook");
+    printf("- %s\n", quote);
+
+    quote = get_quote(village, population, "Marie");
+    printf("- %s\n", quote);
+
+    quote = get_quote(village, population, "TC");
+    printf("%p\n", quote);
+
+    int err = list_quotes("/tmp/list_quotes", village, population);
+    printf("%d\n", err);
+
+    err = list_quotes(NULL, village, population);
+    printf("%d\n", err);
+
+
+    printf("the last\n");
+    quote = second_longest_quote("/tmp/list_quotes");
+    printf("%s\n", quote);
+    free(quote);
+
+    quote = second_longest_quote("/");
+    printf("%p\n", quote);
+
+    free(quote);
+
+}*/

recap_island/fundamentals/village.h

@@ -0,0 +1,31 @@
+#ifndef VILLAGE_H
+#define VILLAGE_H
+
+enum works{
+
+    WORKER,
+    SELLER,
+    MUSICIAN,
+    UNEMPLOYED,
+};
+
+struct villager{
+
+     char *name;
+     unsigned int age;
+     enum works job ;
+     char *favorite_quote;
+};
+
+char *get_quote(const struct villager *village, unsigned int population, char *name);
+int list_quotes(const char *filename, const struct villager *village, unsigned int population);
+char *second_longest_quote(const char *filename);
+char *oldest_villager(const struct villager *village, unsigned int population);
+float average_village_age(const struct villager *village, unsigned int population);
+void sort_village(struct villager *village, unsigned int population);
+int add_villager(struct villager **village, unsigned int *population, struct villager villager);
+int remove_villager(struct villager **village, unsigned int *population, char *name);
+void clear_village(struct villager **village, unsigned int *population);
+
+
+#endif

recap_island/fundamentals/village_manager.c

@@ -0,0 +1,113 @@
+#include "village.h"
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int add_villager(struct villager **village, unsigned int *population, struct villager villager){
+
+    if(!village || population == 0) return  -1;
+    
+    struct villager *tmp = realloc(*village, (*population + 1) * sizeof(struct villager));
+    if(!tmp) return -2;
+
+    *village = tmp;
+    (*village)[*population] = villager;
+    (*population) ++;
+    
+    return 0;
+
+}
+
+int remove_villager(struct villager **village, unsigned int *population, char *name){
+
+    if(!village || population == 0 || !name) return -1;
+    
+    if(*population == 1){
+
+        if(!strcmp(village[0]->name, name)){
+
+            free(*village);
+            *village = NULL;
+            *population = 0;
+        }
+        return 0;
+    }
+    
+    size_t index = 0;
+    int found = 0;
+    while(index < *population){
+        
+        if(found != 0){
+            (*village)[index - 1] = (*village)[index];
+        }
+        
+        if(!strcmp((*village)[index].name, name)) found ++;
+
+        index ++;
+    }
+
+    *population -= found;
+    if(*population > 0) *village = realloc(*village, (*population) * sizeof(struct villager));
+    else {
+        free(*village);
+        *village = NULL;
+    }
+    return 0;
+    
+}
+
+void clear_village(struct villager **village, unsigned int *population){
+
+    if(!village || population == 0) return ;
+
+    /*for(size_t i = 0; i < *population; i ++){
+        
+        free(village[i]);
+        village[i] = NULL;
+    }
+    //free(village);
+    */
+
+    for (unsigned int i = 0; i < *population; i++){
+        village[i] = NULL;
+    }
+    *population = 0;
+
+}
+/*
+int main(void)
+{
+
+        struct villager *village = NULL;
+    unsigned int population = 0;
+
+    struct villager tom_nook = {
+        .name = "Tom Nook",
+        .age = 99,
+        .job = SELLER,
+        .favorite_quote = "It's 42 bells",
+    };
+
+    add_villager(&village, &population, tom_nook);
+
+    struct villager marie = {
+        .name = "Marie",
+        .age = 23,
+        .job = WORKER,
+        .favorite_quote = "It's so expensive!",
+    };
+
+    add_villager(&village, &population, marie);
+
+    clear_village(&village, &population);
+
+    for (unsigned int i = 0; i < population; i++)
+    {
+        printf("I'm %s (%d)\n", village[i].name, village[i].age);
+    }
+
+    printf("%p\n", village);
+    printf("%u\n", population);
+}
+*/

recap_island/fundamentals/villagers.c

@@ -0,0 +1,105 @@
+#include "village.h"
+#include <ctype.h>
+#include <stddef.h>
+#include <strings.h>
+#include <stdio.h>
+
+char *oldest_villager(const struct villager *village, unsigned int population){
+
+    if(!village || population <= 0) return NULL;
+    
+    unsigned int oldest = 0;
+    char *name = NULL;
+    size_t index = 0;
+    while(index < population){
+
+        if(village[index].age > oldest){ 
+            name = village[index].name;
+            oldest = village[index].age;}
+        index ++;
+    }
+
+    return name;
+}
+
+float average_village_age(const struct villager *village, unsigned int population){
+
+    if(!village || population <= 0) return -1;
+
+    float tot = 0;
+    size_t index = 0;
+    while(index < population){
+        tot += village[index].age;
+        index ++;
+    }
+
+    return tot / population;
+
+}
+
+void sort_village(struct villager *village, unsigned int population){
+
+    //ordre : WORKER - SELLER - MUSICIAN - UNEMPLOYED
+
+    if(!village || population <= 0) return ;
+    size_t index = 0;
+    int is_sort = 0;
+    while(!is_sort){
+        
+        is_sort = 1;
+        index = 0;
+
+        while(index < population - 1){
+    
+            if(village[index].job > village[index + 1].job){
+                
+                struct villager tmp = village[index];
+                village[index] = village[index + 1];
+                village[index + 1] = tmp;
+                
+                is_sort = 0;
+            }
+            index ++;
+            
+        }
+    }
+
+}
+/*
+int main(void)
+{
+    struct villager village[2] = {
+        {
+            .name = "Tom Nook",
+            .age = 99,
+            .job = SELLER,
+            .favorite_quote = "It's 42 bells",
+        },
+        {
+            .name = "Marie",
+            .age = 23,
+            .job = WORKER,
+            .favorite_quote = "It's so expensive!",
+        },
+    };
+    unsigned int population = 2;
+
+    char *oldest = oldest_villager(village, population);
+    printf("Hi %s!\n", oldest);
+
+    oldest = oldest_villager(NULL, 0);
+    printf("%p\n", oldest);
+    
+    float avg = average_village_age(village, population);
+    printf("Avg: %.2f\n", avg);
+
+    avg = average_village_age(village, 0);
+    printf("Avg: %.2f\n", avg);
+    
+    sort_village(village, population);
+
+    for (unsigned int i = 0; i < population; i++)
+    {
+        printf("I'm %s (%d)\n", village[i].name, village[i].age);
+    }
+}*/