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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. typedef struct { int num_tel, nbr_appel, cout; } Client;
  5.  
  6. Client* initClient(int num_tel, int nbr_appel, int cout);
  7. Client* createData();
  8.  
  9. #define NBCLIENT 20
  10.  
  11. Client* initClient(int num_tel, int nbr_appel, int cout)
  12. {
  13.   Client *pClient = malloc(sizeof (Client));
  14.   /** @bug check for NULL pointer missing! */
  15.   pClient->num_tel = num_tel;
  16.   pClient->nbr_appel = nbr_appel;
  17.   pClient->cout = cout;
  18.   return pClient;
  19. }
  20.  
  21. Client* createData()
  22. {
  23.   Client *clients = malloc(NBCLIENT * sizeof (Client));
  24.   /** @bug check for NULL pointer missing! */
  25.   for (int i = 0; i < NBCLIENT; ++i) {
  26.     int numeroTel = 600000000 + (rand() % NBCLIENT);
  27.     int prixAppel = (rand() % 400) + 1;
  28.     Client *pClient = initClient(numeroTel,1,prixAppel);
  29.     /* copy returned CONTENTS to malloc-ed array element */
  30.     clients[i] = *pClient; /* assignment for struct-s is granted */
  31.     /* release pClient to prevent memory leaks - it's not anymore needed */
  32.     free(pClient);
  33.   }
  34.   return clients;
  35. }
  36.  
  37. int main()
  38. {
  39.   Client *clients = createData();
  40.   for (int i = 0; i < NBCLIENT; ++i) {
  41.     Client *pClient = clients + i; /* or: &clients[i] would work as well */
  42.     printf("%2d.: %d, %d, %d\n",
  43.       i, pClient->num_tel, pClient->nbr_appel, pClient->cout);
  44.   }
  45.   free(clients);
  46.   return 0;
  47. }
  48.  
Success #stdin #stdout 0s 4496KB
comments (?)
stdin
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Standard input is empty
stdout
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 0.: 600000003, 1, 87
 1.: 600000017, 1, 116
 2.: 600000013, 1, 336
 3.: 600000006, 1, 93
 4.: 600000009, 1, 222
 5.: 600000002, 1, 28
 6.: 600000010, 1, 60
 7.: 600000003, 1, 327
 8.: 600000000, 1, 227
 9.: 600000012, 1, 137
10.: 600000011, 1, 169
11.: 600000007, 1, 30
12.: 600000002, 1, 331
13.: 600000002, 1, 324
14.: 600000007, 1, 336
15.: 600000009, 1, 203
16.: 600000002, 1, 259
17.: 600000009, 1, 168
18.: 600000013, 1, 57
19.: 600000011, 1, 43
https://ideone.com/7zJESh
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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