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tshm1.c
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tshm1.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "shm_malloc.h"
#ifndef SHM_FILE
#define SHM_FILE "tshm1_file"
#endif
struct list {
struct list *next;
char *data;
};
struct head {
struct list *head;
struct list **tail;
};
void setup()
{
struct head *h = shm_malloc(sizeof(struct head));
if (!h) {
perror("shm_malloc");
exit(1); }
h->head = 0;
h->tail = &h->head;
shm_set_global(h);
}
int main(int ac, char **av)
{
int i;
struct head *h;
struct list *l;
if (shm_init(SHM_FILE, setup) < 0) {
perror("shm_init");
exit(1); }
h = shm_global();
if (!h) {
perror("shm_global");
exit(1); }
for (i = 1; i < ac; i++) {
if (!(l = shm_malloc(sizeof(struct list)))) {
perror("shm_malloc");
exit(1); }
l->next = 0;
if (!(l->data = shm_malloc(strlen(av[i]) + 1))) {
perror("shm_malloc");
exit(1); }
strcpy(l->data, av[i]);
*h->tail = l;
h->tail = &l->next; }
for (l = h->head; l; l = l->next) {
printf("%s\n", l->data); }
return 0;
}