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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#define MAXLEN 1024
/* print the current working directory */
int main(void)
{
char *cwd, i = 1;
do {
size_t size = i * MAXLEN;
cwd = (char *)malloc(size);
getcwd(cwd, size);
if (errno == ERANGE)
free((void *)cwd);
} while (errno == ERANGE && ++i < 10);
if (errno == ERANGE) {
fprintf(stderr, "pwd: directory name is too large\n");
return -1;
}
printf("%s\n", cwd);
free((void *)cwd);
return 0;
}
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