/*
** From Whiskey :-)
*/
char *read_whole_file(int file_descriptor)
{
size_t block_size;
char *string;
size_t length;
ssize_t read_char_count;
string = NULL;
length = 0;
block_size = 1024 * 1024;
while ((string = egc_realloc(string, length + block_size + 1)) != NULL)
{
read_char_count = read(file_descriptor, string + length, block_size);
if (read_char_count > -1)
string[read_char_count] = '\0';
length += read_char_count;
if (read_char_count == -1 || string_get_length(string) != (int)length)
return (NULL);
if (read_char_count != (ssize_t)block_size)
break ;
}
return (string);
}
static void test_realloc(void)
{
char *data;
data = egc_realloc(NULL, 10);
check_allocated_block(data, 10);
data[0] = 'a';
data = egc_realloc(data, 1);
ASSERT(data[0] == 'a');
data = egc_realloc(data, 1);
ASSERT(data[0] == 'a');
data = egc_realloc(data, 0);
data = egc_realloc(data, 1);
ASSERT(!data[0]);
data[0] = 'a';
data = egc_realloc(data, 100);
ASSERT(data[0] == 'a');
ASSERT(is_zero(data + 1, 99));
data[99] = 'b';
data = egc_realloc(data, 100);
ASSERT(data[0] == 'a');
ASSERT(is_zero(data + 1, 98));
ASSERT(data[99] == 'b');
}