END_TEST
START_TEST(test_string_replchar)
{
char *mystring;
mystring = (char *)calloc(1024, sizeof(char));
fail_unless(NULL != mystring);
// NULL should be handled without error
string_replchar(NULL, 'a', 'b');
// string empty
string_replchar(mystring, 'a', 'b');
fail_unless('\0' == *mystring);
// simple replacement
snprintf(mystring, 1024, "abcdefga");
string_replchar(mystring, 'a', 'z');
fail_unless(strcmp("zbcdefgz", mystring) == 0);
// no replacement
string_replchar(mystring, 'a', 'z');
fail_unless(strcmp("zbcdefgz", mystring) == 0);
}
/*****************************************************************************
* Convert size into human readable format (e.g. 100,256Kb or 20.7Mb)
*
* Arguments:
* buffer pointer to the buffer for resulting string
* size size in bytes that you want to print
*
* Return value:
* Pointer to the string
*/
char *string_humansize(char *buffer, size_t size)
{
if( size < 1024 )
sprintf(buffer, "%ldb", (long)size);
else if( size < 100*1024 )
sprintf(buffer, "%.1fK", ((double)size)/1024.0);
else if( size < 1000*1024 )
sprintf(buffer, "%ldK", (long)(size/1024));
else if( size < 100*1024*1024 )
sprintf(buffer, "%.1fM", ((double)size)/(1024.0*1024.0));
else if( size < 1000*1024*1024 )
sprintf(buffer, "%ldM", (long)(size/(1024*1024)));
else
sprintf(buffer, "%.1fG", ((double)size)/(1024.0*1024.0*1024.0));
return string_replchar(buffer, ',', '.');
}