int emu_file::ungetc(int c)
{
// load the ZIP file now if we haven't yet
if (compressed_file_ready())
return 1;
// read the data if we can
if (m_file != NULL)
return core_ungetc(c, m_file);
return 1;
}
int emu_file::ungetc(int c)
{
// load the ZIP file now if we haven't yet
if (m_zipfile != NULL && load_zipped_file() != FILERR_NONE)
return 1;
// read the data if we can
if (m_file != NULL)
return core_ungetc(c, m_file);
return 1;
}
char *core_fgets(char *s, int n, core_file *file)
{
char *cur = s;
/* loop while we have characters */
while (n > 0)
{
int c = core_fgetc(file);
if (c == EOF)
break;
/* if there's a CR, look for an LF afterwards */
if (c == 0x0d)
{
int c2 = core_fgetc(file);
if (c2 != 0x0a)
core_ungetc(c2, file);
*cur++ = 0x0d;
n--;
break;
}
/* if there's an LF, reinterp as a CR for consistency */
else if (c == 0x0a)
{
*cur++ = 0x0d;
n--;
break;
}
/* otherwise, pop the character in and continue */
*cur++ = c;
n--;
}
/* if we put nothing in, return NULL */
if (cur == s)
return NULL;
/* otherwise, terminate */
if (n > 0)
*cur++ = 0;
return s;
}
