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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
extern int _error(int do_perror, char *fmt, ...);
#define NO_PERROR 0
#define PERROR 1
/*
* Icon loader for eeprom command.
*
* Based on libsuntool/icon/icon_load.c 10.10 88/02/08
* See <suntool/icon_load.h> for icon file format.
*/
int
loadlogo(char *name, int w, int h, char *logo)
{
FILE *f;
int c = 0;
unsigned int val;
int icw = 64, ich = 64, bits = 16;
int count;
if (!(f = fopen(name, "r")))
return (_error(PERROR, "cannot open %s", name));
do {
int nval;
char slash;
if ((c = fscanf(f, "%*[^DFHVW*]")) == EOF)
break;
switch (c = getc(f)) {
case 'D':
if ((c = fscanf(f, "epth=%d", &nval)) == 1 &&
nval != 1)
goto badform;
break;
case 'F':
if ((c = fscanf(f, "ormat_version=%d", &nval)) == 1 &&
nval != 1)
goto badform;
break;
case 'H':
c = fscanf(f, "eight=%d", &ich);
break;
case 'V':
c = fscanf(f, "alid_bits_per_item=%d", &bits);
break;
case 'W':
c = fscanf(f, "idth=%d", &icw);
break;
case '*':
c = fscanf(f, "%c", &slash);
if (slash == '/')
goto eoh; /* end of header */
else
(void) ungetc(slash, f);
break;
}
} while (c != EOF);
eoh:
if (c == EOF ||
icw != w || ich != h ||
bits != 16 && bits != 32) {
badform:
(void) fclose(f);
return (_error(NO_PERROR, "header format error in %s", name));
}
for (count = ((w + (bits - 1)) / bits) * h; count > 0; count--) {
c = fscanf(f, " 0x%x,", &val);
if (c == 0 || c == EOF)
break;
switch (bits) {
case 32:
*logo++ = val >> 24;
*logo++ = val >> 16;
/* FALLTHRU */
case 16:
*logo++ = val >> 8;
*logo++ = val;
break;
}
}
(void) fclose(f);
if (count > 0)
return (_error(NO_PERROR, "data format error in %s", name));
return (0);
}
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