1
2/*
3 * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
4 * 	All Rights Reserved
5 *
6 * This file is a component of an X Window System-specific implementation
7 * of Xcms based on the TekColor Color Management System.  Permission is
8 * hereby granted to use, copy, modify, sell, and otherwise distribute this
9 * software and its documentation for any purpose and without fee, provided
10 * that this copyright, permission, and disclaimer notice is reproduced in
11 * all copies of this software and in supporting documentation.  TekColor
12 * is a trademark of Tektronix, Inc.
13 *
14 * Tektronix makes no representation about the suitability of this software
15 * for any purpose.  It is provided "as is" and with all faults.
16 *
17 * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
18 * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
19 * PARTICULAR PURPOSE.  IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
20 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
21 * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
22 * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
23 * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
24 *
25 *
26 *	NAME
27 *		XcmsIdOfPr.c
28 *
29 *	DESCRIPTION
30 *		Source for XcmsFormatOfPrefix()
31 *
32 *
33 */
34
35#ifdef HAVE_CONFIG_H
36#include <config.h>
37#endif
38#include "Xlibint.h"
39#include "Xcmsint.h"
40#include "Cv.h"
41
42
43/*
44 *	NAME
45 *		XcmsFormatOfPrefix
46 *
47 *	SYNOPSIS
48 */
49XcmsColorFormat
50XcmsFormatOfPrefix(char *prefix)
51/*
52 *	DESCRIPTION
53 *		Returns the Color Space ID for the specified prefix
54 *		if the color space is found in the Color Conversion
55 *		Context.
56 *
57 *	RETURNS
58 *		Color Space ID if found; zero otherwise.
59 */
60{
61    XcmsColorSpace	**papColorSpaces;
62    char		string_buf[64];
63    char		*string_lowered;
64    size_t		len;
65
66    /*
67     * While copying prefix to string_lowered, convert to lowercase
68     */
69    if ((len = strlen(prefix)) >= sizeof(string_buf)) {
70	string_lowered = Xmalloc(len+1);
71    } else {
72	string_lowered = string_buf;
73    }
74    _XcmsCopyISOLatin1Lowered(string_lowered, prefix);
75
76    /*
77     * First try Device-Independent color spaces
78     */
79    papColorSpaces = _XcmsDIColorSpaces;
80    if (papColorSpaces != NULL) {
81	while (*papColorSpaces != NULL) {
82	    if (strcmp((*papColorSpaces)->prefix, string_lowered) == 0) {
83		if (len >= sizeof(string_buf)) Xfree(string_lowered);
84		return((*papColorSpaces)->id);
85	    }
86	    papColorSpaces++;
87	}
88    }
89
90    /*
91     * Next try Device-Dependent color spaces
92     */
93    papColorSpaces = _XcmsDDColorSpaces;
94    if (papColorSpaces != NULL) {
95	while (*papColorSpaces != NULL) {
96	    if (strcmp((*papColorSpaces)->prefix, string_lowered) == 0) {
97		if (len >= sizeof(string_buf)) Xfree(string_lowered);
98		return((*papColorSpaces)->id);
99	    }
100	    papColorSpaces++;
101	}
102    }
103
104    if (len >= sizeof(string_buf)) Xfree(string_lowered);
105    return(XcmsUndefinedFormat);
106}
107