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2b629781 KP |
1 | /* |
2 | * Copyright © 2006 Keith Packard | |
3 | * Copyright © 2005 Patrick Lam | |
4 | * | |
5 | * Permission to use, copy, modify, distribute, and sell this software and its | |
6 | * documentation for any purpose is hereby granted without fee, provided that | |
7 | * the above copyright notice appear in all copies and that both that copyright | |
8 | * notice and this permission notice appear in supporting documentation, and | |
9 | * that the name of the copyright holders not be used in advertising or | |
10 | * publicity pertaining to distribution of the software without specific, | |
11 | * written prior permission. The copyright holders make no representations | |
12 | * about the suitability of this software for any purpose. It is provided "as | |
13 | * is" without express or implied warranty. | |
14 | * | |
15 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
17 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
21 | * OF THIS SOFTWARE. | |
22 | */ | |
23 | ||
24 | #include "fcint.h" | |
25 | #include <ctype.h> | |
26 | ||
27 | #define ENDIAN_TEST 0x12345678 | |
28 | #define MACHINE_SIGNATURE_SIZE (9*21 + 1) | |
2b629781 KP |
29 | |
30 | static char * | |
31 | FcCacheMachineSignature (void) | |
32 | { | |
33 | static char buf[MACHINE_SIGNATURE_SIZE]; | |
34 | int32_t magic = ENDIAN_TEST; | |
35 | char * m = (char *)&magic; | |
36 | ||
37 | sprintf (buf, "%2x%2x%2x%2x_" | |
38 | "%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x_" | |
39 | "%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x", | |
40 | m[0], m[1], m[2], m[3], | |
41 | (unsigned int)sizeof (char), | |
42 | (unsigned int)sizeof (char *), | |
43 | (unsigned int)sizeof (int), | |
e3096d90 | 44 | (unsigned int)sizeof (intptr_t), |
2b629781 KP |
45 | (unsigned int)sizeof (FcPattern), |
46 | (unsigned int)sizeof (FcPatternEltPtr), | |
47 | (unsigned int)sizeof (struct FcPatternElt *), | |
48 | (unsigned int)sizeof (FcPatternElt), | |
e3096d90 | 49 | (unsigned int)sizeof (FcObject), |
2b629781 KP |
50 | (unsigned int)sizeof (FcValueListPtr), |
51 | (unsigned int)sizeof (FcValue), | |
52 | (unsigned int)sizeof (FcValueBinding), | |
53 | (unsigned int)sizeof (struct FcValueList *), | |
54 | (unsigned int)sizeof (FcCharSet), | |
55 | (unsigned int)sizeof (FcCharLeaf **), | |
56 | (unsigned int)sizeof (FcChar16 *), | |
57 | (unsigned int)sizeof (FcChar16), | |
58 | (unsigned int)sizeof (FcCharLeaf), | |
59 | (unsigned int)sizeof (FcChar32), | |
e3096d90 | 60 | (unsigned int)sizeof (FcCache)); |
2b629781 KP |
61 | |
62 | return buf; | |
63 | } | |
64 | ||
65 | int | |
66 | main (int argc, char **argv) | |
67 | { | |
68 | static char line[1024]; | |
69 | char *signature; | |
70 | int signature_length; | |
71 | char *space; | |
72 | char *arch = NULL; | |
73 | int lineno = 0; | |
74 | ||
75 | if (argc != 2) | |
76 | fprintf (stderr, "Usage: %s <architecture>|auto < fcarch.tmpl.h > fcarch.h\n", | |
77 | argv[0]); | |
78 | arch = argv[1]; | |
79 | /* | |
80 | * Scan the input until the marker is found | |
81 | */ | |
82 | ||
83 | while (fgets (line, sizeof (line), stdin)) | |
84 | { | |
85 | lineno++; | |
86 | if (!strncmp (line, "@@@", 3)) | |
87 | break; | |
88 | fputs (line, stdout); | |
89 | } | |
90 | signature = FcCacheMachineSignature(); | |
91 | signature_length = strlen (signature); | |
92 | ||
93 | if (strcmp (arch, "auto") == 0) | |
94 | { | |
95 | arch = NULL; | |
96 | /* | |
97 | * Search for signature | |
98 | */ | |
99 | while (fgets (line, sizeof (line), stdin)) | |
100 | { | |
101 | lineno++; | |
102 | /* | |
103 | * skip comments | |
104 | */ | |
105 | if (!strncmp (line, "@@@", 3)) | |
106 | continue; | |
107 | space = line; | |
108 | while (*space && !isspace (*space)) | |
109 | space++; | |
110 | if (!space) | |
111 | { | |
112 | fprintf (stderr, "%s: malformed input on line %d\n", | |
113 | argv[0], lineno); | |
114 | exit (1); | |
115 | } | |
116 | *space++ = '\0'; | |
117 | while (isspace (*space)) | |
118 | space++; | |
119 | if (!strncmp (space, signature, signature_length)) | |
120 | { | |
121 | arch = line; | |
122 | break; | |
123 | } | |
124 | } | |
125 | } | |
126 | if (!arch) | |
127 | { | |
128 | fprintf (stderr, "%s: unknown signature \"%s\"\n", argv[0], signature); | |
129 | fprintf (stderr, "\tPlease update fcarch.tmpl.h and rebuild\n"); | |
130 | exit (1); | |
131 | } | |
132 | printf ("#define FC_ARCHITECTURE \"%s\"\n", arch); | |
133 | fflush (stdout); | |
134 | exit (ferror (stdout)); | |
135 | } | |
136 |