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32 .\" @(#)mkstr.1 8.1 (Berkeley) 6/6/93
33 .\" $FreeBSD: src/usr.bin/mkstr/mkstr.1,v 1.7.2.3 2002/07/15 07:10:07 keramida Exp $
34 .\" $DragonFly: src/usr.bin/mkstr/mkstr.1,v 1.2 2003/06/17 04:29:29 dillon Exp $
41 .Nd create an error message file by massaging C source
50 utility creates files containing error messages extracted from C source,
51 and restructures the same C source, to utilize the created error message
55 was to reduce the size of large programs and
62 utility processes each of the specified
64 placing a restructured version of the input in a file whose name
65 consists of the specified
67 and the original name.
71 .Bd -literal -offset indent
72 mkstr pistrings xx *.c
75 This command causes all the error messages from the C source
76 files in the current directory to be placed in the file
78 and restructured copies of the sources to be placed in
79 files whose names are prefixed with
83 .Bl -tag -width indent
85 Error messages are placed at the end of the specified
86 message file for recompiling part of a large
93 utility finds error messages in the source by
94 searching for the string
97 Each time it occurs, the C string starting at the
100 in the message file followed by a null character and a new-line character;
101 The new source is restructured with
103 pointers into the error message file for retrieval.
104 .Bd -literal -offset indent
105 char efilname = "/usr/lib/pi_strings";
108 error(a1, a2, a3, a4)
113 efil = open(efilname, 0);
115 err(1, "%s", efilname);
117 if (lseek(efil, (off_t)a1, SEEK_SET) < 0 ||
118 read(efil, buf, 256) <= 0)
119 err(1, "%s", efilname);
120 printf(buf, a2, a3, a4);
134 utility was intended for the limited architecture of the PDP 11 family.
135 Very few programs actually use it.
136 The Pascal interpreter,
140 are two programs that are built this way.
141 It is not an efficient method, the error messages
142 should be stored in the program text.