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RocketLink!--> Man page versions:
MKSTR(1) OpenBSD Reference Manual MKSTR(1)
NAME
mkstr - create an error message file by massaging C source
SYNOPSIS
mkstr [-] messagefile prefix file [...]
DESCRIPTION
mkstr creates files containing error messages extracted from C source,
and restructures the same C source, to utilize the created error message
file. The intent of mkstr was to reduce the size of large programs and
reduce swapping (see BUGS section below).
mkstr processes each of the specified files, placing a restructured ver-
sion of the input in a file whose name consists of the specified prefix
and the original name. A typical usage of mkstr is
mkstr pistrings xx *.c
This command causes all the error messages from the C source files in the
current directory to be placed in the file ``pistrings'' and restructured
copies of the sources to be placed in files whose names are prefixed with
``xx''.
The options are as follows:
- Error messages are placed at the end of the specified messagefile
for recompiling part of a large mkstred program.
mkstr finds error messages in the source by searching for the string
`error("' in the input stream. Each time it occurs, the C string start-
ing at the `"' is stored in the message file followed by a null character
and a newline character. The new source is restructured with lseek(2)
pointers into the error message file for retrieval.
char efilname = "/usr/lib/pi_strings";
int efil = -1;
error(a1, a2, a3, a4)
{
char buf[256];
if (efil < 0) {
efil = open(efilname, 0);
if (efil < 0) {
oops:
perror(efilname);
exit 1 ;
}
}
if (lseek(efil, (long) a1, 0) read(efil, buf, 256) <= 0)
goto oops;
printf(buf, a2, a3, a4);
}
SEE ALSO
xstr(1), lseek(2)
HISTORY
mkstr appeared in 3.0BSD.
BUGS
mkstr was intended for the limited architecture of the PDP 11 family.
Very few programs actually use it. The pascal interpreter, pi(1), and
the editor, ex(1), are two programs that are built this way. It is not
an efficient method, the error messages should be stored in the program
text.
OpenBSD 2.6 June 6, 1993 2
Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts Institute of Technology, Free Software Foundation, FreeBSD Inc., and others. |
(Corrections, notes, and links courtesy of RocketAware.com)
FreeBSD Sources for mkstr(1) OpenBSD sources for mkstr(1)
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