| MKSTR(1) | General Commands Manual | MKSTR(1) |
mkstr —
mkstr |
[-] messagefile
prefix file ... |
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 version 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:
-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 starting 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);
}
mkstr utility first appeared in
1BSD.
mkstr was intended for the limited architecture of the
PDP 11 family. Very few programs actually use it. The pascal interpreter,
pi, 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.
| December 28, 2011 | OpenBSD-5.5 |