/usr/lib/eso-midas/17FEB/test/os/osutest.c is in eso-midas-testdata 17.02pl1.2-2build1.
This file is owned by root:root, with mode 0o644.
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/*===========================================================================
Copyright (C) 1995 European Southern Observatory (ESO)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 675 Massachusetss Ave, Cambridge,
MA 02139, USA.
Corresponding concerning ESO-MIDAS should be addressed as follows:
Internet e-mail: midas@eso.org
Postal address: European Southern Observatory
Data Management Division
Karl-Schwarzschild-Strasse 2
D 85748 Garching bei Muenchen
GERMANY
===========================================================================*/
/*+++++++++++
.TYPE Program
.LANGUAGE C
.IDENTIFICATION osuTEST
.VERSION 1.0 06-Oct-1987: Creation
.AUTHOR Francois Ochsenbein [ESO-IPG]
.KEYWORDS Test of osu routines
.ENVIRONMENT
.COMMENTS
-------------------------------------------------------------------------*/
#include <osdev.h>
#include <osfile.h> /* To use timing functions */
#include <atype.h>
#include <macrogen.h>
#define IO_MAX (90*512)
static char msg[8192];
static int f, fd;
/* static struct devstat info; */
static char buffer[IO_MAX];
static char c1[132];
static char c0[132];
char *osmsg(), *oshenv(), *osuname();
long oshtime(), oshgmt();
main()
{ long int st, n, sec;
char *p;
int i, l, op;
double ft;
puts("==== Testing OSU (special Units access) routines ====");
puts(" Type ? for Help");
while(1)
{ printf("Your choice: "); if (!gets(msg)) break;
if (msg[0] == '.') strcpy(msg,c0);
else strcpy(c0,msg);
switch(toupper(msg[0]))
{ default: puts("*** Uknown Command!");
case 'H': help(); continue;
case 'O': /* Open */
switch(toupper(msg[1]))
{ default: op = READ; break; /* Read */
case 'W': op = WRITE; break;
case 'A': op = APPEND; break;
case 'M': op = READ_WRITE; break;
}
for (i=2; isspace(msg[i]); i++) ;
switch(toupper(msg[i]))
{ case 'D': l = 1024; /* Default Density */ break;
default : l = 0; break;
}
printf("Density or Sector Size [%d]: ", l); gets(c1);
if (c1[0]) l = atoi(c1);
st = osuopen(&msg[i], op, l);
if (st >= 0) f = st, printf("Blocksize of unit is %d bytes\n",
osubsize(f));
break;
case 'C': /* Close */
st = osuclose(f, toupper(msg[1]) == 'D'); break;
case 'i': case 'I': /* Retrieve Info */
printf("Info for: %d (%s)\t",
f, /* File Number */
osuname(f)); /* file name */
#if 0
printf("density=%d, ",
info.density); /* file size in BYTES */
printf("device=%c, ",
info.device_type); /* creation date */
#endif
printf("bsize=%d, ",
osubsize(f)); /* Block file size in BYTES */
puts("");
break;
case 'R': /* Read n bytes */
n = get_bytes(&msg[1]); /* n */
st = osuread(f, buffer, n);
if (st < 0)
{ if (*osmsg() == 0) { puts("====EOF===="); continue; }
else break; /* Error */
}
if (st > n) puts("====Truncated Text====");
write(1, buffer, st);
puts("");
break;
case 'P': /* Write text */
if (msg[1] == EOS) { printf("Text: ") ; gets(&msg[2]);}
/* Complete with template when size required */
i = strlen(&msg[2]);
n = osubsize(f);
while(i%n) msg[2+i] = ' ', i++;
st = osuwrite(f, &msg[2], i);
break;
case 'W': /* Write a file */
if (msg[1] == EOS) { printf("File: ") ; gets(&msg[2]);}
fd = osdopen(&msg[2], READ);
if (fd < 0) { printf("Bad File %s: %s\n", &msg[2], osmsg()); break;}
printf("Specify your prefered block size in Kb: "); gets(msg);
n = atoi(msg);
if (n <= 0) n = 1; n *= 1024;
while ((l = osdread(fd, buffer, n)) > 0)
st = osuwrite(f, buffer, l);
if (st <= 0) break;
case 'M': /* Write TMs */
st = osufclose(f);
break;
case '@': /* Select File Number */
f = atoi(&msg[1]);
printf("Selected file is %d\n", f);
continue;
case 'F': /* File Seek n */
switch(toupper(msg[1]))
{ default: op = FILE_START; break; /* From Start */
case 'E': op = FILE_END; break;
case 'C': op = FILE_CURRENT; break;
}
n = atol(&msg[2]); /* n */
st = osufseek(f, n, op);
break;
case 'S': /* Block Seek n */
switch(toupper(msg[1]))
{ default: op = FILE_START; break; /* From Start */
case 'E': op = FILE_END; break;
case 'C': op = FILE_CURRENT; break;
}
n = atol(&msg[2]); /* n */
st = -1; /*osubseek(f, n, op);*/
break;
case 'T': /* Tell */
st = -1; /* osufeet(f); */
ft = st; ft /= 1.e3; /* Tell Feet */
st = osuftell(f);
n = -1; /*osubtell(f); /* Tell Block */
printf("Now in File %d, Block %d - Tape length %8.3ft\n",
st, n, ft);
break;
case 'Z': /* T E S T performances reading / writing*/
l = atoi(&msg[2]); /* Number of KBytes to read */
if (l < 1) l = 1;
l *= 1024;
if (l > sizeof(buffer)) l = sizeof(buffer);
for (i=0; i<n; i++) buffer[i] = msg[i&1];
if (msg[1] == 'w' || msg[1] == 'W') {
printf("Number of Kbytes to write: ");
gets(msg); n = atoi(msg) * 1024;
if (n < l) n = l;
n /= l;
printf("Starting writing %d blocks of %d bytes each...\n",n, l);
sec = oshtime();
for (i=0; i<n; i++)
if ((st = osuwrite(f, buffer, l)) <= 0) break;
printf("%d bytes written in %ds\n", i*l, oshtime() - sec);
} else {
printf("Number of Kbytes to read: ");
gets(msg); n = atoi(msg) * 1024;
if (n < l) n = l;
n /= l;
printf("Starting reading %d blocks of %d bytes each...\n",n, l);
sec = oshtime();
for (i=0; i<n; i++)
if ((st = osuread(f, buffer, l)) <= 0) break;
printf("%d bytes read in %ds\n", i*l, oshtime() - sec);
}
break;
}
printf("Status is %d", st);
if (st < 0) printf(": %s",osmsg());
puts("");
}
}
help()
{
printf("Current file is %d\n", f);
puts("Possibilities are: ? Help");
puts(" @ f : select Unit f");
puts(" C[d] Close [with dismount] Current Unit");
puts(" FS|FE|FC n: File Seek Start|End|Current");
puts(" I Display info about Unit");
puts(" M Close File (Write TMs)");
puts(" OR|OW|OA|OM dev Open (Read Write Modify Append)");
puts(" P text: Put text");
puts(" R n: Read n bytes");
puts(" SS|SE|SC n: Block Seek Start|End|Current to n");
puts(" T : Tell position of Current file");
puts(" W file Write a complete file");
puts(" ZR|ZW n: Performance Read|Write by n Kbytes");
return(0);
}
int get_bytes(msg)
char *msg; /* IN: String containing number or numberK */
{
char *p;
int k;
for (k=0, p = msg; (k == 0) && *p; p++)
{ if (*p == 'k') k = 1;
if (*p == 'K') k = 1;
}
if (k) k = 1024, *p = ' ';
else k = 1;
k *= atoi(msg);
return(k);
}
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