page@swan.ulowell.edu (Bob Page) (12/31/88)
Submitted-by: d87sg@efd.lth.se (Svante Gellerstam)
Posting-number: Volume 2, Issue 112
Archive-name: dos/fs/fnams22.1
Since I'm the original author of fnams I thought that I should save
the world with this update. This is v2.2 and it is a much safer
program than v1.0.
[uuencoded binary included. ..Bob]
# This is a shell archive.
# Remove everything above and including the cut line.
# Then run the rest of the file through sh.
#----cut here-----cut here-----cut here-----cut here----#
#!/bin/sh
# shar: Shell Archiver
# Run the following text with /bin/sh to create:
# readme
# fnams.man
# history
# zooall
# makefile
# fnams.c
# fnams.uu
# This archive created: Fri Dec 30 16:21:44 1988
cat << \SHAR_EOF > readme
Fnams is a simple filter for producing cmd-files for the 'I' option
of the Zoo archiver. This makes the zooing of entire directory trees
very easy. This is version 2.2 and will compile under Lattice 4.0 &
(hopefully) Aztec.
Under both compilers:
- Dynamically allocated structures allowing for directory
trees of almost indefinite depth.
Under Lattice 4.0:
- Exits cleanly when user hits Ctrl-C.
This archive should contain:
fnams - executable.
fnams.c - C-source for the Lattice 4.0 C-compiler.
fnams.man - Documentation pages for fnams.
history - Revision history.
readme - This file.
zooall - Simple script for zooing the tree beginning @
current directory.
/svante
SHAR_EOF
cat << \SHAR_EOF > fnams.man
NAME
FNAMS - a filter program for the ZOO archiver. Amiga
version.
SYNOPSIS
FNAMS <directory>
FNAMS <unit>
FNAMS ""
DESCRIPTION
FNAMS will produce a listing on stdout of all files under
the given directory/unit with their full pathnames. Thus
FNAMS is a complement to the ZOO archiver. The first
objective is to provide a easy way to archive entire
directory structures.
The intended use is as follows:
First produce a listing of the desired directory using
FNAMS:
FNAMS > <tempfile> <dirpath>
Then use <tempfile> together with the ZOO option I:
ZOO < <tempfile> aI <archivename>
ZOO will then put into <archivename> all files described in
<tempfile>.
FILES
<tempfile>
SEE ALSO
ZOO documentation.
BUGS
None known... (Big lie this was - see the revision history
:-)
DIAGNOSTICS
Fnams will produce error messages when it can't Examine()
directories etc. All error messages starts with '!!!'.
Unfortunately the error output goes through the same
channel as the ordinary output. This might cause problem -
check for it if you run into trouble.
When FNAMS is run with no parameter given, it will produce
the usual 'Usage:...' message.
THANKS TO
Lattice for including those hints on how to squeeze
filesize to a minimum.
Mark Rinfret for cleaning up my code and bringing up fnams
from 1.0 to 2.0.
Rahul Dhesi for writing ZOO in the first place.
AUTHOR
Svante Gellerstam
Please send hints, flames, bugs and/or suggestions to me
at:
USENET - d87sg@efd.lu.se
SHAR_EOF
cat << \SHAR_EOF > history
<WayBack> - Svante Gellerstam v1.0
Idea & code - first revision. No error checking.
Stupid restictions on parameters. But it works.
summer 88 - Mark Rinfret v2.0 (internal)
Grand revision. Prototypes etc for Lattice 4.0.
Fnams now accepts input in a more intuitive way.
Massive error checking.
880608 - Svante Gellerstam v2.1 (local distibution)
Small revision. Added linked lists of FIB's (see
code). This allows for (almost) indefinite depth of
the directory tree.
881230 - Svante Gellerstam v2.2 (release)
Small revision. Fixed some small bugs. A few small
enhancements under Lattice. Better prototyping.
Compiles with 16-bit int's. Fnams will now die
cleanly when user hits Ctrl-C.
SHAR_EOF
cat << \SHAR_EOF > zooall
.key archive
.bra (
.ket )
;
; This script will zoo all files in current dir and below to (archive).
;
fnams >t:fnams.tmp ""
sort t:fnams.tmp t:fnams.tmp case
zoo <t:fnams.tmp aI (archive)
rm t:fnams.tmp
SHAR_EOF
cat << \SHAR_EOF > makefile
#
# Makefile for Fnams v2.2 & Lattice 4.01.
#
# Aztec users should define the 'AZTEC_C' symbol.
#
SHARS = readme fnams.man history zooall makefile fnams.c fnams.uu
OBJS = fnams.o
CFLAGS = -cef -v -w
fnams.sh : $(SHARS)
shar >fnams.sh $(SHARS)
fnams : $(OBJS)
blink lib:c.o $(OBJS) TO fnams LIB lib:amiga.lib lib:lcs.lib SC SD ND
fnams.uu : fnams
uuencode >fnams.uu fnams fnams
clean:
-rm fnams
-rm fnams.o
-rm fnams.uu
-rm fnams.sh
SHAR_EOF
cat << \SHAR_EOF > fnams.c
/* fnams.c */
/* :ts=4 */
/* includes */
#include <libraries/dos.h>
#include <exec/memory.h>
#include <stdio.h>
#ifdef AZTEC_C
#include <functions.h>
#else /* For Lattice */
#include <string.h>
#include <proto/exec.h>
#include <proto/dos.h>
#endif
/* structure declarations */
/*
This is our fib structure. It's compatible with the ordinary FIB plus
it has linkage fields too. We do this to avoid any hairy depth
problems with HD:s or other large disc devices with deeply nested
directory trees.
*/
struct ext_fib
{
struct FileInfoBlock fib;
struct ext_fib *prev_fib, *next_fib;
BPTR flock;
};
/* prototypes or casts */
#ifdef AZTEC_C
void myputs();
#else
void exit(ULONG);
void myputs(char *);
int brk(void);
int onbreak(int (*)());
void chkabort(void);
#endif
/* external declarations */
extern int errno;
/* global structures */
char dirstr[108];
int kris;
/*
For all you non swedish people out there: the
word 'kris' translates to 'crisis' and is
used as a flag telling whether we're in
running shape or not. It is set to nonzero
value to indicate an error. Thus the 'while
(!kris)' below.
*/
void
main(argc,argv)
int argc;
char *argv[];
{
struct ext_fib *currfib, *tempfib;
char errString[81];
char *killptr,temp;
*errString = '\0';
kris = 0;
if(argc < 2)
{
myputs("Fnams 2.2 - 8801230. Author: Svante Gellerstam (d87sg@efd.lth.se).\n\n");
myputs("Fnams - display this message.\n");
myputs("Fnams \"\" - list current directory.\n");
myputs("Fnams <volume> - list the contents of <volume>.\n");
myputs("Fnams <dir> - list the contents of <dir>.\n");
exit(20L);
}
#ifndef AZTEC_C
if(onbreak(&brk))
{
myputs("!!! Cannot set break trap!\n");
exit(100L);
}
#endif
if (!(currfib = (struct ext_fib *)
AllocMem((ULONG) sizeof(struct ext_fib), MEMF_PUBLIC|MEMF_CLEAR)))
{
strcpy(errString, "!!! No memory for root FileInfoBlock!");
kris = 1;
}
strcpy(dirstr,argv[1]);
if(!kris && ((currfib->flock = (BPTR) Lock(dirstr, ACCESS_READ)) == 0L))
{
sprintf(errString,"!!! Unable to lock %s, error %ld\n",
dirstr,IoErr());
kris = 1;
}
if (!kris && (Examine(currfib->flock, &currfib->fib) == 0))
{
sprintf(errString,"!!! Initial Examine call failed: %ld\n",IoErr());
kris = 1;
}
if(!kris)
{
if (currfib->fib.fib_EntryType < 0L)
{
myputs("!!! Pathname argument must be volume or directory!\n");
kris = 1;
}
else
{
/* This program requires that the initial directory specification
* be terminated with a colon or slash. We already know that this
* is either a directory or a device. If the pathname isn't
* terminated with a colon, it must be a directory. If it's not
* already terminated with a slash, just add one. Oh - one other
* thing. If dirstr is null (user specified "" = current dir),
* leave it alone.
*/
if (*dirstr && (temp = dirstr[strlen(dirstr)-1]) != ':' &&
temp != '/')
strcat(dirstr, "/");
}
}
if(!kris && (ExNext(currfib->flock, &currfib->fib)== 0L))
{
sprintf(errString,"!!! Initial ExNext failed: %ld\n",IoErr());
kris = 1;
}
while (!kris)
{ /* Who's kris? :-) */
/* Is this entry a directory? */
if(currfib->fib.fib_EntryType > 0L)
{
strcat(dirstr, currfib->fib.fib_FileName);
strcat(dirstr,"/");
if(currfib->next_fib == NULL) /* Have to allocate a new fib */
{
if (!(currfib->next_fib = (struct ext_fib *)
AllocMem((ULONG) sizeof(struct ext_fib),MEMF_PUBLIC|MEMF_CLEAR)))
{
sprintf(errString, "!!! No memory for file info!\n");
kris = 1;
}
currfib->next_fib->prev_fib = currfib;
}
if(!kris) /* Step down into the new fib */
currfib = currfib->next_fib;
if (currfib->flock)
UnLock(currfib->flock);
if((currfib->flock = (BPTR) Lock(dirstr,ACCESS_READ)) == NULL)
{
sprintf(errString, "!!! Unable to lock %s, error %ld\n",
dirstr, IoErr());
kris = 1; /* This is fatal. */
}
else
{
if (!kris && !Examine(currfib->flock, &currfib->fib))
{
sprintf(errString, "!!! Examine error on %s - %ld\n",
dirstr, IoErr());
kris = 1;
}
}
}
else /* No directory - process filename */
{
myputs(dirstr);
myputs(currfib->fib.fib_FileName);
myputs("\n");
}
while((ExNext(currfib->flock, &currfib->fib) == 0L) && !kris )
{
UnLock(currfib->flock);
currfib->flock = 0L;
if( currfib->prev_fib == NULL ) /* We're at root level. */
{
kris = 1; /* Always true since this is the last entry! */
break;
}
else /* We're at some lower than root level */
currfib = currfib->prev_fib;
killptr = dirstr + strlen(dirstr) - 2;
while((*killptr != '/') && (*killptr != ':') && (killptr > dirstr))
killptr--;
if((dirstr[0] != '/') && (dirstr[0] != ':') && (killptr == dirstr))
dirstr[0] = '\0';
else
*(killptr+1)= '\0';
}
#ifndef AZTEC_C
chkabort(); /* Peek at the Ctrl-C for Lattice */
#endif
}
/* Free up resources before leaving. */
while(currfib->next_fib != NULL) /* Move to last fib in chain */
currfib = currfib->next_fib;
while(currfib != NULL) /* Free up allocated fib:s */
{
if(currfib->flock) /* UnLock locks when user did Ctrl-C */
UnLock(currfib->flock);
tempfib = currfib->prev_fib;
FreeMem((char *)currfib, (ULONG)sizeof(struct ext_fib));
currfib = tempfib;
}
if (*errString)
{ /* There was an error. */
myputs(errString); /* Tell the user about it. */
}
}
void
myputs(string)
char *string;
{
if (*string)
Write(Output(), string, (long)strlen(string));
}
#ifndef AZTEC_C
/*
* Ctrl-C handling for Lattice
*/
int
brk()
{
myputs("***BREAK\n");
kris = 1;
return(0);
}
#endif
SHAR_EOF
cat << \SHAR_EOF > fnams.uu
begin 644 fnams
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end
size 5532
SHAR_EOF
# End of shell archive
exit 0
--
Bob Page, U of Lowell CS Dept. page@swan.ulowell.edu ulowell!page
Have five nice days.