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gno/bin/ls/ls.c

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/*
* ls
*
* version 2.0
*
* Rewritten for speed, memory usage, and reliability
*
* now checks TERM var and displays MouseText folder only if set to gnocon
* does not apply name quicksort if files are on an HFS volume
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include <fcntl.h>
#include <gsos.h>
#include <unistd.h>
#include <misctool.h>
#pragma stacksize 1024
#pragma optimize -1
/*#pragma optimize 8*/
#define CALCULATE -1
#define ONLYONE -2
unsigned fl_all,fl_reverse;
unsigned fl_gnocon;
unsigned fl_sortname,fl_sortcreate,fl_sortmod;
unsigned firstflag;
struct directory {
ResultBuf32Ptr dir_name;
struct directory *parent;
unsigned fake;
word num_entries;
longword num_bytes;
word no_sort;
unsigned width;
DirEntryRecPtrGS *entry_ptrs;
DirEntryRecPtrGS entries;
};
DirEntryRecGS dirinfo;
ResultBuf32 nameb;
lsexit(int x_code)
{
SYSTEMQUITFLAGS(0x4000);
SYSTEMQUITPATH(NULL);
exit(x_code);
}
/*#define lsexit(x) exit(x)*/
#define qsort(a,b,c,d) nqsort(a,b,c,d)
extern void SortList(void *a, int c, int b, void *d);
void nqsort(void *,unsigned, unsigned,int (*cmp)(void *,void *));
void printGS(GSString255Ptr g)
{
fwrite(g->text,g->length,1,stdout);
}
typedef struct listStruct *list;
const char month[12][4] =
{ "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec" };
typedef struct FileTypeConv {
word type;
char rep[10];
} FileTypeConv;
FileTypeConv FTTable[] = {
0x0f, "DIR ", /* directory */
0xB0, "src ", /* apw source file */
0xb1, "obj ", /* apw object file */
0x04, "txt ", /* ascii text file */
0xb3, "s16 ", /* gs/os program file */
0xb5, "exe ", /* gs/os shell program file */
0xb8, "nda ",
0xb9, "cda ",
0xba, "tol ",
0x00, "non ", /* typeless file */
0x01, "bad ", /* bad block file */
0x06, "bin ", /* general binary file */
0x08, "fot ", /* graphics screen file */
0x19, "adb ", /* appleworks data base file */
0x1a, "awp ", /* appleworks word processor file */
0x1b, "asp ", /* appleworks spreadsheet */
0xb2, "lib ", /* apw library file */
0xb4, "rtl ", /* apw runtime library */
0xef, "pas ", /* pascal partition */
0xf0, "cmd ",
0xfa, "int ", /* integer basic program */
0xfb, "var ", /* int basic var file */
0xfc, "bas ", /* applesloth basic file */
0xfd, "var ", /* applesloth variable file */
0xfe, "rel ", /* EDASM relocatable code */
0xff, "sys ", /* prodos 8 system program file */
-1, ""};
char conv[10];
char *getFileType(int type)
{
int i;
i = 0;
while (FTTable[i].type != -1)
{
if (FTTable[i].type == type)
{
return FTTable[i].rep;
}
else i++;
}
sprintf(conv,"$%2X ",type);
return conv;
}
word curYear;
void *sortRoutine;
int columns;
int openDirectory, fl_longOutput, inK;
int dirOnly, idType, fl_recursive, fl_nosort;
int more,less;
unsigned whichTime;
void printDirName(struct directory *d, unsigned level)
{
if (d == NULL) return;
else {
printDirName(d->parent,level+1);
if (d->dir_name != NULL) {
printGS((GSString255Ptr)&d->dir_name->bufString);
if (level) putchar('/');
}
}
if (!level) putchar(':');
}
void long_out(DirEntryRecGS *entry)
{
TimeRec *time;
if (whichTime) time = &entry->createDateTime;
else time = &entry->modDateTime;
printf("%c%c%c%c%c%c%c %04lX %4s %8ld",
(entry->fileType == 0x0f) ? 'd' :
((entry->flags & 0x8000) ? 'e' : '-'),
(entry->access & 0x01) ? 'r' : '-',
(entry->access & 0x02) ? 'w' : '-',
((entry->fileType == 0xff) || (entry->fileType == 0xb5) ||
(entry->fileType == 0xb3) ||
((entry->fileType == 0xb0) && (entry->auxType == 6l)))
? 'x' : '-',
(entry->access & 0x20) ? 'b' : '-',
(entry->access & 0x40) ? 'r' : '-',
(entry->access & 0x80) ? 'd' : '-',
entry->auxType,
getFileType(entry->fileType),
entry->eof+entry->resourceEOF);
if (time->year+1900 == curYear)
printf(" %3s %2d %02d:%02d ",
month[time->month],time->day+1,time->hour,time->minute);
else printf(" %3s %2d %4d ",month[time->month],time->day+1,
time->year+1900);
/*puts(entry->name->bufString.text);*/
}
/* fake a directory read for command-line arguments */
struct directory *fakeDirect(int argc, char **argv,struct directory *par)
{
struct directory *new;
unsigned i,file_count = 0,maxWidth = 0;
unsigned err;
DirEntryRecPtrGS newents,nptr;
FileInfoRecGS fi;
ResultBuf255Ptr newn;
extern GSString255Ptr __C2GSMALLOC(char *);
new = malloc(sizeof(struct directory));
new->num_entries = argc;
new->num_bytes = 0l;
new->parent = par;
new->dir_name = NULL;
new->no_sort = 0;
new->fake = 1;
if ((argc * sizeof(DirEntryRecGS)) > 60000)
printf("exceeded ORCA pointer math bug range\n");
newents = new->entries = malloc(argc * sizeof(DirEntryRecGS));
new->entry_ptrs = malloc(argc * sizeof(DirEntryRecGS *));
fi.pCount = 12;
fi.optionList = 0l;
nptr = newents;
for (i = 0; i < argc; i++) {
new->entry_ptrs[file_count] = nptr;
nptr->pCount = 17;
nptr->optionList = NULL;
fi.pathname = __C2GSMALLOC(argv[i]);
GetFileInfoGS(&fi);
if (err=_toolErr) {
fprintf(stderr,"ls: %s: %s\n",strerror(_mapErr(err)),argv[i]);
lsexit(1);
}
nptr->name = malloc(fi.pathname->length+5);
nptr->name->bufSize = fi.pathname->length+5;
memcpy(&nptr->name->bufString,fi.pathname, fi.pathname->length+2);
nptr->name->bufString.text[fi.pathname->length] = 0;
free(fi.pathname);
if (fi.storageType == 0x05) /* extended file? */
nptr->flags = 0x8000;
else nptr->flags = 0;
nptr->fileType = fi.fileType;
/* this is used by the qsort routine to maintain
command-line ordering for directories */
if (fi.fileType == 0x0F) nptr->entryNum = i;
nptr->auxType = fi.auxType;
nptr->eof = fi.eof;
nptr->blockCount = fi.blocksUsed;
nptr->createDateTime = fi.createDateTime;
nptr->modDateTime = fi.modDateTime;
nptr->access = fi.access;
nptr->resourceEOF = fi.resourceEOF;
nptr->resourceBlocks = fi.resourceBlocks;
file_count++;
new->num_bytes += (nptr->eof + nptr->resourceEOF);
if (nptr->name->bufString.length > maxWidth)
maxWidth = nptr->name->bufString.length;
/* NOTHING AFTER THIS LINE, PLEASE */
nptr = (DirEntryRecPtrGS) ((unsigned long) nptr + sizeof(DirEntryRecGS));
}
new->width = maxWidth;
new->num_entries = file_count;
return new;
}
struct directory *readDirect(int fd,struct directory *par, ResultBuf32Ptr n)
{
struct directory *new;
unsigned i,file_count = 0,maxWidth = 0;
DirEntryRecPtrGS newents,nptr;
ResultBuf255Ptr newn;
nameb.bufSize = 36;
dirinfo.pCount = 14;
dirinfo.refNum = fd;
dirinfo.base = dirinfo.displacement = 0;
dirinfo.name = (ResultBuf255Ptr) &nameb;
GetDirEntry(&dirinfo);
new = malloc(sizeof(struct directory));
new->num_entries = dirinfo.entryNum;
new->num_bytes = 0l;
new->parent = par;
new->dir_name = n;
new->fake = 0;
if (dirinfo.fileSysID == hfsFSID) new->no_sort = 1;
else new->no_sort = 0;
if ((dirinfo.entryNum * sizeof(DirEntryRecGS)) > 60000)
printf("exceeded ORCA pointer math bug range\n");
newents = new->entries = malloc(dirinfo.entryNum * sizeof(DirEntryRecGS));
new->entry_ptrs = malloc(dirinfo.entryNum * sizeof(DirEntryRecGS *));
nptr = newents;
for (i = 0; i < new->num_entries; i++) {
new->entry_ptrs[file_count] = nptr;
nptr->pCount = 17;
nptr->refNum = fd;
nptr->base = nptr->displacement = 1;
nptr->name = (ResultBuf255Ptr) &nameb;
nptr->optionList = NULL;
GetDirEntry(nptr);
if ((fl_all) || (!(nptr->access & fileInvisible))) {
file_count++;
newn = malloc(37);
nameb.bufString.text[nameb.bufString.length] = 0;
memcpy(newn,&nameb,36);
nptr->name = newn;
new->num_bytes += (nptr->eof + nptr->resourceEOF);
if (nptr->name->bufString.length > maxWidth)
maxWidth = nptr->name->bufString.length;
/* NOTHING AFTER THIS LINE, PLEASE */
nptr = (DirEntryRecPtrGS) ((unsigned long) nptr + sizeof(DirEntryRecGS));
}
}
new->width = maxWidth;
new->num_entries = file_count;
return new;
}
int sortByType(DirEntryRecGS **a,DirEntryRecGS **b)
{
unsigned ea,eb;
if ((*a)->fileType == 0x0F) {
if ((*b)->fileType == 0x0F) {
/* if both are dirs, maintain command-line ordering */
ea = (*a)->entryNum;
eb = (*b)->entryNum;
if (ea > eb) return 1;
else if (ea == eb) return 0;
else return -1;
}
else return 1;
} else {
if ((*b)->fileType == 0x0F) return -1;
}
}
int sortByName(DirEntryRecGS **a,DirEntryRecGS **b)
{
return strcmp((*a)->name->bufString.text,(*b)->name->bufString.text) * more;
}
int sortByCreate(DirEntryRecGS **a,DirEntryRecGS **b)
{
TimeRec *time1, *time2;
time1 = &((*a)->createDateTime);
time2 = &((*b)->createDateTime);
if (time1->year > time2->year) return less;
if (time1->year < time2->year) return more;
if (time1->month > time2->month) return less;
if (time1->month < time2->month) return more;
if (time1->day > time2->day) return less;
if (time1->day < time2->day) return more;
if (time1->hour > time2->hour) return less;
if (time1->hour < time2->hour) return more;
if (time1->minute > time2->minute) return less;
if (time1->minute < time2->minute) return more;
if (time1->second > time2->second) return less;
if (time1->second < time2->second) return more;
return 0;
}
int sortByMod(DirEntryRecGS **a,DirEntryRecGS **b)
{
TimeRec *time1, *time2;
time1 = &((*a)->modDateTime);
time2 = &((*b)->modDateTime);
if (time1->year > time2->year) return less;
if (time1->year < time2->year) return more;
if (time1->month > time2->month) return less;
if (time1->month < time2->month) return more;
if (time1->day > time2->day) return less;
if (time1->day < time2->day) return more;
if (time1->hour > time2->hour) return less;
if (time1->hour < time2->hour) return more;
if (time1->minute > time2->minute) return less;
if (time1->minute < time2->minute) return more;
if (time1->second > time2->second) return less;
if (time1->second < time2->second) return more;
return 0;
}
void listDir(struct directory *d)
{
unsigned i;
unsigned dirflag;
struct directory *dd;
int fd;
int Col,Row,Height;
int j, afile = FALSE, numColumns = 1;
unsigned rWidth,width;
unsigned fakeind;
unsigned num_entries;
char *cwd;
DirEntryRecGS *entry;
num_entries = d->num_entries;
if ((fl_longOutput) && (!d->fake))
printf("total %ldk\n",(d->num_bytes / 1024l));
if (!num_entries) return;
if (d->fake && openDirectory) {
/* sort by type first */
qsort(d->entry_ptrs, num_entries, sizeof(DirEntryRecGS *), sortByType);
num_entries = 0;
while ((num_entries < d->num_entries) &&
(d->entry_ptrs[num_entries]->fileType != 0x0F))
num_entries++;
/* finally, sort the non-directory files the way they wanted */
if (num_entries)
qsort(d->entry_ptrs, num_entries, sizeof(DirEntryRecGS *), sortRoutine);
} else
if ((!fl_nosort) && (!(d->no_sort && fl_sortname)))
qsort(d->entry_ptrs, num_entries, sizeof(DirEntryRecGS *),sortRoutine);
if (!fl_longOutput && columns == CALCULATE) {
rWidth = d->width;
width = rWidth;
if (inK) width+=5;
if (idType) width++;
if (width < 15) {
rWidth = 15 - (width - rWidth);
width = 15;
} /* for jawaid :-) */
numColumns = 80 / (++width);
}
Height = (num_entries / numColumns);
if (num_entries % numColumns) Height++;
for (Row=0; Row < Height; Row ++) {
for (Col = 0; Col < numColumns; Col ++) {
i = Col * Height + Row;
if (i >= num_entries) continue;
entry = d->entry_ptrs[i];
if (entry->fileType == 0x0F) dirflag = TRUE;
/*if (mult && entry->fileType == 0x0f) continue;*/
afile = TRUE;
if (inK) printf("%4ld ",(entry->eof+entry->resourceEOF+1023)/1024);
/* time = 0 means do mod date, = 1 means do create date */
/*time = (sortRoutine == CompareCreate) ? 1 : 0;*/
if (fl_longOutput) long_out(d->entry_ptrs[i]);
printGS(&entry->name->bufString);
if (idType) {
if (entry->fileType == 0x0f) putchar('/');
else if ((entry->fileType == 0xff) || (entry->fileType == 0xb5) ||
(entry->fileType == 0xb3) ||
((entry->fileType == 0xb0) && (entry->auxType == 6l)))
putchar('*');
else putchar(' ');
}
if (Col+1 < numColumns) {
for (j=0;j<(rWidth-(int)(entry->name->bufString.length));j++)
putchar(' ');
putchar(' ');
}
}
putchar('\n');
}
if ((dirflag && fl_recursive) || (d->fake && openDirectory)) {
unsigned start_ent = (d->fake ? num_entries : 0);
/* if there were regular files in a command-line list,
put a blank line in there but don't count as first */
if (d->fake && (num_entries != 0)) {
putchar('\n');
}
for (i = start_ent; i < d->num_entries; i++) {
if (d->entry_ptrs[i]->fileType == 0x0F) {
ResultBuf32Ptr p;
p = (ResultBuf32Ptr) d->entry_ptrs[i]->name;
/* let the danged kernel do some of the work! */
if (fl_recursive) {
cwd = malloc(1024l);
getwd(cwd);
chdir(p->bufString.text);
fd = open(".",O_RDONLY);
}
else fd = open(p->bufString.text,O_RDONLY);
if (fd <= 0) {
perror("could not open");
exit(1);
}
dd = readDirect(fd,d,p);
close(fd);
/* print the directory name for recursive listings */
if (!firstflag) firstflag = 1;
else putchar('\n');
printDirName(dd,0);
putchar('\n');
listDir(dd);
if (fl_recursive) {
chdir(cwd);
free(cwd);
}
/* DISPOSE of 'dd' at this point */
}
}
}
}
int main(int argc, char **argv)
{
int fd;
struct directory *dd;
TimeRec curtime;
int ch;
extern int getopt_restart(void);
getopt_restart();
curtime = ReadTimeHex();
curYear = curtime.year + 1900;
if (isatty(STDOUT_FILENO) && (!strncmp(ttyname(STDOUT_FILENO),".ttyco",6)))
strcpy(FTTable[0].rep,"\x1B\xFXY\xE\x18 ");
else strcpy(FTTable[0].rep,"DIR "); /* we restart, remember? */
/* initialize our restartable global variables */
fl_nosort = 0; fl_reverse = 0;
more = 1; less = -1;
sortRoutine = sortByName;
columns = CALCULATE;
openDirectory = TRUE;
fl_all = FALSE;
fl_longOutput = FALSE;
inK = FALSE;
dirOnly = FALSE;
idType = FALSE;
fl_recursive = FALSE;
whichTime = 0;
firstflag = 0;
while ((ch = getopt(argc, argv, "acdflnqrst1CFR")) != EOF) {
switch(ch) {
case 'n' :
fl_nosort = TRUE;
break;
case 'r' :
more = -1; less = 1;
break;
case 't' :
sortRoutine = sortByMod;
whichTime = 0;
break;
case 'c' :
sortRoutine = sortByCreate;
whichTime = 1;
break;
case '1' :
columns = ONLYONE;
break;
case 'C' :
columns = CALCULATE;
break;
case 'a' :
fl_all = TRUE;;
break;
case 'l' :
fl_longOutput = TRUE;
break;
case 's' :
inK = TRUE;
break;
case 'f' :
dirOnly = TRUE;
fl_longOutput = FALSE;
inK = FALSE;
fl_all = TRUE;
break;
case 'q' :
break;
case 'F' :
idType = TRUE;
break;
case 'R' :
fl_recursive = TRUE;
break;
case 'd' :
openDirectory = FALSE;
fl_recursive = FALSE;
break;
default:
(void)fprintf(stderr,
"usage: ls [-acdfilnqrstu1ACLFR] [name ...]\n");
lsexit(1);
}
}
argv += optind;
argc -= optind;
if (!argc) {
fd = open(".",O_RDONLY);
if (fd <= 0) {
perror("ls:");
exit(1);
}
dd = readDirect(fd,NULL,NULL);
close(fd);
listDir(dd);
} else { /* files as arguments */
/* add the args to a special list one by one with GetFileInfo */
dd = fakeDirect(argc, argv, NULL);
if (dd->num_entries) listDir(dd);
}
lsexit(0);
}
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