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gno/usr.orca.bin/udl/udlgs.c

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/*
* udl - Convert EOL formats freely between MS-DOS (CR/LF), Unix/Amiga (LF),
* and Apple (CR).
*
* Apple IIgs specific routines.
*
* $Id: udlgs.c,v 1.13 1999/01/15 07:36:15 gdr-ftp Exp $
*
* Copyright (c) 1993-1995 Soenke Behrens, Devin Reade
*/
#include <orca.h>
#include <shell.h>
#include <gsos.h>
#include <stdlib.h>
#ifdef __GNO__
#include <unistd.h>
#include <gno/gno.h>
#else
#include <getopt.h>
#endif
/* We having a naming inconsistency in <shell.h> */
#define Next_WildcardGSPB NextWildcardGSPB
#include "common.h"
#define QUITFLAG 0x4000 /* udl is restartable */
#define DIRECTORY 0x0F
/*
* Globals
*/
int theType, theAuxType; /* Hold type of current file */
Next_WildcardGSPB NextWild; /* for handling ORCA/Shell style wildcards */
Init_WildcardGSPB InitWild;
extern pascal void SystemQuitFlags (unsigned);
extern pascal void SystemQuitPath (GSString255Ptr);
/*
* Prototypes of functions in this file
*/
extern int CheckGSOSType (char *name);
extern void SetGSOSType (char *name, int type, int auxtype);
extern int right_shell_version (void);
#ifdef __STACK_CHECK__
static void
printStack (void) {
fprintf(stderr, "stack usage: %d bytes\n", _endStackCheck());
}
#endif
int main(int argc, char **argv) {
FILE *infile, *outfile;
int Tunix = FALSE;
int Messy = FALSE;
int GS = FALSE;
int careful = FALSE;
int converted;
int c;
static GSString255 gsp;
static ResultBuf255 rsp;
int R_flag = FALSE;
char **p;
verbose = FALSE;
recursionDepth = 0;
program_name = NULL;
tempfile = NULL;
current_file = NULL;
NextWild.pathName = NULL;
in_buffer = out_buffer = NULL;
pathSlotsUsed = 0;
pathSlots = 0;
pathList = NULL;
*currentDirectory = '\0';
recursionDepth=0;
#ifdef __STACK_CHECK__
_beginStackCheck();
atexit(printStack);
#endif
/* In case of exit(), free the mem I allocated */
atexit (cleanup);
/* Make udl restartable */
SystemQuitFlags (QUITFLAG);
SystemQuitPath (NULL);
if (right_shell_version() == FALSE) {
fprintf(stderr,"%s requires at least ORCA/Shell 2.0"
" or GNO/ME 1.0\n", argv[0]);
exit (EXIT_FAILURE);
}
if ((program_name = strdup (argv[0])) == NULL) {
fprintf(stderr,"%s: memory allocation failure\n",argv[0]);
exit (EXIT_FAILURE);
}
if (argc < 2) {
usage();
exit (EXIT_FAILURE);
}
/* Get and process arguments */
optind = 1; /* set these to ensure that the program is restartable */
opterr = 1;
while ((c = getopt (argc, argv, "pvugmRVh")) != EOF) {
switch (c) {
case 'v':
verbose = TRUE;
break;
case 'p':
careful = TRUE;
break;
case 'u':
if (Tunix == TRUE || Messy == TRUE || GS == TRUE) {
fprintf(stderr, "%s: You may not "
"specify more than one conversion option\n",program_name);
exit (EXIT_FAILURE);
}
Tunix = TRUE;
break;
case 'm':
if (Tunix == TRUE || Messy == TRUE || GS == TRUE) {
fprintf(stderr, "%s: You may not "
"specify more than one conversion option\n",program_name);
exit (EXIT_FAILURE);
}
Messy = TRUE;
break;
case 'g':
if (Tunix == TRUE || Messy == TRUE || GS == TRUE) {
fprintf(stderr, "%s: You may not "
"specify more than one conversion option\n",program_name);
exit (EXIT_FAILURE);
}
GS = TRUE;
break;
case 'R':
R_flag++;
break;
case 'V':
printf ("%s %s\n",program_name,UDL_VERSION);
exit (EXIT_FAILURE);
case '?':
case 'h':
usage();
exit (EXIT_FAILURE);
default:
fprintf (stderr, "%s: Internal getopt error\n", program_name);
exit (EXIT_FAILURE);
break;
}
}
if (optind == argc) { /* no files specified */
usage();
exit (EXIT_FAILURE);
}
if (Tunix == FALSE && GS == FALSE && Messy == FALSE) {
fprintf(stderr,"%s: You have to specify a destination "
"format.\n",program_name);
exit (EXIT_FAILURE);
}
if (verbose == TRUE) {
printf ("%s version %s\n",program_name,UDL_VERSION);
}
if ((in_buffer = malloc(BUFFERSIZE+1)) == NULL ||
(out_buffer = malloc(BUFFERSIZE+1)) == NULL) {
fprintf(stderr,"%s: Unable to buffer files\n",program_name);
exit (EXIT_FAILURE);
}
/* Orca Shell: expand wildcards */
if (!needsgno()) {
NextWild.pCount = 1;
InitWild.pCount = 2;
rsp.bufSize = 259;
NextWild.pathName = &rsp;
InitWild.wFile = &gsp;
if (R_flag) {
InitWild.flags = 0x2000 | 0x1000;
} else {
InitWild.flags = 0;
}
dirbrk = ':'; /* enforced by NextWildcardGS */
/* loop through all command line args */
for (; optind < argc; optind++) {
size_t i;
int num_of_files;
i = strlen(argv[optind]);
strncpy (gsp.text,argv[optind],i);
gsp.length = i;
InitWildcardGS (&InitWild);
num_of_files = 0;
/* loop through all matches of wildcards */
for (;;) {
NextWildcardGS (&NextWild);
if (toolerror()) {
fprintf(stderr,"%s: Fatal internal error, "
"exiting\n", program_name);
exit (EXIT_FAILURE);
}
/* No further file found by NextWildcardGS */
if(!rsp.bufString.length)
break;
num_of_files++;
if((current_file = calloc(1,rsp.bufString.length + 1)) == NULL) {
fprintf(stderr,"%s: memory allocation failure\n",program_name);
exit (EXIT_FAILURE);
}
strncpy(current_file, rsp.bufString.text,rsp.bufString.length);
add_to_pathList("",current_file);
free(current_file);
current_file = NULL;
} /* for (;;) */
if (num_of_files == 0)
fprintf(stderr,"%s: No files found that match %s\n",
program_name,argv[optind]);
} /* for (; optind < argc; optind++) */
}
/* gsh or other Gno shell */
else {
/* save the directory we're in */
if (getcwd(rootdir, MAXPATHLEN)==NULL) {
fprintf(stderr,"%s: Couldn't stat .\n",program_name);
exit (EXIT_FAILURE);
}
for (; optind<argc; optind++) {
/* set the directory separator character. */
dirbrk = (strchr(argv[optind],':')!=NULL) ? ':' : '/';
build_file_list(argv[optind],R_flag);
chdir(rootdir);
*currentDirectory = '\0';
}
}
/* files were all directories and no -R flag given */
if (!pathList) {
if (verbose) printf("%s: no files to process\n",program_name);
exit(EXIT_SUCCESS);
}
p = pathList;
while(*p) {
current_file = *p;
if (CheckGSOSType (current_file) == FALSE) {
p++;
continue;
}
if (verbose == TRUE) {
printf("%s: Working on %s\n",program_name,current_file);
}
infile = tryopen(current_file,"r+b");
tempfile = Mktemp(strcat(get_path(current_file), "udltmpXX"));
outfile = tryopen(tempfile,"wb");
if (careful) {
converted = TRUE; /* always */
if (GS)
convert_gs(infile,outfile);
else if (Tunix)
convert_tunix(infile,outfile);
else
convert_messy(infile,outfile);
} else {
if (GS)
converted = convert_fast_gs(infile,outfile);
else if (Tunix)
converted = convert_fast_tunix(infile,outfile);
else
converted = convert_fast_messy(infile,outfile);
}
if (fclose (infile) == EOF || fclose (outfile) == EOF) {
perror ("closing files");
exit (EXIT_FAILURE);
}
if (converted) { /* Temp file contains converted data */
if (remove (current_file) != 0) {
perror ("removing original file");
exit (EXIT_FAILURE);
}
if (rename (tempfile,current_file) != 0) {
perror ("cannot rename temporary file");
exit (EXIT_FAILURE);
}
} else
remove (tempfile);
free (tempfile); tempfile = NULL;
SetGSOSType (current_file, theType, theAuxType);
p++;
} /* end while */
return (EXIT_SUCCESS);
}
/*
* CheckGSOSType() ... check if a file is of type TXT or SRC
*
* Inputs:
* char *name Name of file to check
*
* Outputs:
* int Boolean, TRUE if file type is TXT or SRC, FALSE otherwise
*/
int CheckGSOSType(char *name) {
#define TXT 0x04
#define SRC 0xB0
static GSString255 gst;
static FileInfoRecGS fir = {5};
size_t i;
i = strlen (name);
gst.length = i;
strncpy(gst.text,name,i);
fir.pathname = &gst;
GetFileInfoGS(&fir);
if (toolerror()) {
fprintf (stderr,"%s: GS/OS error on %s: 0x%04X\n",
program_name,name,toolerror());
exit (EXIT_FAILURE);
}
if ((fir.fileType != TXT) && (fir.fileType != SRC)) {
if (verbose && (fir.fileType != DIRECTORY))
fprintf(stderr,"%s: %s is not of type TXT or "
"SRC ... skipping\n",program_name,current_file);
return (FALSE);
} else {
theType = fir.fileType;
theAuxType = fir.auxType;
return (TRUE);
}
}
/*
* SetGSOSType() ... set file and auxtype of a file.
*
* Inputs:
* char *name Name of file to be affected
* int type File type it should be set to
* int auxtype Auxiliary type it should be set to
*
* Outputs:
* None
*/
void SetGSOSType (char *name, int type, int auxtype) {
static GSString255 gst;
static FileInfoRecGS fir = {4, NULL, 0xE3};
size_t i;
i = strlen (name);
gst.length = i;
strncpy(gst.text,name,i);
fir.pathname = &gst;
fir.fileType = type;
fir.auxType = auxtype;
SetFileInfoGS(&fir);
if (toolerror()) {
fprintf (stderr,"%s: GS/OS error on %s: 0x%04X\n",
program_name,name,toolerror());
exit (EXIT_FAILURE);
}
}
/*
* right_shell_version() ... check if at least ORCA/Shell 2.0 or
* GNO/ME 1.0 is active.
*
* Inputs:
* None
*
* Output:
* int Boolean, TRUE if shell is satisfactory, FALSE otherwise
*/
int right_shell_version (void) {
static VersionPB vpb;
VERSION(&vpb);
if (vpb.version[0] < '2' || strcmp (shellid(),"BYTEWRKS") != 0)
return FALSE;
else
return TRUE;
}
/* End Of File */
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