freebsd-dev/gnu/usr.bin/mkisofs/vms.c
1995-05-30 05:05:38 +00:00

270 lines
5.8 KiB
C

/*
* File vms.c - assorted bletcherous hacks for VMS.
Written by Eric Youngdale (1993).
*/
#ifdef VMS
#include <rms.h>
#include <descrip.h>
#include <ssdef.h>
#include <sys/types.h>
#include <sys/stat.h>
#define opendir fake_opendir
#include "mkisofs.h"
#undef opendir
#include <stdio.h>
static struct RAB *rab; /* used for external mailfiles */
static int rms_status;
static error_exit(char * text){
fprintf(stderr,"%s\n", text);
exit(33);
}
char * strrchr(const char *, char);
char * strdup(char * source){
char * pnt;
pnt = (char *) e_malloc(strlen(source) + 1);
strcpy(pnt, source);
return pnt;
}
int VMS_stat(char * path, struct stat * spnt){
char * spath;
char sbuffer[255];
char * pnt, *ppnt;
char * pnt1;
ppnt = strrchr(path,']');
if(ppnt) ppnt++;
else ppnt = path;
spath = path;
if(strcmp(ppnt,".") == 0 || strcmp(ppnt,"..") == 0){
strcpy(sbuffer, path);
/* Find end of actual name */
pnt = strrchr(sbuffer,']');
if(!pnt) return 0;
pnt1 = pnt;
while(*pnt1 != '[' && *pnt1 != '.') pnt1--;
if(*pnt1 != '[' && strcmp(ppnt,"..") == 0) {
pnt1--;
while(*pnt1 != '[' && *pnt1 != '.') pnt1--;
};
if(*pnt1 == '.') {
*pnt1 = ']';
pnt = pnt1;
while(*pnt != '.' && *pnt != ']') pnt++;
*pnt++ = ']';
while(*pnt != '.' && *pnt != ']') pnt++;
*pnt = 0;
strcat(sbuffer,".DIR;1");
};
if(*pnt1 == '[') {
pnt1++;
*pnt1 = 0;
strcat(pnt1,"000000]");
pnt1 = strrchr(path,'[') + 1;
pnt = sbuffer + strlen(sbuffer);
while(*pnt1 && *pnt1 != '.' && *pnt1 != ']') *pnt++ = *pnt1++;
*pnt = 0;
strcat(sbuffer,".DIR;1");
};
spath = sbuffer;
};
return stat(spath, spnt);
}
static int dircontext[32] = {0,};
static char * searchpath[32];
static struct direct d_entry[32];
int optind = 0;
char * optarg;
int getopt(int argc, char *argv[], char * flags){
char * pnt;
char c;
optind++;
if(*argv[optind] != '-') return EOF;
optarg = 0;
c = *(argv[optind]+1);
pnt = (char *) strchr(flags, c);
if(!pnt) return c; /* Not found */
if(pnt[1] == ':') {
optind++;
optarg = argv[optind];
};
return c;
}
void vms_path_fixup(char * name){
char * pnt1;
pnt1 = name + strlen(name) - 6;
/* First strip the .DIR;1 */
if(strcmp(pnt1, ".DIR;1") == 0) *pnt1 = 0;
pnt1 = (char*) strrchr(name, ']');
if(pnt1) {
if(pnt1[1] == 0) return;
*pnt1 = '.';
strcat(name,"]");
return;
};
pnt1 = (char*) strrchr(name, '>');
if(pnt1) {
if(pnt1[1] == 0) return;
*pnt1 = '.';
strcat(name,">");
return;
};
}
int opendir(char * path){
int i;
for(i=1; i<32; i++) {
if(dircontext[i] == 0){
dircontext[i] = -1;
searchpath[i] = (char *) e_malloc(strlen(path) + 6);
strcpy(searchpath[i], path);
vms_path_fixup(searchpath[i]);
strcat(searchpath[i],"*.*.*");
return i;
};
};
exit(0);
}
struct direct * readdir(int context){
int i;
char cresult[100];
char * pnt;
int status;
$DESCRIPTOR(dpath,searchpath[context]);
$DESCRIPTOR(result,cresult);
if(dircontext[context] == -1) {
dircontext[context] = -2;
strcpy(d_entry[context].d_name, ".");
return &d_entry[context];
};
if(dircontext[context] == -2) {
dircontext[context] = -3;
strcpy(d_entry[context].d_name, "..");
return &d_entry[context];
};
if(dircontext[context] == -3) dircontext[context] = 0;
dpath.dsc$w_length = strlen(searchpath[context]);
lib$find_file(&dpath, &result, &dircontext[context],
0, 0, &status, 0);
if(status == SS$_NOMOREFILES) return 0;
/* Now trim trailing spaces from the name */
i = result.dsc$w_length - 1;
while(i && cresult[i] == ' ') i--;
cresult[i+1] = 0;
/* Now locate the actual portion of the file we want */
pnt = (char *) strrchr(cresult,']');
if(pnt) pnt++;
else
pnt = cresult;
strcpy(d_entry[context].d_name, pnt);
return &d_entry[context];
}
void closedir(int context){
lib$find_file_end(&dircontext[context]);
free(searchpath[context]);
searchpath[context] = (char *) 0;
dircontext[context] = 0;
}
static open_file(char* fn){
/* this routine initializes a rab and fab required to get the
correct definition of the external data file used by mail */
struct FAB * fab;
rab = (struct RAB*) e_malloc(sizeof(struct RAB));
fab = (struct FAB*) e_malloc(sizeof(struct FAB));
*rab = cc$rms_rab; /* initialize RAB*/
rab->rab$l_fab = fab;
*fab = cc$rms_fab; /* initialize FAB*/
fab->fab$l_fna = fn;
fab->fab$b_fns = strlen(fn);
fab->fab$w_mrs = 512;
fab->fab$b_fac = FAB$M_BIO | FAB$M_GET;
fab->fab$b_org = FAB$C_SEQ;
fab->fab$b_rfm = FAB$C_FIX;
fab->fab$l_xab = (char*) 0;
rms_status = sys$open(rab->rab$l_fab);
if(rms_status != RMS$_NORMAL && rms_status != RMS$_CREATED)
error_exit("$OPEN");
rms_status = sys$connect(rab);
if(rms_status != RMS$_NORMAL)
error_exit("$CONNECT");
return 1;
}
static close_file(struct RAB * prab){
rms_status = sys$close(prab->rab$l_fab);
free(prab->rab$l_fab);
free(prab);
if(rms_status != RMS$_NORMAL)
error_exit("$CLOSE");
}
#define NSECT 16
extern unsigned int last_extent_written;
int vms_write_one_file(char * filename, int size, FILE * outfile){
int status, i;
char buffer[SECTOR_SIZE * NSECT];
int count;
int use;
int remain;
open_file(filename);
remain = size;
while(remain > 0){
use = (remain > SECTOR_SIZE * NSECT - 1 ? NSECT*SECTOR_SIZE : remain);
use = ROUND_UP(use); /* Round up to nearest sector boundary */
memset(buffer, 0, use);
rab->rab$l_ubf = buffer;
rab->rab$w_usz = sizeof(buffer);
status = sys$read(rab);
fwrite(buffer, 1, use, outfile);
last_extent_written += use/SECTOR_SIZE;
if((last_extent_written % 1000) < use/SECTOR_SIZE) fprintf(stderr,"%d..", last_extent_written);
remain -= use;
};
close_file(rab);
}
#endif