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- /* vms.c -- target dependent functions for VMS
- * This is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License, see the file COPYING.
- *
- * This file was written by Karl-Jose Filler <pla_jfi@pki-nbg.philips.de>
- * and updated by Jean-loup Gailly.
- */
-
- #include <stdio.h>
-
- static char **vms_argv = NULL;
-
- static int max_files = 10000;
-
- struct Str_desc {
- int length;
- char *addr;
- };
-
- vms_expand_args(old_argc, argv)
- int *old_argc;
- char **argv[];
- {
- int i;
- int new_argc = 0;
- int context, status;
- char buf[255], *p;
-
- vms_argv = (char**)xmalloc((max_files+1)*sizeof(char*));
-
- vms_argv[new_argc++] = **argv;
-
- for (i=1; i < *old_argc; i++) {
- if (*argv[0][i] == '-') { /* switches */
- if (new_argc < max_files) {
- vms_argv[new_argc++] = argv[0][i];
- }
- } else { /* Files */
- context = 0;
- if (find_file_c(argv[0][i], buf, sizeof(buf), &context) & 1 != 1) {
- /*
- * Wrong file ?
- * forward it to gzip
- */
- if (new_argc < max_files) {
- vms_argv[new_argc++] = argv[0][i];
- }
- } else {
- p = (char*)xmalloc(strlen(buf)+1);
- strcpy(p, buf);
- if (new_argc < max_files) {
- vms_argv[new_argc++] = p;
- }
- while (find_file_c(argv[0][i], buf,
- sizeof(buf), &context) & 1 == 1) {
- p = (char*)xmalloc(strlen(buf)+1);
- strcpy(p, buf);
- if (new_argc < max_files) {
- vms_argv[new_argc++] = p;
- }
- }
- }
- }
- }
- if (new_argc <= max_files) {
- *old_argc = new_argc;
- vms_argv[new_argc] = NULL;
- *argv = vms_argv;
- } else {
- free(vms_argv); /* the expanded file names should also be freed ... */
- vms_argv = NULL;
- max_files = new_argc + 1;
- vms_expand_args(old_argc, argv);
- }
- }
-
- int find_file_c(in,out,out_len,context)
- char *in;
- char *out;
- int out_len;
- int *context;
- {
- struct Str_desc in_desc,out_desc;
- int status;
- char *p;
-
- in_desc.addr = in;
- in_desc.length = strlen(in);
-
- out_desc.addr = out;
- out_desc.length = out_len;
-
- status = lib$find_file(&in_desc,&out_desc,context);
-
- p = out_desc.addr;
- while(*p != ' ') {
- p++;
- }
- *p = 0;
-
- return status;
- }
-