source: trunk/dll/dirs.c@ 1904

Last change on this file since 1904 was 1904, checked in by Steven Levine, 15 months ago

Minor code cleanup and comments.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.3 KB
Line 
1
2/***********************************************************************
3
4 $Id: dirs.c 1904 2024-06-01 19:03:22Z stevenhl $
5
6 Copyright (c) 1993-98 M. Kimes
7 Copyright (c) 2003, 2010 Steven H.Levine
8
9 Directory manipulation
10
11 20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
12 17 JAN 10 GKY Changes to get working with Watcom 1.9 Beta (1/16/10). Mostly cast CHAR CONSTANT * as CHAR *.
13
14***********************************************************************/
15
16#include <stdlib.h>
17#include <string.h>
18#include <ctype.h>
19
20#define INCL_LONGLONG // dircnrs.h
21
22#include "fm3dll.h"
23#include "init.h" // Data declaration(s)
24#include "dirs.h"
25#include "valid.h" // IsValidDir
26
27APIRET save_dir2(CHAR * curdir)
28{
29 CHAR *env = getenv(PCSZ_FM3INI);
30
31 if (env && *env) {
32 strncpy(curdir, env, CCHMAXPATH);
33 curdir[CCHMAXPATH - 1] = 0;
34 if (IsValidDir(curdir))
35 return 0;
36 else {
37 env = strrchr(curdir, '\\');
38 if (env) {
39 *env = 0;
40 if (IsValidDir(curdir))
41 return 0;
42 }
43 }
44 }
45 return save_dir(curdir);
46}
47
48/**
49 * Return fully qualified path to current directory
50 */
51
52APIRET save_dir(CHAR * curdir)
53{
54 APIRET ret;
55 ULONG curdirlen, curdrive, drivemap;
56
57 *curdir = 0;
58 ret = DosQCurDisk(&curdrive, &drivemap);
59 curdirlen = CCHMAXPATH - 4; // NOTE!!!!!!!!!
60 ret += DosQCurDir(curdrive, (PBYTE)&curdir[3], &curdirlen);
61 *curdir = (CHAR) ('@' + (INT) curdrive);
62 curdir[1] = ':';
63 curdir[2] = '\\';
64 return ret;
65}
66
67APIRET switch_to(CHAR * s)
68{
69
70 APIRET ret;
71 FILESTATUS3 fsa;
72 CHAR path[CCHMAXPATH + 1], *p;
73
74 strcpy(path, s);
75 while (*path) {
76 ret = DosQueryPathInfo(path, FIL_STANDARD, &fsa, sizeof(fsa));
77 if (ret || !(fsa.attrFile & FILE_DIRECTORY)) {
78 p = strrchr(path, '\\');
79 if (p)
80 *p = 0;
81 else {
82 strcpy(path, s);
83 break;
84 }
85 }
86 else
87 break;
88 }
89 if (isalpha(*path) && path[1] == ':') {
90
91 ULONG curdrive, drivemap;
92
93 if (!DosQCurDisk(&curdrive, &drivemap)) {
94 if ((CHAR) ((CHAR) curdrive + '@') != (CHAR) toupper(*HomePath) &&
95 (CHAR) ((CHAR) curdrive + '@') != (CHAR) toupper(*path))
96 DosChDir((CHAR *) PCSZ_BACKSLASH);
97 }
98 ret = DosSelectDisk(toupper(*path) - '@');
99 return (ret) ? ret : DosChDir(path);
100 }
101 return DosChDir(path);
102}
103
104#pragma alloc_text(MISC9,save_dir,save_dir2,switch_to)
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