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| 2 | /***********************************************************************
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| 3 |
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| 4 | $Id: srchpath.c 1761 2014-03-21 23:29:52Z stevenhl $
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| 5 |
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| 6 | Path search functions
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| 7 |
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| 8 | Copyright (c) 1993-98 M. Kimes
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| 9 | Copyright (c) 2003, 2010 Steven H. Levine
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| 10 |
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| 11 | 22 Apr 07 GKY Add RunFM2Util to find and run apps from the FM2Utilities
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| 12 | 20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
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| 13 | 23 Aug 07 SHL Comments
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| 14 | 04 Oct 08 JBS Make searchapath non-static
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| 15 | 17 JAN 10 GKY Changes to get working with Watcom 1.9 Beta (1/16/10). Mostly cast CHAR CONSTANT * as CHAR *.
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| 16 | 01 Mar 14 JBS Ticket #524: Made "searchapath" thread-safe. Function names and signatures were changed.
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| 17 | 21 Mar 14 SHL SearchPathForFile: use IsAbsolutePath
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| 18 |
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| 19 | ***********************************************************************/
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| 20 |
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| 21 | #include <string.h>
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| 22 |
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| 23 | #define INCL_WIN
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| 24 | #define INCL_DOS
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| 25 | #define INCL_DOSERRORS
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| 26 | #define INCL_LONGLONG // dircnrs.h
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| 27 |
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| 28 | #include "fm3dll.h"
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| 29 | #include "fm3dlg.h"
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| 30 | #include "fm3str.h"
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| 31 | #include "srchpath.h"
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| 32 | #include "pathutil.h" // BldQuotedFileName
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| 33 | #include "errutil.h" // Dos_Error...
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| 34 | #include "systemf.h" // runemf2
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| 35 | #include "notebook.h" // Data declaration(s)
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| 36 | #include "init.h" // Data declaration(s)
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| 37 |
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| 38 | static PSZ pszSrcFile = __FILE__;
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| 39 |
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| 40 | // static CHAR *first_path(CHAR * path, CHAR * ret);
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| 41 |
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| 42 | #pragma data_seg(DATA1)
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| 43 |
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| 44 | //== RunFM2Util() Find and run an app from the FM2utilities ==
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| 45 | //== Search PATH plus 2 default install dirs ==
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| 46 |
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| 47 | INT RunFM2Util(PCSZ appname, CHAR *filename)
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| 48 | {
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| 49 | CHAR fbuf[CCHMAXPATH];
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| 50 | CHAR szQuotedFileName[CCHMAXPATH];
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| 51 | APIRET rc, ret = -1;
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| 52 |
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| 53 | rc = DosSearchPath(SEARCH_IGNORENETERRS |SEARCH_ENVIRONMENT |
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| 54 | SEARCH_CUR_DIRECTORY, (CHAR *) PCSZ_PATH,
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| 55 | (CHAR *) appname, (PBYTE)fbuf, CCHMAXPATH - 1);
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| 56 | if (rc != 0) {
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| 57 | if (rc != 2){
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| 58 | Dos_Error(MB_ENTER, rc, HWND_DESKTOP, pszSrcFile, __LINE__,
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| 59 | PCSZ_DOSSEARCHPATH, appname);
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| 60 | return ret;
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| 61 | }
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| 62 | else {
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| 63 | rc = DosSearchPath(0, "UTILS;..\\FM2Utils",
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| 64 | (CHAR *) appname, (PBYTE)fbuf, CCHMAXPATH - 1);
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| 65 | if (rc != 0 && rc != 2){
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| 66 | Dos_Error(MB_ENTER, rc, HWND_DESKTOP, pszSrcFile, __LINE__,
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| 67 | PCSZ_DOSSEARCHPATH, appname);
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| 68 | return ret;
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| 69 | }
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| 70 | }
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| 71 | }
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| 72 | ret = runemf2(SEPARATE | WINDOWED,
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| 73 | HWND_DESKTOP, pszSrcFile, __LINE__,
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| 74 | NULL,
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| 75 | NULL,
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| 76 | "%s %s",
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| 77 | fbuf, BldQuotedFileName(szQuotedFileName, filename));
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| 78 | return ret;
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| 79 | }
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| 80 |
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| 81 | #if 0 // JBS 11 Sep 08
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| 82 | CHAR *first_path(CHAR * path, CHAR * ret)
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| 83 | {
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| 84 |
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| 85 | CHAR *p, *pp;
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| 86 |
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| 87 | if (!path || !ret)
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| 88 | return ret;
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| 89 | strcpy(ret, path);
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| 90 | p = strchr(ret, ';');
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| 91 | if (p) {
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| 92 | *p = 0;
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| 93 | p++;
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| 94 | if (*ret == '.') { // skip initial "cur dir"
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| 95 | pp = strchr(p, ';');
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| 96 | if (pp)
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| 97 | *pp = 0;
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| 98 | if (*p)
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| 99 | memmove(ret, p, strlen(p) + 1);
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| 100 | }
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| 101 | }
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| 102 | return ret;
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| 103 | }
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| 104 | #endif
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| 105 |
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| 106 | /**
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| 107 | * SearchPathForFile: Search for a file along a path
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| 108 | *
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| 109 | * @param pszEnvVarName: the name of a path environment variable (input)
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| 110 | * Used only if pFilename has not an absoluate path
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| 111 | *
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| 112 | * @param pFilename: the name of a file to search for (input)
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| 113 | * If the file name is an absolute path then
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| 114 | * DosQueryPathInfo is used for the search
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| 115 | * else
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| 116 | * DosSearchPath is used, along with the pszEnvVarName parameter
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| 117 | *
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| 118 | * @param pFullFilename: address of where to place fully-qulified name if search succeeds (output)
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| 119 | * This parameter may be NULL if the fully-qualified filename is not desired.
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| 120 | *
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| 121 | * @return Return code from call to DosQueryPathInfo/DosSearchPath
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| 122 | *
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| 123 | */
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| 124 | APIRET SearchPathForFile(PCSZ pszEnvVarName,
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| 125 | PCSZ pFilename,
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| 126 | PCHAR pFullFilename)
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| 127 | {
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| 128 | APIRET rc;
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| 129 | CHAR szFullFilename[CCHMAXPATH];
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| 130 |
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| 131 | if (!pszEnvVarName || !*pszEnvVarName || !pFilename || !*pFilename)
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| 132 | return ERROR_INVALID_PARAMETER;
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| 133 |
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| 134 | if (IsAbsolutePath(pFilename)) {
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| 135 | rc = DosQueryPathInfo(pFilename, FIL_QUERYFULLNAME,
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| 136 | (PVOID)szFullFilename, (ULONG)CCHMAXPATH-1);
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| 137 | }
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| 138 | else {
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| 139 | rc = DosSearchPath(SEARCH_IGNORENETERRS | SEARCH_ENVIRONMENT |
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| 140 | SEARCH_CUR_DIRECTORY,
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| 141 | (CHAR *) pszEnvVarName,
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| 142 | (CHAR *) pFilename,
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| 143 | (PBYTE) szFullFilename,
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| 144 | CCHMAXPATH - 1);
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| 145 | }
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| 146 | if (!rc && pFullFilename)
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| 147 | strcpy(pFullFilename, szFullFilename);
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| 148 |
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| 149 | return rc;
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| 150 | }
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| 151 |
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| 152 | /**
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| 153 | * SearchMultiplePathsForFile: Search for a file along multiple paths.
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| 154 | * Currently these paths are hard-coded to: PATH, DPATH and XPATH.
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| 155 | *
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| 156 | * @param pFilename: the name of a file to search for (input)
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| 157 | *
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| 158 | * @param pFullFilename: address of where to place fully-qulified name if search succeeds (output)
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| 159 | * This parameter may be NULL if the fully-qualified filename is not desired.
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| 160 | *
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| 161 | * @return Return code from call to SearchPathForFile (DosQueryPathInfo/DosSearchPath)
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| 162 | *
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| 163 | * @note: The code uses DosSearchPathForFile for all searches. First it searches PATH.
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| 164 | * If this fails it searches DPATH. If this fails it seaches XPATH.
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| 165 | *
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| 166 | */
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| 167 | APIRET SearchMultiplePathsForFile(PCSZ pFilename,
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| 168 | PSZ pFullFilename)
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| 169 | {
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| 170 | APIRET rc;
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| 171 |
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| 172 | rc = SearchPathForFile(PCSZ_PATH,
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| 173 | pFilename,
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| 174 | pFullFilename);
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| 175 | if (rc && rc != ERROR_INVALID_PARAMETER) {
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| 176 | rc = SearchPathForFile("DPATH",
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| 177 | pFilename,
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| 178 | pFullFilename);
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| 179 | if (rc && rc != ERROR_INVALID_PARAMETER)
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| 180 | rc = SearchPathForFile("XPATH",
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| 181 | pFilename,
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| 182 | pFullFilename);
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| 183 | }
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| 184 | return rc;
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| 185 | }
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| 186 |
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| 187 | //#pragma alloc_text(MISC9,first_path,searchapath,searchpath,RunFM2Util)
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| 188 | // jbs: first_path seems to be unused
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| 189 | #pragma alloc_text(MISC9,first_path,SearchPathForFile,SearchMultiplePathsForFile,RunFM2Util)
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