git.distorted.org.uk Git - u/mdw/putty/blob - mac/macmisc.c

   1 /* $Id: macmisc.c,v 1.3 2003/03/29 23:07:55 ben Exp $ */
   2 /*
   3  * Copyright (c) 1999, 2003 Ben Harris
   4  * All rights reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person
   7  * obtaining a copy of this software and associated documentation
   8  * files (the "Software"), to deal in the Software without
   9  * restriction, including without limitation the rights to use,
  10  * copy, modify, merge, publish, distribute, sublicense, and/or
  11  * sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following
  13  * conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be
  16  * included in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  23  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27
  28 #include <MacTypes.h>
  29 #include <Dialogs.h>
  30 #include <Files.h>
  31 #include <MacWindows.h>
  32 #include <Processes.h>
  33 #include <Quickdraw.h>
  34 #include <TextUtils.h>
  35
  36 #include <stdarg.h>
  37 #include <stdio.h>
  38
  39 #include "putty.h"
  40 #include "mac.h"
  41
  42 #if TARGET_API_MAC_CARBON
  43 /*
  44  * This is used by (I think) CarbonStdCLib, but only exists in
  45  * CarbonLib 1.1 and later.  Muppets.  Happily, it's documented to be
  46  * a synonym for NULL.
  47  */
  48 #include <CFBase.h>
  49 const CFAllocatorRef kCFAllocatorDefault = NULL;
  50 #else
  51 QDGlobals qd;
  52 #endif
  53
  54 /*
  55  * Like FrontWindow(), but return NULL if we aren't the front process
  56  * (i.e. the front window isn't one of ours).
  57  */
  58 WindowPtr mac_frontwindow(void)
  59 {
  60     ProcessSerialNumber frontpsn;
  61     ProcessSerialNumber curpsn = { 0, kCurrentProcess };
  62     Boolean result;
  63
  64     GetFrontProcess(&frontpsn);
  65     if (SameProcess(&frontpsn, &curpsn, &result) == noErr && result)
  66         return FrontWindow();
  67     return NULL;
  68 }
  69
  70 void fatalbox(char *fmt, ...) {
  71     va_list ap;
  72     Str255 stuff;
  73
  74     va_start(ap, fmt);
  75     /* We'd like stuff to be a Pascal string */
  76     stuff[0] = vsprintf((char *)(&stuff[1]), fmt, ap);
  77     va_end(ap);
  78     ParamText(stuff, NULL, NULL, NULL);
  79     StopAlert(128, NULL);
  80     cleanup_exit(1);
  81 }
  82
  83 void modalfatalbox(char *fmt, ...) {
  84     va_list ap;
  85     Str255 stuff;
  86
  87     va_start(ap, fmt);
  88     /* We'd like stuff to be a Pascal string */
  89     stuff[0] = vsprintf((char *)(&stuff[1]), fmt, ap);
  90     va_end(ap);
  91     ParamText(stuff, NULL, NULL, NULL);
  92     StopAlert(128, NULL);
  93     cleanup_exit(1);
  94 }
  95
  96 Filename filename_from_str(const char *str)
  97 {
  98     Filename ret;
  99     Str255 tmp;
 100
 101     /* XXX This fails for filenames over 255 characters long. */
 102     c2pstrcpy(tmp, str);
 103     FSMakeFSSpec(0, 0, tmp, &ret.fss);
 104     return ret;
 105 }
 106
 107 /*
 108  * Convert a filename to a string for display purposes.
 109  * See pp 2-44--2-46 of IM:Files
 110  *
 111  * XXX static storage considered harmful
 112  */
 113 const char *filename_to_str(const Filename *fn)
 114 {
 115     CInfoPBRec pb;
 116     Str255 dirname;
 117     OSErr err;
 118     static char *path = NULL;
 119     char *newpath;
 120
 121     if (path != NULL) sfree(path);
 122     path = snewn(fn->fss.name[0], char);
 123     p2cstrcpy(path, fn->fss.name);
 124     pb.dirInfo.ioNamePtr = dirname;
 125     pb.dirInfo.ioVRefNum = fn->fss.vRefNum;
 126     pb.dirInfo.ioDrParID = fn->fss.parID;
 127     pb.dirInfo.ioFDirIndex = -1;
 128     do {
 129         pb.dirInfo.ioDrDirID = pb.dirInfo.ioDrParID;
 130         err = PBGetCatInfoSync(&pb);
 131
 132         /* XXX Assume not A/UX */
 133         newpath = snewn(strlen(path) + dirname[0] + 2, char);
 134         p2cstrcpy(newpath, dirname);
 135         strcat(newpath, ":");
 136         strcat(newpath, path);
 137         sfree(path);
 138         path = newpath;
 139     } while (pb.dirInfo.ioDrDirID != fsRtDirID);
 140     return path;
 141 }
 142
 143 int filename_equal(Filename f1, Filename f2)
 144 {
 145
 146     return f1.fss.vRefNum == f2.fss.vRefNum &&
 147         f1.fss.parID == f2.fss.parID &&
 148         f1.fss.name[0] == f2.fss.name[0] &&
 149         memcmp(f1.fss.name + 1, f2.fss.name + 1, f1.fss.name[0]) == 0;
 150 }
 151
 152 int filename_is_null(Filename fn)
 153 {
 154
 155     return fn.fss.vRefNum == 0 && fn.fss.parID == 0 && fn.fss.name[0] == 0;
 156 }
 157
 158 FILE *f_open(Filename fn, char const *mode)
 159 {
 160     short savevol;
 161     long savedir;
 162     char tmp[256];
 163     FILE *ret;
 164
 165     HGetVol(NULL, &savevol, &savedir);
 166     if (HSetVol(NULL, fn.fss.vRefNum, fn.fss.parID) == noErr) {
 167         p2cstrcpy(tmp, fn.fss.name);
 168         ret = fopen(tmp, mode);
 169     } else
 170         ret = NULL;
 171     HSetVol(NULL, savevol, savedir);
 172     return ret;
 173 }
 174
 175 /*
 176  * Local Variables:
 177  * c-file-style: "simon"
 178  * End:
 179  */