Initial add; NOT complete.
authorRyan C. Gordon <icculus@icculus.org>
Thu, 23 Aug 2001 15:22:52 +0000
changeset 68 c9a10b5d5f4f
parent 67 5000499d4ee2
child 69 546a95cc5591
Initial add; NOT complete.
platform/win32.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/platform/win32.c	Thu Aug 23 15:22:52 2001 +0000
@@ -0,0 +1,294 @@
+/*
+ * Unix support routines for PhysicsFS.
+ *
+ * Please see the file LICENSE in the source's root directory.
+ *
+ *  This file written by Ryan C. Gordon.
+ */
+
+#if (defined __STRICT_ANSI__)
+#define __PHYSFS_DOING_STRICT_ANSI__
+#endif
+
+#include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <dirent.h>
+#include <time.h>
+#include <errno.h>
+
+#define __PHYSICSFS_INTERNAL__
+#include "physfs_internal.h"
+
+
+const char *__PHYSFS_platformDirSeparator = "\\";
+
+
+static const char *win32strerror(void)
+{
+    static char msgbuf[255];
+
+    FormatMessage(
+        FORMAT_MESSAGE_FROM_SYSTEM |
+        FORMAT_MESSAGE_IGNORE_INSERTS,
+        NULL,
+        GetLastError(),
+        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+        &msgbuf,
+        0,
+        NULL 
+    );
+
+    return(msgbuf);
+} /* win32strerror */
+
+
+char **__PHYSFS_platformDetectAvailableCDs(void)
+{
+    char **retval = (char **) malloc(sizeof (char *));
+    int cd_count = 1;  /* We count the NULL entry. */
+    char drive_str[4] = "x:\\";
+    int i;
+
+    for (drive_str[0] = 'A'; drive_str[0] <= 'Z'; drive_str[0]++)
+    {
+        if (GetDriveType(drive_str) == DRIVE_CDROM)
+        {
+            char **tmp = realloc(retval, sizeof (char *) * cd_count + 1);
+            if (tmp)
+            {
+                retval = tmp;
+                retval[cd_count-1] = (char *) malloc(4);
+                if (retval[cd_count-1])
+                {
+                    strcpy(retval[cd_count-1], drive_str);
+                    cd_count++;
+                } /* if */
+            } /* if */
+        } /* if */
+    } /* for */
+
+    retval[cd_count - 1] = NULL;
+    return(retval);
+} /* __PHYSFS_detectAvailableCDs */
+
+
+static char *copyEnvironmentVariable(const char *varname)
+{
+    const char *envr = getenv(varname);
+    char *retval = NULL;
+
+    if (envr != NULL)
+    {
+        retval = malloc(strlen(envr) + 1);
+        if (retval != NULL)
+            strcpy(retval, envr);
+    } /* if */
+
+    return(retval);
+} /* copyEnvironmentVariable */
+
+
+char *__PHYSFS_platformCalcBaseDir(const char *argv0)
+{
+    DWORD buflen = 0;
+    char *retval = NULL;
+    char *filepart = NULL;
+
+    if (strchr(argv0, '\\') != NULL)   /* default behaviour can handle this. */
+        return(NULL);
+
+    SearchPath(NULL, argv0, NULL, &buflen, NULL, NULL);
+    retval = (char *) malloc(buflen);
+    BAIL_IF_MACRO(!retval, ERR_OUT_OF_MEMORY, NULL);
+    SearchPath(NULL, argv0, NULL, &buflen, retval, &filepart);
+    return(retval);
+} /* __PHYSFS_platformCalcBaseDir */
+
+
+char *__PHYSFS_platformGetUserName(void)
+{
+    LPDWORD bufsize = 0;
+    LPTSTR retval = NULL;
+
+    if (GetUserName(NULL, &bufsize) == 0)  /* This SHOULD fail. */
+    {
+        retval = (LPTSTR) malloc(bufsize);
+        BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
+        if (GetUserName(retval, &bufsize) == 0)  /* ?! */
+        {
+            free(retval);
+            retval = NULL;
+        } /* if */
+    } /* if */
+
+    return((char *) retval);
+} /* __PHYSFS_platformGetUserName */
+
+
+char *__PHYSFS_platformGetUserDir(void)
+{
+    return(NULL);  /* no user dir on win32. */
+} /* __PHYSFS_platformGetUserDir */
+
+
+int __PHYSFS_platformGetThreadID(void)
+{
+    return((int) GetCurrentThreadId());
+} /* __PHYSFS_platformGetThreadID */
+
+
+int __PHYSFS_platformStricmp(const char *x, const char *y)
+{
+    return(stricmp(x, y));
+} /* __PHYSFS_platformStricmp */
+
+
+int __PHYSFS_platformExists(const char *fname)
+{
+    return(GetFileAttributes(fname) != 0xffffffff);
+} /* __PHYSFS_platformExists */
+
+
+int __PHYSFS_platformIsSymLink(const char *fname)
+{
+    return(0);  /* no symlinks on win32. */
+} /* __PHYSFS_platformIsSymlink */
+
+
+int __PHYSFS_platformIsDirectory(const char *fname)
+{
+    return((GetFileAttributes(fname) & FILE_ATTRIBUTE_DIRECTORY) != 0);
+} /* __PHYSFS_platformIsDirectory */
+
+
+char *__PHYSFS_platformCvtToDependent(const char *prepend,
+                                      const char *dirName,
+                                      const char *append)
+{
+    int len = ((prepend) ? strlen(prepend) : 0) +
+              ((append) ? strlen(append) : 0) +
+              strlen(dirName) + 1;
+    char *retval = malloc(len);
+
+    BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
+
+    if (prepend)
+        strcpy(retval, prepend);
+    else
+        retval[0] = '\0';
+
+    strcat(retval, dirName);
+
+    if (append)
+        strcat(retval, append);
+
+    for (p = strchr(retval, '/'); p != NULL; p = strchr(p + 1, '/'))
+        *p = '\\';
+
+    return(retval);
+} /* __PHYSFS_platformCvtToDependent */
+
+
+/* Much like my college days, try to sleep for 10 milliseconds at a time... */
+void __PHYSFS_platformTimeslice(void)
+{
+    Sleep(10);
+} /* __PHYSFS_platformTimeslice */
+
+
+LinkedStringList *__PHYSFS_platformEnumerateFiles(const char *dirname,
+                                                  int omitSymLinks)
+{
+    LinkedStringList *retval = NULL;
+    LinkedStringList *l = NULL;
+    LinkedStringList *prev = NULL;
+    HANDLE dir;
+    WIN32_FIND_DATA ent;
+
+    dir = FindFirstFile(dirname, &ent);
+    BAIL_IF_MACRO(dir == INVALID_HANDLE_VALUE, win32strerror(), NULL);
+
+    for (; FineNextFile(dir, &ent) != 0; )
+    {
+        if (strcmp(ent.cFileName, ".") == 0)
+            continue;
+
+        if (strcmp(ent.cFileName, "..") == 0)
+            continue;
+
+        l = (LinkedStringList *) malloc(sizeof (LinkedStringList));
+        if (l == NULL)
+            break;
+
+        l->str = (char *) malloc(strlen(ent.cFileName) + 1);
+        if (l->str == NULL)
+        {
+            free(l);
+            break;
+        } /* if */
+
+        strcpy(l->str, ent.cFileName);
+
+        if (retval == NULL)
+            retval = l;
+        else
+            prev->next = l;
+
+        prev = l;
+        l->next = NULL;
+    } /* while */
+
+    FindClose(dir);
+    return(retval);
+} /* __PHYSFS_platformEnumerateFiles */
+
+
+int __PHYSFS_platformFileLength(FILE *handle)
+{
+    fpos_t curpos;
+    int retval;
+
+    fgetpos(handle, &curpos);
+    fseek(handle, 0, SEEK_END);
+    retval = ftell(handle);
+    fsetpos(handle, &curpos);
+    return(retval);
+} /* __PHYSFS_platformFileLength */
+
+
+char *__PHYSFS_platformCurrentDir(void)
+{
+    LPTSTR *retval;
+    DWORD buflen = 0;
+
+    GetCurrentDirectory(&buflen, NULL);
+    retval = (LPTSTR) malloc(buflen);
+    GetCurrentDirectory(&buflen, retval);
+    return((char *) retval);
+} /* __PHYSFS_platformCurrentDir */
+
+
+char *__PHYSFS_platformRealPath(const char *path)
+{
+    return(_fullpath(NULL, path, _MAX_PATH));
+} /* __PHYSFS_platformRealPath */
+
+
+int __PHYSFS_platformMkDir(const char *path)
+{
+    rc = CreateDirectory(path, NULL);
+    BAIL_IF_MACRO(rc == 0, win32strerror(), 0);
+    return(1);
+} /* __PHYSFS_platformMkDir */
+
+/* end of win32.c ... */
+