Split some of the unix.c code out to posix.c for BeOS to use.
authorRyan C. Gordon <icculus@icculus.org>
Fri, 24 May 2002 09:23:23 +0000
changeset 233 1b74a7df1ca6
parent 232 1a915487352f
child 234 2710ee66a482
Split some of the unix.c code out to posix.c for BeOS to use.
platform/Makefile.am
platform/unix.c
--- a/platform/Makefile.am	Fri May 24 03:39:19 2002 +0000
+++ b/platform/Makefile.am	Fri May 24 09:23:23 2002 +0000
@@ -4,6 +4,7 @@
 
 libplatform_la_SOURCES =	\
 	unix.c                  \
+	posix.c                 \
 	beos.cpp
 
 EXTRA_DIST =      \
--- a/platform/unix.c	Fri May 24 03:39:19 2002 +0000
+++ b/platform/unix.c	Fri May 24 09:23:23 2002 +0000
@@ -10,33 +10,15 @@
 #  include <config.h>
 #endif
 
+#if (!defined __BEOS__) /* BeOS uses beos.cpp and posix.c ... */
+
 #if ((defined __APPLE__) && (defined __MACH__))
 #  if (!defined __DARWIN__)
 #    define __DARWIN__
 #  endif
 #endif
 
-#if (defined __STRICT_ANSI__)
-#define __PHYSFS_DOING_STRICT_ANSI__
-#endif
-
-/*
- * We cheat a little: I want the symlink version of stat() (lstat), and
- *  GCC/Linux will not declare it if compiled with the -ansi flag.
- *  If you are really lacking symlink support on your platform,
- *  you should #define __PHYSFS_NO_SYMLINKS__ before compiling this
- *  file. That will open a security hole, though, if you really DO have
- *  symlinks on your platform; it renders PHYSFS_permitSymbolicLinks(0)
- *  useless, since every symlink will be reported as a regular file/dir.
- */
-#if (defined __PHYSFS_DOING_STRICT_ANSI__)
-#undef __STRICT_ANSI__
-#endif
 #include <stdio.h>
-#if (defined __PHYSFS_DOING_STRICT_ANSI__)
-#define __STRICT_ANSI__
-#endif
-
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
@@ -176,20 +158,8 @@
 #endif
 
 
-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 */
+/* this is in posix.c ... */
+extern char *__PHYSFS_platformCopyEnvironmentVariable(const char *varname);
 
 
 /*
@@ -265,7 +235,7 @@
     if (strchr(argv0, '/') != NULL)   /* default behaviour can handle this. */
         return(NULL);
 
-    envr = copyEnvironmentVariable("PATH");
+    envr = __PHYSFS_platformCopyEnvironmentVariable("PATH");
     BAIL_IF_MACRO(!envr, NULL, NULL);
     retval = findBinaryInPath(argv0, envr);
     free(envr);
@@ -273,157 +243,12 @@
 } /* __PHYSFS_platformCalcBaseDir */
 
 
-static char *getUserNameByUID(void)
-{
-    uid_t uid = getuid();
-    struct passwd *pw;
-    char *retval = NULL;
-
-    pw = getpwuid(uid);
-    if ((pw != NULL) && (pw->pw_name != NULL))
-    {
-        retval = malloc(strlen(pw->pw_name) + 1);
-        if (retval != NULL)
-            strcpy(retval, pw->pw_name);
-    } /* if */
-    
-    return(retval);
-} /* getUserNameByUID */
-
-
-static char *getUserDirByUID(void)
-{
-    uid_t uid = getuid();
-    struct passwd *pw;
-    char *retval = NULL;
-
-    pw = getpwuid(uid);
-    if ((pw != NULL) && (pw->pw_dir != NULL))
-    {
-        retval = malloc(strlen(pw->pw_dir) + 1);
-        if (retval != NULL)
-            strcpy(retval, pw->pw_dir);
-    } /* if */
-    
-    return(retval);
-} /* getUserDirByUID */
-
-
-char *__PHYSFS_platformGetUserName(void)
-{
-    char *retval = getUserNameByUID();
-    if (retval == NULL)
-        retval = copyEnvironmentVariable("USER");
-    return(retval);
-} /* __PHYSFS_platformGetUserName */
-
-
-char *__PHYSFS_platformGetUserDir(void)
-{
-    char *retval = copyEnvironmentVariable("HOME");
-    if (retval == NULL)
-        retval = getUserDirByUID();
-    return(retval);
-} /* __PHYSFS_platformGetUserDir */
-
-
 PHYSFS_uint64 __PHYSFS_platformGetThreadID(void)
 {
     return((PHYSFS_uint64) ((PHYSFS_uint32) pthread_self()));
 } /* __PHYSFS_platformGetThreadID */
 
 
-/* -ansi and -pedantic flags prevent use of strcasecmp() on Linux. */
-int __PHYSFS_platformStricmp(const char *x, const char *y)
-{
-    int ux, uy;
-
-    do
-    {
-        ux = toupper((int) *x);
-        uy = toupper((int) *y);
-        if (ux > uy)
-            return(1);
-        else if (ux < uy)
-            return(-1);
-        x++;
-        y++;
-    } while ((ux) && (uy));
-
-    return(0);
-} /* __PHYSFS_platformStricmp */
-
-
-int __PHYSFS_platformExists(const char *fname)
-{
-    struct stat statbuf;
-    return(stat(fname, &statbuf) == 0);
-} /* __PHYSFS_platformExists */
-
-
-int __PHYSFS_platformIsSymLink(const char *fname)
-{
-#if (defined __PHYSFS_NO_SYMLINKS__)
-    return(0);
-#else
-
-    struct stat statbuf;
-    int retval = 0;
-
-    if (lstat(fname, &statbuf) == 0)
-    {
-        if (S_ISLNK(statbuf.st_mode))
-            retval = 1;
-    } /* if */
-    
-    return(retval);
-
-#endif
-} /* __PHYSFS_platformIsSymlink */
-
-
-int __PHYSFS_platformIsDirectory(const char *fname)
-{
-    struct stat statbuf;
-    int retval = 0;
-
-    if (stat(fname, &statbuf) == 0)
-    {
-        if (S_ISDIR(statbuf.st_mode))
-            retval = 1;
-    } /* if */
-    
-    return(retval);
-} /* __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);
-
-    /* platform-independent notation is Unix-style already.  :)  */
-
-    if (prepend)
-        strcpy(retval, prepend);
-    else
-        retval[0] = '\0';
-
-    strcat(retval, dirName);
-
-    if (append)
-        strcat(retval, append);
-
-    return(retval);
-} /* __PHYSFS_platformCvtToDependent */
-
-
 /* Much like my college days, try to sleep for 10 milliseconds at a time... */
 void __PHYSFS_platformTimeslice(void)
 {
@@ -431,137 +256,6 @@
 } /* __PHYSFS_platformTimeslice */
 
 
-LinkedStringList *__PHYSFS_platformEnumerateFiles(const char *dirname,
-                                                  int omitSymLinks)
-{
-    LinkedStringList *retval = NULL;
-    LinkedStringList *l = NULL;
-    LinkedStringList *prev = NULL;
-    DIR *dir;
-    struct dirent *ent;
-    int bufsize = 0;
-    char *buf = NULL;
-    int dlen = 0;
-
-    if (omitSymLinks)
-    {
-        dlen = strlen(dirname);
-        bufsize = dlen + 256;
-        buf = malloc(bufsize);
-        BAIL_IF_MACRO(buf == NULL, ERR_OUT_OF_MEMORY, NULL);
-        strcpy(buf, dirname);
-        if (buf[dlen - 1] != '/')
-        {
-            buf[dlen++] = '/';
-            buf[dlen] = '\0';
-        } /* if */
-    } /* if */
-
-    errno = 0;
-    dir = opendir(dirname);
-    if (dir == NULL)
-    {
-        if (buf != NULL)
-            free(buf);
-        BAIL_IF_MACRO(1, strerror(errno), NULL);
-    } /* if */
-
-    while (1)
-    {
-        ent = readdir(dir);
-        if (ent == NULL)   /* we're done. */
-            break;
-
-        if (strcmp(ent->d_name, ".") == 0)
-            continue;
-
-        if (strcmp(ent->d_name, "..") == 0)
-            continue;
-
-        if (omitSymLinks)
-        {
-            char *p;
-            int len = strlen(ent->d_name) + dlen + 1;
-            if (len > bufsize)
-            {
-                p = realloc(buf, len);
-                if (p == NULL)
-                    continue;
-                buf = p;
-                bufsize = len;
-            } /* if */
-
-            strcpy(buf + dlen, ent->d_name);
-            if (__PHYSFS_platformIsSymLink(buf))
-                continue;
-        } /* if */
-
-        l = (LinkedStringList *) malloc(sizeof (LinkedStringList));
-        if (l == NULL)
-            break;
-
-        l->str = (char *) malloc(strlen(ent->d_name) + 1);
-        if (l->str == NULL)
-        {
-            free(l);
-            break;
-        } /* if */
-
-        strcpy(l->str, ent->d_name);
-
-        if (retval == NULL)
-            retval = l;
-        else
-            prev->next = l;
-
-        prev = l;
-        l->next = NULL;
-    } /* while */
-
-    if (buf != NULL)
-        free(buf);
-
-    closedir(dir);
-    return(retval);
-} /* __PHYSFS_platformEnumerateFiles */
-
-
-char *__PHYSFS_platformCurrentDir(void)
-{
-    int allocSize = 0;
-    char *retval = NULL;
-    char *ptr;
-
-    do
-    {
-        allocSize += 100;
-        ptr = (char *) realloc(retval, allocSize);
-        if (ptr == NULL)
-        {
-            if (retval != NULL)
-                free(retval);
-            BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
-        } /* if */
-
-        retval = ptr;
-        ptr = getcwd(retval, allocSize);
-    } while (ptr == NULL && errno == ERANGE);
-
-    if (ptr == NULL && errno)
-    {
-            /*
-             * getcwd() failed for some reason, for example current
-             * directory not existing.
-             */
-        if (retval != NULL)
-            free(retval);
-        BAIL_MACRO(ERR_NO_SUCH_FILE, NULL);
-    } /* if */
-
-    return(retval);
-} /* __PHYSFS_platformCurrentDir */
-
-
 char *__PHYSFS_platformRealPath(const char *path)
 {
     char resolved_path[MAXPATHLEN];
@@ -569,143 +263,13 @@
 
     errno = 0;
     BAIL_IF_MACRO(!realpath(path, resolved_path), strerror(errno), NULL);
-    retval = malloc(strlen(resolved_path) + 1);
+    retval = (char *) malloc(strlen(resolved_path) + 1);
     BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
     strcpy(retval, resolved_path);
     return(retval);
 } /* __PHYSFS_platformRealPath */
 
 
-int __PHYSFS_platformMkDir(const char *path)
-{
-    int rc;
-    errno = 0;
-    rc = mkdir(path, S_IRWXU);
-    BAIL_IF_MACRO(rc == -1, strerror(errno), 0);
-    return(1);
-} /* __PHYSFS_platformMkDir */
-
-
-static void *doOpen(const char *filename, const char *mode)
-{
-    FILE *retval;
-    errno = 0;
-
-    retval = fopen(filename, mode);
-    if (retval == NULL)
-        __PHYSFS_setError(strerror(errno));
-
-    return((void *) retval);
-} /* doOpen */
-
-
-void *__PHYSFS_platformOpenRead(const char *filename)
-{
-    return(doOpen(filename, "rb"));
-} /* __PHYSFS_platformOpenRead */
-
-
-void *__PHYSFS_platformOpenWrite(const char *filename)
-{
-    return(doOpen(filename, "wb"));
-} /* __PHYSFS_platformOpenWrite */
-
-
-void *__PHYSFS_platformOpenAppend(const char *filename)
-{
-    return(doOpen(filename, "ab"));
-} /* __PHYSFS_platformOpenAppend */
-
-
-PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
-                                    PHYSFS_uint32 size, PHYSFS_uint32 count)
-{
-    FILE *io = (FILE *) opaque;
-    int rc = fread(buffer, size, count, io);
-    if (rc < count)
-    {
-        int err = errno;
-        BAIL_IF_MACRO(ferror(io), strerror(err), rc);
-        BAIL_MACRO(ERR_PAST_EOF, rc);
-    } /* if */
-
-    return(rc);
-} /* __PHYSFS_platformRead */
-
-
-PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
-                                     PHYSFS_uint32 size, PHYSFS_uint32 count)
-{
-    FILE *io = (FILE *) opaque;
-    int rc = fwrite((void *) buffer, size, count, io);
-    if (rc < count)
-        __PHYSFS_setError(strerror(errno));
-
-    return(rc);
-} /* __PHYSFS_platformWrite */
-
-
-int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
-{
-    FILE *io = (FILE *) opaque;
-
-    /* !!! FIXME: Use llseek where available. */
-    errno = 0;
-    BAIL_IF_MACRO(fseek(io, pos, SEEK_SET) != 0, strerror(errno), 0);
-
-    return(1);
-} /* __PHYSFS_platformSeek */
-
-
-PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
-{
-    FILE *io = (FILE *) opaque;
-    PHYSFS_sint64 retval = ftell(io);
-    BAIL_IF_MACRO(retval == -1, strerror(errno), -1);
-    return(retval);
-} /* __PHYSFS_platformTell */
-
-
-PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
-{
-    FILE *io = (FILE *) opaque;
-    struct stat statbuf;
-    errno = 0;
-    BAIL_IF_MACRO(fstat(fileno(io), &statbuf) == -1, strerror(errno), -1);
-    return((PHYSFS_sint64) statbuf.st_size);
-} /* __PHYSFS_platformFileLength */
-
-
-int __PHYSFS_platformEOF(void *opaque)
-{
-    return(feof((FILE *) opaque));
-} /* __PHYSFS_platformEOF */
-
-
-int __PHYSFS_platformFlush(void *opaque)
-{
-    errno = 0;
-    BAIL_IF_MACRO(fflush((FILE *) opaque) == EOF, strerror(errno), 0);
-    return(1);
-} /* __PHYSFS_platformFlush */
-
-
-int __PHYSFS_platformClose(void *opaque)
-{
-    errno = 0;
-    BAIL_IF_MACRO(fclose((FILE *) opaque) == EOF, strerror(errno), 0);
-    return(1);
-} /* __PHYSFS_platformClose */
-
-
-int __PHYSFS_platformDelete(const char *path)
-{
-    errno = 0;
-    BAIL_IF_MACRO(remove(path) == -1, strerror(errno), 0);
-    return(1);
-} /* __PHYSFS_platformDelete */
-
-
 void *__PHYSFS_platformCreateMutex(void)
 {
     int rc;
@@ -740,5 +304,7 @@
     pthread_mutex_unlock((pthread_mutex_t *) mutex);
 } /* __PHYSFS_platformReleaseMutex */
 
+#endif /* !defined __BEOS__ */
+
 /* end of unix.c ... */