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Simulators: lseek() working again for systems with an off_t datatype differing from 'long' (cygwin/x11, maybe others). Removed unused sim_close().

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6084 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2005-02-28 18:32:57 +00:00
parent 00dd42a713
commit 399c081f93
4 changed files with 15 additions and 14 deletions
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2
apps/plugin.c
View file

@ -135,7 +135,7 @@ static const struct plugin_api rockbox_api = {
(open_func)PREFIX(open),
close,
(read_func)read,
lseek,
PREFIX(lseek),
(creat_func)PREFIX(creat),
(write_func)write,
PREFIX(remove),

2
apps/plugin.h
View file

@ -177,7 +177,7 @@ struct plugin_api {
int (*PREFIX(open))(const char* pathname, int flags);
int (*close)(int fd);
ssize_t (*read)(int fd, void* buf, size_t count);
off_t (*lseek)(int fd, off_t offset, int whence);
off_t (*PREFIX(lseek))(int fd, off_t offset, int whence);
int (*PREFIX(creat))(const char *pathname, mode_t mode);
ssize_t (*write)(int fd, const void* buf, size_t count);
int (*PREFIX(remove))(const char* pathname);

1
firmware/include/file.h
View file

@ -52,6 +52,7 @@
#define filesize(x) sim_filesize(x)
#define fsync(x) sim_fsync(x)
#define ftruncate(x,y) sim_ftruncate(x,y)
#define lseek(x,y,z) sim_lseek(x,y,z)
#endif
typedef int (*open_func)(const char* pathname, int flags);

24
uisimulator/common/io.c
View file

@ -145,7 +145,6 @@ void sim_closedir(MYDIR *dir)
free(dir);
}
int sim_open(const char *name, int o)
{
char buffer[256]; /* sufficiently big */
@ -153,7 +152,7 @@ int sim_open(const char *name, int o)
if(name[0] == '/') {
sprintf(buffer, "%s%s", SIMULATOR_ARCHOS_ROOT, name);
debugf("We open the real file '%s'\n", buffer);
#ifdef WIN32
return (open)(buffer, opts);
@ -166,11 +165,6 @@ int sim_open(const char *name, int o)
return -1;
}
int sim_close(int fd)
{
return (close)(fd);
}
int sim_creat(const char *name, mode_t mode)
{
char buffer[256]; /* sufficiently big */
@ -184,7 +178,7 @@ int sim_creat(const char *name, mode_t mode)
fprintf(stderr, "WARNING, bad file name lacks slash: %s\n",
name);
return -1;
}
}
int sim_mkdir(const char *name, mode_t mode)
{
@ -242,13 +236,19 @@ int sim_rename(const char *oldpath, const char* newpath)
return -1;
}
off_t sim_filesize(int fd)
/* rockbox off_t may be different from system off_t */
long sim_lseek(int fildes, long offset, int whence)
{
int old = lseek(fd, 0, SEEK_CUR);
int size = lseek(fd, 0, SEEK_END);
return lseek(fildes, offset, whence);
}
long sim_filesize(int fd)
{
long old = lseek(fd, 0, SEEK_CUR);
long size = lseek(fd, 0, SEEK_END);
lseek(fd, old, SEEK_SET);
return(size);
return size;
}
void fat_size(unsigned int* size, unsigned int* free)