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A number of cleanups. Now compiles with libc5, glibc, and uClibc. Fix a few

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shadowed variables.  Move (almost) all syscalls to libbb/syscalls.c, so I can
handle them sanely and all at once.
 -Erik
This commit is contained in:
Eric Andersen
2001-04-05 03:14:39 +00:00
parent 3c0364f391
commit e76c3b08e1
33 changed files with 168 additions and 204 deletions
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1
libbb/libbb.h
View File

@ -211,5 +211,6 @@ enum {
};
int ask_confirmation(void);
int klogctl(int type, char * b, int len);
#endif /* __LIBBB_H__ */

72
libbb/syscalls.c
View File

@ -32,18 +32,63 @@
#include "libbb.h"
_syscall3(int, sysfs, int, option, unsigned int, fs_index, char *, buf);
_syscall1(int, sysinfo, struct sysinfo *, info);
#ifndef __NR_pivot_root
#warning This kernel does not support the pivot_root syscall
#warning -> The pivot_root system call is being stubbed out...
int pivot_root(const char * new_root,const char * put_old)
{
/* BusyBox was compiled against a kernel that did not support
* the pivot_root system call. To make this application work,
* you will need to recompile with a kernel supporting the
* pivot_root system call.
*/
fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
fprintf(stderr, "with a kernel supporting the pivot_root system call. -Erik\n\n");
errno=ENOSYS;
return -1;
}
#else
_syscall2(int,pivot_root,const char *,new_root,const char *,put_old)
#endif
/* Include our own version of <sys/mount.h>, since libc5 doesn't
* know about umount2 */
extern _syscall1(int, umount, const char *, special_file);
extern _syscall5(int, mount, const char *, special_file, const char *, dir,
const char *, fstype, unsigned long int, rwflag, const void *, data);
#if __GNU_LIBRARY__ < 5
/* These syscalls are not included as part of libc5 */
_syscall2(int, bdflush, int, func, int, data);
_syscall1(int, delete_module, const char *, name)
#ifndef __NR_query_module
#warning This kernel does not support the query_module syscall
#warning -> The query_module system call is being stubbed out...
int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
{
/* BusyBox was compiled against a kernel that did not support
* the query_module system call. To make this application work,
* you will need to recompile with a kernel supporting the
* query_module system call.
*/
fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
fprintf(stderr, "with a kernel supporting the query_module system call. -Erik\n\n");
errno=ENOSYS;
return -1;
}
#else
_syscall5(int, query_module, const char *, name, int, which,
void *, buf, size_t, bufsize, size_t*, ret);
#endif
#ifndef __alpha__
# define __NR_klogctl __NR_syslog
_syscall3(int, klogctl, int, type, char *, b, int, len);
#endif
#ifndef __NR_umount2
# warning This kernel does not support the umount2 syscall
# warning The umount2 system call is being stubbed out...
# warning -> The umount2 system call is being stubbed out...
int umount2(const char * special_file, int flags)
{
/* BusyBox was compiled against a kernel that did not support
@ -57,14 +102,17 @@ int umount2(const char * special_file, int flags)
return -1;
}
# else
extern _syscall2(int, umount2, const char *, special_file, int, flags);
_syscall2(int, umount2, const char *, special_file, int, flags);
#endif
#ifndef __NR_query_module
static const int __NR_query_module = 167;
#endif /* __GNU_LIBRARY__ < 5 */
#if 0
_syscall1(int, sysinfo, struct sysinfo *, info);
#endif
_syscall5(int, query_module, const char *, name, int, which,
void *, buf, size_t, bufsize, size_t*, ret);
/* END CODE */
/*