strace/statfs.c
Dmitry V. Levin 9e6a7bf202 Use AC_CHECK_TYPES to check for struct statfs64
* m4/statfs.m4: Remove.
* configure.ac (AC_STATFS64): Remove.
(AC_CHECK_TYPES): Add struct statfs64.
* statfs.c: Replace HAVE_STATFS64 with HAVE_STRUCT_STATFS64.
2015-01-08 04:12:29 +00:00

228 lines
5.2 KiB
C

#include "defs.h"
#ifdef HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif
#include "xlat/fsmagic.h"
static const char *
sprintfstype(const unsigned int magic)
{
static char buf[32];
const char *s;
s = xlat_search(fsmagic, ARRAY_SIZE(fsmagic), magic);
if (s) {
sprintf(buf, "\"%s\"", s);
return buf;
}
sprintf(buf, "%#x", magic);
return buf;
}
static void
printstatfs(struct tcb *tcp, const long addr)
{
struct statfs statbuf;
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
#ifdef ALPHA
tprintf("{f_type=%s, f_fbsize=%u, f_blocks=%u, f_bfree=%u, ",
sprintfstype(statbuf.f_type),
statbuf.f_bsize, statbuf.f_blocks, statbuf.f_bfree);
tprintf("f_bavail=%u, f_files=%u, f_ffree=%u, f_fsid={%d, %d}, f_namelen=%u",
statbuf.f_bavail, statbuf.f_files, statbuf.f_ffree,
statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1],
statbuf.f_namelen);
#else /* !ALPHA */
tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%lu, f_bfree=%lu, ",
sprintfstype(statbuf.f_type),
(unsigned long)statbuf.f_bsize,
(unsigned long)statbuf.f_blocks,
(unsigned long)statbuf.f_bfree);
tprintf("f_bavail=%lu, f_files=%lu, f_ffree=%lu, f_fsid={%d, %d}",
(unsigned long)statbuf.f_bavail,
(unsigned long)statbuf.f_files,
(unsigned long)statbuf.f_ffree,
statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
#endif /* !ALPHA */
#ifdef _STATFS_F_FRSIZE
tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
#endif
tprints("}");
}
int
sys_statfs(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstatfs(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_fstatfs(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstatfs(tcp, tcp->u_arg[1]);
}
return 0;
}
#ifdef HAVE_STRUCT_STATFS64
static void
printstatfs64(struct tcb *tcp, long addr)
{
struct statfs64 statbuf;
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
tprintf("{f_type=%s, f_bsize=%llu, f_blocks=%llu, f_bfree=%llu, ",
sprintfstype(statbuf.f_type),
(unsigned long long)statbuf.f_bsize,
(unsigned long long)statbuf.f_blocks,
(unsigned long long)statbuf.f_bfree);
tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
(unsigned long long)statbuf.f_bavail,
(unsigned long long)statbuf.f_files,
(unsigned long long)statbuf.f_ffree,
statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
#ifdef _STATFS_F_FRSIZE
tprintf(", f_frsize=%llu", (unsigned long long)statbuf.f_frsize);
#endif
#ifdef _STATFS_F_FLAGS
tprintf(", f_flags=%llu", (unsigned long long)statbuf.f_flags);
#endif
tprints("}");
}
struct compat_statfs64 {
uint32_t f_type;
uint32_t f_bsize;
uint64_t f_blocks;
uint64_t f_bfree;
uint64_t f_bavail;
uint64_t f_files;
uint64_t f_ffree;
fsid_t f_fsid;
uint32_t f_namelen;
uint32_t f_frsize;
uint32_t f_flags;
uint32_t f_spare[4];
}
#if defined(X86_64) || defined(IA64)
__attribute__ ((packed, aligned(4)))
#endif
;
static void
printcompat_statfs64(struct tcb *tcp, const long addr)
{
struct compat_statfs64 statbuf;
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%llu, f_bfree=%llu, ",
sprintfstype(statbuf.f_type),
(unsigned long)statbuf.f_bsize,
(unsigned long long)statbuf.f_blocks,
(unsigned long long)statbuf.f_bfree);
tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
(unsigned long long)statbuf.f_bavail,
(unsigned long long)statbuf.f_files,
(unsigned long long)statbuf.f_ffree,
statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
tprintf(", f_flags=%lu}", (unsigned long)statbuf.f_frsize);
}
int
sys_statfs64(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprintf(", %lu, ", tcp->u_arg[1]);
} else {
if (tcp->u_arg[1] == sizeof(struct statfs64))
printstatfs64(tcp, tcp->u_arg[2]);
else if (tcp->u_arg[1] == sizeof(struct compat_statfs64))
printcompat_statfs64(tcp, tcp->u_arg[2]);
else
tprints("{???}");
}
return 0;
}
int
sys_fstatfs64(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprintf(", %lu, ", tcp->u_arg[1]);
} else {
if (tcp->u_arg[1] == sizeof(struct statfs64))
printstatfs64(tcp, tcp->u_arg[2]);
else if (tcp->u_arg[1] == sizeof(struct compat_statfs64))
printcompat_statfs64(tcp, tcp->u_arg[2]);
else
tprints("{???}");
}
return 0;
}
#endif /* HAVE_STRUCT_STATFS64 */
#ifdef ALPHA
int
osf_statfs(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstatfs(tcp, tcp->u_arg[1]);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
int
osf_fstatfs(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%lu, ", tcp->u_arg[0]);
} else {
printstatfs(tcp, tcp->u_arg[1]);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
#endif /* ALPHA */