diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/fpathconf.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/fpathconf.c | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/fpathconf.c b/sysdeps/unix/sysv/linux/alpha/fpathconf.c index d8c428dcda..b822daaf39 100644 --- a/sysdeps/unix/sysv/linux/alpha/fpathconf.c +++ b/sysdeps/unix/sysv/linux/alpha/fpathconf.c @@ -22,9 +22,7 @@ #include <limits.h> #include <sys/statfs.h> -#define EXT2_SUPER_MAGIC 0xef53 -#define UFS_MAGIC 0x00011954 -#define UFS_CIGAM 0x54190100 /* byteswapped MAGIC */ +#include <linux_fsinfo.h> static long int default_fpathconf (int fd, int name); @@ -55,6 +53,46 @@ __fpathconf (fd, name) /* This filesystem supported files >2GB. */ return 64; } + if (name == _PC_LINK_MAX) + { + struct statfs fsbuf; + + /* Determine the filesystem type. */ + if (__fstatfs (fd, &fsbuf) < 0) + /* not possible, return the default value. */ + return LINK_MAX; + + switch (fsbuf.f_type) + { + case EXT2_SUPER_MAGIC: + return EXT2_LINK_MAX; + + case MINIX_SUPER_MAGIC: + case MINIX_SUPER_MAGIC2: + return MINIX_LINK_MAX; + + case MINIX2_SUPER_MAGIC: + case MINIX2_SUPER_MAGIC2: + return MINIX2_LINK_MAX; + + case XENIX_SUPER_MAGIC: + return XENIX_LINK_MAX; + + case SYSV4_SUPER_MAGIC: + case SYSV2_SUPER_MAGIC: + return SYSV_LINK_MAX; + + case COH_SUPER_MAGIC: + return COH_LINK_MAX; + + case UFS_MAGIC: + case UFS_CIGAM: + return UFS_LINK_MAX; + + default: + return LINK_MAX; + } + } /* Fallback to the generic version. */ return default_fpathconf (fd, name); |