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Handle _PC_LINK_MAX here.

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This commit is contained in:
Ulrich Drepper 1998-10-23 13:41:33 +00:00
parent 96b2e43371
commit 3e79e19491
2 changed files with 82 additions and 6 deletions
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44
sysdeps/unix/sysv/linux/alpha/fpathconf.c
View file

@ -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);

44
sysdeps/unix/sysv/linux/alpha/pathconf.c
View file

@ -23,9 +23,7 @@
#include <fcntl.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_pathconf (const char *path, int name);
@ -48,6 +46,46 @@ __pathconf (const char *path, int name)
/* This filesystem supported files >2GB. */
return 64;
}
if (name == _PC_LINK_MAX)
{
struct statfs fsbuf;
/* Determine the filesystem type. */
if (__statfs (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_pathconf (path, name);