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minix utils: de-inline bit ops (saves ~130 bytes)

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This commit is contained in:
Denis Vlasenko 2007-02-06 00:37:40 +00:00
parent dc485c9da6
commit cc24419e98
2 changed files with 40 additions and 18 deletions
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32
util-linux/fsck_minix.c
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@ -174,22 +174,34 @@ static char *zone_map;
static unsigned char *inode_count; static unsigned char *inode_count;
static unsigned char *zone_count; static unsigned char *zone_count;
static int bit(const char *a, unsigned i) /* Before you ask "where they come from?": */
/* setbit/clrbit are supplied by sys/param.h */
static int minix_bit(const char *a, unsigned i)
{ {
return (a[i >> 3] & (1<<(i & 7))); return (a[i >> 3] & (1<<(i & 7)));
} }
/* setbit/clrbit are supplied by sys/param.h */ static void minix_setbit(char *a, unsigned i)
{
setbit(a, i);
changed = 1;
}
static void minix_clrbit(char *a, unsigned i)
{
clrbit(a, i);
changed = 1;
}
/* Note: do not assume 0/1, it is 0/nonzero */ /* Note: do not assume 0/1, it is 0/nonzero */
#define zone_in_use(x) (bit(zone_map,(x)-FIRSTZONE+1)) #define zone_in_use(x) (minix_bit(zone_map,(x)-FIRSTZONE+1))
#define inode_in_use(x) (bit(inode_map,(x))) #define inode_in_use(x) (minix_bit(inode_map,(x)))
#define mark_inode(x) (setbit(inode_map,(x)),changed=1) #define mark_inode(x) (minix_setbit(inode_map,(x)))
#define unmark_inode(x) (clrbit(inode_map,(x)),changed=1) #define unmark_inode(x) (minix_clrbit(inode_map,(x)))
#define mark_zone(x) (setbit(zone_map,(x)-FIRSTZONE+1),changed=1) #define mark_zone(x) (minix_setbit(zone_map,(x)-FIRSTZONE+1))
#define unmark_zone(x) (clrbit(zone_map,(x)-FIRSTZONE+1),changed=1) #define unmark_zone(x) (minix_clrbit(zone_map,(x)-FIRSTZONE+1))
static void recursive_check(unsigned ino); static void recursive_check(unsigned ino);
@ -655,8 +667,8 @@ static struct minix1_inode *get_inode(unsigned nr)
if (repair) { if (repair) {
if (ask("Mark as 'in use'", 1)) if (ask("Mark as 'in use'", 1))
mark_inode(nr); mark_inode(nr);
} else { else
errors_uncorrected = 1; errors_uncorrected = 1;
} }
} }
if (S_ISDIR(inode->i_mode)) if (S_ISDIR(inode->i_mode))

26
util-linux/mkfs_minix.c
View File

@ -142,21 +142,31 @@ static ATTRIBUTE_ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE) #define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE)
#define NORM_FIRSTZONE (2 + SB_IMAPS + SB_ZMAPS + INODE_BLOCKS) #define NORM_FIRSTZONE (2 + SB_IMAPS + SB_ZMAPS + INODE_BLOCKS)
static int bit(const char* a, unsigned i) /* Before you ask "where they come from?": */
/* setbit/clrbit are supplied by sys/param.h */
static int minix_bit(const char* a, unsigned i)
{ {
return a[i >> 3] & (1<<(i & 7)); return a[i >> 3] & (1<<(i & 7));
} }
/* setbit/clrbit are supplied by sys/param.h */ static void minix_setbit(char *a, unsigned i)
{
setbit(a, i);
}
static void minix_clrbit(char *a, unsigned i)
{
clrbit(a, i);
}
/* Note: do not assume 0/1, it is 0/nonzero */ /* Note: do not assume 0/1, it is 0/nonzero */
#define zone_in_use(x) bit(zone_map,(x)-SB_FIRSTZONE+1) #define zone_in_use(x) minix_bit(zone_map,(x)-SB_FIRSTZONE+1)
/*#define inode_in_use(x) bit(inode_map,(x))*/ /*#define inode_in_use(x) minix_bit(inode_map,(x))*/
#define mark_inode(x) setbit(inode_map,(x)) #define mark_inode(x) minix_setbit(inode_map,(x))
#define unmark_inode(x) clrbit(inode_map,(x)) #define unmark_inode(x) minix_clrbit(inode_map,(x))
#define mark_zone(x) setbit(zone_map,(x)-SB_FIRSTZONE+1) #define mark_zone(x) minix_setbit(zone_map,(x)-SB_FIRSTZONE+1)
#define unmark_zone(x) clrbit(zone_map,(x)-SB_FIRSTZONE+1) #define unmark_zone(x) minix_clrbit(zone_map,(x)-SB_FIRSTZONE+1)
#ifndef BLKGETSIZE #ifndef BLKGETSIZE
# define BLKGETSIZE _IO(0x12,96) /* return device size */ # define BLKGETSIZE _IO(0x12,96) /* return device size */