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diff: shrink code (-85 bytes):

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function                                             old     new   delta
fiddle_sum                                             8       -      -8
diffreg                                             2717    2690     -27
prepare                                              334     284     -50
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/2 up/down: 0/-85)             Total: -85 bytes

s/ATTRIBUTE_ALWAYS_INLINE/ALWAYS_INLINE/g
This commit is contained in:
Denis Vlasenko 2007-06-12 20:54:54 +00:00
parent fdcbc4e709
commit 3ad5d0cbbe
11 changed files with 69 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
archival/libunarchive/decompress_unlzma.c
View File

@ -13,7 +13,7 @@
#include "unarchive.h"
#ifdef CONFIG_FEATURE_LZMA_FAST
# define speed_inline ATTRIBUTE_ALWAYS_INLINE
# define speed_inline ALWAYS_INLINE
#else
# define speed_inline
#endif
@ -78,7 +78,7 @@ static rc_t* rc_init(int fd) /*, int buffer_size) */
}
/* Called once */
static ATTRIBUTE_ALWAYS_INLINE void rc_free(rc_t * rc)
static ALWAYS_INLINE void rc_free(rc_t * rc)
{
if (ENABLE_FEATURE_CLEAN_UP)
free(rc);
@ -92,7 +92,7 @@ static void rc_do_normalize(rc_t * rc)
rc->range <<= 8;
rc->code = (rc->code << 8) | *rc->ptr++;
}
static ATTRIBUTE_ALWAYS_INLINE void rc_normalize(rc_t * rc)
static ALWAYS_INLINE void rc_normalize(rc_t * rc)
{
if (rc->range < (1 << RC_TOP_BITS)) {
rc_do_normalize(rc);
@ -109,7 +109,7 @@ static speed_inline uint32_t rc_is_bit_0_helper(rc_t * rc, uint16_t * p)
rc->bound = *p * (rc->range >> RC_MODEL_TOTAL_BITS);
return rc->bound;
}
static ATTRIBUTE_ALWAYS_INLINE int rc_is_bit_0(rc_t * rc, uint16_t * p)
static ALWAYS_INLINE int rc_is_bit_0(rc_t * rc, uint16_t * p)
{
uint32_t t = rc_is_bit_0_helper(rc, p);
return rc->code < t;
@ -143,7 +143,7 @@ static int rc_get_bit(rc_t * rc, uint16_t * p, int *symbol)
}
/* Called once */
static ATTRIBUTE_ALWAYS_INLINE int rc_direct_bit(rc_t * rc)
static ALWAYS_INLINE int rc_direct_bit(rc_t * rc)
{
rc_normalize(rc);
rc->range >>= 1;

2
editors/awk.c
View File

@ -677,7 +677,7 @@ static char nextchar(char **s)
return c;
}
static int ATTRIBUTE_ALWAYS_INLINE isalnum_(int c)
static int ALWAYS_INLINE isalnum_(int c)
{
return (isalnum(c) || c == '_');
}

54
editors/diff.c
View File

@ -65,6 +65,8 @@
#define FLAG_U (1<<12)
#define FLAG_w (1<<13)
#define g_read_buf bb_common_bufsiz1
struct cand {
int x;
int y;
@ -208,14 +210,14 @@ static void print_status(int val, char *path1, char *path2, char *entry)
free(_path2);
}
}
static void fiddle_sum(int *sum, int t)
static ALWAYS_INLINE int fiddle_sum(int sum, int t)
{
*sum = (int)(*sum * 127 + t);
return sum * 127 + t;
}
/*
* Hash function taken from Robert Sedgewick, Algorithms in C, 3d ed., p 578.
*/
static int readhash(FILE * f)
static int readhash(FILE *fp)
{
int i, t, space;
int sum;
@ -223,17 +225,17 @@ static int readhash(FILE * f)
sum = 1;
space = 0;
if (!(option_mask32 & (FLAG_b | FLAG_w))) {
for (i = 0; (t = getc(f)) != '\n'; i++) {
for (i = 0; (t = getc(fp)) != '\n'; i++) {
if (t == EOF) {
if (i == 0)
return 0;
break;
}
fiddle_sum(&sum, t);
sum = fiddle_sum(sum, t);
}
} else {
for (i = 0;;) {
switch (t = getc(f)) {
switch (t = getc(fp)) {
case '\t':
case '\r':
case '\v':
@ -246,7 +248,7 @@ static int readhash(FILE * f)
i++;
space = 0;
}
fiddle_sum(&sum, t);
sum = fiddle_sum(sum, t);
i++;
continue;
case EOF:
@ -271,7 +273,7 @@ static int readhash(FILE * f)
* Check to see if the given files differ.
* Returns 0 if they are the same, 1 if different, and -1 on error.
*/
static int files_differ(FILE * f1, FILE * f2, int flags)
static int files_differ(FILE *f1, FILE *f2, int flags)
{
size_t i, j;
@ -281,37 +283,37 @@ static int files_differ(FILE * f1, FILE * f2, int flags)
return 1;
}
while (1) {
i = fread(bb_common_bufsiz1, 1, BUFSIZ/2, f1);
j = fread(bb_common_bufsiz1 + BUFSIZ/2, 1, BUFSIZ/2, f2);
i = fread(g_read_buf, 1, COMMON_BUFSIZE/2, f1);
j = fread(g_read_buf + COMMON_BUFSIZE/2, 1, COMMON_BUFSIZE/2, f2);
if (i != j)
return 1;
if (i == 0)
return (ferror(f1) || ferror(f2));
if (memcmp(bb_common_bufsiz1,
bb_common_bufsiz1 + BUFSIZ/2, i) != 0)
if (memcmp(g_read_buf,
g_read_buf + COMMON_BUFSIZE/2, i) != 0)
return 1;
}
}
static void prepare(int i, FILE * fd, off_t filesize)
static void prepare(int i, FILE *fp /*, off_t filesize*/)
{
struct line *p;
int h;
size_t j, sz;
rewind(fd);
rewind(fp);
sz = (filesize <= FSIZE_MAX ? filesize : FSIZE_MAX) / 25;
if (sz < 100)
sz = 100;
/*sz = (filesize <= FSIZE_MAX ? filesize : FSIZE_MAX) / 25;*/
/*if (sz < 100)*/
sz = 100;
p = xmalloc((sz + 3) * sizeof(struct line));
p = xmalloc((sz + 3) * sizeof(p[0]));
j = 0;
while ((h = readhash(fd))) {
while ((h = readhash(fp))) {
if (j == sz) {
sz = sz * 3 / 2;
p = xrealloc(p, (sz + 3) * sizeof(struct line));
p = xrealloc(p, (sz + 3) * sizeof(p[0]));
}
p[++j].value = h;
}
@ -694,10 +696,10 @@ static int asciifile(FILE * f)
#if ENABLE_FEATURE_DIFF_BINARY
rewind(f);
cnt = fread(bb_common_bufsiz1, 1, BUFSIZ, f);
cnt = fread(g_read_buf, 1, COMMON_BUFSIZE, f);
for (i = 0; i < cnt; i++) {
if (!isprint(bb_common_bufsiz1[i])
&& !isspace(bb_common_bufsiz1[i])) {
if (!isprint(g_read_buf[i])
&& !isspace(g_read_buf[i])) {
return 0;
}
}
@ -937,7 +939,7 @@ static void output(char *file1, FILE * f1, char *file2, FILE * f2)
* 3*(number of k-candidates installed), typically about
* 6n words for files of length n.
*/
static unsigned diffreg(char * ofile1, char * ofile2, int flags)
static unsigned diffreg(char *ofile1, char *ofile2, int flags)
{
char *file1 = ofile1;
char *file2 = ofile2;
@ -987,8 +989,8 @@ static unsigned diffreg(char * ofile1, char * ofile2, int flags)
goto closem;
}
prepare(0, f1, stb1.st_size);
prepare(1, f2, stb2.st_size);
prepare(0, f1 /*, stb1.st_size*/);
prepare(1, f2 /*, stb2.st_size*/);
prune();
sort(sfile[0], slen[0]);
sort(sfile[1], slen[1]);

6
include/libbb.h
View File

@ -379,9 +379,9 @@ extern char *safe_strncpy(char *dst, const char *src, size_t size);
extern char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
// gcc-4.1.1 still isn't good enough at optimizing it
// (+200 bytes compared to macro)
//static ATTRIBUTE_ALWAYS_INLINE
//static ALWAYS_INLINE
//int LONE_DASH(const char *s) { return s[0] == '-' && !s[1]; }
//static ATTRIBUTE_ALWAYS_INLINE
//static ALWAYS_INLINE
//int NOT_LONE_DASH(const char *s) { return s[0] != '-' || s[1]; }
#define LONE_DASH(s) ((s)[0] == '-' && !(s)[1])
#define NOT_LONE_DASH(s) ((s)[0] != '-' || (s)[1])
@ -611,7 +611,7 @@ int write_pidfile(const char *path);
#define remove_pidfile(f) ((void)unlink(f))
#else
/* Why? #defining it to 1 gives "warning: statement with no effect"... */
static ATTRIBUTE_ALWAYS_INLINE int write_pidfile(const char *path) { return 1; }
static ALWAYS_INLINE int write_pidfile(const char *path) { return 1; }
#define remove_pidfile(f) ((void)0)
#endif

6
include/platform.h
View File

@ -53,14 +53,14 @@
# define ATTRIBUTE_PACKED __attribute__ ((__packed__))
# define ATTRIBUTE_ALIGNED(m) __attribute__ ((__aligned__(m)))
# if __GNUC_PREREQ (3,0)
# define ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline)) inline
# define ALWAYS_INLINE __attribute__ ((always_inline)) inline
# if !ENABLE_WERROR
# define ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__))
# else
# define ATTRIBUTE_DEPRECATED /* n/a */
# endif
# else
# define ATTRIBUTE_ALWAYS_INLINE inline
# define ALWAYS_INLINE inline
# define ATTRIBUTE_DEPRECATED /* n/a */
# endif
@ -238,7 +238,7 @@ typedef unsigned smalluint;
#endif
#if defined(__dietlibc__)
static ATTRIBUTE_ALWAYS_INLINE char* strchrnul(const char *s, char c)
static ALWAYS_INLINE char* strchrnul(const char *s, char c)
{
while (*s && *s != c) ++s;
return (char*)s;

44
include/xatonum.h
View File

@ -33,46 +33,46 @@ DECLARE_STR_CONV(long long, ll, ull)
/* (useful for mapping them to the type of the same width) */
#define DEFINE_EQUIV_STR_CONV(narrow, N, W, UN, UW) \
\
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xstrto##UN##_range_sfx(const char *str, int b, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \
{ return xstrto##UW##_range_sfx(str, b, l, u, sfx); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xstrto##UN##_range(const char *str, int b, unsigned narrow l, unsigned narrow u) \
{ return xstrto##UW##_range(str, b, l, u); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xstrto##UN##_sfx(const char *str, int b, const struct suffix_mult *sfx) \
{ return xstrto##UW##_sfx(str, b, sfx); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xstrto##UN(const char *str, int b) \
{ return xstrto##UW(str, b); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xato##UN##_range_sfx(const char *str, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \
{ return xato##UW##_range_sfx(str, l, u, sfx); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xato##UN##_range(const char *str, unsigned narrow l, unsigned narrow u) \
{ return xato##UW##_range(str, l, u); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xato##UN##_sfx(const char *str, const struct suffix_mult *sfx) \
{ return xato##UW##_sfx(str, sfx); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
unsigned narrow xato##UN(const char *str) \
{ return xato##UW(str); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
narrow xstrto##N##_range_sfx(const char *str, int b, narrow l, narrow u, const struct suffix_mult *sfx) \
{ return xstrto##W##_range_sfx(str, b, l, u, sfx); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
narrow xstrto##N##_range(const char *str, int b, narrow l, narrow u) \
{ return xstrto##W##_range(str, b, l, u); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
narrow xato##N##_range_sfx(const char *str, narrow l, narrow u, const struct suffix_mult *sfx) \
{ return xato##W##_range_sfx(str, l, u, sfx); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
narrow xato##N##_range(const char *str, narrow l, narrow u) \
{ return xato##W##_range(str, l, u); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
narrow xato##N##_sfx(const char *str, const struct suffix_mult *sfx) \
{ return xato##W##_sfx(str, sfx); } \
static ATTRIBUTE_ALWAYS_INLINE \
static ALWAYS_INLINE \
narrow xato##N(const char *str) \
{ return xato##W(str); } \
@ -96,7 +96,7 @@ DECLARE_STR_CONV(int, i, u)
/* Specialized */
int BUG_xatou32_unimplemented(void);
static ATTRIBUTE_ALWAYS_INLINE uint32_t xatou32(const char *numstr)
static ALWAYS_INLINE uint32_t xatou32(const char *numstr)
{
if (UINT_MAX == 0xffffffff)
return xatou(numstr);
@ -111,10 +111,10 @@ unsigned long long bb_strtoull(const char *arg, char **endp, int base);
long long bb_strtoll(const char *arg, char **endp, int base);
#if ULONG_MAX == ULLONG_MAX
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
unsigned long bb_strtoul(const char *arg, char **endp, int base)
{ return bb_strtoull(arg, endp, base); }
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
long bb_strtol(const char *arg, char **endp, int base)
{ return bb_strtoll(arg, endp, base); }
#else
@ -123,17 +123,17 @@ long bb_strtol(const char *arg, char **endp, int base);
#endif
#if UINT_MAX == ULLONG_MAX
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
unsigned bb_strtou(const char *arg, char **endp, int base)
{ return bb_strtoull(arg, endp, base); }
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
int bb_strtoi(const char *arg, char **endp, int base)
{ return bb_strtoll(arg, endp, base); }
#elif UINT_MAX == ULONG_MAX
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
unsigned bb_strtou(const char *arg, char **endp, int base)
{ return bb_strtoul(arg, endp, base); }
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
int bb_strtoi(const char *arg, char **endp, int base)
{ return bb_strtol(arg, endp, base); }
#else
@ -142,7 +142,7 @@ int bb_strtoi(const char *arg, char **endp, int base);
#endif
int BUG_bb_strtou32_unimplemented(void);
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
uint32_t bb_strtou32(const char *arg, char **endp, int base)
{
if (sizeof(uint32_t) == sizeof(unsigned))

2
libbb/xatonum.c
View File

@ -34,7 +34,7 @@
#endif
#if UINT_MAX != ULONG_MAX
static ATTRIBUTE_ALWAYS_INLINE
static ALWAYS_INLINE
unsigned bb_strtoui(const char *str, char **end, int b)
{
unsigned long v = strtoul(str, end, b);

2
networking/zcip.c
View File

@ -149,7 +149,7 @@ static int run(char *argv[3], const char *intf, struct in_addr *ip)
/**
* Return milliseconds of random delay, up to "secs" seconds.
*/
static unsigned ATTRIBUTE_ALWAYS_INLINE ms_rdelay(unsigned secs)
static unsigned ALWAYS_INLINE ms_rdelay(unsigned secs)
{
return lrand48() % (secs * 1000);
}

6
util-linux/fdisk.c
View File

@ -402,14 +402,14 @@ set_all_unchanged(void)
ptes[i].changed = 0;
}
static ATTRIBUTE_ALWAYS_INLINE void
static ALWAYS_INLINE void
set_changed(int i)
{
ptes[i].changed = 1;
}
#endif /* FEATURE_FDISK_WRITABLE */
static ATTRIBUTE_ALWAYS_INLINE struct partition *
static ALWAYS_INLINE struct partition *
get_part_table(int i)
{
return ptes[i].part_table;
@ -430,7 +430,7 @@ valid_part_table_flag(const char *mbuffer)
}
#if ENABLE_FEATURE_FDISK_WRITABLE
static ATTRIBUTE_ALWAYS_INLINE void
static ALWAYS_INLINE void
write_part_table_flag(char *b)
{
b[510] = 0x55;

2
util-linux/fsck_minix.c
View File

@ -159,7 +159,7 @@ static struct {
#define MAGIC (Super.s_magic)
/* gcc likes this more (code is smaller) than macro variant */
static ATTRIBUTE_ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
static ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
{
return (size + n-1) / n;
}

2
util-linux/mkfs_minix.c
View File

@ -121,7 +121,7 @@ struct globals {
#define G (*ptr_to_globals)
static ATTRIBUTE_ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
static ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
{
return (size + n-1) / n;
}