diff options
Diffstat (limited to 'contrib/pg_trgm/trgm.h')
| -rw-r--r-- | contrib/pg_trgm/trgm.h | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/contrib/pg_trgm/trgm.h b/contrib/pg_trgm/trgm.h index a56edca1297..73c4cb6aa6f 100644 --- a/contrib/pg_trgm/trgm.h +++ b/contrib/pg_trgm/trgm.h @@ -11,53 +11,54 @@ #include "storage/bufpage.h" /* options */ -#define LPADDING 2 -#define RPADDING 1 +#define LPADDING 2 +#define RPADDING 1 #define KEEPONLYALNUM -#define IGNORECASE +#define IGNORECASE #define DIVUNION typedef char trgm[3]; #define CMPCHAR(a,b) ( ((a)==(b)) ? 0 : ( ((a)<(b)) ? -1 : 1 ) ) -#define CMPPCHAR(a,b,i) CMPCHAR( *(((char*)(a))+i), *(((char*)(b))+i) ) +#define CMPPCHAR(a,b,i) CMPCHAR( *(((char*)(a))+i), *(((char*)(b))+i) ) #define CMPTRGM(a,b) ( CMPPCHAR(a,b,0) ? CMPPCHAR(a,b,0) : ( CMPPCHAR(a,b,1) ? CMPPCHAR(a,b,1) : CMPPCHAR(a,b,2) ) ) -#define CPTRGM(a,b) do { \ +#define CPTRGM(a,b) do { \ *(((char*)(a))+0) = *(((char*)(b))+0); \ *(((char*)(a))+1) = *(((char*)(b))+1); \ *(((char*)(a))+2) = *(((char*)(b))+2); \ } while(0); -typedef struct { - int4 len; - uint8 flag; - char data[1]; -} TRGM; +typedef struct +{ + int4 len; + uint8 flag; + char data[1]; +} TRGM; -#define TRGMHRDSIZE (sizeof(int4)+sizeof(uint8)) +#define TRGMHRDSIZE (sizeof(int4)+sizeof(uint8)) /* gist */ #define BITBYTE 8 -#define SIGLENINT 3 /* >122 => key will toast, so very slow!!! */ -#define SIGLEN ( sizeof(int)*SIGLENINT ) +#define SIGLENINT 3 /* >122 => key will toast, so very slow!!! */ +#define SIGLEN ( sizeof(int)*SIGLENINT ) -#define SIGLENBIT (SIGLEN*BITBYTE - 1) /* see makesign */ +#define SIGLENBIT (SIGLEN*BITBYTE - 1) /* see makesign */ typedef char BITVEC[SIGLEN]; typedef char *BITVECP; #define LOOPBYTE(a) \ - for(i=0;i<SIGLEN;i++) {\ - a;\ - } + for(i=0;i<SIGLEN;i++) {\ + a;\ + } #define LOOPBIT(a) \ - for(i=0;i<SIGLENBIT;i++) {\ - a;\ - } + for(i=0;i<SIGLENBIT;i++) {\ + a;\ + } #define GETBYTE(x,i) ( *( (BITVECP)(x) + (int)( (i) / BITBYTE ) ) ) #define GETBITBYTE(x,i) ( ((char)(x)) >> i & 0x01 ) @@ -68,21 +69,21 @@ typedef char *BITVECP; #define HASHVAL(val) (((unsigned int)(val)) % SIGLENBIT) #define HASH(sign, val) SETBIT((sign), HASHVAL(val)) -#define ARRKEY 0x01 -#define SIGNKEY 0x02 -#define ALLISTRUE 0x04 - +#define ARRKEY 0x01 +#define SIGNKEY 0x02 +#define ALLISTRUE 0x04 + #define ISARRKEY(x) ( ((TRGM*)x)->flag & ARRKEY ) -#define ISSIGNKEY(x) ( ((TRGM*)x)->flag & SIGNKEY ) -#define ISALLTRUE(x) ( ((TRGM*)x)->flag & ALLISTRUE ) +#define ISSIGNKEY(x) ( ((TRGM*)x)->flag & SIGNKEY ) +#define ISALLTRUE(x) ( ((TRGM*)x)->flag & ALLISTRUE ) #define CALCGTSIZE(flag, len) ( TRGMHRDSIZE + ( ( (flag) & ARRKEY ) ? ((len)*sizeof(trgm)) : (((flag) & ALLISTRUE) ? 0 : SIGLEN) ) ) -#define GETSIGN(x) ( (BITVECP)( (char*)x+TRGMHRDSIZE ) ) -#define GETARR(x) ( (trgm*)( (char*)x+TRGMHRDSIZE ) ) +#define GETSIGN(x) ( (BITVECP)( (char*)x+TRGMHRDSIZE ) ) +#define GETARR(x) ( (trgm*)( (char*)x+TRGMHRDSIZE ) ) #define ARRNELEM(x) ( ( ((TRGM*)x)->len - TRGMHRDSIZE )/sizeof(trgm) ) extern float4 trgm_limit; -TRGM* generate_trgm(char *str, int slen); -float4 cnt_sml(TRGM *trg1, TRGM *trg2); +TRGM *generate_trgm(char *str, int slen); +float4 cnt_sml(TRGM * trg1, TRGM * trg2); #endif |