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cache1d.c: allocate internal LZW buffers statically instead of with allocache.

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git-svn-id: https://svn.eduke32.com/eduke32@2366 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-02-20 19:52:04 +00:00
parent b305b31b1f
commit c88854b770
1 changed files with 6 additions and 34 deletions
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40
polymer/eduke32/build/src/cache1d.c
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@ -1168,8 +1168,10 @@ failure:
//Internal LZW variables
#define LZWSIZE 16384 //Watch out for shorts!
static char *lzwbuf1, *lzwbuf4, *lzwbuf5, lzwbuflock[5];
static int16_t *lzwbuf2, *lzwbuf3;
#define LZWSIZEPAD (LZWSIZE+(LZWSIZE>>4))
static char lzwbuf1[LZWSIZEPAD], lzwbuf4[LZWSIZE], lzwbuf5[LZWSIZEPAD];
static int16_t lzwbuf2[LZWSIZEPAD], lzwbuf3[LZWSIZEPAD];
static int32_t lzwcompress(const char *lzwinbuf, int32_t uncompleng, char *lzwoutbuf);
static int32_t lzwuncompress(const char *lzwinbuf, int32_t compleng, char *lzwoutbuf);
@ -1180,13 +1182,6 @@ int32_t kdfread(void *buffer, bsize_t dasizeof, bsize_t count, int32_t fil)
int16_t leng;
char *ptr;
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 200;
if (lzwbuf1 == NULL) allocache((intptr_t *)&lzwbuf1,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[0]);
if (lzwbuf2 == NULL) allocache((intptr_t *)&lzwbuf2,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[1]);
if (lzwbuf3 == NULL) allocache((intptr_t *)&lzwbuf3,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[2]);
if (lzwbuf4 == NULL) allocache((intptr_t *)&lzwbuf4,LZWSIZE,&lzwbuflock[3]);
if (lzwbuf5 == NULL) allocache((intptr_t *)&lzwbuf5,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[4]);
if (dasizeof > LZWSIZE) { count *= dasizeof; dasizeof = 1; }
ptr = (char *)buffer;
@ -1209,7 +1204,7 @@ int32_t kdfread(void *buffer, bsize_t dasizeof, bsize_t count, int32_t fil)
k += dasizeof;
ptr += dasizeof;
}
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 1;
return count;
}
@ -1220,13 +1215,6 @@ int32_t dfread(void *buffer, bsize_t dasizeof, bsize_t count, BFILE *fil)
int16_t leng;
char *ptr;
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 200;
if (lzwbuf1 == NULL) allocache((intptr_t *)&lzwbuf1,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[0]);
if (lzwbuf2 == NULL) allocache((intptr_t *)&lzwbuf2,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[1]);
if (lzwbuf3 == NULL) allocache((intptr_t *)&lzwbuf3,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[2]);
if (lzwbuf4 == NULL) allocache((intptr_t *)&lzwbuf4,LZWSIZE,&lzwbuflock[3]);
if (lzwbuf5 == NULL) allocache((intptr_t *)&lzwbuf5,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[4]);
if (dasizeof > LZWSIZE) { count *= dasizeof; dasizeof = 1; }
ptr = (char *)buffer;
@ -1249,7 +1237,7 @@ int32_t dfread(void *buffer, bsize_t dasizeof, bsize_t count, BFILE *fil)
k += dasizeof;
ptr += dasizeof;
}
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 1;
return count;
}
@ -1259,13 +1247,6 @@ void kdfwrite(const void *buffer, bsize_t dasizeof, bsize_t count, int32_t fil)
int16_t leng, swleng;
const char *ptr;
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 200;
if (lzwbuf1 == NULL) allocache((intptr_t *)&lzwbuf1,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[0]);
if (lzwbuf2 == NULL) allocache((intptr_t *)&lzwbuf2,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[1]);
if (lzwbuf3 == NULL) allocache((intptr_t *)&lzwbuf3,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[2]);
if (lzwbuf4 == NULL) allocache((intptr_t *)&lzwbuf4,LZWSIZE,&lzwbuflock[3]);
if (lzwbuf5 == NULL) allocache((intptr_t *)&lzwbuf5,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[4]);
if (dasizeof > LZWSIZE) { count *= dasizeof; dasizeof = 1; }
ptr = buffer;
@ -1294,7 +1275,6 @@ void kdfwrite(const void *buffer, bsize_t dasizeof, bsize_t count, int32_t fil)
leng = (int16_t)lzwcompress(lzwbuf4,k,lzwbuf5); swleng = B_LITTLE16(leng);
Bwrite(fil,&swleng,2); Bwrite(fil,lzwbuf5,(int32_t)leng);
}
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 1;
}
#endif
@ -1304,13 +1284,6 @@ void dfwrite(const void *buffer, bsize_t dasizeof, bsize_t count, BFILE *fil)
int16_t leng, swleng;
const char *ptr;
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 200;
if (lzwbuf1 == NULL) allocache((intptr_t *)&lzwbuf1,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[0]);
if (lzwbuf2 == NULL) allocache((intptr_t *)&lzwbuf2,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[1]);
if (lzwbuf3 == NULL) allocache((intptr_t *)&lzwbuf3,(LZWSIZE+(LZWSIZE>>4))*2,&lzwbuflock[2]);
if (lzwbuf4 == NULL) allocache((intptr_t *)&lzwbuf4,LZWSIZE,&lzwbuflock[3]);
if (lzwbuf5 == NULL) allocache((intptr_t *)&lzwbuf5,LZWSIZE+(LZWSIZE>>4),&lzwbuflock[4]);
if (dasizeof > LZWSIZE) { count *= dasizeof; dasizeof = 1; }
ptr = buffer;
@ -1339,7 +1312,6 @@ void dfwrite(const void *buffer, bsize_t dasizeof, bsize_t count, BFILE *fil)
leng = (int16_t)lzwcompress(lzwbuf4,k,lzwbuf5); swleng = B_LITTLE16(leng);
Bfwrite(&swleng,2,1,fil); Bfwrite(lzwbuf5,(int32_t)leng,1,fil);
}
lzwbuflock[0] = lzwbuflock[1] = lzwbuflock[2] = lzwbuflock[3] = lzwbuflock[4] = 1;
}
static int32_t lzwcompress(const char *lzwinbuf, int32_t uncompleng, char *lzwoutbuf)