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calma: use 'const' with readonly data 

This then required a cascade of function APIs to also now receive
const arguments.

This reduces the .data segment use of this module.
This commit is contained in:
Darryl L. Miles 2024-10-04 11:19:10 +01:00 committed by Tim Edwards
parent 378755e083
commit 4cd1235575
7 changed files with 44 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
calma/CalmaRdcl.c
View File

@ -350,7 +350,7 @@ bool
calmaParseStructure(
char *filename) /* Name of the GDS file read */
{
static int structs[] = { CALMA_STRCLASS, CALMA_STRTYPE, -1 };
static const int structs[] = { CALMA_STRCLASS, CALMA_STRTYPE, -1 };
int nbytes = -1, rtype = 0, nsrefs, osrefs, npaths;
char *strname = NULL;
HashEntry *he;
@ -680,7 +680,7 @@ calmaParseElement(
int *pnsrefs,
int *pnpaths)
{
static int node[] = { CALMA_ELFLAGS, CALMA_PLEX, CALMA_LAYER,
static const int node[] = { CALMA_ELFLAGS, CALMA_PLEX, CALMA_LAYER,
CALMA_NODETYPE, CALMA_XY, -1 };
int nbytes, rtype, madeinst;
@ -1351,7 +1351,7 @@ calmaUniqueCell(
CellDef *
calmaFindCell(
char *name, /* Name of desired cell */
const char *name, /* Name of desired cell */
bool *was_called, /* If this cell is in the hash table, then it
* was instanced before it was defined. We
* need to know this so as to avoid flattening

4
calma/CalmaRdio.c
View File

@ -490,9 +490,9 @@ calmaReadR8(
void
calmaSkipSet(
int *skipwhat)
const int *skipwhat)
{
int *skipp;
const int *skipp;
int nbytes, rtype;
for (;;)

2
calma/CalmaRdpt.c
View File

@ -732,7 +732,7 @@ calmaElementPath(void)
void
calmaElementText(void)
{
static int ignore[] = { CALMA_PATHTYPE, CALMA_WIDTH, -1 };
static const int ignore[] = { CALMA_PATHTYPE, CALMA_WIDTH, -1 };
char *textbody = NULL;
int nbytes = -1, rtype = 0;
int layer, textt, cifnum, textpres;

10
calma/CalmaRead.c
View File

@ -147,7 +147,7 @@ HashTable calmaLayerHash;
HashTable calmaDefInitHash;
/* Common stuff to ignore */
int calmaElementIgnore[] = { CALMA_ELFLAGS, CALMA_PLEX, -1 };
const int calmaElementIgnore[] = { CALMA_ELFLAGS, CALMA_PLEX, -1 };
/*
* ----------------------------------------------------------------------------
@ -174,10 +174,10 @@ CalmaReadFile(
int k, version;
char *libname = NULL, *libnameptr = NULL;
MagWindow *mw;
static int hdrSkip[] = { CALMA_FORMAT, CALMA_MASK, CALMA_ENDMASKS,
static const int hdrSkip[] = { CALMA_FORMAT, CALMA_MASK, CALMA_ENDMASKS,
CALMA_REFLIBS, CALMA_FONTS, CALMA_ATTRTABLE,
CALMA_STYPTABLE, CALMA_GENERATIONS, -1 };
static int skipBeforeLib[] = { CALMA_LIBDIRSIZE, CALMA_SRFNAME,
static const int skipBeforeLib[] = { CALMA_LIBDIRSIZE, CALMA_SRFNAME,
CALMA_LIBSECUR, -1 };
if (EditCellUse == (CellUse *)NULL)
@ -558,12 +558,12 @@ calmaUnexpected(
* ----------------------------------------------------------------------------
*/
char *
const char *
calmaRecordName(
int rtype)
{
static char numeric[10];
static char *calmaRecordNames[] =
static const char * const calmaRecordNames[] =
{
"HEADER", "BGNLIB", "LIBNAME", "UNITS",
"ENDLIB", "BGNSTR", "STRNAME", "ENDSTR",

25
calma/CalmaWrite.c
View File

@ -102,7 +102,7 @@ extern void calmaWriteLabelFunc(Label *lab, int ltype, int type, FILE *f);
extern void calmaOutHeader(CellDef *rootDef, FILE *f);
extern void calmaOutDate(time_t t, FILE *f);
extern void calmaOutStringRecord(int type, char *str, FILE *f);
extern void calmaOut8(char *str, FILE *f);
extern void calmaOut8(const char *str, FILE *f);
extern void calmaOutR8(double d, FILE *f);
extern void calmaProcessBoundary(BoundaryTop *blist, calmaOutputStruct *cos);
extern void calmaRemoveColinear(BoundaryTop *blist);
@ -199,7 +199,7 @@ HashTable calmaUndefHash;
(void) putc(u.u_c[3], f); \
}
static char calmaMapTableStrict[] =
static const char calmaMapTableStrict[] =
{
0, 0, 0, 0, 0, 0, 0, 0, /* NUL - BEL */
0, 0, 0, 0, 0, 0, 0, 0, /* BS - SI */
@ -219,7 +219,7 @@ static char calmaMapTableStrict[] =
'x', 'y', 'z', '_', '_', '_', '_', 0, /* x - DEL */
};
static char calmaMapTablePermissive[] =
static const char calmaMapTablePermissive[] =
{
0, 0, 0, 0, 0, 0, 0, 0, /* NUL - BEL */
0, 0, 0, 0, 0, 0, 0, 0, /* BS - SI */
@ -686,10 +686,10 @@ calmaFullDump(
HashSearch hs;
HashEntry *he, *he2;
static int hdrSkip[] = { CALMA_FORMAT, CALMA_MASK, CALMA_ENDMASKS,
static const int hdrSkip[] = { CALMA_FORMAT, CALMA_MASK, CALMA_ENDMASKS,
CALMA_REFLIBS, CALMA_FONTS, CALMA_ATTRTABLE,
CALMA_STYPTABLE, CALMA_GENERATIONS, -1 };
static int skipBeforeLib[] = { CALMA_LIBDIRSIZE, CALMA_SRFNAME,
static const int skipBeforeLib[] = { CALMA_LIBDIRSIZE, CALMA_SRFNAME,
CALMA_LIBSECUR, -1 };
HashInit(&calmaDefHash, 32, 0);
@ -1524,10 +1524,10 @@ calmaWriteUseFunc(
* only 4 possible values, it is faster to have them pre-computed
* than to format with calmaOutR8().
*/
static unsigned char r90[] = { 0x42, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static unsigned char r180[] = { 0x42, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static unsigned char r270[] = { 0x43, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char *whichangle;
static const unsigned char r90[] = { 0x42, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const unsigned char r180[] = { 0x42, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const unsigned char r270[] = { 0x43, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00 };
const unsigned char *whichangle;
int x, y, topx, topy, rows, cols, xxlate, yxlate, hdrsize;
int rectype, stransflags;
Transform *t;
@ -1738,7 +1738,7 @@ calmaOutStructName(
unsigned char c;
char *cp;
int calmanum;
char *table;
const char *table;
if (CIFCurStyle->cs_flags & CWF_PERMISSIVE_LABELS)
{
@ -3245,7 +3245,8 @@ calmaOutStringRecord(
{
int len;
unsigned char c;
char *table, *locstr, *origstr = NULL;
const char *table;
char *locstr, *origstr = NULL;
char *locstrprv; /* Added by BSI */
if(CIFCurStyle->cs_flags & CWF_PERMISSIVE_LABELS)
@ -3415,7 +3416,7 @@ calmaOutR8(
void
calmaOut8(
char *str, /* 8-byte string to be output */
const char *str, /* 8-byte string to be output */
FILE *f) /* Stream file */
{
int i;

25
calma/CalmaWriteZ.c
View File

@ -112,7 +112,7 @@ extern void calmaWriteLabelFuncZ(Label *lab, int ltype, int type, gzFile f);
extern void calmaOutHeaderZ(CellDef *rootDef, gzFile f);
extern void calmaOutDateZ(time_t t, gzFile f);
extern void calmaOutStringRecordZ(int type, char *str, gzFile f);
extern void calmaOut8Z(char *str, gzFile f);
extern void calmaOut8Z(const char *str, gzFile f);
extern void calmaOutR8Z(double d, gzFile f);
/*--------------------------------------------------------------*/
@ -180,7 +180,7 @@ extern void calmaOutR8Z(double d, gzFile f);
(void) gzputc(f, u.u_c[3]); \
}
static char calmaMapTableStrict[] =
static const char calmaMapTableStrict[] =
{
0, 0, 0, 0, 0, 0, 0, 0, /* NUL - BEL */
0, 0, 0, 0, 0, 0, 0, 0, /* BS - SI */
@ -200,7 +200,7 @@ static char calmaMapTableStrict[] =
'x', 'y', 'z', '_', '_', '_', '_', 0, /* x - DEL */
};
static char calmaMapTablePermissive[] =
static const char calmaMapTablePermissive[] =
{
0, 0, 0, 0, 0, 0, 0, 0, /* NUL - BEL */
0, 0, 0, 0, 0, 0, 0, 0, /* BS - SI */
@ -667,10 +667,10 @@ calmaFullDumpZ(
HashSearch hs;
HashEntry *he, *he2;
static int hdrSkip[] = { CALMA_FORMAT, CALMA_MASK, CALMA_ENDMASKS,
static const int hdrSkip[] = { CALMA_FORMAT, CALMA_MASK, CALMA_ENDMASKS,
CALMA_REFLIBS, CALMA_FONTS, CALMA_ATTRTABLE,
CALMA_STYPTABLE, CALMA_GENERATIONS, -1 };
static int skipBeforeLib[] = { CALMA_LIBDIRSIZE, CALMA_SRFNAME,
static const int skipBeforeLib[] = { CALMA_LIBDIRSIZE, CALMA_SRFNAME,
CALMA_LIBSECUR, -1 };
HashInit(&calmaDefHash, 32, 0);
@ -1365,10 +1365,10 @@ calmaWriteUseFuncZ(
* only 4 possible values, it is faster to have them pre-computed
* than to format with calmaOutR8Z().
*/
static unsigned char r90[] = { 0x42, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static unsigned char r180[] = { 0x42, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static unsigned char r270[] = { 0x43, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char *whichangle;
static const unsigned char r90[] = { 0x42, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const unsigned char r180[] = { 0x42, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const unsigned char r270[] = { 0x43, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00 };
const unsigned char *whichangle;
int x, y, topx, topy, rows, cols, xxlate, yxlate, hdrsize;
int rectype, stransflags;
Transform *t;
@ -1579,7 +1579,7 @@ calmaOutStructNameZ(
unsigned char c;
char *cp;
int calmanum;
char *table;
const char *table;
if (CIFCurStyle->cs_flags & CWF_PERMISSIVE_LABELS)
{
@ -2638,7 +2638,8 @@ calmaOutStringRecordZ(
{
int len;
unsigned char c;
char *table, *locstr, *origstr = NULL;
const char *table;
char *locstr, *origstr = NULL;
char *locstrprv;
if(CIFCurStyle->cs_flags & CWF_PERMISSIVE_LABELS)
@ -2808,7 +2809,7 @@ calmaOutR8Z(
void
calmaOut8Z(
char *str, /* 8-byte string to be output */
const char *str, /* 8-byte string to be output */
gzFile f) /* Compressed stream file */
{
int i;

8
calma/calmaInt.h
View File

@ -226,8 +226,8 @@ typedef struct portlabel
/* Other commonly used globals */
extern HashTable calmaLayerHash;
extern int calmaElementIgnore[];
extern CellDef *calmaFindCell(char *name, bool *was_called, bool *predefined);
extern const int calmaElementIgnore[];
extern CellDef *calmaFindCell(const char *name, bool *was_called, bool *predefined);
/* (Added by Nishit, 8/18/2004--8/24/2004) */
extern CellDef *calmaLookCell(char *name);
@ -235,8 +235,8 @@ extern void calmaWriteContacts(FILE *f);
extern CellDef *calmaGetContactCell(TileType type, bool lookOnly);
extern bool calmaIsContactCell;
extern char *calmaRecordName(int rtype);
extern void calmaSkipSet(int *skipwhat);
extern const char *calmaRecordName(int rtype);
extern void calmaSkipSet(const int *skipwhat);
extern bool calmaParseUnits(void);
extern int compport(const void *one, const void *two);