lef/*.h: constify string function arguments

lef/defRead.c

@@ -2385,7 +2385,7 @@ enum def_sections {DEF_VERSION = 0, DEF_NAMESCASESENSITIVE,
 
 void
 DefRead(
-    char *inName,
+    const char *inName,
     bool dolabels,
     bool annotate,
     bool noblockage)

lef/lef.h

@@ -14,7 +14,7 @@
 /* Procedures for reading the technology file: */
 
 extern void LefTechInit(void);
-extern bool LefTechLine(char *sectionName, int argc, char *argv[]);
+extern bool LefTechLine(const char *sectionName, int argc, char *argv[]);
 extern void LefTechScale(int scalen, int scaled);
 extern void LefTechSetDefaults(void);
 

lef/lefInt.h

@@ -143,24 +143,24 @@ extern linkedNetName *lefIgnoreNets;
 
 extern int lefDefInitFunc(CellDef *def);
 extern int lefDefPushFunc(CellUse *use, bool *recurse);
-extern FILE *lefFileOpen(CellDef *def, char *file, char *suffix, char *mode, char **prealfile);
+extern FILE *lefFileOpen(CellDef *def, const char *file, const char *suffix, const char *mode, char **prealfile);
 
 extern int LefParseEndStatement(FILE *f, const char *match);
 extern void LefSkipSection(FILE *f, const char *section);
 extern void LefEndStatement(FILE *f);
-extern CellDef *lefFindCell(char *name);
+extern CellDef *lefFindCell(const char *name);
 extern char *LefNextToken(FILE *f, bool ignore_eol);
 extern char *LefLower(char *token);
 extern LinkedRect *LefReadGeometry(CellDef *lefMacro, FILE *f, float oscale, bool do_list, bool is_imported);
-extern void LefEstimate(int processed, int total, char *item_name);
+extern void LefEstimate(int processed, int total, const char *item_name);
-extern lefLayer *LefRedefined(lefLayer *lefl, char *redefname);
+extern lefLayer *LefRedefined(lefLayer *lefl, const char *redefname);
 extern void LefAddViaGeometry(FILE *f, lefLayer *lefl, TileType curlayer, float oscale);
 extern void LefGenViaGeometry(FILE *f, lefLayer *lefl, int sizex, int sizey, int spacex, int spacey, int encbx,
                               int encby, int enctx, int encty, int rows, int cols, TileType tlayer, TileType clayer,
                               TileType blayer, float oscale);
 extern Rect *LefReadRect(FILE *f, TileType curlayer, float oscale);
 extern TileType LefReadLayer(FILE *f, bool obstruct);
-extern void LefReadLayerSection(FILE *f, char *lname, int mode, lefLayer *lefl);
+extern void LefReadLayerSection(FILE *f, const char *lname, int mode, lefLayer *lefl);
 
 extern LefMapping *defMakeInverseLayerMap(bool do_vias);
 
@@ -168,8 +168,8 @@ extern LefMapping *defMakeInverseLayerMap(bool do_vias);
 extern void LefError(int type, const char *fmt, ...) ATTR_FORMAT_PRINTF_2;
 
 /* C99 compat */
-extern void LefRead(char *inName, bool importForeign, bool doAnnotate, int lefTimestamp);
+extern void LefRead(const char *inName, bool importForeign, bool doAnnotate, int lefTimestamp);
-extern void DefRead(char *inName, bool dolabels, bool annotate, bool noblockage);
+extern void DefRead(const char *inName, bool dolabels, bool annotate, bool noblockage);
 
 extern void LefWriteAll(CellUse *rootUse, bool writeTopCell, bool lefTech, int lefHide, int lefPinOnly, bool lefTopLayer,
                         bool lefDoMaster, bool recurse);

lef/lefRead.c

@@ -85,7 +85,7 @@ void
 LefEstimate(
    int processed,
    int total,
-   char *item_name)
+   const char *item_name)
 {
     static int check_interval, partition;
     static struct timeval tv_start;
@@ -140,7 +140,7 @@ void
 LefEstimate(
    int processed,
    int total,
-   char *item_name)
+   const char *item_name)
 {
     static int check_interval, partition;
     static struct timeval tv_start;
@@ -574,7 +574,7 @@ LefSkipSection(
 
 CellDef *
 lefFindCell(
-    char *name)		/* Name of the cell to search for */
+    const char *name)		/* Name of the cell to search for */
 {
     HashEntry *h;
     CellDef *def;
@@ -638,7 +638,7 @@ LefLower(
 lefLayer *
 LefRedefined(
     lefLayer *lefl,
-    char *redefname)
+    const char *redefname)
 {
     lefLayer *slef, *newlefl;
     char *altName;
@@ -2656,7 +2656,7 @@ enum lef_layer_keys {LEF_LAYER_TYPE=0, LEF_LAYER_WIDTH,
 void
 LefReadLayerSection(
     FILE *f,			/* LEF file being read	  */
-    char *lname,		/* name of the layer 	  */
+    const char *lname,		/* name of the layer 	  */
     int mode,			/* layer, via, or viarule */
     lefLayer *lefl)		/* pointer to layer info  */
 {
@@ -2892,7 +2892,7 @@ enum lef_sections {LEF_VERSION = 0,
 
 void
 LefRead(
-    char *inName,
+    const char *inName,
     bool importForeign,
     bool doAnnotate,
     int lefTimestamp)

lef/lefTech.c

@@ -203,7 +203,7 @@ lefRemoveGeneratedVias(void)
 
 bool
 LefTechLine(
-    char *sectionName,          /* Name of this section (unused). */
+    const char *sectionName,    /* Name of this section (unused). */
     int argc,                   /* Number of arguments on line. */
     char *argv[])               /* Pointers to fields of line. */
 {

lef/lefWrite.c

@@ -151,21 +151,21 @@ lefFileOpen(
     CellDef *def,	/* Cell whose .lef file is to be written.  Should
 			 * be NULL if file is being opened for reading.
 			 */
-    char *file,		/* If non-NULL, open 'name'.lef; otherwise,
+    const char *file,	/* If non-NULL, open 'name'.lef; otherwise,
 			 * derive filename from 'def' as described
 			 * above.
 			 */
-    char *suffix,	/* Either ".lef" for LEF files or ".def" for DEF files */
+    const char *suffix,	/* Either ".lef" for LEF files or ".def" for DEF files */
-    char *mode,		/* Either "r" or "w", the mode in which the LEF/DEF
+    const char *mode,	/* Either "r" or "w", the mode in which the LEF/DEF
 			 * file is to be opened.
 			 */
     char **prealfile)	/* If this is non-NULL, it gets set to point to
 			 * a string holding the name of the LEF/DEF file.
 			 */
 {
-    char namebuf[512], *name, *endp, *ends;
+    const char *name, *ends, *endp;
-    char *locsuffix;
+    char namebuf[512];
-    char *pptr;
+    const char *locsuffix;
     int len;
     FILE *rfile;