Add const to some parameters, made function static

src/frontend/arg.c

@@ -17,7 +17,9 @@ Author: 1987 Jeffrey M. Hsu
 #include "variable.h"
 
 
-static void common(char *string, struct wordlist *wl, struct comm *command);
+static void common(const char *string, const struct wordlist *wl,
+        const struct comm *command);
+static int countargs(const wordlist *wl);
 
 
 /* returns a private copy of the string */
@@ -39,11 +41,10 @@ prompt(FILE *fp)
 }
 
 
-int
-countargs(wordlist *wl)
+static int countargs(const wordlist *wl)
 {
     int number = 0;
-    wordlist *w;
+    const wordlist *w;
 
     for (w = wl; w; w = w->wl_next)
         number++;
@@ -63,42 +64,42 @@ process(wordlist *wlist)
 
 
 void
-arg_print(wordlist *wl, struct comm *command)
+arg_print(const wordlist *wl, const struct comm *command)
 {
     common("which variable", wl, command);
 }
 
 
 void
-arg_plot(wordlist *wl, struct comm *command)
+arg_plot(const wordlist *wl, const struct comm *command)
 {
     common("which variable", wl, command);
 }
 
 
 void
-arg_load(wordlist *wl, struct comm *command)
+arg_load(wordlist *wl, const struct comm *command)
 {
     /* just call com_load */
     command->co_func(wl);
 }
 
 
-void arg_let(wordlist *wl, struct comm *command)
+void arg_let(const wordlist *wl, const struct comm *command)
 {
     common("which vector", wl, command);
 }
 
 
 void
-arg_set(wordlist *wl, struct comm *command)
+arg_set(const wordlist *wl, const struct comm *command)
 {
     common("which variable", wl, command);
 }
 
 
 void
-arg_display(wordlist *wl, struct comm *command)
+arg_display(const wordlist *wl, const struct comm *command)
 {
     NG_IGNORE(wl);
     NG_IGNORE(command);
@@ -108,8 +109,8 @@ arg_display(wordlist *wl, struct comm *command)
 
 
 /* a common prompt routine */
-static void
-common(char *string, struct wordlist *wl, struct comm *command)
+static void common(const char *string, const struct wordlist *wl,
+        const struct comm *command)
 {
     struct wordlist *w;
     char *buf;
@@ -125,11 +126,11 @@ common(char *string, struct wordlist *wl, struct comm *command)
         /* O.K. now call fn */
         command->co_func(w);
     }
-}
+} /* end of function common */
 
 
 void
-outmenuprompt(char *string)
+outmenuprompt(const char *string)
 {
     fprintf(cp_out, "%s: ", string);
     fflush(cp_out);

src/frontend/arg.h

@@ -7,15 +7,14 @@
 #define ngspice_ARG_H
 
 char *prompt(FILE *fp);
-int countargs(wordlist *wl);
 wordlist *process(wordlist *wlist);
-void arg_print(wordlist *wl, struct comm *command);
-void arg_plot(wordlist *wl, struct comm *command);
-void arg_load(wordlist *wl, struct comm *command);
-void arg_let(wordlist *wl, struct comm *command);
-void arg_set(wordlist *wl, struct comm *command);
-void arg_display(wordlist *wl, struct comm *command);
-void outmenuprompt(char *string);
+void arg_print(const wordlist *wl, const struct comm *command);
+void arg_plot(const wordlist *wl, const struct comm *command);
+void arg_load(wordlist *wl, const struct comm *command);
+void arg_let(const wordlist *wl, const struct comm *command);
+void arg_set(const wordlist *wl, const struct comm *command);
+void arg_display(const wordlist *wl, const struct comm *command);
+void outmenuprompt(const char *string);
 
 
 #endif

src/frontend/com_measure2.c

@@ -54,6 +54,10 @@ typedef enum AnalysisType {
     AT_ERR, AT_ERR1, AT_ERR2, AT_ERR3, AT_MIN_AT, AT_MAX_AT
 } ANALYSIS_TYPE_T;
 
+static void measure_errMessage(const char *mName, const char *mFunction,
+        const char *trigTarg, const char *errMsg, int chk_only);
+
+
 
 /** return precision (either 5 or value of environment variable NGSPICE_MEAS_PRECISION) */
 int
@@ -69,8 +73,8 @@ measure_get_precision(void)
 }
 
 
-static void
-measure_errMessage(char *mName, char *mFunction, char *trigTarg, char *errMsg, int chk_only)
+static void measure_errMessage(const char *mName, const char *mFunction,
+        const char *trigTarg, const char *errMsg, int chk_only)
 {
     if (!chk_only) {
         printf("\nError: measure  %s  %s(%s) : ", mName, mFunction, trigTarg);

src/frontend/plotting/agraf.c

@@ -328,9 +328,9 @@ ft_agraf(double *xlims, double *ylims, struct dvec *xscale, struct plot *plot, s
 
     out_printf("%s\n%s\n", line1, line2);
 
-    tfree(field);
-    tfree(line1);
-    tfree(line2);
+    txfree(field);
+    txfree(line1);
+    txfree(line2);
     if (!novalue)
-        tfree(values);
+        txfree(values);
 }

src/frontend/trannoise/1-f-code.c

@@ -104,8 +104,8 @@ f_alpha(int n_pts, int n_exp, double X[], double Q_d, double alpha)
 
 #endif
 
-    tfree(hfa);
-    tfree(wfa);
+    txfree(hfa);
+    txfree(wfa);
     /* fft tables will be freed in vsrcaccept.c and isrcaccept.c
        fftFree(); */
     fprintf(stdout, "%d 1/f noise values in time domain created\n", n_pts);
@@ -247,6 +247,6 @@ trnoise_state_free(struct trnoise_state *this)
 {
     if (!this)
         return;
-    tfree(this->oneof);
-    tfree(this);
+    txfree(this->oneof);
+    txfree(this);
 }

src/spicelib/analysis/acan.c

@@ -165,7 +165,7 @@ ACan(CKTcircuit *ckt, int restart)
                                    NULL, IF_REAL,
                                    numNames, nameList, IF_REAL,
                                    &acPlot);
-        tfree(nameList);
+        txfree(nameList);
 
         ipc_send_dcop_prefix();
         CKTdump(ckt, 0.0, acPlot);

src/spicelib/devices/asrc/asrcext.h

@@ -12,6 +12,6 @@ extern int ASRCload(GENmodel *, CKTcircuit *);
 extern int ASRCparam(int, IFvalue *, GENinstance *, IFvalue *);
 extern int ASRCpzLoad(GENmodel *, CKTcircuit *, SPcomplex *);
 extern int ASRCacLoad(GENmodel *, CKTcircuit *);
-extern int ASRCsetup(SMPmatrix *, GENmodel *, CKTcircuit *, int *);
+extern int ASRCsetup(SMPmatrix *, GENmodel *, CKTcircuit *, const int *);
 extern int ASRCunsetup(GENmodel *, CKTcircuit *);
 extern int ASRCtemp(GENmodel *, CKTcircuit *);

src/spicelib/devices/asrc/asrcset.c

@@ -21,8 +21,8 @@ Author: 1987 Kanwar Jit Singh
  * pointers needed later for fast matrix loading
  */
 
-int
-ASRCsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt, int *states)
+int ASRCsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
+        const int *states)
 {
     ASRCinstance *here;
     ASRCmodel *model = (ASRCmodel*) inModel;