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Add function ngSpice_nospiceinit(void) if you don't want to read .spiceinit

This commit is contained in:
Holger Vogt 2024-10-30 13:37:45 +01:00
parent 7ac92bb9fc
commit 2b89d2a1cd
2 changed files with 70 additions and 41 deletions
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15
src/include/ngspice/sharedspice.h
View File

@ -3,12 +3,21 @@
/* Modified BSD license */ /* Modified BSD license */
/* /*
Interface between a calling program (caller) and ngspice.dll (ngspice.so) Interface between a calling program (caller) and ngspice.dll (libngspice.so)
** **
ngSpice_nospinit(void) ngSpice_nospinit(void)
Set variable no_spinit, if reading the initialization file 'spinit' is not wanted. Set variable no_spinit, if reading the initialization file 'spinit' is not wanted.
To be called before ngSpice_Init() To be called before ngSpice_Init()
**
ngSpice_nospiceinit(void)
Set variable no_spiceinit, if reading the user defined initialization file
'.spiceinit' is not wanted.
To be called before ngSpice_Init().
Use with care, as this removes the last chance to send preparative commands
before the netlist is loaded. Then use the the caller to send such commands.
** **
ngSpice_Init(SendChar*, SendStat*, ControlledExit*, ngSpice_Init(SendChar*, SendStat*, ControlledExit*,
SendData*, SendInitData*, BGThreadRunning*, void*) SendData*, SendInitData*, BGThreadRunning*, void*)
@ -453,6 +462,10 @@ NG_BOOL ngSpice_SetBkpt(double time);
IMPEXP IMPEXP
int ngSpice_nospinit(void); int ngSpice_nospinit(void);
/* Set variable no_spiceinit, if reading '.spiceinit' is not wanted. */
IMPEXP
int ngSpice_nospiceinit(void);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

96
src/sharedspice.c
View File

@ -814,6 +814,16 @@ ngSpice_nospinit(void)
return 0; return 0;
} }
/* Set variable no_spiceinit, if reading '.spiceinit' is not wanted. */
IMPEXP
int
ngSpice_nospiceinit(void)
{
bool t = TRUE;
cp_vset("no_spicenit", CP_BOOL, &t);
return 0;
}
/* Initialise external voltage source and synchronization */ /* Initialise external voltage source and synchronization */
IMPEXP IMPEXP
int int
@ -968,55 +978,61 @@ ngSpice_Init(SendChar* printfcn, SendStat* statusfcn, ControlledExit* ngspiceexi
tfree(s); tfree(s);
} }
#else /* ~ HAVE_PWD_H */ #else /* ~ HAVE_PWD_H */
/* load user's initialisation file /* load user's initialisation file
try accessing the initialisation file .spiceinit in a user provided try accessing the initialisation file .spiceinit in a user provided
path read from environmental variable SPICE_USERINIT_DIR, path read from environmental variable SPICE_USERINIT_DIR,
if that fails try the alternate name spice.rc, then look into if that fails try the alternate name spice.rc, then look into
the current directory, then the HOME directory, then into USERPROFILE */ the current directory, then the HOME directory, then into USERPROFILE.
do { Don't read .spiceinit, if ngSpice_nospiceinit() has been called. */
{ if (!cp_getvar("no_spiceinit", CP_BOOL, NULL, 0)) {
const char* const userinit = getenv("SPICE_USERINIT_DIR"); do {
if (userinit) { {
if (read_initialisation_file(userinit, INITSTR) != FALSE) { const char* const userinit = getenv("SPICE_USERINIT_DIR");
break; if (userinit) {
} if (read_initialisation_file(userinit, INITSTR) != FALSE) {
if (read_initialisation_file(userinit, ALT_INITSTR) != FALSE) { break;
break; }
if (read_initialisation_file(userinit, ALT_INITSTR) != FALSE) {
break;
}
} }
} }
}
if (read_initialisation_file("", INITSTR) != FALSE) { if (read_initialisation_file("", INITSTR) != FALSE) {
break; break;
} }
if (read_initialisation_file("", ALT_INITSTR) != FALSE) { if (read_initialisation_file("", ALT_INITSTR) != FALSE) {
break; break;
} }
{ {
const char* const home = getenv("HOME"); const char* const home = getenv("HOME");
if (home) { if (home) {
if (read_initialisation_file(home, INITSTR) != FALSE) { if (read_initialisation_file(home, INITSTR) != FALSE) {
break; break;
} }
if (read_initialisation_file(home, ALT_INITSTR) != FALSE) { if (read_initialisation_file(home, ALT_INITSTR) != FALSE) {
break; break;
}
} }
} }
}
{ {
const char* const usr = getenv("USERPROFILE"); const char* const usr = getenv("USERPROFILE");
if (usr) { if (usr) {
if (read_initialisation_file(usr, INITSTR) != FALSE) { if (read_initialisation_file(usr, INITSTR) != FALSE) {
break; break;
} }
if (read_initialisation_file(usr, ALT_INITSTR) != FALSE) { if (read_initialisation_file(usr, ALT_INITSTR) != FALSE) {
break; break;
}
} }
} }
} } while (0); /* end of case that init file is read */
} while (0); /* end of case that init file is read */ }
else {
fprintf(stdout, "Note: .spiceinit is ignored, because ngSpice_nospiceinit() has been called.\n");
}
#endif /* ~ HAVE_PWD_H */ #endif /* ~ HAVE_PWD_H */