/***************************************************************************
Routine to access the command line argument and interpret them:
Return ARG_OK (0) is case of successful parsing, error code else...
***************************************************************************/
bool
GAGetArgs(int argc,
char **argv,
char *CtrlStr, ...) {
int i, ParamCount = 0;
bool Error = false;
int *Parameters[MAX_PARAM]; /* Save here parameter addresses. */
char *Option, CtrlStrCopy[CTRL_STR_MAX_LEN];
va_list ap;
strncpy(CtrlStrCopy, CtrlStr, sizeof(CtrlStrCopy)-1);
va_start(ap, CtrlStr);
for (i = 1; i <= MAX_PARAM; i++)
Parameters[i - 1] = va_arg(ap, int *);
va_end(ap);
--argc;
argv++; /* Skip the program name (first in argv/c list). */
while (argc >= 0) {
if (!GAOptionExists(argc, argv))
break; /* The loop. */
argc--;
Option = *argv++;
if ((Error = GAUpdateParameters(Parameters, &ParamCount, Option,
CtrlStrCopy, CtrlStr, &argc,
&argv)) != false)
return Error;
}
/* Check for results and update trail of command line: */
return GATestAllSatis(CtrlStrCopy, CtrlStr, &argc, &argv, Parameters,
&ParamCount) != ARG_OK;
}
//#ifdef HAVE_STDARG_H
int
GAGetArgs(int argc,
char **argv,
char *CtrlStr, ...) {
int i, Error = FALSE, ParamCount = 0;
int *Parameters[MAX_PARAM]; /* Save here parameter addresses. */
char *Option, CtrlStrCopy[CTRL_STR_MAX_LEN];
va_list ap;
strcpy(CtrlStrCopy, CtrlStr);
va_start(ap, CtrlStr);
for (i = 1; i <= MAX_PARAM; i++)
Parameters[i - 1] = va_arg(ap, int *);
va_end(ap);
#if 0//#elif defined(HAVE_VARARGS_H)
int GAGetArgs(va_alist)
va_dcl
{
va_list ap;
int argc, i, Error = FALSE, ParamCount = 0;
int *Parameters[MAX_PARAM]; /* Save here parameter addresses. */
char **argv, *CtrlStr, *Option, CtrlStrCopy[CTRL_STR_MAX_LEN];
va_start(ap);
argc = va_arg(ap, int);
argv = va_arg(ap, char **);
CtrlStr = va_arg(ap, char *);
va_end(ap);
strcpy(CtrlStrCopy, CtrlStr);
/* Using base address of parameters we access other parameters addr:
* Note that me (for sure!) samples data beyond the current function
* frame, but we accesson these set address only by demand. */
for (i = 1; i <= MAX_PARAM; i++)
Parameters[i - 1] = va_arg(ap, int *);
#endif /* HAVE_STDARG_H */
--argc;
argv++; /* Skip the program name (first in argv/c list). */
while (argc >= 0) {
if (!GAOptionExists(argc, argv))
break; /* The loop. */
argc--;
Option = *argv++;
if ((Error = GAUpdateParameters(Parameters, &ParamCount, Option,
CtrlStrCopy, CtrlStr, &argc,
&argv)) != FALSE)
return Error;
}
/* Check for results and update trail of command line: */
return GATestAllSatis(CtrlStrCopy, CtrlStr, &argc, &argv, Parameters,
&ParamCount);
}
/***************************************************************************
* Routine to search for unsatisfied flags - simply scan the list for !-
* sequence. Before this scan, this routine updates the rest of the command
* line into the last two parameters if it is requested by the CtrlStr
* (last item in CtrlStr is NOT an option).
* Return ARG_OK if all satisfied, CMD_ERR_AllSatis error else.
**************************************************************************/
static int
GATestAllSatis(char *CtrlStrCopy,
char *CtrlStr,
int *argc,
char ***argv,
int *Parameters[MAX_PARAM],
int *ParamCount) {
int i;
static char *LocalToken = NULL;
/* If LocalToken is not initialized - do it now. Note that this string
* should be writable as well so we can not assign it directly.
*/
if (LocalToken == NULL) {
LocalToken = (char *)malloc(3);
strcpy(LocalToken, "-?");
}
/* Check if last item is an option. If not then copy rest of command
* line into it as 1. NumOfprm, 2. pointer to block of pointers.
*/
for (i = strlen(CtrlStr) - 1; i > 0 && !ISSPACE(CtrlStr[i]); i--) ;
if (!ISCTRLCHAR(CtrlStr[i + 2])) {
GASetParamCount(CtrlStr, i, ParamCount); /* Point in correct param. */
*Parameters[(*ParamCount)++] = *argc;
GAByteCopy((char *)Parameters[(*ParamCount)++], (char *)argv,
sizeof(char *));
}
i = 0;
while (++i < (int)strlen(CtrlStrCopy))
if ((CtrlStrCopy[i] == '-') && (CtrlStrCopy[i - 1] == '!')) {
GAErrorToken = LocalToken;
LocalToken[1] = CtrlStrCopy[i - 2]; /* Set the correct flag. */
return CMD_ERR_AllSatis;
}
return ARG_OK;
}
