Release calc version 2.11.0t5

This commit is contained in:
Landon Curt Noll
1999-10-04 20:08:04 -07:00
parent 97e9429000
commit f60cbd24b2
38 changed files with 781 additions and 192 deletions

241
calc.c
View File

@@ -39,7 +39,7 @@
/*
* external and static definitions
* external definitions and functions
*/
extern int abortlevel; /* current level of aborts */
extern BOOL inputwait; /* TRUE if in a terminal input wait */
@@ -52,6 +52,7 @@ extern int u_flag; /* TRUE => unbuffer stdin and stdout */
extern char *pager; /* $PAGER or default */
extern int stdin_tty; /* TRUE if stdin is a tty */
extern int interactive; /* TRUE if interactive session (no cmd args) */
extern char *program; /* our name */
extern char cmdbuf[]; /* command line expression */
@@ -59,8 +60,10 @@ extern char *version(void); /* return version string */
/*
* forward static functions
* static definitions and functions
*/
static char *usage = "usage: %s [-C] [-e] [-h] [-i] [-m mode] [-n] [-p]\n"
"\t[-q] [-u] [[--] calc_cmd ...]\n";
static void intint(int arg); /* interrupt routine */
@@ -70,124 +73,121 @@ static void intint(int arg); /* interrupt routine */
int
main(int argc, char **argv)
{
static char *str; /* current option string or expression */
int want_defhelp = 0; /* 1=> we only want the default help */
int cmdlen; /* length of the command string */
extern char *optarg; /* option argument */
extern int optind; /* option index */
int c; /* option */
long i;
char *p;
/*
* parse args
*/
program = argv[0];
argc--;
argv++;
while ((argc > 0) && (**argv == '-')) {
for (str = &argv[0][1]; *str; str++) switch (*str) {
case 'C':
while ((c = getopt(argc, argv, "Cehim:npquv")) != -1) {
switch (c) {
case 'C':
#if defined(CUSTOM)
allow_custom = TRUE;
break;
#else
fprintf(stderr,
"Calc was built with custom functions "
"disabled, -C usage is disallowed\n");
/*
* we are too early in processing to call
* libcalc_call_me_last() - nothing to cleanup
*/
exit(1);
#endif /* CUSTOM */
case 'e':
no_env = TRUE;
break;
case 'h':
want_defhelp = 1;
break;
case 'i':
ign_errmax = TRUE;
break;
case 'm':
if (argv[0][2]) {
p = &argv[0][2];
} else if (argc > 1) {
p = argv[1];
argc--;
argv++;
} else {
fprintf(stderr, "-m requires an arg\n");
/*
* we are too early in processing to
* call libcalc_call_me_last()
* nothing to cleanup
*/
exit(1);
}
if (p[1] != '\0' || *p < '0' || *p > '7') {
fprintf(stderr, "unknown -m arg\n");
/*
* we are too early in processing to
* call libcalc_call_me_last()
* nothing to cleanup
*/
exit(1);
}
allow_read = (((*p-'0') & 04) > 0);
allow_write = (((*p-'0') & 02) > 0);
allow_exec = (((*p-'0') & 01) > 0);
break;
case 'n':
new_std = TRUE;
break;
case 'p':
p_flag = TRUE;
break;
case 'q':
q_flag = TRUE;
break;
case 'u':
u_flag = TRUE;
break;
case 'v':
printf("%s (version %s)\n",
CALC_TITLE, version());
/*
* we are too early in processing to call
* libcalc_call_me_last() - nothing to cleanup
*/
exit(0);
default:
fprintf(stderr,
"usage: %s [-C] [-e] [-h] [-i] [-m mode] [-n] [-p]\n",
program);
fprintf(stderr, "\t[-q] [-u] [calc_cmd ...]\n");
/*
* we are too early in processing to call
* libcalc_call_me_last() - nothing to cleanup
*/
exit(1);
}
argc--;
argv++;
}
cmdbuf[0] = '\0';
str = cmdbuf;
while (--argc >= 0) {
i = (long)strlen(*argv);
if (i+3 >= MAXCMD) {
fprintf(stderr, "command in arg list too long\n");
allow_custom = TRUE;
break;
#else /* CUSTOM */
/*
* we are too early in processing to call
* libcalc_call_me_last() - nothing to cleanup
*/
fprintf(stderr,
"%s: calc was built with custom functions "
"disabled, -C usage is disallowed\n", program);
exit(1);
#endif /* CUSTOM */
case 'e':
no_env = TRUE;
break;
case 'h':
want_defhelp = 1;
break;
case 'i':
ign_errmax = TRUE;
break;
case 'm':
if (optarg[1] == '\0' || *optarg<'0' || *optarg>'7') {
/*
* we are too early in processing to
* call libcalc_call_me_last()
* nothing to cleanup
*/
fprintf(stderr,
"%s: unknown -m arg\n", program);
exit(1);
}
allow_read = (((*optarg-'0') & 04) > 0);
allow_write = (((*optarg-'0') & 02) > 0);
allow_exec = (((*optarg-'0') & 01) > 0);
break;
case 'n':
new_std = TRUE;
break;
case 'p':
p_flag = TRUE;
break;
case 'q':
q_flag = TRUE;
break;
case 'u':
u_flag = TRUE;
break;
case 'v':
/*
* we are too early in processing to call
* libcalc_call_me_last() - nothing to cleanup
*/
printf("%s (version %s)\n", CALC_TITLE, version());
exit(0);
default:
/*
* we are too early in processing to call
* libcalc_call_me_last() - nothing to cleanup
*/
fprintf(stderr, usage, program);
exit(1);
}
*str++ = ' ';
strcpy(str, *argv++);
str += i;
str[0] = '\n';
str[1] = '\0';
}
str = cmdbuf;
interactive = (optind >= argc);
/*
* look at the length of any trailing command args
*
* We make room for the trailing '\0\n' as well as an extra guard byte.
*/
for (cmdlen=0, i=optind; i < argc; ++i) {
/* argument + space separator */
cmdlen += strlen(argv[i]) + 1;
}
if (i > MAXCMD) {
/*
* we are too early in processing to call
* libcalc_call_me_last() - nothing to cleanup
*/
fprintf(stderr,
"%s: command in arg list is too long\n", program);
exit(1);
}
/*
* We will form a command the remaining args separated by spaces.
*/
cmdbuf[0] = '\0';
if (optind < argc) {
strcpy(cmdbuf, argv[optind]);
cmdlen = strlen(argv[optind]);
for (i=optind+1; i < argc; ++i) {
cmdbuf[cmdlen++] = ' ';
strcpy(cmdbuf+cmdlen, argv[i]);
cmdlen += strlen(argv[i]);
}
cmdbuf[cmdlen++] = '\n';
cmdbuf[cmdlen] = '\0';
}
/*
* unbuffered mode
@@ -212,7 +212,7 @@ main(int argc, char **argv)
/*
* if allowed or needed, print version and setup bindings
*/
if (str >= cmdbuf+MAXCMD || *str == '\0') {
if (interactive) {
/*
* check for pipe mode and/or non-tty stdin
*/
@@ -220,11 +220,6 @@ main(int argc, char **argv)
stdin_tty = isatty(0); /* assume stdin is on fd 0 */
}
/*
* empty string arg is no string
*/
str = NULL;
/*
* if tty, setup bindings
*/
@@ -235,14 +230,15 @@ main(int argc, char **argv)
switch (hist_init(calcbindings)) {
case HIST_NOFILE:
fprintf(stderr,
"Cannot open bindings file \"%s\", %s.\n",
calcbindings, "fancy editing disabled");
"%s: Cannot open bindings file \"%s\", "
"fancy editing disabled.\n",
program, calcbindings);
break;
case HIST_NOTTY:
fprintf(stderr,
"Cannot set terminal modes, %s.\n",
"fancy editing disabled");
"%s: Cannot set terminal modes, "
"fancy editing disabled\n", program);
break;
}
}
@@ -260,21 +256,21 @@ main(int argc, char **argv)
initialize();
} else {
/* initialize already done, jmpbuf is ready */
post_init = TRUE;
post_init = TRUE;
}
/*
* if arg mode or non-tty mode, just do the work and be gone
*/
if (str || !stdin_tty) {
if (!interactive || !stdin_tty) {
if (q_flag == FALSE && allow_read) {
runrcfiles();
q_flag = TRUE;
}
if (str)
(void) openstring(str);
else
if (interactive)
(void) openterminal();
else
(void) openstring(cmdbuf);
start_done = TRUE;
getcommands(FALSE);
libcalc_call_me_last();
@@ -282,7 +278,7 @@ main(int argc, char **argv)
}
}
/* if in arg mode, we should not get here */
if (str) {
if (!interactive) {
libcalc_call_me_last();
exit(1);
}
@@ -339,7 +335,8 @@ math_error(char *fmt, ...)
if (funcname && (*funcname != '*'))
fprintf(stderr, "\"%s\": ", funcname);
if (funcline && ((funcname && (*funcname != '*')) || !inputisterminal()))
if (funcline && ((funcname && (*funcname != '*')) ||
!inputisterminal()))
fprintf(stderr, "line %ld: ", funcline);
va_start(ap, fmt);
vsprintf(buf, fmt, ap);