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-rw-r--r--iolib.c18
-rw-r--r--mathlib.c114
-rw-r--r--strlib.c16
3 files changed, 74 insertions, 74 deletions
diff --git a/iolib.c b/iolib.c
index 13f9a31f..35b1dea2 100644
--- a/iolib.c
+++ b/iolib.c
@@ -3,7 +3,7 @@
** Input/output library to LUA
*/
-char *rcs_iolib="$Id: iolib.c,v 1.16 1994/11/16 17:38:08 roberto Stab roberto $";
+char *rcs_iolib="$Id: iolib.c,v 1.17 1994/12/13 15:55:41 roberto Exp roberto $";
#include <stdio.h>
#include <ctype.h>
@@ -29,7 +29,7 @@ static FILE *in=stdin, *out=stdout;
static void io_readfrom (void)
{
lua_Object o = lua_getparam (1);
- if (o == NULL) /* restore standart input */
+ if (o == LUA_NOOBJECT) /* restore standart input */
{
if (in != stdin)
{
@@ -74,7 +74,7 @@ static void io_readfrom (void)
static void io_writeto (void)
{
lua_Object o = lua_getparam (1);
- if (o == NULL) /* restore standart output */
+ if (o == LUA_NOOBJECT) /* restore standart output */
{
if (out != stdout)
{
@@ -120,7 +120,7 @@ static void io_writeto (void)
static void io_appendto (void)
{
lua_Object o = lua_getparam (1);
- if (o == NULL) /* restore standart output */
+ if (o == LUA_NOOBJECT) /* restore standart output */
{
if (out != stdout)
{
@@ -177,7 +177,7 @@ static void io_appendto (void)
static void io_read (void)
{
lua_Object o = lua_getparam (1);
- if (o == NULL || !lua_isstring(o)) /* free format */
+ if (!lua_isstring(o)) /* free format */
{
int c;
char s[256];
@@ -442,12 +442,12 @@ static void io_write (void)
{
lua_Object o1 = lua_getparam (1);
lua_Object o2 = lua_getparam (2);
- if (o1 == NULL) /* new line */
+ if (o1 == LUA_NOOBJECT) /* new line */
{
fprintf (out, "\n");
lua_pushnumber(1);
}
- else if (o2 == NULL) /* free format */
+ else if (o2 == LUA_NOOBJECT) /* free format */
{
int status=0;
if (lua_isnumber(o1))
@@ -475,7 +475,7 @@ static void io_write (void)
static void io_execute (void)
{
lua_Object o = lua_getparam (1);
- if (o == NULL || !lua_isstring (o))
+ if (!lua_isstring (o))
{
lua_error ("incorrect argument to function 'execute`");
lua_pushnumber (0);
@@ -495,7 +495,7 @@ static void io_execute (void)
static void io_remove (void)
{
lua_Object o = lua_getparam (1);
- if (o == NULL || !lua_isstring (o))
+ if (!lua_isstring (o))
{
lua_error ("incorrect argument to function 'execute`");
lua_pushnumber (0);
diff --git a/mathlib.c b/mathlib.c
index 4042834d..71e54eba 100644
--- a/mathlib.c
+++ b/mathlib.c
@@ -3,7 +3,7 @@
** Mathematics library to LUA
*/
-char *rcs_mathlib="$Id: mathlib.c,v 1.5 1994/11/17 19:43:34 roberto Exp roberto $";
+char *rcs_mathlib="$Id: mathlib.c,v 1.6 1994/11/18 19:46:21 roberto Stab roberto $";
#include <stdio.h> /* NULL */
#include <math.h>
@@ -19,10 +19,10 @@ static void math_abs (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `abs'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `abs'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `abs'"); return; }
+ lua_error ("incorrect arguments to function `abs'");
d = lua_getnumber(o);
if (d < 0) d = -d;
lua_pushnumber (d);
@@ -33,10 +33,10 @@ static void math_sin (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `sin'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `sin'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `sin'"); return; }
+ lua_error ("incorrect arguments to function `sin'");
d = lua_getnumber(o);
lua_pushnumber (sin(TORAD(d)));
}
@@ -47,10 +47,10 @@ static void math_cos (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `cos'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `cos'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `cos'"); return; }
+ lua_error ("incorrect arguments to function `cos'");
d = lua_getnumber(o);
lua_pushnumber (cos(TORAD(d)));
}
@@ -61,10 +61,10 @@ static void math_tan (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `tan'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `tan'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `tan'"); return; }
+ lua_error ("incorrect arguments to function `tan'");
d = lua_getnumber(o);
lua_pushnumber (tan(TORAD(d)));
}
@@ -74,10 +74,10 @@ static void math_asin (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `asin'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `asin'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `asin'"); return; }
+ lua_error ("incorrect arguments to function `asin'");
d = lua_getnumber(o);
lua_pushnumber (TODEGREE(asin(d)));
}
@@ -87,10 +87,10 @@ static void math_acos (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `acos'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `acos'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `acos'"); return; }
+ lua_error ("incorrect arguments to function `acos'");
d = lua_getnumber(o);
lua_pushnumber (TODEGREE(acos(d)));
}
@@ -101,10 +101,10 @@ static void math_atan (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `atan'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `atan'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `atan'"); return; }
+ lua_error ("incorrect arguments to function `atan'");
d = lua_getnumber(o);
lua_pushnumber (TODEGREE(atan(d)));
}
@@ -114,10 +114,10 @@ static void math_ceil (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `ceil'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `ceil'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `ceil'"); return; }
+ lua_error ("incorrect arguments to function `ceil'");
d = lua_getnumber(o);
lua_pushnumber (ceil(d));
}
@@ -127,10 +127,10 @@ static void math_floor (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `floor'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `floor'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `floor'"); return; }
+ lua_error ("incorrect arguments to function `floor'");
d = lua_getnumber(o);
lua_pushnumber (floor(d));
}
@@ -141,7 +141,7 @@ static void math_mod (void)
lua_Object o1 = lua_getparam (1);
lua_Object o2 = lua_getparam (2);
if (!lua_isnumber(o1) || !lua_isnumber(o2))
- { lua_error ("incorrect arguments to function `mod'"); return; }
+ lua_error ("incorrect arguments to function `mod'");
d1 = (int) lua_getnumber(o1);
d2 = (int) lua_getnumber(o2);
lua_pushnumber (d1%d2);
@@ -152,10 +152,10 @@ static void math_sqrt (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `sqrt'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `sqrt'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `sqrt'"); return; }
+ lua_error ("incorrect arguments to function `sqrt'");
d = lua_getnumber(o);
lua_pushnumber (sqrt(d));
}
@@ -188,15 +188,15 @@ static void math_min (void)
int i=1;
double d, dmin;
lua_Object o;
- if ((o = lua_getparam(i++)) == NULL)
- { lua_error ("too few arguments to function `min'"); return; }
+ if ((o = lua_getparam(i++)) == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `min'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `min'"); return; }
+ lua_error ("incorrect arguments to function `min'");
dmin = lua_getnumber (o);
- while ((o = lua_getparam(i++)) != NULL)
+ while ((o = lua_getparam(i++)) != LUA_NOOBJECT)
{
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `min'"); return; }
+ lua_error ("incorrect arguments to function `min'");
d = lua_getnumber (o);
if (d < dmin) dmin = d;
}
@@ -209,15 +209,15 @@ static void math_max (void)
int i=1;
double d, dmax;
lua_Object o;
- if ((o = lua_getparam(i++)) == NULL)
- { lua_error ("too few arguments to function `max'"); return; }
+ if ((o = lua_getparam(i++)) == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `max'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `max'"); return; }
+ lua_error ("incorrect arguments to function `max'");
dmax = lua_getnumber (o);
- while ((o = lua_getparam(i++)) != NULL)
+ while ((o = lua_getparam(i++)) != LUA_NOOBJECT)
{
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `max'"); return; }
+ lua_error ("incorrect arguments to function `max'");
d = lua_getnumber (o);
if (d > dmax) dmax = d;
}
@@ -229,10 +229,10 @@ static void math_log (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `log'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `log'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `log'"); return; }
+ lua_error ("incorrect arguments to function `log'");
d = lua_getnumber(o);
lua_pushnumber (log(d));
}
@@ -242,10 +242,10 @@ static void math_log10 (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `log10'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `log10'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `log10'"); return; }
+ lua_error ("incorrect arguments to function `log10'");
d = lua_getnumber(o);
lua_pushnumber (log10(d));
}
@@ -255,10 +255,10 @@ static void math_exp (void)
{
double d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `exp'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `exp'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `exp'"); return; }
+ lua_error ("incorrect arguments to function `exp'");
d = lua_getnumber(o);
lua_pushnumber (exp(d));
}
@@ -267,10 +267,10 @@ static void math_deg (void)
{
float d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `deg'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `deg'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `deg'"); return; }
+ lua_error ("incorrect arguments to function `deg'");
d = lua_getnumber(o);
lua_pushnumber (d*180./PI);
}
@@ -279,10 +279,10 @@ static void math_rad (void)
{
float d;
lua_Object o = lua_getparam (1);
- if (o == NULL)
- { lua_error ("too few arguments to function `rad'"); return; }
+ if (o == LUA_NOOBJECT)
+ lua_error ("too few arguments to function `rad'");
if (!lua_isnumber(o))
- { lua_error ("incorrect arguments to function `rad'"); return; }
+ lua_error ("incorrect arguments to function `rad'");
d = lua_getnumber(o);
lua_pushnumber (d/180.*PI);
}
diff --git a/strlib.c b/strlib.c
index ef79ac82..68acc218 100644
--- a/strlib.c
+++ b/strlib.c
@@ -3,7 +3,7 @@
** String library to LUA
*/
-char *rcs_strlib="$Id: strlib.c,v 1.5 1994/11/16 17:38:08 roberto Stab $";
+char *rcs_strlib="$Id: strlib.c,v 1.6 1994/12/13 15:54:21 roberto Exp roberto $";
#include <string.h>
#include <ctype.h>
@@ -23,7 +23,7 @@ static void str_find (void)
lua_Object o1 = lua_getparam (1);
lua_Object o2 = lua_getparam (2);
if (!lua_isstring(o1) || !lua_isstring(o2))
- { lua_error ("incorrect arguments to function `strfind'"); return; }
+ lua_error ("incorrect arguments to function `strfind'");
s1 = lua_getstring(o1);
s2 = lua_getstring(o2);
f = strstr(s1,s2);
@@ -42,7 +42,7 @@ static void str_len (void)
{
lua_Object o = lua_getparam (1);
if (!lua_isstring(o))
- { lua_error ("incorrect arguments to function `strlen'"); return; }
+ lua_error ("incorrect arguments to function `strlen'");
lua_pushnumber(strlen(lua_getstring(o)));
}
@@ -60,9 +60,9 @@ static void str_sub (void)
lua_Object o2 = lua_getparam (2);
lua_Object o3 = lua_getparam (3);
if (!lua_isstring(o1) || !lua_isnumber(o2))
- { lua_error ("incorrect arguments to function `strsub'"); return; }
- if (o3 != NULL && !lua_isnumber(o3))
- { lua_error ("incorrect third argument to function `strsub'"); return; }
+ lua_error ("incorrect arguments to function `strsub'");
+ if (o3 != LUA_NOOBJECT && !lua_isnumber(o3))
+ lua_error ("incorrect third argument to function `strsub'");
s = lua_copystring(o1);
start = lua_getnumber (o2);
end = o3 == NULL ? strlen(s) : lua_getnumber (o3);
@@ -86,7 +86,7 @@ static void str_lower (void)
char *s, *c;
lua_Object o = lua_getparam (1);
if (!lua_isstring(o))
- { lua_error ("incorrect arguments to function `strlower'"); return; }
+ lua_error ("incorrect arguments to function `strlower'");
c = s = strdup(lua_getstring(o));
while (*c != 0)
{
@@ -108,7 +108,7 @@ static void str_upper (void)
char *s, *c;
lua_Object o = lua_getparam (1);
if (!lua_isstring(o))
- { lua_error ("incorrect arguments to function `strlower'"); return; }
+ lua_error ("incorrect arguments to function `strlower'");
c = s = strdup(lua_getstring(o));
while (*c != 0)
{