mescc: Support gcc-3.2: Implement integer strto*.

* lib/libc+tcc.c (strtoll, strtoul): Call strtoul.

build-aux/check-mescc.sh

@@ -140,6 +140,7 @@ t
 93-fread-fwrite
 94-unsetenv
 95-signal
+96-strto
 "
 
 # 90: needs GNU, fails for mescc, passes for tcc

include/stdlib.h

@@ -49,13 +49,13 @@ void unsetenv (char const *name);
 void *malloc (size_t);
 void qsort (void *base, size_t nmemb, size_t size, int (*compar)(void const *, void const *));
 void *realloc (void *p, size_t size);
-double strtod (char const *nptr, char **endptr);
-float strtof (char const *nptr, char **endptr);
-long double strtold (char const *nptr, char **endptr);
-long strtol (char const *nptr, char **endptr, int base);
-long long strtoll (char const *nptr, char **endptr, int base);
-unsigned long strtoul (char const *nptr, char **endptr, int base);
-unsigned long long strtoull (char const *nptr, char **endptr, int base);
+double strtod (char const *string, char **tailptr);
+float strtof (char const *string, char **tailptr);
+long double strtold (char const *string, char **tailptr);
+long strtol (char const *string, char **tailptr, int base);
+long long strtoll (char const *string, char **tailptr, int base);
+unsigned long strtoul (char const *string, char **tailptr, int base);
+unsigned long long strtoull (char const *string, char **tailptr, int base);
 
 #define EXIT_FAILURE 1
 #define EXIT_SUCCESS 0

lib/libc+tcc.c

@@ -218,6 +218,7 @@ fseek (FILE *stream, long offset, int whence)
 int
 gettimeofday (struct timeval *tv, struct timezone *tz)
 {
+  eputs ("gettimeofday stub\n");
   return 0;
 }
 
@@ -450,57 +451,91 @@ strstr (char const *haystack, char const *needle)
 }
 
 double
-strtod (char const *nptr, char **endptr)
+strtod (char const *string, char **tailptr)
 {
   eputs ("strtod stub\n");
 }
 
 float
-strtof (char const *nptr, char **endptr)
+strtof (char const *string, char **tailptr)
 {
-  return strtod (nptr, endptr);
+  return strtod (string, tailptr);
 }
 
 long double
-strtold (char const *nptr, char **endptr)
+strtold (char const *string, char **tailptr)
 {
-  return strtod (nptr, endptr);
+  return strtod (string, tailptr);
 }
 
 long
-strtol (char const *nptr, char **endptr, int base)
+strtol (char const *string, char **tailptr, int base)
 {
-  if (!strncmp (nptr, "0x", 2))
+  if (!strncmp (string, "0x", 2))
     {
-      char const *p = nptr + 2;
-      return abtoi (&p, 16);
+      string += 2;
+      base = 16;
     }
-  return abtoi (&nptr, base);
+  if (tailptr)
+    {
+      *tailptr = string;
+      return abtoi (tailptr, base);
+    }
+  char **p = &string;
+  return abtoi (p, base);
 }
 
+#if 1
+
 long long int
-strtoll (char const *nptr, char **endptr, int base)
+strtoll (char const *string, char **tailptr, int base)
+{
+  return strtol (string, tailptr, base);
+}
+
+unsigned long
+strtoul (char const *string, char **tailptr, int base)
+{
+  return strtol (string, tailptr, base);
+}
+
+unsigned long long
+strtoull (char const *string, char **tailptr, int base)
+{
+  return strtol (string, tailptr, base);
+}
+
+#else
+
+long long int
+strtoll (char const *string, char **tailptr, int base)
 {
   eputs ("strtoll stub\n");
   return 0;
 }
 
 unsigned long
-strtoul (char const *nptr, char **endptr, int base)
+strtoul (char const *string, char **tailptr, int base)
 {
   eputs ("strtoul stub\n");
   return 0;
 }
 
 unsigned long long
-strtoull (char const *p, char **endptr, int base)
+strtoull (char const *string, char **tailptr, int base)
 {
-  *endptr = p;
-  return abtoi (endptr, base);
+  // *endptr = p;
+  // return abtoi (endptr, base);
+  eputs ("strtoull stub\n");
+  return 0;
 }
 
-time_t time (time_t *tloc)
+#endif
+
+time_t
+time (time_t *tloc)
 {
+  eputs ("time stub\n");
   return 0;
 }
 
@@ -519,12 +554,12 @@ calloc (size_t nmemb, size_t size)
   return p;
 }
 
-
 int
 islower (int c)
 {
   return c >= 'a' && c <= 'z';
 }
+
 int
 isupper (int c)
 {

scaffold/tests/96-strto.c

@@ -0,0 +1,57 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * Mes --- Maxwell Equations of Software
+ * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of Mes.
+ *
+ * Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+#include <stdlib.h>
+
+int
+main ()
+{
+  eputs ("0x12\n");
+  if (strtol ("0x12", 0, 0) != 18)
+    1;
+
+  eputs ("012\n");
+  if (strtol ("012", 0, 0) != 10)
+    2;
+
+  eputs ("-1\n");
+  if (strtol ("-1", 0, 0) != -1)
+    3;
+
+  eputs ("-1\n");
+  if (strtoul ("-1", 0, 0) != -1)
+    4;
+
+  char *p = "16";
+  int n = strtol (p, (char **)&p, 0);
+  eputs ("p="); eputs (p); eputs ("\n");
+  if (*p != 0)
+    return 5;
+
+  p = "0x12";
+  n = strtol (p, (char **)&p, 0);
+  eputs ("p="); eputs (p); eputs ("\n");
+  if (*p != 0)
+    return 5;
+
+
+  return 0;
+}