mescc: Mes C Library: Explode libmes.c.

* include/libmes.h: Add declarations.
* lib/abtol.c: New file, explode from lib/libmes.c.
* lib/ctype/isdigit.c: Likewise.
* lib/ctype/isnumber.c: Likewise.
* lib/ctype/isspace.c: Likewise.
* lib/ctype/isxdigit.c: Likewise.
* lib/mes/abtol.c: Likewise.
* lib/mes/eputc.c: Likewise.
* lib/mes/eputs.c: Likewise.
* lib/mes/fdgetc.c: Likewise.
* lib/mes/fdputc.c: Likewise.
* lib/mes/fdputs.c: Likewise.
* lib/mes/fdungetc.c: Likewise.
* lib/mes/itoa.c: Likewise.
* lib/mes/ltoab.c: Likewise.
* lib/mes/ntoab.c: Likewise.
* lib/mes/utoa.c: Likewise.
* lib/stdlib/atoi.c: Likewise.
* lib/libmes.c: Include explodings.

include/libmes.h

@@ -45,11 +45,23 @@ typedef long ssize_t;
 #endif
 #endif
 
+#ifndef STDIN
+#define STDIN 0
+#endif
+
+#ifndef STDOUT
+#define STDOUT 1
+#endif
+
+#ifndef STDERR
+#define STDERR 2
+#endif
+
 int __mes_debug ();
-char const* number_to_ascii (long number, int base, int signed_p);
-char const* itoa (long number);
+char const* ntoab (long number, int base, int signed_p);
+char const* itoa (int number);
 char const* utoa (unsigned long number);
-char const* itoab (long x, int base);
+char const* ltoab (long x, int base);
 int _atoi (char const**, int base);
 int atoi (char const *s);
 int eputc (int c);
@@ -58,6 +70,7 @@ int fdgetc (int fd);
 int fdputc (int c, int fd);
 int fdputs (char const* s, int fd);
 int fdungetc (int c, int fd);
+int _fdungetc_p (int fd);
 int isdigit (int c);
 int isspace (int c);
 int isxdigit (int c);

lib/abtol.c

@@ -0,0 +1,44 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+long
+abtol (char const **p, int base)
+{
+  char const *s = *p;
+  long i = 0;
+  int sign = 1;
+  if (!base) base = 10;
+  if (*s && *s == '-')
+    {
+      sign = -1;
+      s++;
+    }
+  while (isnumber (*s, base))
+    {
+      i *= base;
+      long m = *s > '9' ? 'a' - 10 : '0';
+      i += *s - m;
+      s++;
+    }
+  *p = s;
+  return i * sign;
+}

lib/ctype/isdigit.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+isdigit (int c)
+{
+  return c >= '0' && c <= '9';
+}

lib/ctype/isnumber.c

@@ -0,0 +1,34 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+isnumber (int c, int base)
+{
+  if (base == 2)
+    return (c >= '0') && (c <= '1');
+  if (base == 8)
+    return (c >= '0') && (c <= '7');
+  if (base == 10)
+    return isdigit (c);
+  if (base == 16)
+    return isxdigit (c);
+}

lib/ctype/isspace.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+isspace (int c)
+{
+  return (c == '\t' || c == '\n' || c == '\v' || c == '\f' || c == '\r' || c == ' ');
+}

lib/ctype/isxdigit.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+isxdigit (int c)
+{
+  return isdigit (c) || (c >= 'a' && c <= 'f');
+}

lib/libc+tcc.c

@@ -573,10 +573,10 @@ strtol (char const *string, char **tailptr, int base)
   if (tailptr)
     {
       *tailptr = string;
-      return abtoi (tailptr, base);
+      return abtol (tailptr, base);
     }
   char **p = &string;
-  return abtoi (p, base);
+  return abtol (p, base);
 }
 
 long long int
@@ -707,7 +707,7 @@ vfprintf (FILE* f, char const* format, va_list ap)
           }
         if (c >= '0' && c <= '9')
           {
-            width = abtoi (&p, 10);
+            width = abtol (&p, 10);
             c = *p;
           }
         else if (c == '*')
@@ -720,7 +720,7 @@ vfprintf (FILE* f, char const* format, va_list ap)
             c = *++p;
             if (c >= '0' && c <= '9')
               {
-                precision = abtoi (&p, 10);
+                precision = abtol (&p, 10);
                 c = *p;
               }
             else if (c == '*')
@@ -751,7 +751,7 @@ vfprintf (FILE* f, char const* format, va_list ap)
               int base = c == 'o' ? 8
                 : c == 'x' || c == 'X' ? 16
                 : 10;
-              char const *s = number_to_ascii (d, base, c != 'u' && c != 'x' && c != 'X');
+              char const *s = ntoab (d, base, c != 'u' && c != 'x' && c != 'X');
               if (c == 'X')
                 strupr (s);
               int length = strlen (s);
@@ -884,7 +884,7 @@ vsscanf (char const *s, char const *template, va_list ap)
           case 'u':
             {
               int *d = va_arg (ap, int*);
-              *d = abtoi (&p, 10);
+              *d = abtol (&p, 10);
               count++;
               break;
             }
@@ -934,7 +934,7 @@ vsprintf (char *str, char const* format, va_list ap)
           }
         if (c >= '0' && c <= '9')
           {
-            width = abtoi (&p, 10);
+            width = abtol (&p, 10);
             c = *p;
           }
         else if (c == '*')
@@ -947,7 +947,7 @@ vsprintf (char *str, char const* format, va_list ap)
             c = *++p;
             if (c >= '0' && c <= '9')
               {
-                precision = abtoi (&p, 10);
+                precision = abtol (&p, 10);
                 c = *p;
               }
             else if (c == '*')
@@ -980,7 +980,7 @@ vsprintf (char *str, char const* format, va_list ap)
               int base = c == 'o' ? 8
                 : c == 'x' || c == 'X' ? 16
                 : 10;
-              char const *s = number_to_ascii (d, base, c != 'u' && c != 'x' && c != 'X');
+              char const *s = ntoab (d, base, c != 'u' && c != 'x' && c != 'X');
               if (c == 'X')
                 strupr (s);
               int length = strlen (s);

lib/libmes.c

@@ -23,226 +23,25 @@
 #include <string.h>
 #include <unistd.h>
 
-int
-isdigit (int c)
-{
-  return c >= '0' && c <= '9';
-}
+#include <ctype/isdigit.c>
+#include <ctype/isxdigit.c>
+#include <ctype/isspace.c>
+#include <ctype/isnumber.c>
 
-int
-isxdigit (int c)
-{
-  return isdigit (c) || (c >= 'a' && c <= 'f');
-}
-
-int
-isspace (int c)
-{
-  return (c == '\t' || c == '\n' || c == '\v' || c == '\f' || c == '\r' || c == ' ');
-}
-
-int
-isnumber (int c, int base)
-{
-  if (base == 2)
-    return (c >= '0') && (c <= '1');
-  if (base == 8)
-    return (c >= '0') && (c <= '7');
-  if (base == 10)
-    return isdigit (c);
-  if (base == 16)
-    return isxdigit (c);
-}
-
-int
-abtoi (char const **p, int base)
-{
-  char const *s = *p;
-  int i = 0;
-  int sign = 1;
-  if (!base) base = 10;
-  if (*s && *s == '-')
-    {
-      sign = -1;
-      s++;
-    }
-  while (isnumber (*s, base))
-    {
-      i *= base;
-      int m = *s > '9' ? 'a' - 10 : '0';
-      i += *s - m;
-      s++;
-    }
-  *p = s;
-  return i * sign;
-}
-
-int
-atoi (char const *s)
-{
-  char const *p = s;
-  return abtoi (&p, 0);
-}
-
-char const*
-number_to_ascii (int x, int base, int signed_p)
-{
-  static char itoa_buf[12];
-  char *p = itoa_buf + 11;
-  *p-- = 0;
-
-  int sign = 0;
-  unsigned u = x;
-  if (signed_p && x < 0)
-    {
-      sign = 1;
-      u = -x;
-    }
-
-  do
-     {
-       int i = u % base;
-       *p-- = i > 9 ? 'a' + i - 10 : '0' + i;
-       u = u / base;
-     } while (u);
-
-  if (sign && *(p + 1) != '0')
-    *p-- = '-';
-
-  return p+1;
-}
-
-char const*
-itoab (int x, int base)
-{
-  return number_to_ascii (x, base, 1);
-}
-
-char const*
-itoa (int x)
-{
-  return number_to_ascii (x, 10, 1);
-}
-
-char const*
-utoa (unsigned x)
-{
-  return number_to_ascii (x, 10, 0);
-}
-
-int _ungetc_pos = -1;
-int _ungetc_fd = -1;
-char _ungetc_buf[10];
-
-int
-fdgetc (int fd)
-{
-  char c;
-  int i;
-  if (_ungetc_pos == -1)
-    {
-      int r = read (fd, &c, 1);
-      if (r < 1)
-        return -1;
-      i = c;
-   }
-  else
-    {
-      i = _ungetc_buf[_ungetc_pos];
-      if (_ungetc_fd != fd && i == 10)
-        {
-          // FIXME: Nyacc's ungetc exposes harmless libmec.c bug
-          // we need one unget position per FD
-          _ungetc_pos = -1;
-          _ungetc_fd = -1;
-          return fdgetc (fd);
-        }
-      else if (_ungetc_fd != fd)
-        {
-          eputs (" ***MES LIB C*** fdgetc ungetc conflict unget-fd=");
-          eputs (itoa (_ungetc_fd));
-          eputs (", fdgetc-fd=");
-          eputs (itoa (fd));
-          eputs (", c=");
-          eputs (itoa ( _ungetc_buf[_ungetc_pos]));
-          eputs ("\n");
-          exit (1);
-        }
-      i = _ungetc_buf[_ungetc_pos];
-      _ungetc_pos -= 1;
-      if (_ungetc_pos == -1)
-        _ungetc_fd = -1;
-     }
-  if (i < 0)
-    i += 256;
-
-  return i;
-}
-
-int
-fdputc (int c, int fd)
-{
-  write (fd, (char*)&c, 1);
-  return 0;
-}
-
-int
-fdputs (char const* s, int fd)
-{
-  int i = strlen (s);
-  write (fd, s, i);
-  return 0;
-}
-
-int
-fdungetc (int c, int fd)
-{
-  if (c == -1)
-    return c;
-  if (_ungetc_pos == -1)
-    _ungetc_fd = fd;
-  else if (_ungetc_fd != fd)
-    {
-      eputs (" ***MES LIB C*** fdungetc ungetc conflict unget-fd=");
-      eputs (itoa (_ungetc_fd));
-      eputs (", fdungetc-fd=");
-      eputs (itoa (fd));
-      eputs ("\n");
-      exit (1);
-    }
-  _ungetc_pos++;
-  _ungetc_buf[_ungetc_pos] = c;
-  return c;
-}
-
-int
-_fdungetc_p (int fd)
-{
-  return _ungetc_pos > -1;
-}
+#include <mes/abtol.c>
+#include <stdlib/atoi.c>
+#include <mes/ntoab.c>
+#include <mes/ltoab.c>
+#include <mes/itoa.c>
+#include <mes/utoa.c>
+#include <mes/fdgetc.c>
+#include <mes/fdputc.c>
+#include <mes/fdputs.c>
+#include <mes/fdungetc.c>
 
 #if POSIX
-#define STDERR 2
-int
-eputs (char const* s)
-{
-  int i = strlen (s);
-  write (STDERR, s, i);
-  return 0;
-}
+#include <mes/eputs.c>
+#include <mes/oputs.c>
+#endif // POSIX
 
-#define STDOUT 1
-int
-oputs (char const* s)
-{
-  int i = strlen (s);
-  write (STDOUT, s, i);
-  return 0;
-}
-#endif
-
-int
-eputc (int c)
-{
-  return fdputc (c, STDERR);
-}
+#include <mes/eputc.c>

lib/linux/libc-mini.c

@@ -18,6 +18,8 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <errno.h>
+
 #if __MESC__
 
 #include <linux/x86-mes/mini.c>

lib/mes/abtol.c

@@ -0,0 +1,44 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+long
+abtol (char const **p, int base)
+{
+  char const *s = *p;
+  int i = 0;
+  int sign = 1;
+  if (!base) base = 10;
+  if (*s && *s == '-')
+    {
+      sign = -1;
+      s++;
+    }
+  while (isnumber (*s, base))
+    {
+      i *= base;
+      int m = *s > '9' ? 'a' - 10 : '0';
+      i += *s - m;
+      s++;
+    }
+  *p = s;
+  return i * sign;
+}

lib/mes/eputc.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+eputc (int c)
+{
+  return fdputc (c, STDERR);
+}

lib/mes/eputs.c

@@ -24,6 +24,6 @@ int
 eputs (char const* s)
 {
   int i = strlen (s);
-  write (2, s, i);
+  write (STDERR, s, i);
   return 0;
 }

lib/mes/fdgetc.c

@@ -0,0 +1,70 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int _ungetc_pos = -1;
+int _ungetc_fd = -1;
+char _ungetc_buf[10];
+
+int
+fdgetc (int fd)
+{
+  char c;
+  int i;
+  if (_ungetc_pos == -1)
+    {
+      int r = read (fd, &c, 1);
+      if (r < 1)
+        return -1;
+      i = c;
+   }
+  else
+    {
+      i = _ungetc_buf[_ungetc_pos];
+      if (_ungetc_fd != fd && i == 10)
+        {
+          // FIXME: Nyacc's ungetc exposes harmless libmec.c bug
+          // we need one unget position per FD
+          _ungetc_pos = -1;
+          _ungetc_fd = -1;
+          return fdgetc (fd);
+        }
+      else if (_ungetc_fd != fd)
+        {
+          eputs (" ***MES C LIB*** fdgetc ungetc conflict unget-fd=");
+          eputs (itoa (_ungetc_fd));
+          eputs (", fdgetc-fd=");
+          eputs (itoa (fd));
+          eputs (", c=");
+          eputs (itoa ( _ungetc_buf[_ungetc_pos]));
+          eputs ("\n");
+          exit (1);
+        }
+      i = _ungetc_buf[_ungetc_pos];
+      _ungetc_pos -= 1;
+      if (_ungetc_pos == -1)
+        _ungetc_fd = -1;
+     }
+  if (i < 0)
+    i += 256;
+
+  return i;
+}

lib/mes/fdputc.c

@@ -0,0 +1,28 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+fdputc (int c, int fd)
+{
+  write (fd, (char*)&c, 1);
+  return 0;
+}

lib/mes/fdputs.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+fdputs (char const* s, int fd)
+{
+  int i = strlen (s);
+  write (fd, s, i);
+  return 0;
+}

lib/mes/fdungetc.c

@@ -0,0 +1,48 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+fdungetc (int c, int fd)
+{
+  if (c == -1)
+    return c;
+  if (_ungetc_pos == -1)
+    _ungetc_fd = fd;
+  else if (_ungetc_fd != fd)
+    {
+      eputs (" ***MES LIB C*** fdungetc ungetc conflict unget-fd=");
+      eputs (itoa (_ungetc_fd));
+      eputs (", fdungetc-fd=");
+      eputs (itoa (fd));
+      eputs ("\n");
+      exit (1);
+    }
+  _ungetc_pos++;
+  _ungetc_buf[_ungetc_pos] = c;
+  return c;
+}
+
+int
+_fdungetc_p (int fd)
+{
+  return _ungetc_pos > -1;
+}

lib/mes/itoa.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+char const*
+itoa (int x)
+{
+  return ntoab (x, 10, 1);
+}

lib/mes/ltoab.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+char const*
+ltoab (long x, int base)
+{
+  return ntoab (x, base, 1);
+}

lib/mes/ntoab.c

@@ -0,0 +1,49 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+char const*
+ntoab (long x, int base, int signed_p)
+{
+  static char itoa_buf[20];
+  char *p = itoa_buf + 11;
+  *p-- = 0;
+
+  int sign = 0;
+  unsigned long u = x;
+  if (signed_p && x < 0)
+    {
+      sign = 1;
+      u = -x;
+    }
+
+  do
+     {
+       long i = u % base;
+       *p-- = i > 9 ? 'a' + i - 10 : '0' + i;
+       u = u / base;
+     } while (u);
+
+  if (sign && *(p + 1) != '0')
+    *p-- = '-';
+
+  return p+1;
+}

lib/mes/utoa.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+char const*
+utoa (unsigned long x)
+{
+  return ntoab (x, 10, 0);
+}

lib/stdlib/atoi.c

@@ -0,0 +1,28 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU 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.
+ *
+ * GNU 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libmes.h>
+
+int
+atoi (char const *s)
+{
+  char const *p = s;
+  return abtol (&p, 0);
+}

scaffold/tests/7j-strtoull.c

@@ -28,7 +28,7 @@ int
 main ()
 {
   char *p = "42foo\n";
-  int n = abtoi (&p, 0);
+  int n = abtol (&p, 0);
   if (n != 42) return 1;
   eputs (p);
   if (strcmp (p, "foo\n")) return 2;