Integrate MySQL module.

module/Vendor/MDBC/libmariadb/strtoll.c

@@ -0,0 +1,198 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02111-1301, USA */
+
+/* This is defines strtoll() if neaded */
+
+#include <my_global.h>
+#include <m_string.h>
+#if !defined(HAVE_STRTOLL) && defined(HAVE_LONG_LONG)
+#define USE_LONGLONG
+
+#define strtoll glob_strtoll		/* Fix for True64 */
+
+#include "m_string.h"
+#include "m_ctype.h"
+#include "my_sys.h"			/* defines errno */
+#include <errno.h>
+
+#undef strtoull
+#undef strtoll
+#undef strtoul
+#undef strtol
+#ifdef USE_LONGLONG
+#define UTYPE_MAX (~(ulonglong) 0)
+#define TYPE_MIN LONGLONG_MIN
+#define TYPE_MAX LONGLONG_MAX
+#define longtype longlong
+#define ulongtype ulonglong
+#ifdef USE_UNSIGNED
+#define function ulongtype strtoull
+#else
+#define function longtype strtoll
+#endif
+#else
+#define UTYPE_MAX (ulong) ~0L
+#define TYPE_MIN LONG_MIN
+#define TYPE_MAX LONG_MAX
+#define longtype long
+#define ulongtype unsigned long
+#ifdef USE_UNSIGNED
+#define function ulongtype strtoul
+#else
+#define function longtype strtol
+#endif
+#endif
+
+
+/* Convert NPTR to an `unsigned long int' or `long int' in base BASE.
+   If BASE is 0 the base is determined by the presence of a leading
+   zero, indicating octal or a leading "0x" or "0X", indicating hexadecimal.
+   If BASE is < 2 or > 36, it is reset to 10.
+   If ENDPTR is not NULL, a pointer to the character after the last
+   one converted is stored in *ENDPTR.	*/
+
+
+function (const char *nptr,char **endptr,int base)
+{
+  int negative;
+  register ulongtype cutoff;
+  register unsigned int cutlim;
+  register ulongtype i;
+  register const char *s;
+  register unsigned char c;
+  const char *save;
+  int overflow;
+
+  if (base < 0 || base == 1 || base > 36)
+    base = 10;
+
+  s = nptr;
+
+  /* Skip white space.	*/
+  while (isspace (*s))
+    ++s;
+  if (*s == '\0')
+  {
+    goto noconv;
+  }
+
+  /* Check for a sign.	*/
+  if (*s == '-')
+  {
+    negative = 1;
+    ++s;
+  }
+  else if (*s == '+')
+  {
+    negative = 0;
+    ++s;
+  }
+  else
+    negative = 0;
+
+  if (base == 16 && s[0] == '0' && toupper (s[1]) == 'X')
+    s += 2;
+
+  /* If BASE is zero, figure it out ourselves.	*/
+  if (base == 0)
+  {
+    if (*s == '0')
+    {
+      if (toupper (s[1]) == 'X')
+      {
+	s += 2;
+	base = 16;
+      }
+      else
+	base = 8;
+    }
+    else
+      base = 10;
+  }
+
+  /* Save the pointer so we can check later if anything happened.  */
+  save = s;
+
+  cutoff = UTYPE_MAX / (unsigned long int) base;
+  cutlim = (uint) (UTYPE_MAX % (unsigned long int) base);
+
+  overflow = 0;
+  i = 0;
+  for (c = *s; c != '\0'; c = *++s)
+  {
+    if (isdigit (c))
+      c -= '0';
+    else if (isalpha (c))
+      c = toupper (c) - 'A' + 10;
+    else
+      break;
+    if (c >= base)
+      break;
+    /* Check for overflow.  */
+    if (i > cutoff || (i == cutoff && c > cutlim))
+      overflow = 1;
+    else
+    {
+      i *= (ulongtype) base;
+      i += c;
+    }
+  }
+
+  /* Check if anything actually happened.  */
+  if (s == save)
+    goto noconv;
+
+  /* Store in ENDPTR the address of one character
+     past the last character we converted.  */
+  if (endptr != NULL)
+    *endptr = (char *) s;
+
+#ifndef USE_UNSIGNED
+  /* Check for a value that is within the range of
+     `unsigned long int', but outside the range of `long int'.	*/
+  if (negative)
+  {
+    if (i  > (ulongtype) TYPE_MIN)
+      overflow = 1;
+  }
+  else if (i > (ulongtype) TYPE_MAX)
+    overflow = 1;
+#endif
+
+  if (overflow)
+  {
+    my_errno=ERANGE;
+#ifdef USE_UNSIGNED
+    return UTYPE_MAX;
+#else
+    return negative ? TYPE_MIN : TYPE_MAX;
+#endif
+  }
+
+  /* Return the result of the appropriate sign.  */
+  return (negative ? -((longtype) i) : (longtype) i);
+
+noconv:
+  /* There was no number to convert.  */
+  my_errno=EDOM;
+  if (endptr != NULL)
+    *endptr = (char *) nptr;
+  return 0L;
+}
+
+
+#endif