tools/release-tools/common.c

   1 /*
   2  * Copyright (c) 2002, Stockholms Universitet
   3  * (Stockholm University, Stockholm Sweden)
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the university nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/types.h>
  35 #include <atypes.h>
  36
  37 #include <stdlib.h>
  38 #include <limits.h>
  39 #include <err.h>
  40 #include <ctype.h>
  41 #include <string.h>
  42
  43 #include "common.h"
  44
  45 int64_t
  46 estrntoll(const char *str, size_t len, int base)
  47 {
  48     char *endptr, *p;
  49     int64_t num;
  50
  51     p = malloc(len + 1);
  52     if (p == NULL)
  53         errx(1, "malloc");
  54
  55     memcpy(p, str, len);
  56     p[len] = '\0';
  57
  58 #if defined(HAVE_STRTOLL)
  59     num = strtoll(p, &endptr, base);
  60 #elif defined(HAVE_STRTOQ)
  61     num = strtoq(p, &endptr, base);
  62 #else
  63     num = strtol(p, &endptr, base);
  64 #endif
  65
  66     while(*endptr != '\0' && isspace((int)*endptr))
  67             endptr++;
  68
  69     if (*endptr != '\0')
  70         errx(1, "error parsing number %s", p);
  71     return num;
  72 }
  73