helper/cmdline.c

   1 #include "cmdline.h"
   2 #include "printing.h"
   3 #include "locales.h"
   4 #include <stdlib.h>
   5 #include <errno.h>
   6 #include <limits.h>
   7
   8 long int GetInt(const char* param)
   9 {
  10     long int result;
  11     char *endptr;
  12
  13     errno = 0;
  14
  15     result = strtol(param, &endptr, 10);
  16
  17 #ifdef WIN64
  18     /* Win64 has even more broken behavior, it returns -1 on range error */
  19     if ((errno == ERANGE && (result == LONG_MAX || result == LONG_MIN || result == -1))) {
  20 #elif defined(WIN32)
  21     /* Windows do not report correctly errno */
  22     if (result == LONG_MAX || result == LONG_MIN) {
  23 #else
  24     if ((errno == ERANGE && (result == LONG_MAX || result == LONG_MIN))) {
  25 #endif
  26         printf_err(_("Number out of range: %s\n"), param);
  27         exit(2);
  28     }
  29
  30     if (*endptr != '\0') {
  31         printf_err(_("Parameter is not a number: %s\n"), param);
  32         exit(2);
  33     }
  34
  35     return result;
  36 }