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Sourcecode: yodl version File versions  Download package

igramonenumber.c

#include "yodl.h"

static void
numbererror (char const *sym, char const *list)
{
  error_gram (sym,
            "exactly one number in parlist expected instead of %s",
            list);
}

int
gram_onenumber (char const *sym, char const *list)
{
  int
    index, ret;

  if (!list || !*list)
    numbererror (sym, list);

  /* try to find counter with name list */
  if ((index = strtab_find (countername, ncountername, list)) > -1)
    ret = counterval[index];
  /* nope.. interpret list as a numeric value */
  else if (!sscanf (list, "%d", &ret))
    numbererror (sym, list);

  return (ret);
}

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