1  /* Adapted from
       2     https://github.com/stackpath/rxtxcpu/blob/816d86c5d49c4db2ea5649f6b87e96da5af660f1/cpu.c
       3     which is MIT-licensed.  */
       4  
       5  typedef __SIZE_TYPE__ size_t;
       6  #define NULL ((void *)0)
       7  
       8  extern size_t strlen (const char *__s)
       9    __attribute__ ((__nothrow__ , __leaf__))
      10    __attribute__ ((__pure__))
      11    __attribute__ ((__nonnull__ (1)));
      12  extern char *strdup (const char *__s)
      13    __attribute__ ((__nothrow__ , __leaf__))
      14    __attribute__ ((__malloc__))
      15    __attribute__ ((__nonnull__ (1)));
      16  extern char *strsep (char **__restrict __stringp,
      17  		     const char *__restrict __delim)
      18    __attribute__ ((__nothrow__ , __leaf__))
      19    __attribute__ ((__nonnull__ (1, 2)));
      20  extern long int strtol (const char *__restrict __nptr,
      21  			char **__restrict __endptr, int __base)
      22    __attribute__ ((__nothrow__ , __leaf__))
      23    __attribute__ ((__nonnull__ (1)));
      24  extern void free (void *__ptr)
      25    __attribute__ ((__nothrow__ , __leaf__));
      26  
      27  #define CPU_LIST_BASE 10
      28  
      29  int parse_cpu_list(char *cpu_list) {
      30    if (strlen(cpu_list) == 0) {
      31      return 0;
      32    }
      33  
      34    char *endptr;
      35    char *tofree, *string, *range;
      36  
      37    tofree = string = strdup(cpu_list); /* { dg-message "allocated here" } */
      38  
      39    while ((range = strsep(&string, ",")) != NULL) {
      40      int first = strtol(range, &endptr, CPU_LIST_BASE);
      41      if (!*endptr) {
      42        continue;
      43      }
      44      char *save = endptr;
      45      endptr++;
      46      int last = strtol(endptr, &endptr, CPU_LIST_BASE);
      47      if (save[0] != '-' || *endptr || last < first) {
      48        return -1; /* { dg-warning "leak of 'tofree'" } */
      49      }
      50    }
      51    free(tofree);
      52    return 0;
      53  }