gcc/testsuite/c-c++-common/analyzer/pr103217-4.c

   1 extern char *strdup (const char *__s)
   2   __attribute__ ((__nothrow__ , __leaf__, __malloc__, __nonnull__ (1)));
   3
   4 extern void abort (void)
   5   __attribute__ ((__nothrow__ , __leaf__, __noreturn__));
   6
   7 extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
   8   __attribute__ ((__nothrow__ , __leaf__, __nonnull__ (2, 3)));
   9 extern char *optarg;
  10
  11 extern void free (void *__ptr)
  12   __attribute__ ((__nothrow__ , __leaf__));
  13
  14 struct state {
  15   const char *confpath;
  16   const char *host;
  17   const char *port;
  18   const char *state_dir_prefix;
  19 };
  20
  21 static inline char *xstrdup(const char *s) {
  22         char *val = strdup(s);
  23         if (!val)
  24                 abort();
  25         return val;
  26 }
  27
  28 int config_init(struct state *config);
  29
  30 int main(int argc, char *argv[]) {
  31         int rc;
  32         struct state state = { 0 };
  33
  34         config_init(&state);
  35
  36         if ((rc = getopt(argc, argv, "H:p:")) != -1) {
  37                 switch (rc) {
  38                 case 'H':
  39                         free((void*)state.host);
  40                         state.host = xstrdup(optarg);
  41                         break;
  42                 case 'p':
  43                         free((void*)state.port);
  44                         state.port = xstrdup(optarg);
  45                         break;
  46                 }
  47         }
  48
  49         free((void*)state.host);
  50         free((void*)state.port);
  51         return rc;
  52 }