gcc/testsuite/c-c++-common/analyzer/pr103217-3.c

   1 /* { dg-additional-options "-Wno-analyzer-too-complex" } */
   2
   3 extern char *strdup (const char *__s)
   4   __attribute__ ((__nothrow__ , __leaf__, __malloc__, __nonnull__ (1)));
   5
   6 extern void abort (void)
   7   __attribute__ ((__nothrow__ , __leaf__, __noreturn__));
   8
   9 extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
  10   __attribute__ ((__nothrow__ , __leaf__, __nonnull__ (2, 3)));
  11 extern char *optarg;
  12
  13 extern void free (void *__ptr)
  14   __attribute__ ((__nothrow__ , __leaf__));
  15
  16 struct state {
  17   const char *confpath;
  18   const char *host;
  19   const char *port;
  20   const char *state_dir_prefix;
  21 };
  22
  23 static inline char *xstrdup(const char *s) {
  24         char *val = strdup(s);
  25         if (!val)
  26                 abort();
  27         return val;
  28 }
  29
  30 int config_init(struct state *config);
  31
  32 int main(int argc, char *argv[]) {
  33         int rc;
  34         struct state state = { 0 };
  35
  36         config_init(&state);
  37
  38         while ((rc = getopt(argc, argv, "H:p:")) != -1) {
  39                 switch (rc) {
  40                 case 'H':
  41                         free((void*)state.host);
  42                         state.host = xstrdup(optarg);
  43                         break;
  44                 case 'p':
  45                         free((void*)state.port);
  46                         state.port = xstrdup(optarg);
  47                         break;
  48                 }
  49         }
  50
  51         free((void*)state.host);
  52         free((void*)state.port);
  53         return rc;
  54 }