src/util/test.h

   1 /* Test library */
   2
   3 #ifndef EL__UTIL_TEST_H
   4 #define EL__UTIL_TEST_H
   5
   6 #include <stdlib.h>
   7
   8 static inline void
   9 #if (__GNUC__ == 2 && __GNUC_MINOR__ >= 5) || __GNUC__ > 2
  10 __attribute__((noreturn))
  11 #endif
  12 die(const char *msg, ...)
  13 {
  14         va_list args;
  15
  16         if (msg) {
  17                 va_start(args, msg);
  18                 vfprintf(stderr, msg, args);
  19                 fputs("\n", stderr);
  20                 va_end(args);
  21         }
  22
  23         exit(EXIT_FAILURE);
  24 }
  25
  26 static inline int
  27 get_test_opt(char **argref, const char *name, int *argi, int argc, char *argv[],
  28              const char *expect_msg)
  29 {
  30         char *arg = *argref;
  31         int namelen = strlen(name);
  32
  33         if (strncmp(arg, name, namelen))
  34                 return 0;
  35
  36         arg += namelen;
  37         if (*arg == '=') {
  38                 (*argref) = arg + 1;
  39
  40         } else if (!*arg) {
  41                 (*argi)++;
  42                 if ((*argi) >= argc)
  43                         die("--%s expects %s", name, expect_msg);
  44                 (*argref) = argv[(*argi)];
  45
  46         } else {
  47                 return 0;
  48         }
  49
  50         return 1;
  51 }
  52
  53 #endif