Viewing file:  pr103217-2.c (1.13 KB) -rw-r--r--
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typedef __SIZE_TYPE__ size_t;
extern void *calloc (size_t __nmemb, size_t __size)
__attribute__ ((__nothrow__ , __leaf__, __malloc__, __alloc_size__ (1, 2)));
extern char *strdup (const char *__s)
__attribute__ ((__nothrow__ , __leaf__, __malloc__, __nonnull__ (1)));
extern void abort (void)
__attribute__ ((__nothrow__ , __leaf__, __noreturn__));
extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
__attribute__ ((__nothrow__ , __leaf__, __nonnull__ (2, 3)));
extern char *optarg;
extern void free (void *__ptr)
__attribute__ ((__nothrow__ , __leaf__));
char *xstrdup(const char *src) {
char *val = strdup(src);
if (!val)
abort();
return val;
}
struct test {
char *one, *two;
};
int main(int argc, char *argv[]) {
struct test *options = calloc(1, sizeof(*options));
int rc;
if (!options)
abort();
while ((rc = getopt(argc, argv, "a:b:")) != -1) {
switch (rc) {
case 'a':
free(options->one);
options->one = xstrdup(optarg);
break;
case 'b':
free(options->two);
options->two = xstrdup(optarg);
break;
}
}
free(options->one);
free(options->two);
free(options);
return 0;
}
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