diff options
Diffstat (limited to 'src/stdio/__scanf.c')
| -rw-r--r-- | src/stdio/__scanf.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/stdio/__scanf.c b/src/stdio/__scanf.c index f746a6ab..75e42942 100644 --- a/src/stdio/__scanf.c +++ b/src/stdio/__scanf.c @@ -230,7 +230,7 @@ int __scanf(struct io_options *opt, const char * format, va_list arg) char *str = va_arg(arg, char *); - /* TODO: only use widht if conv.has_width == 1 */ + /* TODO: only use width if conv.has_width == 1 */ for (uintmax_t i = 0; i < conv.width; i++) { int c = __get(opt); if (isspace(c)) { @@ -248,6 +248,18 @@ int __scanf(struct io_options *opt, const char * format, va_list arg) case 'p': /* previous printf("%p"); */ + char str_ptr[sizeof(void *) * 2 + 3]; + for (size_t i = 0; i < sizeof(str_ptr); i++) { + /* TODO: error checking */ + str_ptr[i] = __get(opt); + } + ASSERT_PREV_STRING(str_ptr, __stdio.formatted_pointers, __stdio.nformatted_pointers, "printf() or similar"); + void **ptr = va_arg(arg, void **); + if (ptr == NULL) { + UNDEFINED("parameter is NULL"); + } + *ptr = (void*)strtoumax(str_ptr, NULL, 0); + break; case 'n': /* output a number */ |