diff options
author | Omar Polo <op@omarpolo.com> | 2021-01-21 15:37:02 +0000 |
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committer | Omar Polo <op@omarpolo.com> | 2021-01-21 15:37:02 +0000 |
commit | 5c342d059f884b73823e5a466902a3826b17e6c7 (patch) | |
tree | 82915c2da7cb8dc82823906b5373cfbaa675fdc6 /have | |
parent | b2a6b6137186dd3fce21640150926a133a35c2c8 (diff) |
more OpenBSD goodies
Diffstat (limited to 'have')
-rw-r--r-- | have/explicit_bzero.c | 10 | ||||
-rw-r--r-- | have/recallocarray.c | 11 | ||||
-rw-r--r-- | have/strtonum.c | 27 |
3 files changed, 48 insertions, 0 deletions
diff --git a/have/explicit_bzero.c b/have/explicit_bzero.c new file mode 100644 index 0000000..9e8bd70 --- /dev/null +++ b/have/explicit_bzero.c @@ -0,0 +1,10 @@ +#include <string.h> + +int +main(void) +{ + char buf[] = "hello world"; + + explicit_bzero(buf, sizeof(buf)); + return strcmp(buf, ""); +} diff --git a/have/recallocarray.c b/have/recallocarray.c new file mode 100644 index 0000000..e0c60d7 --- /dev/null +++ b/have/recallocarray.c @@ -0,0 +1,11 @@ +#include <stdlib.h> + +int +main(void) +{ + void *p; + + if ((p = calloc(2, 2)) == NULL) + return 1; + return !recallocarray(p, 2, 3, 2); +} diff --git a/have/strtonum.c b/have/strtonum.c new file mode 100644 index 0000000..6e2aad2 --- /dev/null +++ b/have/strtonum.c @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2021 Omar Polo <op@omarpolo.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <stdlib.h> + +int +main(void) +{ + const char *str = "42", *errstr; + int res; + + res = strtonum(str, 1, 64, &errstr); + return res != 42 || errstr != NULL; +} |