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authorLeah Rowe <leah@libreboot.org>2026-03-25 21:07:56 +0000
committerLeah Rowe <leah@libreboot.org>2026-03-26 06:59:42 +0000
commit1e79219bea878b092b6a833b30f2f3a86aebbc33 (patch)
tree916864855588c15beea1d8d3c10df2e1c60a3ef5 /util/libreboot-utils/lib/rand.c
parentee4f765719a8d8882466744ac310196e8f954d4b (diff)
lbutils: new function, mkrbuf (random malloc)
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/libreboot-utils/lib/rand.c')
-rw-r--r--util/libreboot-utils/lib/rand.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/util/libreboot-utils/lib/rand.c b/util/libreboot-utils/lib/rand.c
index 31221d61..e67b7058 100644
--- a/util/libreboot-utils/lib/rand.c
+++ b/util/libreboot-utils/lib/rand.c
@@ -67,6 +67,21 @@
* or your program dies.
*/
+void *
+mkrbuf(size_t n)
+{
+ void *buf;
+
+ if (n == 0)
+ err_no_cleanup(0, EPERM, "mkrbuf: zero-byte request");
+
+ if ((buf = malloc(n)) == NULL)
+ err_no_cleanup(0, ENOMEM, "mkrbuf: malloc");
+
+ rset(buf, n);
+ return buf; /* basically malloc() but with rand */
+}
+
void
rset(void *buf, size_t n)
{
@@ -76,8 +91,7 @@ rset(void *buf, size_t n)
goto err;
if (n == 0)
- err_no_cleanup(0, EPERM,
- "rset: zero-byte length request");
+ err_no_cleanup(0, EPERM, "rset: zero-byte request");
#if (defined(__OpenBSD__) || defined(__FreeBSD__) || \
defined(__NetBSD__) || defined(__APPLE__) || \