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lbutils: new function, mkrbuf (random malloc)

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-25 21:07:56 +00:00
parent ee4f765719
commit 1e79219bea
2 changed files with 17 additions and 2 deletions
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util/libreboot-utils/include/common.h
+1
View File
@@ -384,6 +384,7 @@ int dcat(const char *s, size_t n,
*/
unsigned short hextonum(char ch_s);
void *mkrbuf(size_t n);
void rset(void *buf, size_t n);
/* Helper functions for command: dump
util/libreboot-utils/lib/rand.c
+16 -2
View File
@@ -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__) || \