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authorderaadt <>2020-05-17 14:44:20 +0000
committerderaadt <>2020-05-17 14:44:20 +0000
commit032a35a73bdeb0ea0007bfc5219e6c96db991681 (patch)
treef1c45f2a3256214176ebde26c9d04964fae745f8 /src/lib/libcrypto/arc4random/getentropy_linux.c
parentce127c177d706b882344b219271b26080aea2efe (diff)
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As done everywhere else, use a local version of MINIMUM() and avoid
conflict against a potential define min() from some other scope.
Diffstat (limited to 'src/lib/libcrypto/arc4random/getentropy_linux.c')
-rw-r--r--src/lib/libcrypto/arc4random/getentropy_linux.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/lib/libcrypto/arc4random/getentropy_linux.c b/src/lib/libcrypto/arc4random/getentropy_linux.c
index 6b220be311..bc7a6bef7b 100644
--- a/src/lib/libcrypto/arc4random/getentropy_linux.c
+++ b/src/lib/libcrypto/arc4random/getentropy_linux.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: getentropy_linux.c,v 1.46 2018/11/20 08:04:28 deraadt Exp $ */ 1/* $OpenBSD: getentropy_linux.c,v 1.47 2020/05/17 14:44:20 deraadt Exp $ */
2 2
3/* 3/*
4 * Copyright (c) 2014 Theo de Raadt <deraadt@openbsd.org> 4 * Copyright (c) 2014 Theo de Raadt <deraadt@openbsd.org>
@@ -57,7 +57,7 @@
57#include <sys/vfs.h> 57#include <sys/vfs.h>
58 58
59#define REPEAT 5 59#define REPEAT 5
60#define min(a, b) (((a) < (b)) ? (a) : (b)) 60#define MINIMUM(a, b) (((a) < (b)) ? (a) : (b))
61 61
62#define HX(a, b) \ 62#define HX(a, b) \
63 do { \ 63 do { \
@@ -260,7 +260,7 @@ getentropy_sysctl(void *buf, size_t len)
260 int save_errno = errno; 260 int save_errno = errno;
261 261
262 for (i = 0; i < len; ) { 262 for (i = 0; i < len; ) {
263 size_t chunk = min(len - i, 16); 263 size_t chunk = MINIMUM(len - i, 16);
264 264
265 /* SYS__sysctl because some systems already removed sysctl() */ 265 /* SYS__sysctl because some systems already removed sysctl() */
266 struct __sysctl_args args = { 266 struct __sysctl_args args = {
@@ -515,8 +515,8 @@ getentropy_fallback(void *buf, size_t len)
515#endif 515#endif
516 516
517 SHA512_Final(results, &ctx); 517 SHA512_Final(results, &ctx);
518 memcpy((char *)buf + i, results, min(sizeof(results), len - i)); 518 memcpy((char *)buf + i, results, MINIMUM(sizeof(results), len - i));
519 i += min(sizeof(results), len - i); 519 i += MINIMUM(sizeof(results), len - i);
520 } 520 }
521 explicit_bzero(&ctx, sizeof ctx); 521 explicit_bzero(&ctx, sizeof ctx);
522 explicit_bzero(results, sizeof results); 522 explicit_bzero(results, sizeof results);