[hackers] [libgrapheme] Use (size_t)(-1) instead of SIZE_MAX and fix style || Laslo Hunhold

From: <git_AT_suckless.org>
Date: Sun, 31 Jul 2022 11:47:40 +0200 (CEST)

commit 25d89e6e460e68329e7a3f388fe3e150a8f5474a
Author: Laslo Hunhold <dev_AT_frign.de>
AuthorDate: Sun Jul 31 11:46:48 2022 +0200
Commit: Laslo Hunhold <dev_AT_frign.de>
CommitDate: Sun Jul 31 11:46:48 2022 +0200

    Use (size_t)(-1) instead of SIZE_MAX and fix style
    
    SIZE_MAX cannot be relied upon to fully reflect size_t's size. A
    portable idiom is to simply cast -1 to size_t to get the type's maximum
    value.
    
    Signed-off-by: Laslo Hunhold <dev_AT_frign.de>

diff --git a/gen/util.c b/gen/util.c
index cefcee7..bfe0dbf 100644
--- a/gen/util.c
+++ b/gen/util.c
_AT_@ -34,11 +34,12 @@ struct break_test_payload
 static void *
 reallocate_array(void *p, size_t len, size_t size)
 {
- if (len > 0 && size > SIZE_MAX/len) {
+ if (len > 0 && size > (size_t)(-1) / len) {
                 errno = ENOMEM;
                 return NULL;
         }
- return realloc(p, len*size);
+
+ return realloc(p, len * size);
 }
 
 int
Received on Sun Jul 31 2022 - 11:47:40 CEST