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authorMattias Andrée <maandree@kth.se>2024-08-18 09:58:23 +0200
committerMattias Andrée <maandree@kth.se>2024-08-18 09:58:23 +0200
commita69f0f613687edf6c1f1ee83b462f77e8ea3c9a9 (patch)
treed976683461a0f427d2f1ef79a8732a048dd0c67b /vmemalloc.c
parentMerge tag '1.3' into since (diff)
parentUpdate VERSION_MINOR (diff)
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Merge tag '1.4' into since
Version 1.4
Diffstat (limited to 'vmemalloc.c')
-rw-r--r--vmemalloc.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/vmemalloc.c b/vmemalloc.c
index 8d92035..d725374 100644
--- a/vmemalloc.c
+++ b/vmemalloc.c
@@ -1,5 +1,5 @@
/* See LICENSE file for copyright and license details. */
-#include "libsimple.h"
+#include "common.h"
#include <stdalign.h>
#ifndef TEST
@@ -76,7 +76,7 @@ vmemalloc_parse_args(struct memalloc_state *state, size_t n, va_list ap)
case LIBSIMPLE_MEMALLOC_CONDITIONAL_ZERO_INIT:
if (state->zero_init >= 0)
goto inval;
- state->zero_init = va_arg(ap, int);
+ state->zero_init = (char)va_arg(ap, int);
state->zero_init = !!state->zero_init;
break;
@@ -158,23 +158,35 @@ vmemalloc_parse_args(struct memalloc_state *state, size_t n, va_list ap)
}
}
- return 0;
inval:
errno = EINVAL;
return -1;
}
+LIBSIMPLE_GCC_ONLY__(__attribute__((__const__)))
static size_t
gcd(size_t u, size_t v)
{
size_t t;
int shift = 0;
/* Not needed because u>0, v>0: if (!(u | v)) return u + v; */
- while (!((u | v) & 1)) u >>= 1, v >>= 1, shift++;
- while (!(u & 1)) u >>= 1;
+ while (!((u | v) & 1)) {
+ u >>= 1;
+ v >>= 1;
+ shift++;
+ }
+ while (!(u & 1)) {
+ u >>= 1;
+ }
do {
- while (!(v & 1)) v >>= 1;
- if (u > v) t = u, u = v, v = t;
+ while (!(v & 1)) {
+ v >>= 1;
+ }
+ if (u > v) {
+ t = u;
+ u = v;
+ v = t;
+ }
} while (v -= u);
return u << shift;
}