Mercurial > urweb

comparison src/c/urweb.c @ 2017:bcda3ae88677

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Align to sizeof(void *) instead of fixed 4
author Adam Chlipala <adam@chlipala.net>
date Wed, 28 May 2014 11:53:19 -0400
parents 4a93f379c452
children 6372a742ab04 cb74460f046a
comparison
equal deleted inserted replaced
2016:3ed2ee0815d2 2017:bcda3ae88677
1257 } 1257 }
1258 1258
1259 static void align_heap(uw_context ctx) { 1259 static void align_heap(uw_context ctx) {
1260 size_t posn = ctx->heap.front - ctx->heap.start; 1260 size_t posn = ctx->heap.front - ctx->heap.start;
1261 1261
1262 if (posn % 4 != 0) { 1262 if (posn % sizeof(void *) != 0) {
1263 size_t bump = 4 - posn % 4; 1263 size_t bump = sizeof(void *) - posn % sizeof(void *);
1264 uw_check_heap(ctx, bump); 1264 uw_check_heap(ctx, bump);
1265 ctx->heap.front += bump; 1265 ctx->heap.front += bump;
1266 } 1266 }
1267 } 1267 }
1268 1268
1273 // return. 1273 // return.
1274 1274
1275 void *result; 1275 void *result;
1276 1276
1277 if (ctx->amInitializing) { 1277 if (ctx->amInitializing) {
1278 int error = posix_memalign(&result, 4, len); 1278 int error = posix_memalign(&result, sizeof(void *), len);
1279 1279
1280 if (!error) 1280 if (!error)
1281 return result; 1281 return result;
1282 else 1282 else
1283 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error); 1283 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);