X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fsrc%2Fstore.c;h=12db584ce71a1226da76ae00f12d9a08c9acf9ae;hb=d5b80e59458182b2d557a929a18cb8c70cd56b68;hp=b1a47799b2f6fda42383aba192e4e69057f73a13;hpb=40c90bca9f7e2952bd64faebceb53538f80805a7;p=user%2Fhenk%2Fcode%2Fexim.git diff --git a/src/src/store.c b/src/src/store.c index b1a47799b..12db584ce 100644 --- a/src/src/store.c +++ b/src/src/store.c @@ -144,39 +144,39 @@ if (size > yield_length[store_pool]) { int length = (size <= STORE_BLOCK_SIZE)? STORE_BLOCK_SIZE : size; int mlength = length + ALIGNED_SIZEOF_STOREBLOCK; - storeblock *newblock = NULL; + storeblock * newblock = NULL; /* Sometimes store_reset() may leave a block for us; check if we can use it */ - if (current_block[store_pool] != NULL && - current_block[store_pool]->next != NULL) + if ( (newblock = current_block[store_pool]) + && (newblock = newblock->next) + && newblock->length < length + ) { - newblock = current_block[store_pool]->next; - if (newblock->length < length) - { - /* Give up on this block, because it's too small */ - store_free(newblock); - newblock = NULL; - } + /* Give up on this block, because it's too small */ + store_free(newblock); + newblock = NULL; } /* If there was no free block, get a new one */ - if (newblock == NULL) + if (!newblock) { pool_malloc += mlength; /* Used in pools */ nonpool_malloc -= mlength; /* Exclude from overall total */ newblock = store_malloc(mlength); newblock->next = NULL; newblock->length = length; - if (chainbase[store_pool] == NULL) chainbase[store_pool] = newblock; - else current_block[store_pool]->next = newblock; + if (!chainbase[store_pool]) + chainbase[store_pool] = newblock; + else + current_block[store_pool]->next = newblock; } current_block[store_pool] = newblock; yield_length[store_pool] = newblock->length; next_yield[store_pool] = - (void *)((char *)current_block[store_pool] + ALIGNED_SIZEOF_STOREBLOCK); + (void *)(CS current_block[store_pool] + ALIGNED_SIZEOF_STOREBLOCK); (void) VALGRIND_MAKE_MEM_NOACCESS(next_yield[store_pool], yield_length[store_pool]); } @@ -205,7 +205,7 @@ DEBUG(D_memory) (void) VALGRIND_MAKE_MEM_UNDEFINED(store_last_get[store_pool], size); /* Update next pointer and number of bytes left in the current block. */ -next_yield[store_pool] = (void *)((char *)next_yield[store_pool] + size); +next_yield[store_pool] = (void *)(CS next_yield[store_pool] + size); yield_length[store_pool] -= size; return store_last_get[store_pool]; @@ -273,7 +273,7 @@ int rounded_oldsize = oldsize; if (rounded_oldsize % alignment != 0) rounded_oldsize += alignment - (rounded_oldsize % alignment); -if ((char *)ptr + rounded_oldsize != (char *)(next_yield[store_pool]) || +if (CS ptr + rounded_oldsize != CS (next_yield[store_pool]) || inc > yield_length[store_pool] + rounded_oldsize - oldsize) return FALSE; @@ -295,7 +295,7 @@ DEBUG(D_memory) #endif /* COMPILE_UTILITY */ if (newsize % alignment != 0) newsize += alignment - (newsize % alignment); -next_yield[store_pool] = (char *)ptr + newsize; +next_yield[store_pool] = CS ptr + newsize; yield_length[store_pool] -= newsize - rounded_oldsize; (void) VALGRIND_MAKE_MEM_UNDEFINED(ptr + oldsize, inc); return TRUE; @@ -325,9 +325,9 @@ Returns: nothing void store_reset_3(void *ptr, const char *filename, int linenumber) { -storeblock *bb; -storeblock *b = current_block[store_pool]; -char *bc = (char *)b + ALIGNED_SIZEOF_STOREBLOCK; +storeblock * bb; +storeblock * b = current_block[store_pool]; +char * bc = CS b + ALIGNED_SIZEOF_STOREBLOCK; int newlength; /* Last store operation was not a get */ @@ -337,14 +337,14 @@ store_last_get[store_pool] = NULL; /* See if the place is in the current block - as it often will be. Otherwise, search for the block in which it lies. */ -if ((char *)ptr < bc || (char *)ptr > bc + b->length) +if (CS ptr < bc || CS ptr > bc + b->length) { - for (b = chainbase[store_pool]; b != NULL; b = b->next) + for (b = chainbase[store_pool]; b; b = b->next) { - bc = (char *)b + ALIGNED_SIZEOF_STOREBLOCK; - if ((char *)ptr >= bc && (char *)ptr <= bc + b->length) break; + bc = CS b + ALIGNED_SIZEOF_STOREBLOCK; + if (CS ptr >= bc && CS ptr <= bc + b->length) break; } - if (b == NULL) + if (!b) log_write(0, LOG_MAIN|LOG_PANIC_DIE, "internal error: store_reset(%p) " "failed: pool=%d %-14s %4d", ptr, store_pool, filename, linenumber); } @@ -352,17 +352,21 @@ if ((char *)ptr < bc || (char *)ptr > bc + b->length) /* Back up, rounding to the alignment if necessary. When testing, flatten the released memory. */ -newlength = bc + b->length - (char *)ptr; +newlength = bc + b->length - CS ptr; #ifndef COMPILE_UTILITY -if (running_in_test_harness) +if (running_in_test_harness || debug_store) { - (void) VALGRIND_MAKE_MEM_DEFINED(ptr, newlength); - memset(ptr, 0xF0, newlength); + assert_no_variables(ptr, newlength, filename, linenumber); + if (running_in_test_harness) + { + (void) VALGRIND_MAKE_MEM_DEFINED(ptr, newlength); + memset(ptr, 0xF0, newlength); + } } #endif (void) VALGRIND_MAKE_MEM_NOACCESS(ptr, newlength); yield_length[store_pool] = newlength - (newlength % alignment); -next_yield[store_pool] = (char *)ptr + (newlength % alignment); +next_yield[store_pool] = CS ptr + (newlength % alignment); current_block[store_pool] = b; /* Free any subsequent block. Do NOT free the first successor, if our @@ -370,20 +374,29 @@ current block has less than 256 bytes left. This should prevent us from flapping memory. However, keep this block only when it has the default size. */ if (yield_length[store_pool] < STOREPOOL_MIN_SIZE && - b->next != NULL && + b->next && b->next->length == STORE_BLOCK_SIZE) { b = b->next; - (void) VALGRIND_MAKE_MEM_NOACCESS((char *)b + ALIGNED_SIZEOF_STOREBLOCK, +#ifndef COMPILE_UTILITY + if (running_in_test_harness || debug_store) + assert_no_variables(b, b->length + ALIGNED_SIZEOF_STOREBLOCK, + filename, linenumber); +#endif + (void) VALGRIND_MAKE_MEM_NOACCESS(CS b + ALIGNED_SIZEOF_STOREBLOCK, b->length - ALIGNED_SIZEOF_STOREBLOCK); } bb = b->next; b->next = NULL; -while (bb != NULL) +while ((b = bb)) { - b = bb; +#ifndef COMPILE_UTILITY + if (running_in_test_harness || debug_store) + assert_no_variables(b, b->length + ALIGNED_SIZEOF_STOREBLOCK, + filename, linenumber); +#endif bb = bb->next; pool_malloc -= b->length + ALIGNED_SIZEOF_STOREBLOCK; store_free_3(b, filename, linenumber); @@ -442,7 +455,7 @@ storeblock *b; for (b = chainbase[store_pool]; b != NULL; b = b->next) { storeblock *bb = b->next; - if (bb != NULL && (char *)block == (char *)bb + ALIGNED_SIZEOF_STOREBLOCK) + if (bb != NULL && CS block == CS bb + ALIGNED_SIZEOF_STOREBLOCK) { b->next = bb->next; pool_malloc -= bb->length + ALIGNED_SIZEOF_STOREBLOCK;