X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_string.c;h=1595ec6108b9f00b69ea3293de0cabeeb847e32f;hb=89453bb8a7c9593c48635165b780918bc277c6c5;hp=235438856549af447f90347470916497809f697c;hpb=174e1d4d3011843e7e909c9b378b888c67d02538;p=awesomized%2Flibmemcached diff --git a/lib/memcached_string.c b/lib/memcached_string.c index 23543885..1595ec61 100644 --- a/lib/memcached_string.c +++ b/lib/memcached_string.c @@ -2,7 +2,7 @@ memcached_return memcached_string_check(memcached_string_st *string, size_t need) { - if (need > (size_t)(string->current_size - (size_t)(string->end - string->string))) + if (need && need > (size_t)(string->current_size - (size_t)(string->end - string->string))) { size_t current_offset= string->end - string->string; char *new_value; @@ -18,7 +18,10 @@ memcached_return memcached_string_check(memcached_string_st *string, size_t need if (new_size < need) return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - new_value= (char *)realloc(string->string, new_size); + if (string->root->call_realloc) + new_value= (char *)string->root->call_realloc(string->root, string->string, new_size); + else + new_value= (char *)realloc(string->string, new_size); if (new_value == NULL) return MEMCACHED_MEMORY_ALLOCATION_FAILURE; @@ -27,10 +30,6 @@ memcached_return memcached_string_check(memcached_string_st *string, size_t need string->end= string->string + current_offset; string->current_size+= (string->block_size * adjust); - - /* We zero the block structure we just realloced */ - memset((string->string + current_offset), 0, - sizeof(char) * string->block_size); } return MEMCACHED_SUCCESS; @@ -48,19 +47,27 @@ memcached_string_st *memcached_string_create(memcached_st *ptr, memcached_string } else { - string= (memcached_string_st *)malloc(sizeof(memcached_string_st)); - if (!string) + if (ptr->call_malloc) + string= (memcached_string_st *)ptr->call_malloc(ptr, sizeof(memcached_string_st)); + else + string= (memcached_string_st *)malloc(sizeof(memcached_string_st)); + + if (string == NULL) return NULL; memset(string, 0, sizeof(memcached_string_st)); string->is_allocated= MEMCACHED_ALLOCATED; } - string->end= string->string; - string->block_size= initial_size; + string->block_size= MEMCACHED_BLOCK_SIZE; + string->root= ptr; rc= memcached_string_check(string, initial_size); if (rc != MEMCACHED_SUCCESS) { - free(string); + if (ptr->call_free) + ptr->call_free(ptr, string); + else + free(string); + return NULL; } @@ -69,12 +76,13 @@ memcached_string_st *memcached_string_create(memcached_st *ptr, memcached_string return string; } -memcached_return memcached_string_append_character(memcached_st *ptr, - memcached_string_st *string, +memcached_return memcached_string_append_character(memcached_string_st *string, char character) { memcached_return rc; + WATCHPOINT_ASSERT(string->is_allocated != MEMCACHED_USED); + rc= memcached_string_check(string, 1); if (rc != MEMCACHED_SUCCESS) @@ -86,11 +94,13 @@ memcached_return memcached_string_append_character(memcached_st *ptr, return MEMCACHED_SUCCESS; } -memcached_return memcached_string_append(memcached_st *ptr, memcached_string_st *string, +memcached_return memcached_string_append(memcached_string_st *string, char *value, size_t length) { memcached_return rc; + WATCHPOINT_ASSERT(string->is_allocated != MEMCACHED_USED); + rc= memcached_string_check(string, length); if (rc != MEMCACHED_SUCCESS) @@ -106,8 +116,10 @@ memcached_return memcached_string_append(memcached_st *ptr, memcached_string_st return MEMCACHED_SUCCESS; } -size_t memcached_string_backspace(memcached_st *ptr, memcached_string_st *string, size_t remove) +size_t memcached_string_backspace(memcached_string_st *string, size_t remove) { + WATCHPOINT_ASSERT(string->is_allocated != MEMCACHED_USED); + if (string->end - string->string > remove) { size_t difference; @@ -122,16 +134,57 @@ size_t memcached_string_backspace(memcached_st *ptr, memcached_string_st *string return remove; } -memcached_return memcached_string_reset(memcached_st *ptr, memcached_string_st *string) +char *memcached_string_c_copy(memcached_string_st *string) +{ + char *c_ptr; + + WATCHPOINT_ASSERT(string->is_allocated != MEMCACHED_USED); + + if (memcached_string_length(string) == 0) + return NULL; + + if (string->root->call_malloc) + c_ptr= (char *)string->root->call_malloc(string->root, (memcached_string_length(string)+1) * sizeof(char)); + else + c_ptr= (char *)malloc((memcached_string_length(string)+1) * sizeof(char)); + + if (c_ptr == NULL) + return NULL; + + memcpy(c_ptr, memcached_string_value(string), memcached_string_length(string)); + c_ptr[memcached_string_length(string)]= 0; + + return c_ptr; +} + +memcached_return memcached_string_reset(memcached_string_st *string) { + WATCHPOINT_ASSERT(string->is_allocated != MEMCACHED_USED); string->end= string->string; return MEMCACHED_SUCCESS; } -void memcached_string_free(memcached_st *ptr, memcached_string_st *string) +void memcached_string_free(memcached_string_st *ptr) { - free(string->string); - if (string->is_allocated == MEMCACHED_ALLOCATED) - free(string); + if (ptr == NULL) + return; + + if (ptr->string) + { + if (ptr->root->call_free) + ptr->root->call_free(ptr->root, ptr->string); + else + free(ptr->string); + } + + if (ptr->is_allocated == MEMCACHED_ALLOCATED) + { + if (ptr->root->call_free) + ptr->root->call_free(ptr->root, ptr); + else + free(ptr); + } + else + ptr->is_allocated= MEMCACHED_USED; }