| misc.cpp (Firebird-3.0.2.32703-0.tar.bz2) | : | misc.cpp (Firebird-3.0.4.33054-0.tar.bz2) |
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| skipping to change at line 34 | | skipping to change at line 34 |
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| * | | * |
| */ | | */ |
| | |
| #include "firebird.h" | | #include "firebird.h" |
| #include <stdio.h> | | #include <stdio.h> |
| #include <string.h> | | #include <string.h> |
| #include "../burp/burp.h" | | #include "../burp/burp.h" |
| #include "../burp/burp_proto.h" | | #include "../burp/burp_proto.h" |
| #include "../burp/misc_proto.h" | | #include "../burp/misc_proto.h" |
| | |
|
| UCHAR *MISC_alloc_burp(ULONG size) | | |
| { | | |
| /************************************** | | |
| * | | |
| * M I S C _ a l l o c _ b u r p | | |
| * | | |
| ************************************** | | |
| * | | |
| * Functional description | | |
| * Allocate block of memory. Note that it always zeros out memory. | | |
| * This could be optimized. | | |
| * | | |
| **************************************/ | | |
| | |
| BurpGlobals* tdgbl = BurpGlobals::getSpecific(); | | |
| | |
| // Add some header space to store a list of blocks allocated for this gba | | |
| k | | |
| size += ROUNDUP(sizeof(UCHAR *), FB_ALIGNMENT); | | |
| | |
| UCHAR* block = (UCHAR*)gds__alloc(size); | | |
| | |
| if (!block) | | |
| { | | |
| // NOMEM: message & abort FREE: all items freed at gbak exit | | |
| BURP_error(238, true); | | |
| // msg 238: System memory exhaused | | |
| return NULL; | | |
| } | | |
| | |
| memset(block, 0, size); | | |
| | |
| // FREE: We keep a linked list of all gbak memory allocations, which | | |
| // are then freed when gbak exits. This is important for | | |
| // NETWARE in particular. | | |
| | |
| *((UCHAR**) block) = tdgbl->head_of_mem_list; | | |
| tdgbl->head_of_mem_list = block; | | |
| | |
| return (block + ROUNDUP(sizeof(UCHAR *), FB_ALIGNMENT)); | | |
| } | | |
| | |
| void MISC_free_burp( void *free) | | |
| { | | |
| /************************************** | | |
| * | | |
| * M I S C _ f r e e _ b u r p | | |
| * | | |
| ************************************** | | |
| * | | |
| * Functional description | | |
| * Release an unwanted block. | | |
| * | | |
| **************************************/ | | |
| BurpGlobals* tdgbl = BurpGlobals::getSpecific(); | | |
| | |
| if (free != NULL) | | |
| { | | |
| // Point at the head of the allocated block | | |
| UCHAR** block = (UCHAR**) ((UCHAR*) free - ROUNDUP(sizeof(UCHAR*) | | |
| , FB_ALIGNMENT)); | | |
| | |
| // Scan for this block in the list of blocks | | |
| for (UCHAR **ptr = &tdgbl->head_of_mem_list; *ptr; ptr = (UCHAR * | | |
| *) *ptr) | | |
| { | | |
| if (*ptr == (UCHAR *) block) | | |
| { | | |
| // Found it - remove it from the list | | |
| *ptr = *block; | | |
| | |
| // and free it | | |
| gds__free(block); | | |
| return; | | |
| } | | |
| } | | |
| | |
| // We should always find the block in the list | | |
| BURP_error(238, true); | | |
| // msg 238: System memory exhausted | | |
| // (too lazy to add a better message) | | |
| } | | |
| } | | |
| | | |
| // Since this code appears everywhere, it makes more sense to isolate it | | // Since this code appears everywhere, it makes more sense to isolate it |
| // in a function visible to all gbak components. | | // in a function visible to all gbak components. |
| // Given a request, if it's non-zero (compiled), deallocate it but | | // Given a request, if it's non-zero (compiled), deallocate it but |
| // without caring about a possible error. | | // without caring about a possible error. |
| void MISC_release_request_silent(isc_req_handle& req_handle) | | void MISC_release_request_silent(isc_req_handle& req_handle) |
| { | | { |
| if (req_handle) | | if (req_handle) |
| { | | { |
| ISC_STATUS_ARRAY req_status; | | ISC_STATUS_ARRAY req_status; |
| isc_release_request(req_status, &req_handle); | | isc_release_request(req_status, &req_handle); |
| | | |
| End of changes. 1 change blocks. |
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| 84 lines changed or deleted | | 0 lines changed or added |
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