138 static void ebFree(ExpandBuf* pBuf)  in ebFree()  argument
140     if (pBuf != NULL) {  in ebFree()
141         free(pBuf->storage);  in ebFree()
142         free(pBuf);  in ebFree()
152 static inline unsigned char* ebGetBuffer(ExpandBuf* pBuf)  in ebGetBuffer()  argument
154     return pBuf->storage;  in ebGetBuffer()
160 static inline size_t ebGetLength(ExpandBuf* pBuf)  in ebGetLength()  argument
162     return pBuf->curLen;  in ebGetLength()
168 static void ebClear(ExpandBuf* pBuf)  in ebClear()  argument
170     pBuf->curLen = 0;  in ebClear()
176 static int ebEnsureCapacity(ExpandBuf* pBuf, int size)  in ebEnsureCapacity()  argument
180     if (pBuf->curLen + size > pBuf->maxLen) {  in ebEnsureCapacity()
181         int newSize = pBuf->curLen + size + 128;    /* oversize slightly */  in ebEnsureCapacity()
182         unsigned char* newStorage = realloc(pBuf->storage, newSize);  in ebEnsureCapacity()
188         pBuf->storage = newStorage;  in ebEnsureCapacity()
189         pBuf->maxLen = newSize;  in ebEnsureCapacity()
192     assert(pBuf->curLen + size <= pBuf->maxLen);  in ebEnsureCapacity()
199 static int ebAddData(ExpandBuf* pBuf, const void* data, size_t count)  in ebAddData()  argument
201     ebEnsureCapacity(pBuf, count);  in ebAddData()
202     memcpy(pBuf->storage + pBuf->curLen, data, count);  in ebAddData()
203     pBuf->curLen += count;  in ebAddData()
210 static int ebReadString(ExpandBuf* pBuf, FILE* in)  in ebReadString()  argument
215         ebEnsureCapacity(pBuf, 1);  in ebReadString()
223         pBuf->storage[pBuf->curLen++] = (unsigned char) ic;  in ebReadString()
235 static int ebReadData(ExpandBuf* pBuf, FILE* in, size_t count, int eofExpected)  in ebReadData()  argument
241     ebEnsureCapacity(pBuf, count);  in ebReadData()
242     actual = fread(pBuf->storage + pBuf->curLen, 1, count, in);  in ebReadData()
252     pBuf->curLen += count;  in ebReadData()
253     assert(pBuf->curLen <= pBuf->maxLen);  in ebReadData()
261 static int ebWriteData(ExpandBuf* pBuf, FILE* out)  in ebWriteData()  argument
265     assert(pBuf->curLen > 0);  in ebWriteData()
266     assert(pBuf->curLen <= pBuf->maxLen);  in ebWriteData()
268     actual = fwrite(pBuf->storage, 1, pBuf->curLen, out);  in ebWriteData()
269     if (actual != pBuf->curLen) {  in ebWriteData()
270         fprintf(stderr, "ERROR: write %zu of %zu bytes\n", actual, pBuf->curLen);  in ebWriteData()
274     pBuf->curLen = 0;  in ebWriteData()
440 static int processHeapDump(ExpandBuf* pBuf, FILE* out, int flags)  in processHeapDump()  argument
443     unsigned char* origBuf = ebGetBuffer(pBuf);  in processHeapDump()
445     int len = ebGetLength(pBuf);  in processHeapDump()
450     pBuf = NULL;        /* we just use the raw pointer from here forward */  in processHeapDump()
607     ExpandBuf* pBuf;  in filterData()  local
610     pBuf = ebAlloc();  in filterData()
611     if (pBuf == NULL)  in filterData()
617     if (ebReadString(pBuf, in) != 0)  in filterData()
620     magicString = (const char*)ebGetBuffer(pBuf);  in filterData()
631     (ebGetBuffer(pBuf))[17] = '2';  in filterData()
632     if (ebWriteData(pBuf, out) != 0)  in filterData()
640     if (ebReadData(pBuf, in, 12, FALSE) != 0)  in filterData()
642     if (ebWriteData(pBuf, out) != 0)  in filterData()
652         assert(ebGetLength(pBuf) == 0);  in filterData()
655         if (ebReadData(pBuf, in, 1, TRUE) != 0)  in filterData()
661         if (ebReadData(pBuf, in, kRecHdrLen-1, FALSE) != 0)  in filterData()
664         unsigned char* buf = ebGetBuffer(pBuf);  in filterData()
675             if (ebReadData(pBuf, in, length, FALSE) != 0)  in filterData()
683             if (processHeapDump(pBuf, out, flags) != 0)  in filterData()
685             ebClear(pBuf);  in filterData()
689             if (ebWriteData(pBuf, out) != 0)  in filterData()
697     ebFree(pBuf);  in filterData()