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Overview
| Comment: | Initialize the output buffer for blob_compress prior to invoking zlib in order to avoid valgrind warnings about reading uninitialized memory. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
c9bb729d5df44cab1ec52314a51280a2 |
| User & Date: | drh 2011-05-12 14:04:26 |
Context
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2011-05-12
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| 14:17 | Back out the previous change, which was bogus. Remove traces of the FOSSIL_I18N compile-time option which is not actually used anywhere in the code anymore. check-in: 0613db18 user: drh tags: trunk | |
| 14:04 | Initialize the output buffer for blob_compress prior to invoking zlib in order to avoid valgrind warnings about reading uninitialized memory. check-in: c9bb729d user: drh tags: trunk | |
| 12:02 | Change fossil_malloc() so that it does not report "out of memory" when allocating zero bytes. check-in: 6b382b08 user: drh tags: trunk | |
Changes
Changes to src/blob.c.
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unsigned int nOut = 13 + nIn + (nIn+999)/1000;
unsigned long int nOut2;
unsigned char *outBuf;
Blob temp;
blob_zero(&temp);
blob_resize(&temp, nOut+4);
outBuf = (unsigned char*)blob_buffer(&temp);
outBuf[0] = nIn>>24 & 0xff;
outBuf[1] = nIn>>16 & 0xff;
outBuf[2] = nIn>>8 & 0xff;
outBuf[3] = nIn & 0xff;
nOut2 = (long int)nOut;
compress(&outBuf[4], &nOut2,
(unsigned char*)blob_buffer(pIn), blob_size(pIn));
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> |
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unsigned int nOut = 13 + nIn + (nIn+999)/1000;
unsigned long int nOut2;
unsigned char *outBuf;
Blob temp;
blob_zero(&temp);
blob_resize(&temp, nOut+4);
outBuf = (unsigned char*)blob_buffer(&temp);
memset(outBuf, 0, nOut+4);
outBuf[0] = nIn>>24 & 0xff;
outBuf[1] = nIn>>16 & 0xff;
outBuf[2] = nIn>>8 & 0xff;
outBuf[3] = nIn & 0xff;
nOut2 = (long int)nOut;
compress(&outBuf[4], &nOut2,
(unsigned char*)blob_buffer(pIn), blob_size(pIn));
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