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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 |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
c9bb729d5df44cab1ec52314a51280a2 |
User & Date: | drh 2011-05-12 14:04:26.534 |
Context
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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781 782 783 784 785 786 787 788 789 790 791 792 793 794 | 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)); | > | 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 | 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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