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[tools] fix padding between end of the kernel and beginning of the rootfs in imagetag (#5108)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15801 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -153,7 +153,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
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struct imagetag tag;
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struct kernelhdr khdr;
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FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile;
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size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen;
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size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen, rootfsoffpadlen;
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uint8_t readbuf[1024];
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uint32_t crc = IMAGETAG_CRC_START;
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const uint32_t deadcode = htonl(DEADCODE);
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@ -203,6 +203,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
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rootfslen = getlen(rootfsfile);
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rootfslen = (rootfslen % flash_bs) > 0 ? (((rootfslen / flash_bs) + 1) * flash_bs) : rootfslen;
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imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode);
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rootfsoffpadlen = rootfsoff - (kerneloff + kernellen);
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/* Seek to the start of the kernel */
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fseek(binfile, kerneloff - fwaddr, SEEK_SET);
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@ -260,7 +261,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
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if (kernelfile) {
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sprintf(tag.kernel.address, "%lu", kerneloff);
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sprintf(tag.kernel.len, "%lu", kernellen);
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sprintf(tag.kernel.len, "%lu", kernellen + rootfsoffpadlen);
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}
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if (rootfsfile) {
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