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Pad images to original sizes with zero

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Close #2005
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topjohnwu 2020-09-26 14:36:57 -07:00
parent 2f232fc670
commit c91ebfbcc1
1 changed files with 7 additions and 0 deletions
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7
native/jni/magiskboot/bootimg.cpp
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@ -524,6 +524,13 @@ void repack(const char* src_img, const char* out_img, bool nocomp) {
restore_buf(fd, LG_BUMP_MAGIC, 16);
}
// Pad image to at least original size
auto current_sz = lseek(fd, 0, SEEK_CUR);
if (current_sz < boot.map_size) {
int padding = boot.map_size - current_sz;
write_zero(fd, padding);
}
close(fd);
/*********************