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Fix SAR support for overlay.d

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topjohnwu
2020-04-25 23:19:36 -07:00
parent 2aede97754
commit c7ed0ef5eb
6 changed files with 48 additions and 19 deletions
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15
native/jni/utils/files.cpp
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@@ -301,6 +301,21 @@ void full_read(const char *filename, void **buf, size_t *size) {
close(fd);
}
string fd_full_read(int fd) {
string str;
auto len = lseek(fd, 0, SEEK_END);
str.resize(len);
lseek(fd, 0, SEEK_SET);
xxread(fd, str.data(), len);
return str;
}
string full_read(const char *filename) {
int fd = xopen(filename, O_RDONLY | O_CLOEXEC);
run_finally f([=]{ close(fd); });
return fd < 0 ? "" : fd_full_read(fd);
}
void write_zero(int fd, size_t size) {
char buf[4096] = {0};
size_t len;