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Better error handling and logging

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topjohnwu
2020-12-05 10:23:49 -08:00
parent ff0a76606e
commit 2a694596b5
3 changed files with 17 additions and 3 deletions
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11
native/jni/utils/files.cpp
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@ -273,10 +273,17 @@ void fclone_attr(int src, int dest) {
}
void *__mmap(const char *filename, size_t *size, bool rw) {
int fd = xopen(filename, (rw ? O_RDWR : O_RDONLY) | O_CLOEXEC);
if (fd < 0) {
*size = 0;
return nullptr;
}
struct stat st;
void *buf;
int fd = xopen(filename, (rw ? O_RDWR : O_RDONLY) | O_CLOEXEC);
fstat(fd, &st);
if (fstat(fd, &st)) {
*size = 0;
return nullptr;
}
if (S_ISBLK(st.st_mode))
ioctl(fd, BLKGETSIZE64, size);
else