storage-backups/PlayIntegrityFix
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improve xread, xwrite
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removed useless code
This commit is contained in:
chiteroman 2025-02-09 09:37:28 +01:00
parent 2269f63ff3
commit bf1217e9e7
1 changed files with 8 additions and 40 deletions
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48
app/src/main/cpp/main.cpp
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@ -20,61 +20,29 @@
#define CUSTOM_JSON_FORK "/data/adb/modules/playintegrityfix/custom.pif.json"
#define CUSTOM_JSON "/data/adb/pif.json"
static inline ssize_t xread(int fd, void *buffer, size_t count) {
auto *buf = static_cast<char *>(buffer);
static ssize_t xread(int fd, void *buffer, size_t count) {
ssize_t total = 0;
char *buf = static_cast<char *>(buffer);
while (count > 0) {
ssize_t ret = read(fd, buf, count);
if (ret < 0) {
// Retry if interrupted
if (errno == EINTR) {
continue;
}
return -1;
}
// If 0, we've hit EOF (read no more data)
if (ret == 0) {
break;
}
ssize_t ret = TEMP_FAILURE_RETRY(read(fd, buf, count));
if (ret < 0) return -1;
buf += ret;
total += ret;
count -= ret;
}
return total;
}
static inline ssize_t xwrite(int fd, const void *buffer, size_t count) {
auto *buf = static_cast<const char *>(buffer);
static ssize_t xwrite(int fd, const void *buffer, size_t count) {
ssize_t total = 0;
char *buf = (char *) buffer;
while (count > 0) {
ssize_t ret = write(fd, buf, count);
if (ret < 0) {
// Retry if interrupted
if (errno == EINTR) {
continue;
}
return -1;
}
// Technically, write returning 0 is unusual (e.g., disk full); handle it if needed
if (ret == 0) {
break;
}
ssize_t ret = TEMP_FAILURE_RETRY(write(fd, buf, count));
if (ret < 0) return -1;
buf += ret;
total += ret;
count -= ret;
}
return total;
}