Merge "Remove fs_config endianness functions" (2a43e8ff) · Commits · e / os / android_system_core

libcutils/fs_config.cpp

+5 −18

Original line number	Diff line number	Diff line
		@@ -46,19 +46,6 @@
		using android::base::EndsWith;
		using android::base::StartsWith;

		// My kingdom for <endian.h>
		static inline uint16_t get2LE(const uint8_t* src) {
		return src[0] \| (src[1] << 8);
		}

		static inline uint64_t get8LE(const uint8_t* src) {
		uint32_t low, high;

		low = src[0] \| (src[1] << 8) \| (src[2] << 16) \| (src[3] << 24);
		high = src[4] \| (src[5] << 8) \| (src[6] << 16) \| (src[7] << 24);
		return ((uint64_t)high << 32) \| (uint64_t)low;
		}

		#define ALIGN(x, alignment) (((x) + ((alignment)-1)) & ~((alignment)-1))

		// Rules for directories.
		@@ -333,7 +320,7 @@ void fs_config(const char* path, int dir, const char* target_out_path, unsigned*

		while (TEMP_FAILURE_RETRY(read(fd, &header, sizeof(header))) == sizeof(header)) {
		char* prefix;
		uint16_t host_len = get2LE((const uint8_t*)&header.len);
		uint16_t host_len = header.len;
		ssize_t len, remainder = host_len - sizeof(header);
		if (remainder <= 0) {
		ALOGE("%s len is corrupted", conf[which][dir]);
		@@ -358,10 +345,10 @@ void fs_config(const char* path, int dir, const char* target_out_path, unsigned*
		if (fs_config_cmp(dir, prefix, len, path, plen)) {
		free(prefix);
		close(fd);
		uid = get2LE((const uint8_t)&(header.uid));
		gid = get2LE((const uint8_t)&(header.gid));
		mode = (mode & (~07777)) \| get2LE((const uint8_t*)&(header.mode));
		capabilities = get8LE((const uint8_t)&(header.capabilities));
		*uid = header.uid;
		*gid = header.gid;
		mode = (mode & (~07777)) \| header.mode;
		*capabilities = header.capabilities;
		return;
		}
		free(prefix);