Libc-1439.100.3.tar.gz

[apple/libc.git] / libdarwin / stdlib.c

diff --git a/libdarwin/stdlib.c b/libdarwin/stdlib.c
index d718a94e59e62b5c6b91f0ec894bc1fdb07aec15..1c22fb31d57c4642545d5c8a38e93b324290756a 100644 (file)
--- a/libdarwin/stdlib.c
+++ b/libdarwin/stdlib.c
@@ -24,7 +24,7 @@
 
 #pragma mark API
 void
-os_localtime_file(char buff[32])
+os_localtime_file(char buff[static 32])
 {
        struct timeval tv;
        struct tm curtime;
@@ -42,9 +42,8 @@ os_localtime_file(char buff[32])
 // MurmurHash2 was written by Austin Appleby, and is placed in the public
 // domain. The author hereby disclaims copyright to this source code.
 uint64_t
-os_simple_hash(const void *buff, size_t len)
+os_simple_hash_with_seed(const void *buff, size_t len, uint64_t seed)
 {
-       const uint64_t seed = 0;
 #ifdef __LP64__
        // MurmurHash64A
        const uint64_t m = 0xc6a4a7935bd1e995;
@@ -126,8 +125,59 @@ os_simple_hash(const void *buff, size_t len)
 }
 
 uint64_t
-os_simple_hash_string(const char *string)
+os_simple_hash(const void *buff, size_t len)
+{
+       return os_simple_hash_with_seed(buff, len, 0);
+}
+
+uint64_t
+os_simple_hash_string_with_seed(const char *string, uint64_t seed)
 {
        size_t len = strlen(string);
-       return os_simple_hash(string, len);
+       return os_simple_hash_with_seed(string, len, seed);
+}
+
+uint64_t
+os_simple_hash_string(const char *string)
+{
+       return os_simple_hash_string_with_seed(string, 0);
+}
+
+errno_t
+realpath_np(os_fd_t fd, char buff[static PATH_MAX])
+{
+       errno_t error = -1;
+       int ret = -1;
+
+       ret = fcntl(fd, F_GETPATH, buff);
+       if (ret) {
+               error = errno;
+       } else {
+               error = 0;
+       }
+
+       return error;
+}
+
+errno_t
+memdup_np(void **_new, const void *src, size_t len)
+{
+       void *mynew = NULL;
+
+       mynew = malloc(len);
+       if (!mynew) {
+               return errno;
+       }
+
+       memcpy(mynew, src, len);
+       *_new = mynew;
+       return 0;
+}
+
+void *
+memdup2_np(const void *src, size_t len)
+{
+       void *_new = os_malloc(len);
+       memcpy(_new, src, len);
+       return _new;
 }