Just write it myself (so much for coppying).

[m6w6/libmemcached] / clients / memcp.cc

diff --git a/clients/memcp.cc b/clients/memcp.cc
index 7986e24812d337c403dd9f52e6c2e7ad2192b2b0..6c6d1e96fe6142bdac3186445787b3df720c9a49 100644 (file)
--- a/clients/memcp.cc
+++ b/clients/memcp.cc
@@ -1,5 +1,5 @@
 /* LibMemcached
- * Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
+ * Copyright (C) 2011-2013 Data Differential, http://datadifferential.com/
  * Copyright (C) 2006-2009 Brian Aker
  * All rights reserved.
  *
@@ -194,7 +194,13 @@ int main(int argc, char *argv[])
     }
 
     struct stat sbuf;
-    (void)fstat(fd, &sbuf);
+    if (fstat(fd, &sbuf) == -1)
+    {
+      std::cerr << "memcp " << argv[optind] << " " << strerror(errno) << std::endl;
+      optind++;
+      exit_code= EXIT_FAILURE;
+      continue;
+    }
 
     char *ptr= rindex(argv[optind], '/');
     if (ptr)
@@ -215,27 +221,33 @@ int main(int argc, char *argv[])
             ptr, opt_flags, (unsigned long)opt_expires);
     }
 
-    char *file_buffer_ptr;
-    if ((file_buffer_ptr= (char *)malloc(sizeof(char) * (size_t)sbuf.st_size)) == NULL)
+    // The file may be empty
+    char *file_buffer_ptr= NULL;
+    if (sbuf.st_size > 0)
     {
-      std::cerr << "Error allocating file buffer(" << strerror(errno) << ")" << std::endl;
-      close(fd);
-      exit(EXIT_FAILURE);
-    }
+      if ((file_buffer_ptr= (char *)malloc(sizeof(char) * (size_t)sbuf.st_size)) == NULL)
+      {
+        std::cerr << "Error allocating file buffer(" << strerror(errno) << ")" << std::endl;
+        close(fd);
+        exit(EXIT_FAILURE);
+      }
 
-    ssize_t read_length;
-    if ((read_length= ::read(fd, file_buffer_ptr, (size_t)sbuf.st_size)) == -1)
-    {
-      std::cerr << "Error while reading file " << file_buffer_ptr << " (" << strerror(errno) << ")" << std::endl;
-      close(fd);
-      exit(EXIT_FAILURE);
-    }
+      ssize_t read_length;
+      if ((read_length= ::read(fd, file_buffer_ptr, (size_t)sbuf.st_size)) == -1)
+      {
+        std::cerr << "Error while reading file " << file_buffer_ptr << " (" << strerror(errno) << ")" << std::endl;
+        close(fd);
+        free(file_buffer_ptr);
+        exit(EXIT_FAILURE);
+      }
 
-    if (read_length != sbuf.st_size)
-    {
-      std::cerr << "Failure while reading file. Read length was not equal to stat() length" << std::endl;
-      close(fd);
-      exit(EXIT_FAILURE);
+      if (read_length != sbuf.st_size)
+      {
+        std::cerr << "Failure while reading file. Read length was not equal to stat() length" << std::endl;
+        close(fd);
+        free(file_buffer_ptr);
+        exit(EXIT_FAILURE);
+      }
     }
 
     memcached_return_t rc;
@@ -261,7 +273,6 @@ int main(int argc, char *argv[])
     if (memcached_failed(rc))
     {
       std::cerr << "Error occrrured during memcached_set(): " << memcached_last_error_message(memc) << std::endl;
-      ::close(fd);
       exit_code= EXIT_FAILURE;
     }