tools/tesh2/w32/src/Write.c

   1 #include <fcntl.h>\r
   2 #include <stdlib.h>\r
   3 #include <stdio.h>\r
   4 #include <sys/stat.h>\r
   5 #include <sys/types.h>\r
   6 #include <errno.h>\r
   7 \r
   8 #ifndef STDIN_FILENO\r
   9 #define STDIN_FILENO    0\r
  10 #endif\r
  11 \r
  12 int\r
  13 main(int argc, char* argv[])\r
  14 {\r
  15         size_t number_of_bytes_to_read = 4096;\r
  16         int number_of_bytes_readed = 0;\r
  17         char buffer[4096] = {0};\r
  18         int failed = 0;\r
  19         int fd;\r
  20         \r
  21         if((fd = creat(argv[1], _S_IREAD | _S_IWRITE)) < 0)\r
  22         {\r
  23                 fprintf(stderr,"creat() failed with the error %d\n",errno);\r
  24                 return EXIT_FAILURE;\r
  25         }\r
  26                 \r
  27         do\r
  28         {\r
  29                 number_of_bytes_readed = read(STDIN_FILENO, buffer, number_of_bytes_to_read);\r
  30                 \r
  31                 if(number_of_bytes_readed < 0 && errno != EINTR && errno != EAGAIN) \r
  32                 {\r
  33                         fprintf(stderr, "read failure %d\n", errno);\r
  34                         failed = 1;\r
  35                         break;\r
  36                 }\r
  37                 \r
  38                 if(number_of_bytes_readed > 0) \r
  39                 {\r
  40                         write(fd, buffer, strlen(buffer));\r
  41                         memset(buffer, 0, number_of_bytes_to_read);\r
  42                 }\r
  43                 \r
  44         \r
  45         }while(number_of_bytes_readed);\r
  46         \r
  47         close(fd);\r
  48         \r
  49         return failed ? EXIT_FAILURE : EXIT_SUCCESS;\r
  50                 \r
  51 }\r
  52 \r