shithub: libdvdcss

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Check the return values of write() calls.

Fixes the following two warnings:
src/libdvdcss.c:380:18: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]
src/css.c:275:18: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]

--- a/src/css.c

+++ b/src/css.c

@@ -274,7 +274,11 @@

                               p_title_key[0], p_title_key[1], p_title_key[2],

                               p_title_key[3], p_title_key[4] );

-            write( i_fd, psz_key, PSZ_KEY_SIZE + 1 )

+            if(write( i_fd, psz_key, PSZ_KEY_SIZE + 1 ) < PSZ_KEY_SIZE + 1 )

+            {

+                print_error( dvdcss,

+                             "Error caching key on disk, continuing..\n" );

+            }

             close( i_fd );

         }

     }

--- a/src/libdvdcss.c

+++ b/src/libdvdcss.c

@@ -377,7 +377,12 @@

         i_fd = open( psz_tagfile, O_RDWR|O_CREAT, 0644 );

         if( i_fd >= 0 )

         {

-            write( i_fd, psz_tag, strlen(psz_tag) );

+            ssize_t len = strlen(psz_tag);

+            if( write( i_fd, psz_tag, len ) < len )

+            {

+                print_error( dvdcss,

+                             "Error writing cache directory tag, continuing..\n" );

+            }

             close( i_fd );

         }

     }