[Dune] [#681] Unnerving Warnings using gmshreader with gcc-4.3.4

[Dune]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Martin Nolte (nolte) 

Attached to Project - Dune
Summary - Unnerving Warnings using gmshreader with gcc-4.3.4
Task Type - Bug Report
Category - File
Status - New
Assigned To - 
Operating System - Unspecified / All
Severity - Low
Priority - Normal
Reported Version - SVN
Due in Version - Undecided
Due Date - Undecided
Details - When using gmshreader with gcc-4.3.4, you get the following beautiful set of warnings:

gmshtest-alberta.cc:71:   instantiated from here                                                                               
.../../../../../dune/grid/io/file/gmshreader.hh:573: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:577: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:581: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:586: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:590: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:597: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:606: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:611: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:615: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:622: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:627: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:637: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:649: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:661: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:674: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:687: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result                                                                                            
.../../../../../dune/grid/io/file/gmshreader.hh:693: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:709: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:712: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:715: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:720: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result                                                                                       
.../../../../../dune/grid/io/file/gmshreader.hh:723: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:728: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:732: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:737: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:740: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:745: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:750: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:764: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:777: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:791: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:802: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:814: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:817: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
.../../../../../dune/grid/io/file/gmshreader.hh:746: warning: ‘physical_entity’ may be used uninitialized in this function
mv -f .deps/gmshtest_alu-gmshtest-alberta.Tpo .deps/gmshtest_alu-gmshtest-alberta.Po


More information can be found at the following URL:
http://www.dune-project.org/flyspray/index.php?do=details&task_id=681

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