cell->char loses blank entries

Mon Dec 10 19:07:27 CST 2007

Bug report for Octave 2.9.12 configured for i486-pc-linux-gnu

Description:
-----------

When a cell array of strings is converted to a character array,
any blank entries are lost.

Repeat-By:
---------

debug> char ({'k', '', '', 'f', 'g'})
ans =

k
f
g

debug> size (char ({'k', '', '', 'f', 'g'}))
ans =

   3   1

Configuration (please do not edit this section):
-----------------------------------------------

uname output:     Linux jagaroth 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 
GMT 2007 i686 GNU/Linux
configure 
opts:   '--prefix=/usr' '--datadir=/usr/share' '--libdir=/usr/lib' '--libexecdir=/usr/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-blas=-lblas-3' '--with-lapack=-llapack-3' '--with-hdf5' '--with-fftw' '--with-f77=/usr/bin/g77' '--enable-shared' '--enable-rpath' '--disable-static' '--build' 'i486-linux-gnu' 'build_alias=i486-linux-gnu' 'CC=/usr/bin/gcc' 'CXX=/usr/bin/g++' 'F77=/usr/bin/g77'
Fortran compiler: /usr/bin/g77
FFLAGS:           -O2
F2C:              
F2CFLAGS:         
FLIBS:            -L/usr/lib/gcc/i486-linux-gnu/3.4.6 -L/usr/lib/gcc/i486-linux-gnu/3.4.6/../../../../lib -L/usr/lib/gcc/i486-linux-gnu/3.4.6/../../.. -L/lib/../lib -L/usr/lib/../lib -lhdf5 -lz -lfrtbegin -lg2c -lm
CPPFLAGS:         
INCFLAGS:         -I. -I. -I./liboctave -I./src -I./libcruft/misc 
C compiler:       /usr/bin/gcc, version 4.1.3 20070812 (prerelease) (Ubuntu 
4.1.2-15ubuntu2)
CFLAGS:           -O2
CPICFLAG:         -fPIC
C++ compiler:     /usr/bin/g++, version 4.1.3
CXXFLAGS:         -O2
CXXPICFLAG:       -fPIC
LD_CXX:           /usr/bin/g++
LDFLAGS:          -s
LIBFLAGS:         -L.
RLD_FLAG:         -Wl,-rpath -Wl,/usr/lib/octave-2.9.12
BLAS_LIBS:        -llapack-3 -lblas-3
FFTW_LIBS:        -lfftw3
LIBS:             -lreadline  -lncurses -ldl -lhdf5 -lz -lm 
LEXLIB:           
LIBDLFCN:         
LIBGLOB:          
SED:              /bin/sed
DEFS:

  -DPACKAGE_NAME="" -DPACKAGE_TARNAME="" -DPACKAGE_VERSION=""
  -DPACKAGE_STRING="" -DPACKAGE_BUGREPORT="" -DOCTAVE_SOURCE=1
  -D_GNU_SOURCE=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1
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  -DHAVE_UNISTD_H=1 -DSEPCHAR=':' -DSEPCHAR_STR=":" -D__NO_MATH_INLINES=1
  -DCXX_NEW_FRIEND_TEMPLATE_DECL=1 -DCXX_ISO_COMPLIANT_LIBRARY=1
  -DCXX_ABI=gnu_v3 -DHAVE_LIBM=1 -DHAVE_PCRE=1 -DHAVE_REGEXEC=1
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  -DF77_FUNC(name,NAME)=name ## _ -DF77_FUNC_(name,NAME)=name ## __
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  -DUMFPACK_SEPARATE_SPLIT=1 -DHAVE_SUITESPARSE_COLAMD_H=1
  -DHAVE_COLAMD=1 -DHAVE_SUITESPARSE_CCOLAMD_H=1 -DHAVE_CCOLAMD=1
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  -DHAVE_ATEXIT=1 -DHAVE_BASENAME=1 -DHAVE_BCOPY=1 -DHAVE_BZERO=1
  -DHAVE_CANONICALIZE_FILE_NAME=1 -DHAVE_DUP2=1 -DHAVE_ENDGRENT=1
  -DHAVE_ENDPWENT=1 -DHAVE_EXECVP=1 -DHAVE_FCNTL=1 -DHAVE_FORK=1
  -DHAVE_GETCWD=1 -DHAVE_GETEGID=1 -DHAVE_GETEUID=1 -DHAVE_GETGID=1
  -DHAVE_GETGRENT=1 -DHAVE_GETGRGID=1 -DHAVE_GETGRNAM=1 -DHAVE_GETPGRP=1
  -DHAVE_GETPID=1 -DHAVE_GETPPID=1 -DHAVE_GETPWENT=1 -DHAVE_GETPWUID=1
  -DHAVE_GETTIMEOFDAY=1 -DHAVE_GETUID=1 -DHAVE_GETWD=1 -DHAVE_KILL=1
  -DHAVE_LINK=1 -DHAVE_LOCALTIME_R=1 -DHAVE_LSTAT=1 -DHAVE_MEMMOVE=1
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  -DHAVE_SIGLONGJMP=1 -DHAVE_SIGPENDING=1 -DHAVE_SIGPROCMASK=1
  -DHAVE_SIGSUSPEND=1 -DHAVE_STAT=1 -DHAVE_STRCASECMP=1 -DHAVE_STRDUP=1
  -DHAVE_STRERROR=1 -DHAVE_STRNCASECMP=1 -DHAVE_STRSIGNAL=1
  -DHAVE_SYMLINK=1 -DHAVE_TEMPNAM=1 -DHAVE_UMASK=1 -DHAVE_UNAME=1
  -DHAVE_UNLINK=1 -DHAVE_USLEEP=1 -DHAVE_VFPRINTF=1 -DHAVE_VSPRINTF=1
  -DHAVE_VSNPRINTF=1 -DHAVE_WAITPID=1 -DHAVE_STRFTIME=1 -DHAVE_STRPTIME=1
  -DHAVE_LIBDL=1 -DHAVE_DLOPEN=1 -DHAVE_DLSYM=1 -DHAVE_DLERROR=1
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  -DHAVE_TIMEVAL=1 -DHAVE_FINITE=1 -DHAVE_ISNAN=1 -DHAVE_ISINF=1
  -DHAVE_COPYSIGN=1 -DHAVE_DECL_SIGNBIT=1 -DHAVE_ACOSH=1 -DHAVE_ASINH=1
  -DHAVE_ATANH=1 -DHAVE_ERF=1 -DHAVE_ERFC=1 -DHAVE_EXP2=1 -DHAVE_LOG2=1
  -DHAVE_STRUCT_STAT_ST_BLKSIZE=1 -DHAVE_STRUCT_STAT_ST_BLOCKS=1
  -DHAVE_STRUCT_STAT_ST_RDEV=1 -DHAVE_STRUCT_TM_TM_ZONE=1
  -DHAVE_TM_ZONE=1 -DUSE_READLINE=1 -DEXCEPTION_IN_MATH=1 -DRETSIGTYPE=void
  -DHAVE_DECL_SYS_SIGLIST=1 -DHAVE_POSIX_SIGNALS=1 -DRETSIGTYPE_IS_VOID=1
  -DHAVE_GETRUSAGE=1 -DHAVE_TIMES=1 -DYYTEXT_POINTER=1
  -DGNUPLOT_BINARY="gnuplot" -DGNUPLOT_HAS_FRAMES=

User-preferences (please do not edit this section):
--------------------------------------------------

  EDITOR = emacs
  EXEC_PATH 
= /usr/lib/octave/2.9.12/site/exec/i486-pc-linux-gnu:/usr/lib/octave/api-v24/site/exec/i486-pc-linux-gnu:/usr/lib/octave/site/exec/i486-pc-linux-gnu:/usr/lib/octave/2.9.12/exec/i486-pc-linux-gnu:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
  IMAGE_PATH = .:/usr/share/octave/2.9.12/imagelib
  PAGER = pager
  PS1 = \s:\#> 
  PS2 = > 
  PS4 = + 
  beep_on_error = 0
  completion_append_char =  
  crash_dumps_octave_core = 1
  echo_executing_commands = 0
  fixed_point_format = 0
  gnuplot_binary = gnuplot
  gnuplot_command_end = 

  gnuplot_command_plot = pl
  gnuplot_command_replot = rep
  gnuplot_command_splot = sp
  gnuplot_command_title = t
  gnuplot_command_using = u
  gnuplot_command_with = w
  history_file = /home/reuben/.octave_hist
  history_size = 1024
  ignore_function_time_stamp = system
  info_file = /usr/share/info/octave2.9.info
  info_program = info
  makeinfo_program = makeinfo
  max_recursion_depth = 256
  output_max_field_width = 5
  output_precision = 5
  page_output_immediately = 0
  page_screen_output = 0
  print_answer_id_name = 1
  print_empty_dimensions = 1
  save_precision = 16
  saving_history = 1
  sighup_dumps_octave_core = 1
  sigterm_dumps_octave_core = 1
  silent_functions = 0
  split_long_rows = 1
  string_fill_char =  
  struct_levels_to_print = 2
  suppress_verbose_help_message = 0