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changeset 31135:05a64f60bc1e

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Return -1 rather than platform-dependent EOF from puts, fputs (bug #62725) * file-io.cc (puts_internal): Modify return logic to return -1 on failure, 0 on success. * file-io.cc (Fputs, Ffputs): Document return value as -1 or 0.
author Rik <rik@octave.org>
date Sat, 09 Jul 2022 13:43:11 -0700
parents b8d37c022e40
children cbfe8318566a
files libinterp/corefcn/file-io.cc
diffstat 1 files changed, 5 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/libinterp/corefcn/file-io.cc	Sat Jul 09 11:46:06 2022 -0700
+++ b/libinterp/corefcn/file-io.cc	Sat Jul 09 13:43:11 2022 -0700
@@ -886,7 +886,7 @@
 
   stream os = streams.lookup (args(0), who);
 
-  return ovl (os.puts (args(1), who));
+  return ovl (- (os.puts (args(1), who) < 0));
 }
 
 DEFMETHOD (fputs, interp, args, ,
@@ -898,7 +898,8 @@
 @code{fdisp} instead to automatically append a newline character appropriate
 for the local machine.
 
-Return a non-negative number on success or EOF on error.
+The optional output @var{status} is 0 for success, or -1 if an error was
+encountered.
 @seealso{fdisp, fprintf, fwrite, fopen}
 @end deftypefn */)
 {
@@ -943,7 +944,8 @@
 The string is written verbatim to the standard output.  Use @code{disp} to
 automatically append a newline character appropriate for the local machine.
 
-Return a non-negative number on success and EOF on error.
+The optional output @var{status} is 0 for success, or -1 if an error was
+encountered.
 @seealso{fputs, disp}
 @end deftypefn */)
 {