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[libiberty] output empty args as a pair of quotes 

writeargv writes out empty arguments in a way that expandargv skips
them instead of preserving them.  Fixed by writing out a pair of
quotes for them.


for  libiberty/ChangeLog

	* argv.c (writeargv): Output empty args as "".
This commit is contained in:
Alexandre Oliva 2020-01-16 03:58:50 -03:00 committed by Alexandre Oliva
parent f9e84b31df
commit 18193e8f00
2 changed files with 12 additions and 0 deletions
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4
libiberty/ChangeLog
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@ -1,3 +1,7 @@
2020-01-23 Alexandre Oliva <oliva@adacore.com>
* argv.c (writeargv): Output empty args as "".
2020-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.

8
libiberty/argv.c
View File

@ -327,6 +327,14 @@ writeargv (char * const *argv, FILE *f)
arg++;
}
/* Write out a pair of quotes for an empty argument. */
if (arg == *argv)
if (EOF == fputs ("\"\"", f))
{
status = 1;
goto done;
}
if (EOF == fputc ('\n', f))
{
status = 1;