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| author | Eli Zaretskii <eliz@is.elta.co.il> | 2000-08-21 19:28:18 +0300 |
|---|---|---|
| committer | Bruce Korb <korbb@gcc.gnu.org> | 2000-08-21 16:28:18 +0000 |
| commit | dc13bad72b60849788b55675d3ded5674b7dbdc8 (patch) | |
| tree | bbe3ebb1a31e2a19d43171faf0e762b47cad7544 | |
| parent | ddd32db02d42cff54b0c92dd0722d7193cc8cb8b (diff) | |
| download | gcc-dc13bad72b60849788b55675d3ded5674b7dbdc8.zip gcc-dc13bad72b60849788b55675d3ded5674b7dbdc8.tar.gz gcc-dc13bad72b60849788b55675d3ded5674b7dbdc8.tar.bz2 | |
prevent the deletion of a file before it is read on DOS
From-SVN: r35848
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fixinc/fixincl.c | 11 |
2 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ef11439..a9f64a4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2000-08-05 Eli Zaretskii <eliz@is.elta.co.il> + + * fixinc/fixincl.c (fix_with_system): Pipe the output of + "external" fixes through `cat', to avoid truncating the input + file by redirection. + 2000-08-21 Jakub Jelinek <jakub@redhat.com> * config/i386/i386.md (lea_general_1): Copy insn condition to split diff --git a/gcc/fixinc/fixincl.c b/gcc/fixinc/fixincl.c index 3b13d70..9736537 100644 --- a/gcc/fixinc/fixincl.c +++ b/gcc/fixinc/fixincl.c @@ -914,10 +914,13 @@ fix_with_system (p_fixd, pz_fix_file, pz_file_source, pz_temp_file) /* Don't use the "src > dstX; rm -f dst; mv -f dstX dst" trick: dst is a temporary file anyway, so we know there's no other file by that name; and DOS's system(3) doesn't mind to - clobber existing file in redirection. Besides, with DOS 8+3 - limited file namespace, we can easily lose if dst already has - an extension that is 3 or more characters long. */ - tSCC z_cmd_fmt[] = " %s > %s"; + clobber existing file in redirection. Besides, with DOS 8+3 + limited file namespace, we can easily lose if dst already has + an extension that is 3 or more characters long. + The following bizarre use of 'cat' only works on DOS boxes. + It is causing the file to be dropped into a temporary file for + 'cat' to read (pipes do not work on DOS). */ + tSCC z_cmd_fmt[] = " %s | cat > %s"; tCC** ppArgs = p_fixd->patch_args; argsize = sizeof( z_cmd_fmt ) + strlen( pz_temp_file ) |