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| author | Peter Stephenson <pws@users.sourceforge.net> | 2010-02-22 11:35:13 +0000 |
|---|---|---|
| committer | Peter Stephenson <pws@users.sourceforge.net> | 2010-02-22 11:35:13 +0000 |
| commit | 48315b019b12ad62ee2e260926db2d0167f45450 (patch) | |
| tree | 65e589fdfacd445aefbde1e2a66169dbd51c0563 /Src/utils.c | |
| parent | 7977ce07470558dbc26b3bc97548aa6e263f4d4c (diff) | |
| download | zsh-48315b019b12ad62ee2e260926db2d0167f45450.tar.gz zsh-48315b019b12ad62ee2e260926db2d0167f45450.zip | |
unposted: add debug code to zclose()
Diffstat (limited to 'Src/utils.c')
| -rw-r--r-- | Src/utils.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Src/utils.c b/Src/utils.c index 0168c8287..f488d9de6 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -1,3 +1,4 @@ + /* * utils.c - miscellaneous utilities * @@ -1704,6 +1705,14 @@ mod_export int zclose(int fd) { if (fd >= 0) { + /* + * We sometimes zclose() an fd twice where the second + * time is a catch-all in case there was a failure using + * the fd. This is harmless but we need to trap it + * for the error check here. + */ + DPUTS2(fd > max_zsh_fd && fdtable[fd] != FDT_UNUSED, + "BUG: fd is %d, max_zsh_fd is %d", fd, max_zsh_fd); fdtable[fd] = FDT_UNUSED; while (max_zsh_fd > 0 && fdtable[max_zsh_fd] == FDT_UNUSED) max_zsh_fd--; |