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Add missing error checking in readdir() loops.

This commit is contained in:
Tom Lane 2005-03-24 02:11:20 +00:00
parent c58071a5d1
commit 0ca91482fa
2 changed files with 51 additions and 3 deletions
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21
src/port/copydir.c
View File

@ -11,7 +11,7 @@
* as a service.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/copydir.c,v 1.10 2004/12/31 22:03:53 pgsql Exp $
* $PostgreSQL: pgsql/src/port/copydir.c,v 1.11 2005/03/24 02:11:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -56,6 +56,7 @@ copydir(char *fromdir, char *todir)
return -1;
}
errno = 0;
while ((xlde = readdir(xldir)) != NULL)
{
snprintf(fromfl, MAXPGPATH, "%s/%s", fromdir, xlde->d_name);
@ -68,6 +69,24 @@ copydir(char *fromdir, char *todir)
FreeDir(xldir);
return -1;
}
errno = 0;
}
#ifdef WIN32
/*
* This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but
* not in released version
*/
if (GetLastError() == ERROR_NO_MORE_FILES)
errno = 0;
#endif
if (errno)
{
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not read directory \"%s\": %m", fromdir)));
FreeDir(xldir);
return -1;
}
FreeDir(xldir);

33
src/port/dirmod.c
View File

@ -10,7 +10,7 @@
* Win32 (NT, Win2k, XP). replace() doesn't work on Win95/98/Me.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/dirmod.c,v 1.36 2005/02/22 04:43:16 momjian Exp $
* $PostgreSQL: pgsql/src/port/dirmod.c,v 1.37 2005/03/24 02:11:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -326,10 +326,19 @@ fnames(char *path)
dir = opendir(path);
if (dir == NULL)
{
#ifndef FRONTEND
elog(WARNING, "could not open directory \"%s\": %m", path);
#else
fprintf(stderr, _("could not open directory \"%s\": %s\n"),
path, strerror(errno));
#endif
return NULL;
}
filenames = (char **) palloc(fnsize * sizeof(char *));
errno = 0;
while ((file = readdir(dir)) != NULL)
{
if (strcmp(file->d_name, ".") != 0 && strcmp(file->d_name, "..") != 0)
@ -342,6 +351,25 @@ fnames(char *path)
}
filenames[numnames++] = pstrdup(file->d_name);
}
errno = 0;
}
#ifdef WIN32
/*
* This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but
* not in released version
*/
if (GetLastError() == ERROR_NO_MORE_FILES)
errno = 0;
#endif
if (errno)
{
#ifndef FRONTEND
elog(WARNING, "could not read directory \"%s\": %m", path);
#else
fprintf(stderr, _("could not read directory \"%s\": %s\n"),
path, strerror(errno));
#endif
}
filenames[numnames] = NULL;
@ -434,7 +462,8 @@ report_and_fail:
#ifndef FRONTEND
elog(WARNING, "could not remove file or directory \"%s\": %m", filepath);
#else
fprintf(stderr, _("could not remove file or directory \"%s\": %s\n"), filepath, strerror(errno));
fprintf(stderr, _("could not remove file or directory \"%s\": %s\n"),
filepath, strerror(errno));
#endif
fnames_cleanup(filenames);
return false;