diff options
Diffstat (limited to 'Src/hashtable.c')
| -rw-r--r-- | Src/hashtable.c | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/Src/hashtable.c b/Src/hashtable.c index 2eb70c3b0..6d7179412 100644 --- a/Src/hashtable.c +++ b/Src/hashtable.c @@ -630,20 +630,50 @@ hashdir(char **dirp) { Cmdnam cn; DIR *dir; - char *fn; + char *fn, *unmetadir, *pathbuf, *pathptr; + int dirlen; #if defined(_WIN32) || defined(__CYGWIN__) char *exe; #endif /* _WIN32 || _CYGWIN__ */ - if (isrelative(*dirp) || !(dir = opendir(unmeta(*dirp)))) + if (isrelative(*dirp)) return; + unmetadir = unmeta(*dirp); + if (!(dir = opendir(unmetadir))) + return; + + dirlen = strlen(unmetadir); + pathbuf = (char *)zalloc(dirlen + PATH_MAX + 2); + sprintf(pathbuf, "%s/", unmetadir); + pathptr = pathbuf + dirlen + 1; while ((fn = zreaddir(dir, 1))) { if (!cmdnamtab->getnode(cmdnamtab, fn)) { - cn = (Cmdnam) zshcalloc(sizeof *cn); - cn->node.flags = 0; - cn->u.name = dirp; - cmdnamtab->addnode(cmdnamtab, ztrdup(fn), cn); + char *fname = ztrdup(fn); + struct stat statbuf; + int add = 0, dummylen; + + unmetafy(fn, &dummylen); + if (strlen(fn) > PATH_MAX) { + /* Too heavy to do all the allocation */ + add = 1; + } else { + strcpy(pathptr, fn); + /* + * This is the same test as for the glob qualifier for + * executable plain files. + */ + if (stat(pathbuf, &statbuf) == 0 && + S_ISREG(statbuf.st_mode) && (statbuf.st_mode & S_IXUGO)) + add = 1; + } + if (add) { + cn = (Cmdnam) zshcalloc(sizeof *cn); + cn->node.flags = 0; + cn->u.name = dirp; + cmdnamtab->addnode(cmdnamtab, fname, cn); + } else + zsfree(fname); } #if defined(_WIN32) || defined(__CYGWIN__) /* Hash foo.exe as foo, since when no real foo exists, foo.exe @@ -664,6 +694,7 @@ hashdir(char **dirp) #endif /* _WIN32 || __CYGWIN__ */ } closedir(dir); + zfree(pathbuf, dirlen + PATH_MAX + 2); } /* Go through user's PATH and add everything to * |