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Message-Id: <20221021211250.15590-1-ismael@iodev.co.uk>
Date: Fri, 21 Oct 2022 23:12:50 +0200
From: Ismael Luceno <ismael@...ev.co.uk>
To: musl@...ts.openwall.com
Cc: Rich Felker <dalias@...c.org>,
Ismael Luceno <ismael@...ev.co.uk>
Subject: [RESEND PATCH] glob: implement GLOB_NOMAGIC
Signed-off-by: Ismael Luceno <ismael@...ev.co.uk>
---
include/glob.h | 1 +
src/regex/glob.c | 17 ++++++++++++-----
2 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/include/glob.h b/include/glob.h
index 4a562a206d52..0ff70bdfeef2 100644
--- a/include/glob.h
+++ b/include/glob.h
@@ -31,6 +31,7 @@ void globfree(glob_t *);
#define GLOB_NOESCAPE 0x40
#define GLOB_PERIOD 0x80
+#define GLOB_NOMAGIC 0x0800
#define GLOB_TILDE 0x1000
#define GLOB_TILDE_CHECK 0x4000
diff --git a/src/regex/glob.c b/src/regex/glob.c
index 9de080ed9ccd..29215c79ce39 100644
--- a/src/regex/glob.c
+++ b/src/regex/glob.c
@@ -260,13 +260,20 @@ int glob(const char *restrict pat, int flags, int (*errfunc)(const char *path, i
for (cnt=0, tail=head.next; tail; tail=tail->next, cnt++);
if (!cnt) {
- if (flags & GLOB_NOCHECK) {
- tail = &head;
- if (append(&tail, pat, strlen(pat), 0))
- return GLOB_NOSPACE;
- cnt++;
+ size_t len;
+ /* GLOB_NOMAGIC implies GLOB_NOCHECK */
+ if (flags & GLOB_NOMAGIC) {
+ len = strcspn(pat, "*?[");
+ } else if (flags & GLOB_NOCHECK) {
+ len = strcspn(pat, "");
} else
return GLOB_NOMATCH;
+ if (pat[len])
+ return GLOB_NOMATCH;
+ tail = &head;
+ if (append(&tail, pat, len, 0))
+ return GLOB_NOSPACE;
+ cnt++;
}
if (flags & GLOB_APPEND) {
--
2.38.1
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