fix fclose of permanent (stdin/out/err) streams

[musl] / src / stdio / getdelim.c

diff --git a/src/stdio/getdelim.c b/src/stdio/getdelim.c
index 26093a6..a88c393 100644 (file)
--- a/src/stdio/getdelim.c
+++ b/src/stdio/getdelim.c
@@ -13,15 +13,17 @@ ssize_t getdelim(char **restrict s, size_t *restrict n, int delim, FILE *restric
        size_t i=0;
        int c;
 
+       FLOCK(f);
+
        if (!n || !s) {
+               f->flags |= F_ERR;
+               FUNLOCK(f);
                errno = EINVAL;
                return -1;
        }
 
        if (!*s) *n=0;
 
-       FLOCK(f);
-
        for (;;) {
                z = memchr(f->rpos, delim, f->rend - f->rpos);
                k = z ? z - f->rpos + 1 : f->rend - f->rpos;
@@ -56,6 +58,7 @@ ssize_t getdelim(char **restrict s, size_t *restrict n, int delim, FILE *restric
 
        return i;
 oom:
+       f->flags |= F_ERR;
        FUNLOCK(f);
        errno = ENOMEM;
        return -1;