diff options
Diffstat (limited to 'src/stdio/getdelim.c')
| -rw-r--r-- | src/stdio/getdelim.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/stdio/getdelim.c b/src/stdio/getdelim.c index 60c6cc18..c313775d 100644 --- a/src/stdio/getdelim.c +++ b/src/stdio/getdelim.c @@ -25,8 +25,13 @@ ssize_t getdelim(char **restrict s, size_t *restrict n, int delim, FILE *restric if (!*s) *n=0; for (;;) { - z = memchr(f->rpos, delim, f->rend - f->rpos); - k = z ? z - f->rpos + 1 : f->rend - f->rpos; + if (f->rpos != f->rend) { + z = memchr(f->rpos, delim, f->rend - f->rpos); + k = z ? z - f->rpos + 1 : f->rend - f->rpos; + } else { + z = 0; + k = 0; + } if (i+k+1 >= *n) { if (k >= SIZE_MAX/2-i) goto oom; size_t m = i+k+2; |