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| author | Thomas Weißschuh <thomas@t-8ch.de> | 2023-09-22 11:19:37 +0200 |
|---|---|---|
| committer | Thomas Weißschuh <thomas@t-8ch.de> | 2023-09-22 20:22:21 +0200 |
| commit | 07ef43df33d4b768bc93e0961b905c459d3ece6d (patch) | |
| tree | f18e6042cde5804d3b0bfb7dfd4ecdaa8e289ba3 /lib/env.c | |
| parent | 1e0ad14b3ac08d855cda6de346a65f9b834e00db (diff) | |
| download | util-linux-07ef43df33d4b768bc93e0961b905c459d3ece6d.tar.gz | |
lib/env: avoid underflow of read_all_alloc() return value
read_all_alloc() returns a negative error on failure.
When casting this to an unsigned type the failure check "< 1"
will not work.
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Diffstat (limited to 'lib/env.c')
| -rw-r--r-- | lib/env.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -90,7 +90,7 @@ static struct ul_env_list *env_list_add(struct ul_env_list *ls0, const char *str struct ul_env_list *env_from_fd(int fd) { char *buf = NULL, *p; - size_t rc = 0; + ssize_t rc = 0; struct ul_env_list *ls = NULL; if ((rc = read_all_alloc(fd, &buf)) < 1) |