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From 82ee1cff9d7401f4381cfa574f8b102625b06a31 Mon Sep 17 00:00:00 2001
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From: Alexey Tikhonov <atikhono@redhat.com>
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Date: Thu, 5 Aug 2021 18:02:57 +0200
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Subject: [PATCH 5/6] PATH_UTILS: suppress false positive warnings
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Warnings are false positives: every such `strncpy` is followed
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by an explicit check that result is NULL-terminated.
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Reviewed-by: Pawel Polawski <ppolawsk@redhat.com>
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---
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path_utils/path_utils.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/path_utils/path_utils.c b/path_utils/path_utils.c
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index 61605ab..5203cc9 100644
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--- a/path_utils/path_utils.c
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+++ b/path_utils/path_utils.c
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@@ -116,6 +116,7 @@ int get_basename(char *base_name, size_t base_name_size, const char *path)
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if (!path) return EINVAL;
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if (!base_name || base_name_size < 1) return ENOBUFS;
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+ /* coverity[buffer_size_warning : SUPPRESS] */ /* false positive warning */
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strncpy(tmp_path, path, sizeof(tmp_path));
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if (tmp_path[sizeof(tmp_path)-1] != '\0') return ENOBUFS;
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strncpy(base_name, basename(tmp_path), base_name_size);
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@@ -137,6 +138,7 @@ int get_dirname(char *dir_path, size_t dir_path_size, const char *path)
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if (!path) return EINVAL;
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if (!dir_path || dir_path_size < 1) return ENOBUFS;
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+ /* coverity[buffer_size_warning : SUPPRESS] */ /* false positive warning */
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strncpy(tmp_path, path, sizeof(tmp_path));
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if (tmp_path[sizeof(tmp_path)-1] != '\0') return ENOBUFS;
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strncpy(dir_path, dirname(tmp_path), dir_path_size);
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@@ -161,11 +163,13 @@ int get_directory_and_base_name(char *dir_path, size_t dir_path_size,
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if (!dir_path || dir_path_size < 1) return ENOBUFS;
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if (!base_name || base_name_size < 1) return ENOBUFS;
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+ /* coverity[buffer_size_warning : SUPPRESS] */ /* false positive warning */
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strncpy(tmp_path, path, sizeof(tmp_path));
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if (tmp_path[sizeof(tmp_path)-1] != '\0') return ENOBUFS;
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strncpy(base_name, basename(tmp_path), base_name_size);
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if (base_name[base_name_size-1] != '\0') return ENOBUFS;
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+ /* coverity[buffer_size_warning : SUPPRESS] */ /* false positive warning */
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strncpy(tmp_path, path, sizeof(tmp_path));
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if (tmp_path[sizeof(tmp_path)-1] != '\0') return ENOBUFS;
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strncpy(dir_path, dirname(tmp_path), dir_path_size);
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@@ -528,6 +532,7 @@ int find_existing_directory_ancestor(char *ancestor, size_t ancestor_size, const
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if (!ancestor || ancestor_size < 1) return ENOBUFS;
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*ancestor = 0;
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+ /* coverity[buffer_size_warning : SUPPRESS] */ /* false positive warning */
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strncpy(dir_path, path, sizeof(dir_path));
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if (dir_path[sizeof(dir_path)-1] != '\0') return ENOBUFS;
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--
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2.26.3
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