52 lines
2.1 KiB
Diff
52 lines
2.1 KiB
Diff
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From 52620ec798a580b2053d16a42362e9926729eb30 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Sun, 20 Jan 2019 20:04:13 +0100
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Subject: [PATCH] apps/kcapi-hasher.c: fix build with gcc 8.2.x
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Fixes:
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- http://autobuild.buildroot.org/results/8355bc42238e885f7f11ed3d9d37fc55ebdead2b
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Signed-off-by: Stephan Mueller <smueller@chronox.de>
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---
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apps/kcapi-hasher.c | 12 ++++++++----
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1 file changed, 8 insertions(+), 4 deletions(-)
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diff --git a/apps/kcapi-hasher.c b/apps/kcapi-hasher.c
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index d6be685..7172b12 100644
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--- a/apps/kcapi-hasher.c
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+++ b/apps/kcapi-hasher.c
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@@ -357,16 +357,20 @@ static int hasher(struct kcapi_handle *handle, const struct hash_params *params,
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}
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/*
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- * GCC v8.1.0 introduced -Wstringop-truncation but it is not smart enough to
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- * find that cursor string will be NULL-terminated after all paste() calls and
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- * warns with:
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+ * GCC v8.1.0 introduced -Wstringop-truncation and GCC v8.2.0 introduced
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+ * -Wstringop-overflow but it is not smart enough to find that cursor string
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+ * will be NULL-terminated after all paste() calls and warns with:
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* error: 'strncpy' destination unchanged after copying no bytes [-Werror=stringop-truncation]
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* error: 'strncpy' output truncated before terminating nul copying 5 bytes from a string of the same length [-Werror=stringop-truncation]
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+ * error: 'strncpy' specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
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*/
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#pragma GCC diagnostic push
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#if GCC_VERSION >= 80100
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#pragma GCC diagnostic ignored "-Wstringop-truncation"
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#endif
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+#if GCC_VERSION >= 80200
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+#pragma GCC diagnostic ignored "-Wstringop-overflow"
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+#endif
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static char *paste(char *dst, const char *src, size_t size)
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{
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strncpy(dst, src, size);
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@@ -417,7 +421,7 @@ static char *get_hmac_file(const char *filename, const char *checkdir)
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strncpy(cursor, "\0", 1);
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return checkfile;
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}
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-#pragma GCC diagnostic pop /* -Wstringop-truncation */
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+#pragma GCC diagnostic pop /* -Wstringop-truncation -Wstringop-overflow */
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static int hash_files(const struct hash_params *params,
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char *filenames[], uint32_t files,
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