forked from rpms/glibc
48 lines
1.5 KiB
Diff
48 lines
1.5 KiB
Diff
From 34e52acd55d69964d14fb3188c5538442b8b32be Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fweimer@redhat.com>
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Date: Thu, 22 Aug 2024 16:14:17 +0200
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Subject: [PATCH] support: Report errno constants in TEST_COMPARE failures
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Content-type: text/plain; charset=UTF-8
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If the expression is errno, decode it as an errno constant
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using strerrorname_np.
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Reviewed-by: Arjun Shankar <arjun@redhat.com>
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---
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support/support_test_compare_failure.c | 11 ++++++++++-
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1 file changed, 10 insertions(+), 1 deletion(-)
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diff --git a/support/support_test_compare_failure.c b/support/support_test_compare_failure.c
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index ae73d200cd..dba79e413f 100644
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--- a/support/support_test_compare_failure.c
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+++ b/support/support_test_compare_failure.c
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@@ -17,7 +17,9 @@
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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+#include <limits.h>
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#include <stdio.h>
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+#include <string.h>
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#include <support/check.h>
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static void
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@@ -31,7 +33,14 @@ report (const char *which, const char *expr, long long value, int positive,
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printf ("%lld", value);
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unsigned long long mask
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= (~0ULL) >> (8 * (sizeof (unsigned long long) - size));
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- printf (" (0x%llx); from: %s\n", (unsigned long long) value & mask, expr);
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+ const char *errno_constant = NULL;
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+ if (strcmp (expr, "errno") == 0
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+ && positive && (unsigned long long int) value <= INT_MAX)
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+ errno_constant = strerrorname_np (value);
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+ printf (" (0x%llx", (unsigned long long) value & mask);
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+ if (errno_constant != NULL)
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+ printf (", %s", errno_constant);
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+ printf ("); from: %s\n", expr);
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}
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void
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--
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2.43.5
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