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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Mon, 27 Aug 2018 13:14:06 -0400
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Subject: [PATCH] Make grub_error() more verbose
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/kern/err.c | 13 +++++++++++--
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include/grub/err.h | 8 ++++++--
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2 files changed, 17 insertions(+), 4 deletions(-)
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diff --git a/grub-core/kern/err.c b/grub-core/kern/err.c
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index 53c734de70e..aebfe0cf839 100644
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--- a/grub-core/kern/err.c
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+++ b/grub-core/kern/err.c
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@@ -33,15 +33,24 @@ static struct grub_error_saved grub_error_stack_items[GRUB_ERROR_STACK_SIZE];
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static int grub_error_stack_pos;
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static int grub_error_stack_assert;
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+#ifdef grub_error
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+#undef grub_error
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+#endif
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+
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grub_err_t
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-grub_error (grub_err_t n, const char *fmt, ...)
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+grub_error (grub_err_t n, const char *file, const int line, const char *fmt, ...)
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{
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va_list ap;
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+ int m;
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grub_errno = n;
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+ m = grub_snprintf (grub_errmsg, sizeof (grub_errmsg), "%s:%d:", file, line);
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+ if (m < 0)
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+ m = 0;
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+
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va_start (ap, fmt);
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- grub_vsnprintf (grub_errmsg, sizeof (grub_errmsg), _(fmt), ap);
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+ grub_vsnprintf (grub_errmsg + m, sizeof (grub_errmsg) - m, _(fmt), ap);
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va_end (ap);
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return n;
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diff --git a/include/grub/err.h b/include/grub/err.h
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index b08d5d0de4c..c0f90ef07c8 100644
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--- a/include/grub/err.h
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+++ b/include/grub/err.h
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@@ -85,8 +85,12 @@ struct grub_error_saved
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extern grub_err_t EXPORT_VAR(grub_errno);
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extern char EXPORT_VAR(grub_errmsg)[GRUB_MAX_ERRMSG];
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-grub_err_t EXPORT_FUNC(grub_error) (grub_err_t n, const char *fmt, ...)
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- __attribute__ ((format (GNU_PRINTF, 2, 3)));
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+grub_err_t EXPORT_FUNC(grub_error) (grub_err_t n, const char *file, const int line, const char *fmt, ...)
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+ __attribute__ ((format (GNU_PRINTF, 4, 5)));
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+
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+#define grub_error(n, fmt, ...) grub_error (n, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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+
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+
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void EXPORT_FUNC(grub_fatal) (const char *fmt, ...) __attribute__ ((noreturn));
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void EXPORT_FUNC(grub_error_push) (void);
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int EXPORT_FUNC(grub_error_pop) (void);
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