Blame SOURCES/0014-Add-more-hexdump-logging-functions.patch

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From 707276197e82e852e9d5c7acb97a9348efe467b7 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Wed, 13 Mar 2019 11:02:01 -0400
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Subject: [PATCH 14/63] Add more hexdump logging functions.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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 src/hexdump.h | 30 ++++++++++++++++++++++++++++--
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 src/util.h    | 10 ++++++++++
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 2 files changed, 38 insertions(+), 2 deletions(-)
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diff --git a/src/hexdump.h b/src/hexdump.h
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index 4c45cb3732d..f8c32faa9e1 100644
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--- a/src/hexdump.h
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+++ b/src/hexdump.h
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@@ -63,8 +63,12 @@ prepare_text(uint8_t *data, unsigned long size, char *buf)
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 	buf[offset] = '\0';
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 }
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+/*
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+ * variadic fhexdump formatted
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+ * think of it as: fprintf(f, %s%s\n", vformat(fmt, ap), hexdump(data,size));
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+ */
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 static inline void UNUSED
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-hexdump(uint8_t *data, unsigned long size)
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+vfhexdumpf(FILE *f, const char * const fmt, uint8_t *data, unsigned long size, va_list ap)
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 {
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 	unsigned long display_offset = (unsigned long)data & 0xffffffff;
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 	unsigned long offset = 0;
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@@ -80,11 +84,33 @@ hexdump(uint8_t *data, unsigned long size)
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 			return;
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 		prepare_text(data+offset, size-offset, txtbuf);
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-		printf("%016lx  %s  %s\n", display_offset, hexbuf, txtbuf);
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+		vfprintf(f, fmt, ap);
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+		fprintf(f, "%016lx  %s  %s\n", display_offset, hexbuf, txtbuf);
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 		display_offset += sz;
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 		offset += sz;
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 	}
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+	fflush(f);
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+}
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+
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+/*
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+ * fhexdump formatted
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+ * think of it as: fprintf(f, %s%s\n", format(fmt, ...), hexdump(data,size));
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+ */
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+static inline void UNUSED
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+fhexdumpf(FILE *f, const char * const fmt, uint8_t *data, unsigned long size, ...)
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+{
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+	va_list ap;
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+
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+	va_start(ap, size);
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+	vfhexdumpf(f, fmt, data, size, ap);
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+	va_end(ap);
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+}
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+
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+static inline void UNUSED
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+hexdump(uint8_t *data, unsigned long size)
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+{
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+	fhexdumpf(stdout, "", data, size);
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 }
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 #endif /* STATIC_HEXDUMP_H */
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diff --git a/src/util.h b/src/util.h
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index d98bfa1beed..a6a80e754ec 100644
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--- a/src/util.h
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+++ b/src/util.h
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@@ -400,5 +400,15 @@ swizzle_guid_to_uuid(efi_guid_t *guid)
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 #endif
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 #define log(level, fmt, args...) log_(__FILE__, __LINE__, __func__, level, fmt, ## args)
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 #define debug(fmt, args...) log(LOG_DEBUG, fmt, ## args)
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+#define log_hex_(file, line, func, level, buf, size)                    \
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+        ({                                                              \
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+                if (efi_get_verbose() >= level) {                       \
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+                        fhexdumpf(efi_get_logfile(), "%s:%d %s(): ",    \
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+                                  (uint8_t *)buf, size,                 \
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+                                  file, line, func);                    \
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+                }                                                       \
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+        })
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+#define log_hex(level, buf, size) log_hex_(__FILE__, __LINE__, __func__, level, buf, size)
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+#define debug_hex(buf, size) log_hex(LOG_DEBUG, buf, size)
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 #endif /* EFIVAR_UTIL_H */
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-- 
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2.26.2
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