From 1d4a9e7cb47178077e112f73bf6a60397f519497 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 25 Oct 2016 20:31:05 -0400
Subject: driver: struct mdso_error_info: extend and refactor.

---
 src/internal/mdso_errinfo_impl.c | 25 +++++++++++++------------
 src/internal/mdso_errinfo_impl.h | 16 ++++++++--------
 src/output/mdso_output_error.c   | 24 ++++++++++++------------
 3 files changed, 33 insertions(+), 32 deletions(-)

(limited to 'src')

diff --git a/src/internal/mdso_errinfo_impl.c b/src/internal/mdso_errinfo_impl.c
index e106f47..fbd8433 100644
--- a/src/internal/mdso_errinfo_impl.c
+++ b/src/internal/mdso_errinfo_impl.c
@@ -10,12 +10,12 @@
 
 int mdso_record_error(
 	const struct mdso_driver_ctx *	dctx,
-	int				syserror,
-	int				liberror,
-	const char *			function,
-	int				line,
-	unsigned			flags,
-	void *				ctx)
+	int				esyscode,
+	int				elibcode,
+	const char *			efunction,
+	int				eline,
+	unsigned			eflags,
+	void *				eany)
 {
 	struct mdso_driver_ctx_impl *	ictx;
 	struct mdso_error_info *	erri;
@@ -28,12 +28,13 @@ int mdso_record_error(
 	*ictx->errinfp = &ictx->erribuf[ictx->errinfp - ictx->erriptr];
 	erri = *ictx->errinfp;
 
-	erri->syserror = syserror;
-	erri->liberror = liberror;
-	erri->function = function;
-	erri->line     = line;
-	erri->flags    = flags;
-	erri->ctx      = ctx;
+	erri->edctx     = dctx;
+	erri->esyscode  = esyscode;
+	erri->elibcode  = elibcode;
+	erri->efunction = efunction;
+	erri->eline     = eline;
+	erri->eflags    = eflags;
+	erri->eany      = eany;
 
 	ictx->errinfp++;
 
diff --git a/src/internal/mdso_errinfo_impl.h b/src/internal/mdso_errinfo_impl.h
index 5a56e70..0e9b384 100644
--- a/src/internal/mdso_errinfo_impl.h
+++ b/src/internal/mdso_errinfo_impl.h
@@ -9,12 +9,12 @@
 
 int mdso_record_error(
 	const struct mdso_driver_ctx *,
-	int		syserror,
-	int		liberror,
-	const char *	function,
-	int		line,
-	unsigned	flags,
-	void *		ctx);
+	int		esyscode,
+	int		elibcode,
+	const char *	efunction,
+	int		eline,
+	unsigned	eflags,
+	void *		eany);
 
 #define MDSO_SYSTEM_ERROR(dctx)           \
 	mdso_record_error(                \
@@ -58,11 +58,11 @@ int mdso_record_error(
 		MDSO_ERROR_TOP_LEVEL,     \
 		0)
 
-#define MDSO_CUSTOM_ERROR(dctx,liberror)  \
+#define MDSO_CUSTOM_ERROR(dctx,elibcode)  \
 	mdso_record_error(                \
 		dctx,                     \
 		0,                        \
-		liberror,                 \
+		elibcode,                 \
 		__func__,                 \
 		__LINE__,                 \
 		MDSO_ERROR_TOP_LEVEL      \
diff --git a/src/output/mdso_output_error.c b/src/output/mdso_output_error.c
index 25817aa..59469b9 100644
--- a/src/output/mdso_output_error.c
+++ b/src/output/mdso_output_error.c
@@ -19,13 +19,13 @@ static const char aclr_magenta[] = "\x1b[35m";
 
 static const char * mdso_output_error_header(const struct mdso_error_info * erri)
 {
-	if (erri->flags & MDSO_ERROR_CHILD)
+	if (erri->eflags & MDSO_ERROR_CHILD)
 		return "exec error upon";
 
-	else if (erri->flags & MDSO_ERROR_TOP_LEVEL)
+	else if (erri->eflags & MDSO_ERROR_TOP_LEVEL)
 		return "error logged in";
 
-	else if (erri->flags & MDSO_ERROR_NESTED)
+	else if (erri->eflags & MDSO_ERROR_NESTED)
 		return "< returned to >";
 
 	else
@@ -34,20 +34,20 @@ static const char * mdso_output_error_header(const struct mdso_error_info * erri
 
 static const char * mdso_output_strerror(const struct mdso_error_info * erri)
 {
-	if (erri->flags & MDSO_ERROR_CUSTOM)
+	if (erri->eflags & MDSO_ERROR_CUSTOM)
 		return "flow error: unexpected condition or other";
 
-	else if (erri->flags & MDSO_ERROR_NESTED)
+	else if (erri->eflags & MDSO_ERROR_NESTED)
 		return "";
 
-	else if (erri->flags & MDSO_ERROR_CHILD)
+	else if (erri->eflags & MDSO_ERROR_CHILD)
 		return "(see child process error messages)";
 
-	else if (erri->syserror == ENOBUFS)
+	else if (erri->esyscode == ENOBUFS)
 		return "input error: string length exceeds buffer size.";
 
 	else
-		return strerror(erri->syserror);
+		return strerror(erri->esyscode);
 }
 
 static int mdso_output_error_record_plain(
@@ -59,8 +59,8 @@ static int mdso_output_error_record_plain(
 	if (fprintf(stderr,"%s: %s %s(), line %d%s%s.\n",
 			dctx->program,
 			mdso_output_error_header(erri),
-			erri->function,
-			erri->line,
+			erri->efunction,
+			erri->eline,
 			strlen(errdesc) ? ": " : "",
 			errdesc) < 0)
 		return -1;
@@ -87,11 +87,11 @@ static int mdso_output_error_record_annotated(
 			aclr_reset,
 
 			aclr_bold,aclr_blue,
-			erri->function,
+			erri->efunction,
 			aclr_reset,
 
 			aclr_bold,aclr_green,
-			erri->line,
+			erri->eline,
 			aclr_reset,
 			strlen(errdesc) ? ": " : "",
 
-- 
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