From 5aaff8260abdaefdbf7a64d3e66b1928dfe5d726 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ghostscript.com>
Date: Wed, 11 Mar 2009 01:44:12 +0100
Subject: Add fz_catch function, and cause the throw/rethrow/catch functions to
 print the errors immediately.

---
 apps/common/pdfapp.c | 15 +++++----------
 apps/pdfclean.c      |  9 ++-------
 apps/pdfdraw.c       | 11 +++--------
 apps/pdfinfo.c       | 17 ++++++-----------
 apps/pdfshow.c       |  9 ++-------
 apps/unix/x11pdf.c   |  2 +-
 6 files changed, 19 insertions(+), 44 deletions(-)

(limited to 'apps')

diff --git a/apps/common/pdfapp.c b/apps/common/pdfapp.c
index b01bd485..b3507097 100644
--- a/apps/common/pdfapp.c
+++ b/apps/common/pdfapp.c
@@ -83,16 +83,11 @@ void pdfapp_open(pdfapp_t *app, char *filename)
 	error = pdf_loadxref(app->xref, filename);
 	if (error)
 	{
-		if (!strncmp(error->msg, "ioerror", 7))
-			pdfapp_error(app, error);
-		pdfapp_warn(app,
-			"There was a problem with file \"%s\".\n"
-			"It may be corrupted or generated by faulty software.\n\n"
-			"%s\n\nTrying to continue anyway...",
-				filename, error->msg);
-		error = pdf_repairxref(app->xref, filename);
-		if (error)
-			pdfapp_error(app, error);
+	    fz_catch(error, "trying to repair");
+	    pdfapp_warn(app, "There was a problem with file \"%s\".\nIt may be corrupted or generated by faulty software.\nTrying to repair the file.", filename);
+	    error = pdf_repairxref(app->xref, filename);
+	    if (error)
+		pdfapp_error(app, error);
 	}
 
 	/*
diff --git a/apps/pdfclean.c b/apps/pdfclean.c
index 7a8cc0fc..58fc9b68 100644
--- a/apps/pdfclean.c
+++ b/apps/pdfclean.c
@@ -26,10 +26,7 @@ int doexpand = 0;
 
 void die(fz_error *eo)
 {
-    fflush(stdout);
-    fz_printerror(eo);
-    fz_droperror(eo);
-    fflush(stderr);
+    fz_catch(eo, "aborting");
     exit(1);
 }
 
@@ -45,9 +42,7 @@ void openxref(char *filename, char *password)
     error = pdf_loadxref(xref, filename);
     if (error)
     {
-	fz_printerror(error);
-	fz_droperror(error);
-	fz_warn("trying to repair");
+	fz_catch(error, "trying to repair");
 	error = pdf_repairxref(xref, filename);
 	if (error)
 	    die(error);
diff --git a/apps/pdfdraw.c b/apps/pdfdraw.c
index 53df42c8..cc7ce53e 100644
--- a/apps/pdfdraw.c
+++ b/apps/pdfdraw.c
@@ -23,13 +23,10 @@ pdf_pagetree *pagetree = nil;
 
 void die(fz_error *eo)
 {
-    fflush(stdout);
-    fz_printerror(eo);
-    fz_droperror(eo);
-    fflush(stderr);
+    fz_catch(eo, "aborting");
     if (drawgc)
 	fz_droprenderer(drawgc);
-    abort();
+    exit(1);
 }
 
 void openxref(char *filename, char *password)
@@ -50,9 +47,7 @@ void openxref(char *filename, char *password)
     error = pdf_loadxref(xref, filename);
     if (error)
     {
-	fz_printerror(error);
-	fz_droperror(error);
-	fz_warn("trying to repair");
+	fz_catch(error, "trying to repair");
 	error = pdf_repairxref(xref, filename);
 	if (error)
 	    die(error);
diff --git a/apps/pdfinfo.c b/apps/pdfinfo.c
index 374b39c6..c785391d 100644
--- a/apps/pdfinfo.c
+++ b/apps/pdfinfo.c
@@ -30,14 +30,11 @@ pdf_pagetree *srcpages = nil;
 
 void die(fz_error *eo)
 {
-	fflush(stdout);
-	fz_printerror(eo);
-	fz_droperror(eo);
-	fflush(stderr);
-	if (drawgc)
-		fz_droprenderer(drawgc);
-	closesrc();
-	abort();
+    fz_catch(eo, "aborting");
+    if (drawgc)
+	fz_droprenderer(drawgc);
+    closesrc();
+    exit(-1);
 }
 
 void closesrc(void)
@@ -78,9 +75,7 @@ void opensrc(char *filename, char *password, int loadpages)
 	error = pdf_loadxref(src, filename);
 	if (error)
 	{
-		fz_printerror(error);
-		fz_droperror(error);
-		fz_warn("trying to repair");
+		fz_catch(error, "trying to repair");
 		error = pdf_repairxref(src, filename);
 		if (error)
 			die(error);
diff --git a/apps/pdfshow.c b/apps/pdfshow.c
index b3239978..4d59c590 100644
--- a/apps/pdfshow.c
+++ b/apps/pdfshow.c
@@ -9,10 +9,7 @@ pdf_xref *xref = NULL;
 
 void die(fz_error *eo)
 {
-    fflush(stdout);
-    fz_printerror(eo);
-    fz_droperror(eo);
-    fflush(stderr);
+    fz_catch(eo, "aborting");
     exit(1);
 }
 
@@ -28,9 +25,7 @@ void openxref(char *filename, char *password)
     error = pdf_loadxref(xref, filename);
     if (error)
     {
-	fz_printerror(error);
-	fz_droperror(error);
-	fz_warn("trying to repair");
+	fz_catch(error, "trying to repair");
 	error = pdf_repairxref(xref, filename);
 	if (error)
 	    die(error);
diff --git a/apps/unix/x11pdf.c b/apps/unix/x11pdf.c
index 0b1ff37c..18507f62 100644
--- a/apps/unix/x11pdf.c
+++ b/apps/unix/x11pdf.c
@@ -84,7 +84,7 @@ void winwarn(pdfapp_t *app, char *msg)
 
 void winerror(pdfapp_t *app, fz_error *error)
 {
-	fz_printerror(error);
+	fz_catch(error, "aborting");
 	exit(1);
 }
 
-- 
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