Remove useless try/catch/rethrows.

2 files changed, 9 insertions, 44 deletions

diff --git a/source/fitz/load-gif.c b/source/fitz/load-gif.c
index 46b2ba66..02c153f0 100644
--- a/source/fitz/load-gif.c
+++ b/source/fitz/load-gif.c
@@ -304,16 +304,7 @@ gif_read_gce(fz_context *ctx, struct info *info, unsigned char *p, unsigned char
 static unsigned char *
 gif_read_ce(fz_context *ctx, struct info *info, unsigned char *p, unsigned char *end)
 {
-	fz_try(ctx)
-	{
-		p = gif_read_subblocks(ctx, info, p + 2, end, NULL);
-	}
-	fz_catch(ctx)
-	{
-		fz_rethrow(ctx);
-	}
-
-	return p;
+	return gif_read_subblocks(ctx, info, p + 2, end, NULL);
 }
 
 static unsigned char*
@@ -323,17 +314,7 @@ gif_read_pte(fz_context *ctx, struct info *info, unsigned char *p, unsigned char
 		fz_throw(ctx, FZ_ERROR_GENERIC, "premature end in plain text extension in gif image");
 	if (p[2] != 0x0c)
 		fz_throw(ctx, FZ_ERROR_GENERIC, "out of range plain text extension block size in gif image");
-
-	fz_try(ctx)
-	{
-		p = gif_read_subblocks(ctx, info, p + 15, end, NULL);
-	}
-	fz_catch(ctx)
-	{
-		fz_rethrow(ctx);
-	}
-
-	return p;
+	return gif_read_subblocks(ctx, info, p + 15, end, NULL);
 }
 
 /*
@@ -387,16 +368,7 @@ gif_read_ae(fz_context *ctx, struct info *info, unsigned char *p, unsigned char
 		fz_warn(ctx, "ignoring unsupported application extension '%s' in gif image", extension);
 	}
 
-	fz_try(ctx)
-	{
-		p = gif_read_subblocks(ctx, info, p + 14, end, NULL);
-	}
-	fz_catch(ctx)
-	{
-		fz_rethrow(ctx);
-	}
-
-	return p;
+	return gif_read_subblocks(ctx, info, p + 14, end, NULL);
 }
 
 static void
diff --git a/source/fitz/load-tiff.c b/source/fitz/load-tiff.c
index 819ed7fd..2002c61a 100644
--- a/source/fitz/load-tiff.c
+++ b/source/fitz/load-tiff.c
@@ -939,21 +939,14 @@ fz_load_tiff_subimage_count(fz_context *ctx, unsigned char *buf, int len)
 	unsigned subimage_count = 0;
 	struct tiff tiff = { 0 };
 
-	fz_try(ctx)
-	{
-		fz_decode_tiff_header(ctx, &tiff, buf, len);
+	fz_decode_tiff_header(ctx, &tiff, buf, len);
 
-		offset = tiff.ifd_offset;
+	offset = tiff.ifd_offset;
 
-		do {
-			subimage_count++;
-			offset = fz_next_ifd(ctx, &tiff, offset);
-		} while (offset != 0);
-	}
-	fz_catch(ctx)
-	{
-		fz_rethrow(ctx);
-	}
+	do {
+		subimage_count++;
+		offset = fz_next_ifd(ctx, &tiff, offset);
+	} while (offset != 0);
 
 	return subimage_count;
 }