[FFmpeg-devel] [PATCH 2/2] fftools/textformat: correctly propagate uninit error codes

[Marton Balint]

This allows catching IO errors occuring at file close.

Signed-off-by: Marton Balint <cus at passwd.hu>
---
 fftools/textformat/avtextformat.c  | 4 ++--
 fftools/textformat/avtextformat.h  | 2 +-
 fftools/textformat/avtextwriters.h | 2 +-
 fftools/textformat/tw_avio.c       | 6 ++++--
 4 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/fftools/textformat/avtextformat.c b/fftools/textformat/avtextformat.c
index 5abf81194e..3c9193bb64 100644
--- a/fftools/textformat/avtextformat.c
+++ b/fftools/textformat/avtextformat.c
@@ -114,7 +114,7 @@ int avtext_context_close(AVTextFormatContext **ptctx)
 
     if (tctx->formatter) {
         if (tctx->formatter->uninit)
-            tctx->formatter->uninit(tctx);
+            ret = tctx->formatter->uninit(tctx);
         if (tctx->formatter->priv_class)
             av_opt_free(tctx->priv);
     }
@@ -594,7 +594,7 @@ int avtextwriter_context_close(AVTextWriterContext **pwctx)
 
     if (wctx->writer) {
         if (wctx->writer->uninit)
-            wctx->writer->uninit(wctx);
+            ret = wctx->writer->uninit(wctx);
         if (wctx->writer->priv_class)
             av_opt_free(wctx->priv);
     }
diff --git a/fftools/textformat/avtextformat.h b/fftools/textformat/avtextformat.h
index 9fad3caae5..169305927b 100644
--- a/fftools/textformat/avtextformat.h
+++ b/fftools/textformat/avtextformat.h
@@ -72,7 +72,7 @@ typedef struct AVTextFormatter {
     const char *name;
 
     int  (*init)  (AVTextFormatContext *tctx);
-    void (*uninit)(AVTextFormatContext *tctx);
+    int  (*uninit)(AVTextFormatContext *tctx);
 
     void (*print_section_header)(AVTextFormatContext *tctx, const void *data);
     void (*print_section_footer)(AVTextFormatContext *tctx);
diff --git a/fftools/textformat/avtextwriters.h b/fftools/textformat/avtextwriters.h
index 87b0024ba1..04e5edcb67 100644
--- a/fftools/textformat/avtextwriters.h
+++ b/fftools/textformat/avtextwriters.h
@@ -38,7 +38,7 @@ typedef struct AVTextWriter {
     const char *name;
 
     int (* init)(AVTextWriterContext *wctx);
-    void (* uninit)(AVTextWriterContext *wctx);
+    int (* uninit)(AVTextWriterContext *wctx);
     void (* writer_w8)(AVTextWriterContext *wctx, int b);
     void (* writer_put_str)(AVTextWriterContext *wctx, const char *str);
     void (* writer_printf)(AVTextWriterContext *wctx, const char *fmt, ...);
diff --git a/fftools/textformat/tw_avio.c b/fftools/textformat/tw_avio.c
index 6034f74ec9..35c595f457 100644
--- a/fftools/textformat/tw_avio.c
+++ b/fftools/textformat/tw_avio.c
@@ -36,12 +36,14 @@ typedef struct IOWriterContext {
     int close_on_uninit;
 } IOWriterContext;
 
-static av_cold void iowriter_uninit(AVTextWriterContext *wctx)
+static av_cold int iowriter_uninit(AVTextWriterContext *wctx)
 {
     IOWriterContext *ctx = wctx->priv;
+    int ret = 0;
 
     if (ctx->close_on_uninit)
-        avio_closep(&ctx->avio_context);
+        ret = avio_closep(&ctx->avio_context);
+    return ret;
 }
 
 static void io_w8(AVTextWriterContext *wctx, int b)
-- 
2.43.0