[FFmpeg-cvslog] avfilter/textutils: Constify ff_expand_text()

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Thu Jun 20 21:01:34 2024 +0200| [2330e77c976f4b41ae3ad5526138b3479f595819] | committer: Andreas Rheinhardt

avfilter/textutils: Constify ff_expand_text()

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2330e77c976f4b41ae3ad5526138b3479f595819
---

 libavfilter/textutils.c | 6 +++---
 libavfilter/textutils.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavfilter/textutils.c b/libavfilter/textutils.c
index 0b132fd153..e6b5239b20 100644
--- a/libavfilter/textutils.c
+++ b/libavfilter/textutils.c
@@ -79,7 +79,7 @@ static int ff_expand_text_function_internal(FFExpandTextContext *expand_text, AV
  * @return negative value corresponding to an AVERROR error code in case of
  * errors, a non-negative value otherwise
  */
-static int ff_expand_text_function(FFExpandTextContext *expand_text, AVBPrint *bp, char **rtext)
+static int ff_expand_text_function(FFExpandTextContext *expand_text, AVBPrint *bp, const char **rtext)
 {
     void *log_ctx = expand_text->log_ctx;
     const char *text = *rtext;
@@ -112,7 +112,7 @@ static int ff_expand_text_function(FFExpandTextContext *expand_text, AVBPrint *b
     if ((ret = ff_expand_text_function_internal(expand_text, bp, argv[0], argc - 1, argv + 1)) < 0)
         goto end;
     ret = 0;
-    *rtext = (char *)text + 1;
+    *rtext = text + 1;
 
 end:
     for (i = 0; i < argc; i++)
@@ -120,7 +120,7 @@ end:
     return ret;
 }
 
-int ff_expand_text(FFExpandTextContext *expand_text, char *text, AVBPrint *bp)
+int ff_expand_text(FFExpandTextContext *expand_text, const char *text, AVBPrint *bp)
 {
     int ret;
 
diff --git a/libavfilter/textutils.h b/libavfilter/textutils.h
index d89956bfcc..8c2399d153 100644
--- a/libavfilter/textutils.h
+++ b/libavfilter/textutils.h
@@ -94,7 +94,7 @@ typedef struct FFExpandTextContext {
  * @return negative value corresponding to an AVERROR error code in case of
  * errors, a non-negative value otherwise
  */
-int ff_expand_text(FFExpandTextContext *expand_text, char *text, AVBPrint *bp);
+int ff_expand_text(FFExpandTextContext *expand_text, const char *text, AVBPrint *bp);
 
 /**
  * Print PTS representation to an AVBPrint object.