[binutils-gdb] libsframe: Fix calloc argument order in dump_sframe_header

Mark Wielaard mark@sourceware.org
Mon Jan 22 17:21:12 GMT 2024


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=aa5a36b118ade63ebb189a8a51ef5e9c7ea30505

commit aa5a36b118ade63ebb189a8a51ef5e9c7ea30505
Author: Mark Wielaard <mark@klomp.org>
Date:   Mon Jan 22 00:12:45 2024 +0100

    libsframe: Fix calloc argument order in dump_sframe_header
    
    GCC14 warns about the order of the arguments to calloc
    
    libsframe/sframe-dump.c: In function ‘dump_sframe_header’:
    libsframe/sframe-dump.c:70:39: warning: ‘calloc’ sizes specified with ‘sizeof’ in the earlier argument and not in the later argument [-Wcalloc-transposed-args]
       70 |   flags_str = (char*) calloc (sizeof (char), SFRAME_HEADER_FLAGS_STR_MAX_LEN);
          |                                       ^~~~
    libsframe/sframe-dump.c:70:39: note: earlier argument should specify number of elements, later size of each element
    
    Fix this by swapping the size and count arguments.
    
    libsframe/
    
            * sframe-dump.c (dump_sframe_header): Swap arguments to calloc

Diff:
---
 libsframe/sframe-dump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libsframe/sframe-dump.c b/libsframe/sframe-dump.c
index 0d596918f72..42a086a5691 100644
--- a/libsframe/sframe-dump.c
+++ b/libsframe/sframe-dump.c
@@ -67,7 +67,7 @@ dump_sframe_header (sframe_decoder_ctx *sfd_ctx)
 
   /* Prepare SFrame section flags string.  */
   flags = header->sfh_preamble.sfp_flags;
-  flags_str = (char*) calloc (sizeof (char), SFRAME_HEADER_FLAGS_STR_MAX_LEN);
+  flags_str = (char*) calloc (SFRAME_HEADER_FLAGS_STR_MAX_LEN, sizeof (char));
   if (flags)
     {
       if (flags & SFRAME_F_FDE_SORTED)


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