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seq: update_group_ports - rewrite blknames update

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Resolve the warning bellow and use more optimized calls.

seqmid.c: In function ‘update_group_ports’:
seqmid.c:672:45: warning: ‘%s’ directive output may be truncated writing up to 127 bytes into a region of size 61 [-Wformat-truncation=]
  672 |                                          ", %s", bp->name);
      |                                             ^~
seqmid.c:671:33: note: ‘snprintf’ output between 3 and 130 bytes into a destination of size 63
  671 |                                 snprintf(blknames + len, sizeof(blknames) - len,
      |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  672 |                                          ", %s", bp->name);
      |                                          ~~~~~~~~~~~~~~~~~

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2025-04-07 18:45:42 +02:00
parent 647c001321
commit a4e47461ec
1 changed files with 4 additions and 9 deletions
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13
src/seq/seqmid.c
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@ -632,7 +632,6 @@ static void update_group_ports(snd_seq_t *seq, snd_ump_endpoint_info_t *ep)
char blknames[64];
char name[64];
unsigned int caps = 0;
int len;
blknames[0] = 0;
for (b = 0; b < ep->num_blocks; b++) {
@ -664,15 +663,11 @@ static void update_group_ports(snd_seq_t *seq, snd_ump_endpoint_info_t *ep)
break;
}
if (!*bp->name)
if (bp->name[0] == '\0')
continue;
len = strlen(blknames);
if (len)
snprintf(blknames + len, sizeof(blknames) - len,
", %s", bp->name);
else
snd_strlcpy(blknames, (const char *)bp->name,
sizeof(blknames));
if (blknames[0])
snd_strlcpy(blknames, ", ", sizeof(blknames));
snd_strlcpy(blknames, (const char *)bp->name, sizeof(blknames));
}
if (!*blknames)