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libtags: upstream updates

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This commit is contained in:
Sigrid 2021-05-03 21:04:39 +02:00
parent b66bffe91c
commit 5e81cc48bd
5 changed files with 16 additions and 15 deletions
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4
sys/src/cmd/audio/libtags/it.c
View file

@ -3,12 +3,12 @@
int
tagit(Tagctx *ctx)
{
char d[4+26+1], o[26*UTFmax+1];
uchar d[4+26+1], o[26*2+1];
if(ctx->read(ctx, d, 4+26) != 4+26 || memcmp(d, "IMPM", 4) != 0)
return -1;
d[4+26] = 0;
if(cp437toutf8(o, sizeof(o), d+4, 26) > 0)
if(iso88591toutf8(o, sizeof(o), d+4, 26) > 0)
txtcb(ctx, Ttitle, "", o);
return 0;

5
sys/src/cmd/audio/libtags/mod.c
View file

@ -16,6 +16,7 @@ static char *variants[] =
"CD81",
"OCTA",
"OKTA",
"10CH",
"16CN",
"32CN",
nil,
@ -24,7 +25,7 @@ static char *variants[] =
int
tagmod(Tagctx *ctx)
{
char d[20], o[20*UTFmax+1];
uchar d[20], o[20*2+1];
int i;
if(ctx->seek(ctx, 1080, 0) != 1080)
@ -41,7 +42,7 @@ tagmod(Tagctx *ctx)
return -1;
if(ctx->read(ctx, d, 20) != 20)
return -1;
if(cp437toutf8(o, sizeof(o), d, 20) > 0)
if(iso88591toutf8(o, sizeof(o), d, 20) > 0)
txtcb(ctx, Ttitle, "", o);
return 0;

15
sys/src/cmd/audio/libtags/tags.c
View file

@ -41,19 +41,20 @@ tagscallcb(Tagctx *ctx, int type, const char *k, char *s, int offset, int size,
char *e;
if(f == nil && size == 0){
while(*s <= ' ' && *s)
while((uchar)*s <= ' ' && *s)
s++;
e = s + strlen(s);
while(e != s && e[-1] <= ' ')
while(e != s && (uchar)e[-1] <= ' ')
e--;
*e = 0;
}
if(type != Tunknown){
ctx->found |= 1<<type;
ctx->num++;
}
if(*s)
if(*s){
ctx->tag(ctx, type, k, s, offset, size, f);
if(type != Tunknown){
ctx->found |= 1<<type;
ctx->num++;
}
}
}
int

2
sys/src/cmd/audio/libtags/tagspriv.h
View file

@ -41,4 +41,4 @@ void cbvorbiscomment(Tagctx *ctx, char *k, char *v);
void tagscallcb(Tagctx *ctx, int type, const char *k, char *s, int offset, int size, Tagread f);
#define txtcb(ctx, type, k, s) tagscallcb(ctx, type, k, (const char*)s, 0, 0, nil)
#define txtcb(ctx, type, k, s) tagscallcb(ctx, type, k, (char*)s, 0, 0, nil)

5
sys/src/cmd/audio/libtags/xm.c
View file

@ -3,12 +3,11 @@
int
tagxm(Tagctx *ctx)
{
char d[17+20+1], o[20*UTFmax+1], *s;
char d[17+20+1], o[20*UTFmax+1];
if(ctx->read(ctx, d, 17+20) != 17+20 || memcmp(d, "Extended Module: ", 17) != 0)
if(ctx->read(ctx, d, 17+20) != 17+20 || cistrncmp(d, "Extended Module: ", 17) != 0)
return -1;
d[17+20] = 0;
for(s = d+17; *s == ' '; s++);
if(cp437toutf8(o, sizeof(o), d+17, 20) > 0)
txtcb(ctx, Ttitle, "", o);