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libtags: modules: ignore empty title

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This commit is contained in:
Sigrid 2021-04-29 23:35:52 +02:00
parent 7cff84371d
commit e5535fad32
4 changed files with 8 additions and 8 deletions
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4
sys/src/cmd/audio/libtags/it.c
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@ -8,8 +8,8 @@ tagit(Tagctx *ctx)
if(ctx->read(ctx, d, 4+26) != 4+26 || memcmp(d, "IMPM", 4) != 0)
return -1;
d[4+26] = 0;
cp437toutf8(o, sizeof(o), d+4, 26);
txtcb(ctx, Ttitle, "", o);
if(cp437toutf8(o, sizeof(o), d+4, 26) > 0)
txtcb(ctx, Ttitle, "", o);
return 0;
}

4
sys/src/cmd/audio/libtags/mod.c
View file

@ -41,8 +41,8 @@ tagmod(Tagctx *ctx)
return -1;
if(ctx->read(ctx, d, 20) != 20)
return -1;
cp437toutf8(o, sizeof(o), d, 20);
txtcb(ctx, Ttitle, "", o);
if(cp437toutf8(o, sizeof(o), d, 20) > 0)
txtcb(ctx, Ttitle, "", o);
return 0;
}

4
sys/src/cmd/audio/libtags/s3m.c
View file

@ -10,8 +10,8 @@ tags3m(Tagctx *ctx)
d[28] = 0;
for(s = d+27; s != d-1 && (*s == ' ' || *s == 0); s--);
s[1] = 0;
cp437toutf8(o, sizeof(o), d, s+1-d);
txtcb(ctx, Ttitle, "", o);
if(cp437toutf8(o, sizeof(o), d, s+1-d) > 0)
txtcb(ctx, Ttitle, "", o);
return 0;
}

4
sys/src/cmd/audio/libtags/xm.c
View file

@ -9,8 +9,8 @@ tagxm(Tagctx *ctx)
return -1;
d[17+20] = 0;
for(s = d+17; *s == ' '; s++);
cp437toutf8(o, sizeof(o), d+17, 20);
txtcb(ctx, Ttitle, "", o);
if(cp437toutf8(o, sizeof(o), d+17, 20) > 0)
txtcb(ctx, Ttitle, "", o);
return 0;
}