ref: a1c3c34c70431447a89fbe08c3475dbfaee7b672
dir: /sys/src/cmd/audio/zuke/icy.c/
#include <u.h> #include <libc.h> #include <bio.h> #include "plist.h" #include "icy.h" int icyfill(Meta *m) { char *s, *s0, *e, *p, *path, *d; int f, n; path = strdup(m->path); s = strchr(path, ':')+3; if((e = strchr(s, '/')) != nil) *e++ = 0; if((p = strchr(s, ':')) != nil) *p = '!'; p = smprint("tcp!%s", s); free(path); f = -1; if((d = netmkaddr(p, "tcp", "80")) != nil) f = dial(d, nil, nil, nil); free(p); if(f < 0) return -1; fprint(f, "GET /%s HTTP/0.9\r\nIcy-MetaData: 1\r\n\r\n", e ? e : ""); s0 = malloc(4096); if((n = readn(f, s0, 4095)) > 0){ s0[n] = 0; for(s = s0; s = strchr(s, '\n');){ s++; if(strncmp(s, "icy-name:", 9) == 0 && (e = strchr(s, '\r')) != nil){ *e = 0; m->artist[0] = strdup(s+9); m->numartist = 1; s = e+1; }else if(strncmp(s, "icy-url:", 8) == 0 && (e = strchr(s, '\r')) != nil){ *e = 0; m->title = strdup(s+8); s = e+1; } } } free(s0); close(f); return n > 0 ? 0 : -1; }