diff options
Diffstat (limited to 'libc/inet/getservice.c')
| -rw-r--r-- | libc/inet/getservice.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/libc/inet/getservice.c b/libc/inet/getservice.c index fb22ff95a..606def8e4 100644 --- a/libc/inet/getservice.c +++ b/libc/inet/getservice.c @@ -81,12 +81,22 @@ static pthread_mutex_t mylock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; #define MAXALIASES 35 +#define SBUFSIZE (BUFSIZ + 1 + (sizeof(char *) * MAXALIASES)) static FILE *servf = NULL; static struct servent serv; -static char buf[BUFSIZ+1 + sizeof(char *)*MAXALIASES]; +static char *buf = NULL; static int serv_stayopen; +static void __initbuf(void) +{ + if (!buf) { + buf = malloc(SBUFSIZE); + if (!buf) + abort(); + } +} + void setservent(int f) { LOCK; @@ -112,7 +122,9 @@ void endservent(void) struct servent * getservent(void) { struct servent *result; - getservent_r(&serv, buf, sizeof(buf), &result); + + __initbuf(); + getservent_r(&serv, buf, SBUFSIZE, &result); return result; } @@ -120,7 +132,9 @@ struct servent * getservent(void) struct servent *getservbyname(const char *name, const char *proto) { struct servent *result; - getservbyname_r(name, proto, &serv, buf, sizeof(buf), &result); + + __initbuf(); + getservbyname_r(name, proto, &serv, buf, SBUFSIZE, &result); return result; } @@ -128,7 +142,9 @@ struct servent *getservbyname(const char *name, const char *proto) struct servent * getservbyport(int port, const char *proto) { struct servent *result; - getservbyport_r(port, proto, &serv, buf, sizeof(buf), &result); + + __initbuf(); + getservbyport_r(port, proto, &serv, buf, SBUFSIZE, &result); return result; } |