diff options
Diffstat (limited to 'libc/inet/addr.c')
-rw-r--r-- | libc/inet/addr.c | 108 |
1 files changed, 53 insertions, 55 deletions
diff --git a/libc/inet/addr.c b/libc/inet/addr.c index dcdd06cd4..142363ccc 100644 --- a/libc/inet/addr.c +++ b/libc/inet/addr.c @@ -10,77 +10,75 @@ int inet_aton(const char *cp, struct in_addr *inp); #ifdef L_inet_aton -int -inet_aton(cp, inp) +int inet_aton(cp, inp) const char *cp; struct in_addr *inp; { - unsigned long addr; - int value; - int part; - - if (!inp) - return 0; - - addr = 0; - for (part=1;part<=4;part++) { - - if (!isdigit(*cp)) - return 0; - - value = 0; - while (isdigit(*cp)) { - value *= 10; - value += *cp++ - '0'; - if (value > 255) - return 0; - } - - if (*cp++ != ((part == 4) ? '\0' : '.')) - return 0; - - addr <<= 8; - addr |= value; - } - - inp->s_addr = htonl(addr); - - return 1; + unsigned long addr; + int value; + int part; + + if (!inp) + return 0; + + addr = 0; + for (part = 1; part <= 4; part++) { + + if (!isdigit(*cp)) + return 0; + + value = 0; + while (isdigit(*cp)) { + value *= 10; + value += *cp++ - '0'; + if (value > 255) + return 0; + } + + if (*cp++ != ((part == 4) ? '\0' : '.')) + return 0; + + addr <<= 8; + addr |= value; + } + + inp->s_addr = htonl(addr); + + return 1; } #endif #ifdef L_inet_addr -unsigned long -inet_addr(cp) +unsigned long inet_addr(cp) const char *cp; { - struct in_addr a; - if (!inet_aton(cp, &a)) - return -1; - else - return a.s_addr; + struct in_addr a; + + if (!inet_aton(cp, &a)) + return -1; + else + return a.s_addr; } #endif #ifdef L_inet_ntoa -extern char * itoa(int); +extern char *itoa(int); -char * -inet_ntoa(in) +char *inet_ntoa(in) struct in_addr in; { - static char buf[18]; - unsigned long addr = ntohl(in.s_addr); - - strcpy(buf, itoa((addr >> 24) & 0xff)); - strcat(buf, "."); - strcat(buf, itoa((addr >> 16) & 0xff)); - strcat(buf, "."); - strcat(buf, itoa((addr >> 8) & 0xff)); - strcat(buf, "."); - strcat(buf, itoa(addr & 0xff)); - - return buf; + static char buf[18]; + unsigned long addr = ntohl(in.s_addr); + + strcpy(buf, itoa((addr >> 24) & 0xff)); + strcat(buf, "."); + strcat(buf, itoa((addr >> 16) & 0xff)); + strcat(buf, "."); + strcat(buf, itoa((addr >> 8) & 0xff)); + strcat(buf, "."); + strcat(buf, itoa(addr & 0xff)); + + return buf; } #endif |