diff options
Diffstat (limited to 'nsprpub/pr/src/misc/praton.c')
| -rw-r--r-- | nsprpub/pr/src/misc/praton.c | 87 |
1 files changed, 52 insertions, 35 deletions
diff --git a/nsprpub/pr/src/misc/praton.c b/nsprpub/pr/src/misc/praton.c index 80c0628cc..3e729f587 100644 --- a/nsprpub/pr/src/misc/praton.c +++ b/nsprpub/pr/src/misc/praton.c @@ -10,7 +10,7 @@ /* * Copyright (c) 1983, 1990, 1993 * The Regents of the University of California. All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -22,7 +22,7 @@ * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -38,14 +38,14 @@ /* * Portions Copyright (c) 1993 by Digital Equipment Corporation. - * + * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. - * + * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT @@ -78,7 +78,7 @@ static const unsigned char index_hex[256] = { XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,XX,XX, XX,XX,XX,XX, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,XX,XX, XX,XX,XX,XX, XX,10,11,12, 13,14,15,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,10,11,12, 13,14,15,XX, XX,XX,XX,XX, XX,XX,XX,XX, @@ -93,9 +93,15 @@ static const unsigned char index_hex[256] = { XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, }; -static PRBool _isdigit(char c) { return c >= '0' && c <= '9'; } -static PRBool _isxdigit(char c) { return index_hex[(unsigned char) c] != XX; } -static PRBool _isspace(char c) { return c == ' ' || (c >= '\t' && c <= '\r'); } +static PRBool _isdigit(char c) { + return c >= '0' && c <= '9'; +} +static PRBool _isxdigit(char c) { + return index_hex[(unsigned char) c] != XX; +} +static PRBool _isspace(char c) { + return c == ' ' || (c >= '\t' && c <= '\r'); +} #undef XX int @@ -115,13 +121,15 @@ pr_inet_aton(const char *cp, PRUint32 *addr) * Values are specified as for C: * 0x=hex, 0=octal, isdigit=decimal. */ - if (!_isdigit(c)) + if (!_isdigit(c)) { return (0); + } val = 0; base = 10; digit = 0; if (c == '0') { c = *++cp; - if (c == 'x' || c == 'X') + if (c == 'x' || c == 'X') { base = 16, c = *++cp; + } else { base = 8; digit = 1; @@ -129,8 +137,9 @@ pr_inet_aton(const char *cp, PRUint32 *addr) } for (;;) { if (_isdigit(c)) { - if (base == 8 && (c == '8' || c == '9')) + if (base == 8 && (c == '8' || c == '9')) { return (0); + } val = (val * base) + (c - '0'); c = *++cp; digit = 1; @@ -138,8 +147,9 @@ pr_inet_aton(const char *cp, PRUint32 *addr) val = (val << 4) + index_hex[(unsigned char) c]; c = *++cp; digit = 1; - } else + } else { break; + } } if (c == '.') { /* @@ -148,51 +158,58 @@ pr_inet_aton(const char *cp, PRUint32 *addr) * a.b.c (with c treated as 16 bits) * a.b (with b treated as 24 bits) */ - if (pp >= parts + 3 || val > 0xffU) + if (pp >= parts + 3 || val > 0xffU) { return (0); + } *pp++ = val; c = *++cp; - } else + } else { break; + } } /* * Check for trailing characters. */ - if (c != '\0' && !_isspace(c)) + if (c != '\0' && !_isspace(c)) { return (0); + } /* * Did we get a valid digit? */ - if (!digit) + if (!digit) { return (0); + } /* * Concoct the address according to * the number of parts specified. */ n = pp - parts + 1; switch (n) { - case 1: /*%< a -- 32 bits */ - break; + case 1: /*%< a -- 32 bits */ + break; - case 2: /*%< a.b -- 8.24 bits */ - if (val > 0xffffffU) - return (0); - val |= (unsigned int)parts[0] << 24; - break; + case 2: /*%< a.b -- 8.24 bits */ + if (val > 0xffffffU) { + return (0); + } + val |= (unsigned int)parts[0] << 24; + break; - case 3: /*%< a.b.c -- 8.8.16 bits */ - if (val > 0xffffU) - return (0); - val |= ((unsigned int)parts[0] << 24) | ((unsigned int)parts[1] << 16); - break; + case 3: /*%< a.b.c -- 8.8.16 bits */ + if (val > 0xffffU) { + return (0); + } + val |= ((unsigned int)parts[0] << 24) | ((unsigned int)parts[1] << 16); + break; - case 4: /*%< a.b.c.d -- 8.8.8.8 bits */ - if (val > 0xffU) - return (0); - val |= ((unsigned int)parts[0] << 24) | - ((unsigned int)parts[1] << 16) | - ((unsigned int)parts[2] << 8); - break; + case 4: /*%< a.b.c.d -- 8.8.8.8 bits */ + if (val > 0xffU) { + return (0); + } + val |= ((unsigned int)parts[0] << 24) | + ((unsigned int)parts[1] << 16) | + ((unsigned int)parts[2] << 8); + break; } *addr = PR_htonl(val); return (1); |