/* * Copyright (c) 1998 Todd C. Miller * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $ * Copyright (c) 1997, 2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Klaus Klein and Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * $NetBSD: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $ * Copyright (c) 1987, 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: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. 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 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $NetBSD: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $ */ #include #include #include #ifndef HAVE_GETOPT char *optarg; int optind = 1; int getopt(int argc, char **argv, char *args) { size_t n; size_t nlen = strlen(args); char cmd; char rv; if (argv[optind] && *argv[optind] == '-') { cmd = *(argv[optind] + 1); for (n = 0; n < nlen; n++) { if (args[n] == ':') continue; if (args[n] == cmd) { rv = *(argv[optind] + 1); if (args[n+1] == ':') { if (*(argv[optind] + 2) != '\0') { optarg = argv[optind] + 2; optind += 1; } else { optarg = argv[optind + 1]; optind += 2; } if (!optarg) optarg=""; return rv; } else { optarg = NULL; optind += 1; return rv; } } } } return -1; } #endif #ifdef WIN32 #define ISPATHSEPARATOR(x) ((x == '/') || (x == '\\')) #else #define ISPATHSEPARATOR(x) (x == '/') #endif #ifndef HAVE_BASENAME #ifndef PATH_MAX #define PATH_MAX 5000 #endif char * basename(char *path) { static char singledot[] = "."; static char result[PATH_MAX]; char *p, *lastp; size_t len; /* * If `path' is a null pointer or points to an empty string, * return a pointer to the string ".". */ if ((path == NULL) || (*path == '\0')) return (singledot); /* Strip trailing slashes, if any. */ lastp = path + strlen(path) - 1; while (lastp != path && ISPATHSEPARATOR(*lastp)) lastp--; /* Now find the beginning of this (final) component. */ p = lastp; while (p != path && !ISPATHSEPARATOR(*(p - 1))) p--; /* ...and copy the result into the result buffer. */ len = (lastp - p) + 1 /* last char */; if (len > (PATH_MAX - 1)) len = PATH_MAX - 1; memcpy(result, p, len); result[len] = '\0'; return (result); } #endif #if !defined(HAVE_MKSTEMP) && !defined(WIN32) int mkstemp(char *path) { char *start, *trv; unsigned int pid; /* To guarantee multiple calls generate unique names even if the file is not created. 676 different possibilities with 7 or more X's, 26 with 6 or less. */ static char xtra[2] = "aa"; int xcnt = 0; pid = getpid(); /* Move to end of path and count trailing X's. */ for (trv = path; *trv; ++trv) if (*trv == 'X') xcnt++; else xcnt = 0; /* Use at least one from xtra. Use 2 if more than 6 X's. */ if (*(trv - 1) == 'X') *--trv = xtra[0]; if (xcnt > 6 && *(trv - 1) == 'X') *--trv = xtra[1]; /* Set remaining X's to pid digits with 0's to the left. */ while (*--trv == 'X') { *trv = (pid % 10) + '0'; pid /= 10; } /* update xtra for next call. */ if (xtra[0] != 'z') xtra[0]++; else { xtra[0] = 'a'; if (xtra[1] != 'z') xtra[1]++; else xtra[1] = 'a'; } return open(path, O_CREAT | O_EXCL | O_RDWR, 0600); } #endif #ifndef HAVE_FFS int ffs(int x) { int r = 1; if (!x) return 0; if (!(x & 0xffff)) { x >>= 16; r += 16; } if (!(x & 0xff)) { x >>= 8; r += 8; } if (!(x & 0xf)) { x >>= 4; r += 4; } if (!(x & 3)) { x >>= 2; r += 2; } if (!(x & 1)) { x >>= 1; r += 1; } return r; } #endif /* * Copyright Patrick Powell 1995 * This code is based on code written by Patrick Powell (papowell@astart.com) * It may be used for any purpose as long as this notice remains intact * on all source code distributions */ #if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF) static void dopr(char *buffer, size_t maxlen, const char *format, va_list args); static void fmtstr(char *buffer, size_t *currlen, size_t maxlen, char *value, int flags, int min, int max); static void fmtint(char *buffer, size_t *currlen, size_t maxlen, long value, int base, int min, int max, int flags); static void fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue, int min, int max, int flags); static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c); /* * dopr(): poor man's version of doprintf */ /* format read states */ #define DP_S_DEFAULT 0 #define DP_S_FLAGS 1 #define DP_S_MIN 2 #define DP_S_DOT 3 #define DP_S_MAX 4 #define DP_S_MOD 5 #define DP_S_CONV 6 #define DP_S_DONE 7 /* format flags - Bits */ #define DP_F_MINUS (1 << 0) #define DP_F_PLUS (1 << 1) #define DP_F_SPACE (1 << 2) #define DP_F_NUM (1 << 3) #define DP_F_ZERO (1 << 4) #define DP_F_UP (1 << 5) #define DP_F_UNSIGNED (1 << 6) /* Conversion Flags */ #define DP_C_SHORT 1 #define DP_C_LONG 2 #define DP_C_LDOUBLE 3 #define DP_C_LONG_LONG 4 #define char_to_int(p) (p - '0') #define abs_val(p) (p < 0 ? -p : p) static void dopr(char *buffer, size_t maxlen, const char *format, va_list args) { char *strvalue, ch; long value; long double fvalue; int min = 0, max = -1, state = DP_S_DEFAULT, flags = 0, cflags = 0; size_t currlen = 0; ch = *format++; while (state != DP_S_DONE) { if ((ch == '\0') || (currlen >= maxlen)) state = DP_S_DONE; switch(state) { case DP_S_DEFAULT: if (ch == '%') state = DP_S_FLAGS; else dopr_outch(buffer, &currlen, maxlen, ch); ch = *format++; break; case DP_S_FLAGS: switch (ch) { case '-': flags |= DP_F_MINUS; ch = *format++; break; case '+': flags |= DP_F_PLUS; ch = *format++; break; case ' ': flags |= DP_F_SPACE; ch = *format++; break; case '#': flags |= DP_F_NUM; ch = *format++; break; case '0': flags |= DP_F_ZERO; ch = *format++; break; default: state = DP_S_MIN; break; } break; case DP_S_MIN: if (isdigit((unsigned char)ch)) { min = 10 * min + char_to_int (ch); ch = *format++; } else if (ch == '*') { min = va_arg (args, int); ch = *format++; state = DP_S_DOT; } else state = DP_S_DOT; break; case DP_S_DOT: if (ch == '.') { state = DP_S_MAX; ch = *format++; } else state = DP_S_MOD; break; case DP_S_MAX: if (isdigit((unsigned char)ch)) { if (max < 0) max = 0; max = 10 * max + char_to_int(ch); ch = *format++; } else if (ch == '*') { max = va_arg (args, int); ch = *format++; state = DP_S_MOD; } else state = DP_S_MOD; break; case DP_S_MOD: switch (ch) { case 'h': cflags = DP_C_SHORT; ch = *format++; break; case 'l': cflags = DP_C_LONG; ch = *format++; if (ch == 'l') { cflags = DP_C_LONG_LONG; ch = *format++; } break; case 'q': cflags = DP_C_LONG_LONG; ch = *format++; break; case 'L': cflags = DP_C_LDOUBLE; ch = *format++; break; default: break; } state = DP_S_CONV; break; case DP_S_CONV: switch (ch) { case 'd': case 'i': if (cflags == DP_C_SHORT) value = va_arg(args, int); else if (cflags == DP_C_LONG) value = va_arg(args, long int); else if (cflags == DP_C_LONG_LONG) value = va_arg (args, long long); else value = va_arg (args, int); fmtint(buffer, &currlen, maxlen, value, 10, min, max, flags); break; case 'o': flags |= DP_F_UNSIGNED; if (cflags == DP_C_SHORT) value = va_arg(args, unsigned int); else if (cflags == DP_C_LONG) value = va_arg(args, unsigned long int); else if (cflags == DP_C_LONG_LONG) value = va_arg(args, unsigned long long); else value = va_arg(args, unsigned int); fmtint(buffer, &currlen, maxlen, value, 8, min, max, flags); break; case 'u': flags |= DP_F_UNSIGNED; if (cflags == DP_C_SHORT) value = va_arg(args, unsigned int); else if (cflags == DP_C_LONG) value = va_arg(args, unsigned long int); else if (cflags == DP_C_LONG_LONG) value = va_arg(args, unsigned long long); else value = va_arg(args, unsigned int); fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags); break; case 'X': flags |= DP_F_UP; case 'x': flags |= DP_F_UNSIGNED; if (cflags == DP_C_SHORT) value = va_arg(args, unsigned int); else if (cflags == DP_C_LONG) value = va_arg(args, unsigned long int); else if (cflags == DP_C_LONG_LONG) value = va_arg(args, unsigned long long); else value = va_arg(args, unsigned int); fmtint(buffer, &currlen, maxlen, value, 16, min, max, flags); break; case 'f': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, long double); else fvalue = va_arg(args, double); /* um, floating point? */ fmtfp(buffer, &currlen, maxlen, fvalue, min, max, flags); break; case 'E': flags |= DP_F_UP; case 'e': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, long double); else fvalue = va_arg(args, double); break; case 'G': flags |= DP_F_UP; case 'g': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, long double); else fvalue = va_arg(args, double); break; case 'c': dopr_outch(buffer, &currlen, maxlen, va_arg(args, int)); break; case 's': strvalue = va_arg(args, char *); if (max < 0) max = maxlen; /* ie, no max */ fmtstr(buffer, &currlen, maxlen, strvalue, flags, min, max); break; case 'p': strvalue = va_arg(args, void *); fmtint(buffer, &currlen, maxlen, (long) strvalue, 16, min, max, flags); break; case 'n': if (cflags == DP_C_SHORT) { short int *num; num = va_arg(args, short int *); *num = currlen; } else if (cflags == DP_C_LONG) { long int *num; num = va_arg(args, long int *); *num = currlen; } else if (cflags == DP_C_LONG_LONG) { long long *num; num = va_arg(args, long long *); *num = currlen; } else { int *num; num = va_arg(args, int *); *num = currlen; } break; case '%': dopr_outch(buffer, &currlen, maxlen, ch); break; case 'w': /* not supported yet, treat as next char */ ch = *format++; break; default: /* Unknown, skip */ break; } ch = *format++; state = DP_S_DEFAULT; flags = cflags = min = 0; max = -1; break; case DP_S_DONE: break; default: /* hmm? */ break; /* some picky compilers need this */ } } if (currlen < maxlen - 1) buffer[currlen] = '\0'; else buffer[maxlen - 1] = '\0'; } static void fmtstr(char *buffer, size_t *currlen, size_t maxlen, char *value, int flags, int min, int max) { int cnt = 0, padlen, strln; /* amount to pad */ if (value == 0) value = ""; for (strln = 0; value[strln]; ++strln); /* strlen */ padlen = min - strln; if (padlen < 0) padlen = 0; if (flags & DP_F_MINUS) padlen = -padlen; /* Left Justify */ while ((padlen > 0) && (cnt < max)) { dopr_outch(buffer, currlen, maxlen, ' '); --padlen; ++cnt; } while (*value && (cnt < max)) { dopr_outch(buffer, currlen, maxlen, *value++); ++cnt; } while ((padlen < 0) && (cnt < max)) { dopr_outch(buffer, currlen, maxlen, ' '); ++padlen; ++cnt; } } /* Have to handle DP_F_NUM (ie 0x and 0 alternates) */ static void fmtint(char *buffer, size_t *currlen, size_t maxlen, long value, int base, int min, int max, int flags) { unsigned long uvalue; char convert[20]; int signvalue = 0, place = 0, caps = 0; int spadlen = 0; /* amount to space pad */ int zpadlen = 0; /* amount to zero pad */ #define PADMAX(x,y) ((x) > (y) ? (x) : (y)) if (max < 0) max = 0; uvalue = value; if (!(flags & DP_F_UNSIGNED)) { if (value < 0) { signvalue = '-'; uvalue = -value; } else if (flags & DP_F_PLUS) /* Do a sign (+/i) */ signvalue = '+'; else if (flags & DP_F_SPACE) signvalue = ' '; } if (flags & DP_F_UP) caps = 1; /* Should characters be upper case? */ do { convert[place++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef") [uvalue % (unsigned)base]; uvalue = (uvalue / (unsigned)base ); } while (uvalue && (place < 20)); if (place == 20) place--; convert[place] = 0; zpadlen = max - place; spadlen = min - PADMAX(max, place) - (signvalue ? 1 : 0); if (zpadlen < 0) zpadlen = 0; if (spadlen < 0) spadlen = 0; if (flags & DP_F_ZERO) { zpadlen = PADMAX(zpadlen, spadlen); spadlen = 0; } if (flags & DP_F_MINUS) spadlen = -spadlen; /* Left Justifty */ /* Spaces */ while (spadlen > 0) { dopr_outch(buffer, currlen, maxlen, ' '); --spadlen; } /* Sign */ if (signvalue) dopr_outch(buffer, currlen, maxlen, signvalue); /* Zeros */ if (zpadlen > 0) { while (zpadlen > 0) { dopr_outch(buffer, currlen, maxlen, '0'); --zpadlen; } } /* Digits */ while (place > 0) dopr_outch(buffer, currlen, maxlen, convert[--place]); /* Left Justified spaces */ while (spadlen < 0) { dopr_outch (buffer, currlen, maxlen, ' '); ++spadlen; } } static long double pow10(int exp) { long double result = 1; while (exp) { result *= 10; exp--; } return result; } static long round(long double value) { long intpart = value; value -= intpart; if (value >= 0.5) intpart++; return intpart; } static void fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue, int min, int max, int flags) { char iconvert[20], fconvert[20]; int signvalue = 0, iplace = 0, fplace = 0; int padlen = 0; /* amount to pad */ int zpadlen = 0, caps = 0; long intpart, fracpart; long double ufvalue; /* * AIX manpage says the default is 0, but Solaris says the default * is 6, and sprintf on AIX defaults to 6 */ if (max < 0) max = 6; ufvalue = abs_val(fvalue); if (fvalue < 0) signvalue = '-'; else if (flags & DP_F_PLUS) /* Do a sign (+/i) */ signvalue = '+'; else if (flags & DP_F_SPACE) signvalue = ' '; intpart = ufvalue; /* * Sorry, we only support 9 digits past the decimal because of our * conversion method */ if (max > 9) max = 9; /* We "cheat" by converting the fractional part to integer by * multiplying by a factor of 10 */ fracpart = round((pow10 (max)) * (ufvalue - intpart)); if (fracpart >= pow10 (max)) { intpart++; fracpart -= pow10 (max); } /* Convert integer part */ do { iconvert[iplace++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef") [intpart % 10]; intpart = (intpart / 10); } while(intpart && (iplace < 20)); if (iplace == 20) iplace--; iconvert[iplace] = 0; /* Convert fractional part */ do { fconvert[fplace++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef") [fracpart % 10]; fracpart = (fracpart / 10); } while(fracpart && (fplace < 20)); if (fplace == 20) fplace--; fconvert[fplace] = 0; /* -1 for decimal point, another -1 if we are printing a sign */ padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0); zpadlen = max - fplace; if (zpadlen < 0) zpadlen = 0; if (padlen < 0) padlen = 0; if (flags & DP_F_MINUS) padlen = -padlen; /* Left Justifty */ if ((flags & DP_F_ZERO) && (padlen > 0)) { if (signvalue) { dopr_outch(buffer, currlen, maxlen, signvalue); --padlen; signvalue = 0; } while (padlen > 0) { dopr_outch(buffer, currlen, maxlen, '0'); --padlen; } } while (padlen > 0) { dopr_outch(buffer, currlen, maxlen, ' '); --padlen; } if (signvalue) dopr_outch(buffer, currlen, maxlen, signvalue); while (iplace > 0) dopr_outch(buffer, currlen, maxlen, iconvert[--iplace]); /* * Decimal point. This should probably use locale to find the * correct char to print out. */ dopr_outch(buffer, currlen, maxlen, '.'); while (fplace > 0) dopr_outch(buffer, currlen, maxlen, fconvert[--fplace]); while (zpadlen > 0) { dopr_outch(buffer, currlen, maxlen, '0'); --zpadlen; } while (padlen < 0) { dopr_outch(buffer, currlen, maxlen, ' '); ++padlen; } } static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c) { if (*currlen < maxlen) buffer[(*currlen)++] = c; } #endif /* !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF) */ #ifndef HAVE_VSNPRINTF int vsnprintf(char *str, size_t count, const char *fmt, va_list args) { str[0] = 0; dopr(str, count, fmt, args); return(strlen(str)); } #endif /* !HAVE_VSNPRINTF */ #ifndef HAVE_SNPRINTF int snprintf(char *str,size_t count,const char *fmt,...) { va_list ap; va_start(ap, fmt); (void) vsnprintf(str, count, fmt, ap); va_end(ap); return(strlen(str)); } #endif /* !HAVE_SNPRINTF */