/* $NetBSD: util.c,v 1.3 1995/03/06 19:11:53 mycroft Exp $ */ /* * Copyright (c) 1990, 1991, 1993, 1994 * 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: (1) source code distributions * retain the above copyright notice and this paragraph in its entirety, (2) * distributions including binary code include the above copyright notice and * this paragraph in its entirety in the documentation or other materials * provided with the distribution, and (3) all advertising materials mentioning * features or use of this software display the following acknowledgement: * ``This product includes software developed by the University of California, * Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static char rcsid[] = "@(#) Header: util.c,v 1.28 94/06/12 14:30:31 leres Exp (LBL)"; #endif #include #include #include #include #include #include #ifdef SOLARIS #include #endif #ifdef __STDC__ #include #endif #include #if __STDC__ #include #else #include #endif #include #include #include "interface.h" /* * Print out a filename (or other ascii string). * If ep is NULL, assume no truncation check is needed. * Return true if truncated. */ int fn_print(register const u_char *s, register const u_char *ep) { register int ret; register u_char c; ret = 1; /* assume truncated */ putchar('"'); while (ep == NULL || s < ep) { c = *s++; if (c == '\0') { ret = 0; break; } if (!isascii(c)) { c = toascii(c); putchar('M'); putchar('-'); } if (!isprint(c)) { c ^= 0x40; /* DEL to ?, others to alpha */ putchar('^'); } putchar(c); } putchar('"'); return(ret); } /* * Print out a counted filename (or other ascii string). * If ep is NULL, assume no truncation check is needed. * Return true if truncated. */ int fn_printn(register const u_char *s, register u_int n, register const u_char *ep) { register int ret; register u_char c; ret = 1; /* assume truncated */ putchar('"'); while (ep == NULL || s < ep) { if (n-- <= 0) { ret = 0; break; } c = *s++; if (!isascii(c)) { c = toascii(c); putchar('M'); putchar('-'); } if (!isprint(c)) { c ^= 0x40; /* DEL to ?, others to alpha */ putchar('^'); } putchar(c); } putchar('"'); return(ret); } /* * Print the timestamp */ void ts_print(register const struct timeval *tvp) { register int s; extern int32 thiszone; if (tflag > 0) { /* Default */ s = (tvp->tv_sec + thiszone) % 86400; (void)printf("%02d:%02d:%02d.%06d ", s / 3600, (s % 3600) / 60, s % 60, tvp->tv_usec); } else if (tflag < 0) { /* Unix timeval style */ (void)printf("%d.%06d ", tvp->tv_sec, tvp->tv_usec); } } /* * Convert a token value to a string; use "fmt" if not found. */ const char * tok2str(register const struct token *lp, register const char *fmt, register int v) { static char buf[128]; while (lp->s != NULL) { if (lp->v == v) return (lp->s); ++lp; } if (fmt == NULL) fmt = "#%d"; (void)sprintf(buf, fmt, v); return (buf); } /* A replacement for strdup() that cuts down on malloc() overhead */ char * savestr(register const char *str) { register u_int size; register char *p; static char *strptr = NULL; static u_int strsize = 0; size = strlen(str) + 1; if (size > strsize) { strsize = 1024; if (strsize < size) strsize = size; strptr = malloc(strsize); if (strptr == NULL) error("savestr: malloc"); } (void)strcpy(strptr, str); p = strptr; strptr += size; strsize -= size; return (p); } #ifdef NOVFPRINTF /* * Stock 4.3 doesn't have vfprintf. * This routine is due to Chris Torek. */ vfprintf(f, fmt, args) FILE *f; char *fmt; va_list args; { int ret; if ((f->_flag & _IOWRT) == 0) { if (f->_flag & _IORW) f->_flag |= _IOWRT; else return EOF; } ret = _doprnt(fmt, args, f); return ferror(f) ? EOF : ret; } #endif /* VARARGS */ __dead void #if __STDC__ || defined(SOLARIS) error(char *fmt, ...) #else error(fmt, va_alist) char *fmt; va_dcl #endif { va_list ap; (void)fprintf(stderr, "%s: ", program_name); #if __STDC__ va_start(ap, fmt); #else va_start(ap); #endif (void)vfprintf(stderr, fmt, ap); va_end(ap); if (*fmt) { fmt += strlen(fmt); if (fmt[-1] != '\n') (void)fputc('\n', stderr); } exit(1); /* NOTREACHED */ } /* VARARGS */ void #if __STDC__ || defined(SOLARIS) warning(char *fmt, ...) #else warning(fmt, va_alist) char *fmt; va_dcl #endif { va_list ap; (void)fprintf(stderr, "%s: warning: ", program_name); #if __STDC__ va_start(ap, fmt); #else va_start(ap); #endif (void)vfprintf(stderr, fmt, ap); va_end(ap); if (*fmt) { fmt += strlen(fmt); if (fmt[-1] != '\n') (void)fputc('\n', stderr); } } /* * Copy arg vector into a new buffer, concatenating arguments with spaces. */ char * copy_argv(register char **argv) { register char **p; register int len = 0; char *buf; char *src, *dst; p = argv; if (*p == 0) return 0; while (*p) len += strlen(*p++) + 1; buf = malloc(len); p = argv; dst = buf; while ((src = *p++) != NULL) { while ((*dst++ = *src++) != '\0') ; dst[-1] = ' '; } dst[-1] = '\0'; return buf; } char * read_infile(char *fname) { struct stat buf; int fd; char *p; fd = open(fname, O_RDONLY); if (fd < 0) error("can't open '%s'", fname); if (fstat(fd, &buf) < 0) error("can't state '%s'", fname); p = malloc((u_int)buf.st_size); if (read(fd, p, (int)buf.st_size) != buf.st_size) error("problem reading '%s'", fname); return p; } int gmt2local() { #ifndef SOLARIS struct timeval now; struct timezone tz; long t; if (gettimeofday(&now, &tz) < 0) error("gettimeofday"); t = tz.tz_minuteswest * -60; if (localtime((time_t *)&now.tv_sec)->tm_isdst) t += 3600; return (t); #else tzset(); return (-altzone); #endif }