141367Sbostic /*- 241367Sbostic * Copyright (c) 1990 The Regents of the University of California. 341367Sbostic * All rights reserved. 441367Sbostic * 541367Sbostic * This code is derived from software contributed to Berkeley by 641367Sbostic * Cimarron D. Taylor of the University of California, Berkeley. 741367Sbostic * 841367Sbostic * %sccs.include.redist.c% 941367Sbostic */ 1041367Sbostic 1141367Sbostic #ifndef lint 12*47189Sbostic static char sccsid[] = "@(#)misc.c 5.6 (Berkeley) 03/09/91"; 1341367Sbostic #endif /* not lint */ 1441367Sbostic 1541367Sbostic #include <sys/types.h> 1641367Sbostic #include <sys/stat.h> 1745610Sbostic #include <sys/errno.h> 1841367Sbostic #include <stdio.h> 1945616Sbostic #include <stdlib.h> 2045616Sbostic #include <string.h> 21*47189Sbostic #include "find.h" 2241367Sbostic 2341367Sbostic /* 2445616Sbostic * brace_subst -- 2541367Sbostic * Replace occurrences of {} in s1 with s2 and return the result string. 2641367Sbostic */ 2745616Sbostic void 2845616Sbostic brace_subst(orig, store, path, len) 2941367Sbostic char *orig, **store, *path; 3041367Sbostic int len; 3141367Sbostic { 3241367Sbostic register int plen; 3341367Sbostic register char ch, *p; 3441367Sbostic 3541367Sbostic plen = strlen(path); 3641367Sbostic for (p = *store; ch = *orig; ++orig) 3741367Sbostic if (ch == '{' && orig[1] == '}') { 3841367Sbostic while ((p - *store) + plen > len) 3941367Sbostic if (!(*store = realloc(*store, len *= 2))) { 4041367Sbostic (void)fprintf(stderr, 4141367Sbostic "find: %s.\n", strerror(errno)); 4241367Sbostic exit(1); 4341367Sbostic } 4441367Sbostic bcopy(path, p, plen); 4541367Sbostic p += plen; 4641367Sbostic ++orig; 4741367Sbostic } else 4841367Sbostic *p++ = ch; 4941367Sbostic *p = '\0'; 5041367Sbostic } 5141367Sbostic 5241367Sbostic /* 5345616Sbostic * queryuser -- 5441367Sbostic * print a message to standard error and then read input from standard 5541367Sbostic * input. If the input is 'y' then 1 is returned. 5641367Sbostic */ 5745616Sbostic queryuser(argv) 5841367Sbostic register char **argv; 5941367Sbostic { 6045616Sbostic int ch, first, nl; 6141367Sbostic 6241367Sbostic (void)fprintf(stderr, "\"%s", *argv); 6341367Sbostic while (*++argv) 6441367Sbostic (void)fprintf(stderr, " %s", *argv); 6541367Sbostic (void)fprintf(stderr, "\"? "); 6641367Sbostic (void)fflush(stderr); 6745616Sbostic 6845616Sbostic first = ch = getchar(); 6945616Sbostic for (nl = 0;;) { 7045616Sbostic if (ch == '\n') { 7145616Sbostic nl = 1; 7245616Sbostic break; 7345616Sbostic } 7445616Sbostic if (ch == EOF) 7545616Sbostic break; 7645616Sbostic ch = getchar(); 7745616Sbostic } 7845616Sbostic 7945616Sbostic if (!nl) { 8045616Sbostic (void)fprintf(stderr, "\n"); 8145616Sbostic (void)fflush(stderr); 8245616Sbostic } 8345616Sbostic return(first == 'y'); 8441367Sbostic } 8541367Sbostic 8641367Sbostic /* 8741367Sbostic * bad_arg -- 8841367Sbostic * print out a bad argument message. 8941367Sbostic */ 9041367Sbostic void 9141367Sbostic bad_arg(option, error) 9241367Sbostic char *option, *error; 9341367Sbostic { 9441367Sbostic (void)fprintf(stderr, "find: %s: %s.\n", option, error); 9541367Sbostic exit(1); 9641367Sbostic } 9741367Sbostic 9841367Sbostic /* 9941367Sbostic * emalloc -- 10041367Sbostic * malloc with error checking. 10141367Sbostic */ 10245616Sbostic void * 10341367Sbostic emalloc(len) 10441367Sbostic u_int len; 10541367Sbostic { 10645616Sbostic void *p; 10741367Sbostic 10841367Sbostic if (!(p = malloc(len))) { 10941367Sbostic (void)fprintf(stderr, "find: %s.\n", strerror(errno)); 11041367Sbostic exit(1); 11141367Sbostic } 11241367Sbostic return(p); 11341367Sbostic } 11441367Sbostic 11541367Sbostic usage() 11641367Sbostic { 11745610Sbostic if (isdeprecated) 11841778Sbostic (void)fprintf(stderr, "usage: find path-list expression\n"); 11941778Sbostic else 12041778Sbostic (void)fprintf(stderr, 12145404Sbostic "usage: find [-drsx] -f path ... expression\n"); 12241367Sbostic exit(1); 12341367Sbostic } 124