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*45404Sbostic static char sccsid[] = "@(#)misc.c 5.3 (Berkeley) 10/22/90"; 1341367Sbostic #endif /* not lint */ 1441367Sbostic 1541367Sbostic #include <sys/types.h> 1641367Sbostic #include <sys/stat.h> 1741367Sbostic #include <stdio.h> 1841367Sbostic #include "find.h" 1941367Sbostic 2041367Sbostic /* 2141367Sbostic * find_subst -- 2241367Sbostic * Replace occurrences of {} in s1 with s2 and return the result string. 2341367Sbostic */ 2441367Sbostic find_subst(orig, store, path, len) 2541367Sbostic char *orig, **store, *path; 2641367Sbostic int len; 2741367Sbostic { 2841367Sbostic register int plen; 2941367Sbostic register char ch, *p; 3041778Sbostic char *realloc(), *strerror(); 3141367Sbostic 3241367Sbostic plen = strlen(path); 3341367Sbostic for (p = *store; ch = *orig; ++orig) 3441367Sbostic if (ch == '{' && orig[1] == '}') { 3541367Sbostic while ((p - *store) + plen > len) 3641367Sbostic if (!(*store = realloc(*store, len *= 2))) { 3741367Sbostic (void)fprintf(stderr, 3841367Sbostic "find: %s.\n", strerror(errno)); 3941367Sbostic exit(1); 4041367Sbostic } 4141367Sbostic bcopy(path, p, plen); 4241367Sbostic p += plen; 4341367Sbostic ++orig; 4441367Sbostic } else 4541367Sbostic *p++ = ch; 4641367Sbostic *p = '\0'; 4741367Sbostic } 4841367Sbostic 4941367Sbostic /* 5041367Sbostic * find_queryuser -- 5141367Sbostic * print a message to standard error and then read input from standard 5241367Sbostic * input. If the input is 'y' then 1 is returned. 5341367Sbostic */ 5441367Sbostic find_queryuser(argv) 5541367Sbostic register char **argv; 5641367Sbostic { 5741367Sbostic char buf[10]; 5841367Sbostic 5941367Sbostic (void)fprintf(stderr, "\"%s", *argv); 6041367Sbostic while (*++argv) 6141367Sbostic (void)fprintf(stderr, " %s", *argv); 6241367Sbostic (void)fprintf(stderr, "\"? "); 6341367Sbostic (void)fflush(stderr); 6441367Sbostic return(!fgets(buf, sizeof(buf), stdin) || buf[0] != 'y' ? 0 : 1); 6541367Sbostic } 6641367Sbostic 6741367Sbostic /* 6841367Sbostic * bad_arg -- 6941367Sbostic * print out a bad argument message. 7041367Sbostic */ 7141367Sbostic void 7241367Sbostic bad_arg(option, error) 7341367Sbostic char *option, *error; 7441367Sbostic { 7541367Sbostic (void)fprintf(stderr, "find: %s: %s.\n", option, error); 7641367Sbostic exit(1); 7741367Sbostic } 7841367Sbostic 7941367Sbostic /* 8041367Sbostic * emalloc -- 8141367Sbostic * malloc with error checking. 8241367Sbostic */ 8341367Sbostic char * 8441367Sbostic emalloc(len) 8541367Sbostic u_int len; 8641367Sbostic { 8741778Sbostic char *p, *malloc(), *strerror(); 8841367Sbostic 8941367Sbostic if (!(p = malloc(len))) { 9041367Sbostic (void)fprintf(stderr, "find: %s.\n", strerror(errno)); 9141367Sbostic exit(1); 9241367Sbostic } 9341367Sbostic return(p); 9441367Sbostic } 9541367Sbostic 9641367Sbostic usage() 9741367Sbostic { 9841778Sbostic extern int deprecated; 9941778Sbostic 10041778Sbostic if (deprecated) 10141778Sbostic (void)fprintf(stderr, "usage: find path-list expression\n"); 10241778Sbostic else 10341778Sbostic (void)fprintf(stderr, 104*45404Sbostic "usage: find [-drsx] -f path ... expression\n"); 10541367Sbostic exit(1); 10641367Sbostic } 107