1 /*- 2 * Copyright (c) 1992 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)fmt.c 5.1 (Berkeley) 04/03/92"; 10 #endif /* not lint */ 11 12 #include <ctype.h> 13 #include <stdio.h> 14 #include <stdlib.h> 15 #include <string.h> 16 17 /* 18 * XXX 19 * This is a stub until marc does the real one. 20 */ 21 static char * 22 shquote(argv) 23 register char **argv; 24 { 25 register char **p, *dst, *src; 26 static char buf[1024]; /* XXX */ 27 28 if (*argv == 0) { 29 buf[0] = 0; 30 return (buf); 31 } 32 dst = buf; 33 for (p = argv; (src = *p++) != 0; ) { 34 if (*src == 0) 35 continue; 36 while ((*dst++ = *src++) != 0) 37 continue; 38 dst[-1] = ' '; 39 } 40 dst[-1] = 0; 41 return (buf); 42 } 43 44 static char * 45 cmdpart(arg0) 46 char *arg0; 47 { 48 register char *cp; 49 50 return ((cp = rindex(arg0, '/')) != NULL ? cp + 1 : arg0); 51 } 52 53 char * 54 fmt_argv(argv, cmd, maxlen) 55 register char **argv; 56 register char *cmd; 57 int maxlen; 58 { 59 register int len; 60 register char *ap, *cp, *arg0; 61 62 if (argv == 0 || argv[0] == 0) { 63 if (cmd == NULL) 64 return (""); 65 ap = NULL; 66 len = maxlen + 3; 67 } else { 68 ap = shquote(argv); 69 len = strlen(ap) + maxlen + 4; 70 } 71 if ((cp = malloc(len)) == NULL) 72 return (NULL); 73 if (ap == NULL) 74 sprintf(cp, "(%.*s)", maxlen, cmd); 75 else if (strncmp(cmdpart(argv[0]), cmd, maxlen) != 0) 76 sprintf(cp, "%s (%.*s)", ap, maxlen, cmd); 77 else 78 (void) strcpy(cp, ap); 79 return (cp); 80 } 81