1 static char *sccsid = "@(#)checkeq.c 4.2 (Berkeley) 04/29/83"; 2 #include <stdio.h> 3 FILE *fin; 4 int delim = '$'; 5 6 main(argc, argv) char **argv; { 7 8 if (argc <= 1) 9 check(stdin); 10 else 11 while (--argc > 0) { 12 if ((fin = fopen(*++argv, "r")) == NULL) { 13 perror(*argv); 14 exit(1); 15 } 16 printf("%s:\n", *argv); 17 check(fin); 18 fclose(fin); 19 } 20 } 21 22 check(f) 23 FILE *f; 24 { 25 int start, line, eq, ndel, totdel; 26 char in[600], *p; 27 28 start = eq = line = ndel = totdel = 0; 29 while (fgets(in, 600, f) != NULL) { 30 line++; 31 ndel = 0; 32 for (p = in; *p; p++) 33 if (*p == delim) 34 ndel++; 35 if (*in=='.' && *(in+1)=='E' && *(in+2)=='Q') { 36 if (eq++) 37 printf(" Spurious EQ, line %d\n", line); 38 if (totdel) 39 printf(" EQ in %c%c, line %d\n", delim, delim, line); 40 } else if (*in=='.' && *(in+1)=='E' && *(in+2)=='N') { 41 if (eq==0) 42 printf(" Spurious EN, line %d\n", line); 43 else 44 eq = 0; 45 if (totdel > 0) 46 printf(" EN in %c%c, line %d\n", delim, delim, line); 47 start = 0; 48 } else if (eq && *in=='d' && *(in+1)=='e' && *(in+2)=='l' && *(in+3)=='i' && *(in+4)=='m') { 49 for (p=in+5; *p; p++) 50 if (*p != ' ') { 51 if (*p == 'o' && *(p+1) == 'f') 52 delim = 0; 53 else 54 delim = *p; 55 break; 56 } 57 if (delim == 0) 58 printf(" Delim off, line %d\n", line); 59 else 60 printf(" New delims %c%c, line %d\n", delim, delim, line); 61 } 62 if (ndel > 0 && eq > 0) 63 printf(" %c%c in EQ, line %d\n", delim, delim, line); 64 if (ndel == 0) 65 continue; 66 totdel += ndel; 67 if (totdel%2) { 68 if (start == 0) 69 start = line; 70 else { 71 printf(" %d line %c%c, lines %d-%d\n", line-start+1, delim, delim, start, line); 72 start = line; 73 } 74 } else { 75 if (start > 0) { 76 printf(" %d line %c%c, lines %d-%d\n", line-start+1, delim, delim, start, line); 77 start = 0; 78 } 79 totdel = 0; 80 } 81 } 82 if (totdel) 83 printf(" Unfinished %c%c\n", delim, delim); 84 if (eq) 85 printf(" Unfinished EQ\n"); 86 } 87