chk.nl 1.97 KB
Newer Older
unknown's avatar
unknown committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
#!/bin/sh -
#
# $Id: chk.nl,v 1.6 2002/01/07 15:12:12 bostic Exp $
#
# Check to make sure that there are no trailing newlines in __db_err calls.

d=../..

[ -f $d/README ] || {
	echo "FAIL: chk.nl can't find the source directory."
	exit 1
}

cat << END_OF_CODE > t.c
#include <sys/types.h>

#include <errno.h>
#include <stdio.h>

int chk(FILE *, char *);

int
main(argc, argv)
	int argc;
	char *argv[];
{
	FILE *fp;
	int exitv;

	for (exitv = 0; *++argv != NULL;) {
		if ((fp = fopen(*argv, "r")) == NULL) {
			fprintf(stderr, "%s: %s\n", *argv, strerror(errno));
			return (1);
		}
		if (chk(fp, *argv))
			exitv = 1;
		(void)fclose(fp);
	}
	return (exitv);
}

int
chk(fp, name)
	FILE *fp;
	char *name;
{
	int ch, exitv, line, q;

	exitv = 0;
	for (ch = 'a', line = 1;;) {
		if ((ch = getc(fp)) == EOF)
			return (exitv);
		if (ch == '\n') {
			++line;
			continue;
		}
		if (ch != '_') continue;
		if ((ch = getc(fp)) != '_') continue;
		if ((ch = getc(fp)) != 'd') continue;
		if ((ch = getc(fp)) != 'b') continue;
		if ((ch = getc(fp)) != '_') continue;
		if ((ch = getc(fp)) != 'e') continue;
		if ((ch = getc(fp)) != 'r') continue;
		if ((ch = getc(fp)) != 'r') continue;
		while ((ch = getc(fp)) != '"') {
			if (ch == EOF)
				return (exitv);
			if (ch == '\n')
				++line;
		}
		while ((ch = getc(fp)) != '"')
			switch (ch) {
			case EOF:
				return (exitv);
			case '\\n':
				++line;
				break;
			case '.':
				if ((ch = getc(fp)) != '"')
					ungetc(ch, fp);
				else {
					fprintf(stderr,
				    "%s: <period> at line %d\n", name, line);
					exitv = 1;
				}
				break;
			case '\\\\':
				if ((ch = getc(fp)) != 'n')
					ungetc(ch, fp);
				else if ((ch = getc(fp)) != '"')
					ungetc(ch, fp);
				else {
					fprintf(stderr,
				    "%s: <newline> at line %d\n", name, line);
					exitv = 1;
				}
				break;
			}
	}
	return (exitv);
}
END_OF_CODE

cc t.c -o t
if ./t $d/*/*.[ch] $d/*/*.cpp $d/*/*.in ; then
	:
else
	echo "FAIL: found __db_err calls ending with periods/newlines."
	exit 1
fi

exit 0