int main(int argc, char *argv[])
{
FILE *fp;
if (argc == 1) {
errno = 1;
char *str = "chenzongzhi";
perror(str);
fprintf(stderr, "There is only one input %s\n", argv[0]);
filecpy(stdin, stdout);
} else {
fp = fopen(argv[1], "r");
filecpy(fp, stdout);
}
return 0;
}
int main(int argc, char *argv[]) {
FILE *fp;
char* prog = argv[0];
if (argc == 1) {
filecpy(stdin, stdout);
} else {
while (--argc > 0) {
if ((fp = fopen(*++argv, "r")) == NULL) {
fprintf(stderr, "%s: can't open %s\n", prog, *argv);
return 1;
} else {
filecpy(fp, stdout);
fclose(fp);
}
}
}
return 0;
}
/*
* Copy both recno and btree databases into the destination.
* Call in to begin recreating HTML files.
* Return -1 on fatal error and 1 if the update went well.
*/
static int
update(char *dst, char *src)
{
size_t dsz, ssz;
dsz = strlen(dst);
ssz = strlen(src);
xstrlcat(src, "/", MAXPATHLEN);
xstrlcat(dst, "/", MAXPATHLEN);
xstrlcat(src, MANDOC_DB, MAXPATHLEN);
xstrlcat(dst, MANDOC_DB, MAXPATHLEN);
if ( ! filecpy(dst, src))
return(-1);
if (verbose)
printf("%s\n", dst);
dst[(int)dsz] = src[(int)ssz] = '\0';
xstrlcat(src, "/", MAXPATHLEN);
xstrlcat(dst, "/", MAXPATHLEN);
xstrlcat(src, MANDOC_IDX, MAXPATHLEN);
xstrlcat(dst, MANDOC_IDX, MAXPATHLEN);
if ( ! filecpy(dst, src))
return(-1);
if (verbose)
printf("%s\n", dst);
dst[(int)dsz] = src[(int)ssz] = '\0';
return(indexhtml(src, ssz, dst, dsz));
}
/*
* Pass over the recno database and re-create HTML pages if they're
* found to be out of date.
* Returns -1 on fatal error, 1 on success.
*/
static int
indexhtml(char *src, size_t ssz, char *dst, size_t dsz)
{
DB *idx;
DBT key, val;
int c, rc;
unsigned int fl;
const char *f;
char *d;
char fname[MAXPATHLEN];
pid_t pid;
pid = -1;
xstrlcpy(fname, dst, MAXPATHLEN);
xstrlcat(fname, "/", MAXPATHLEN);
xstrlcat(fname, MANDOC_IDX, MAXPATHLEN);
idx = dbopen(fname, O_RDONLY, 0, DB_RECNO, NULL);
if (NULL == idx) {
perror(fname);
return(-1);
}
fl = R_FIRST;
while (0 == (c = (*idx->seq)(idx, &key, &val, fl))) {
fl = R_NEXT;
/*
* If the record is zero-length, then it's unassigned.
* Skip past these.
*/
if (0 == val.size)
continue;
f = (const char *)val.data + 1;
if (NULL == memchr(f, '\0', val.size - 1))
break;
src[(int)ssz] = dst[(int)dsz] = '\0';
xstrlcat(dst, "/", MAXPATHLEN);
xstrlcat(dst, f, MAXPATHLEN);
xstrlcat(src, "/", MAXPATHLEN);
xstrlcat(src, f, MAXPATHLEN);
if (-1 == (rc = isnewer(dst, src))) {
fprintf(stderr, "%s: File missing\n", f);
break;
} else if (0 == rc)
continue;
d = strrchr(dst, '/');
assert(NULL != d);
*d = '\0';
if (-1 == mkpath(dst, 0755, 0755)) {
perror(dst);
break;
}
*d = '/';
if ( ! filecpy(dst, src))
break;
if (verbose)
printf("%s\n", dst);
}
(*idx->close)(idx);
if (c < 0)
perror(fname);
else if (0 == c)
fprintf(stderr, "%s: Corrupt index\n", fname);
return(1 == c ? 1 : -1);
}
