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-rw-r--r--mansearch.c68
1 files changed, 33 insertions, 35 deletions
diff --git a/mansearch.c b/mansearch.c
index d444e67d..5c38e71f 100644
--- a/mansearch.c
+++ b/mansearch.c
@@ -163,7 +163,6 @@ mansearch(const struct mansearch *search,
int argc, char *argv[],
struct manpage **res, size_t *sz)
{
- int fd, rc, c, indexbit;
int64_t pageid;
uint64_t outbit, iterbit;
char buf[PATH_MAX];
@@ -177,23 +176,20 @@ mansearch(const struct mansearch *search,
struct ohash htab;
unsigned int idx;
size_t i, j, cur, maxres;
+ int c, chdir_status, getcwd_status, indexbit;
+
+ if (argc == 0 || (e = exprcomp(search, argc, argv)) == NULL) {
+ *sz = 0;
+ return(0);
+ }
info.calloc = hash_calloc;
info.alloc = hash_alloc;
info.free = hash_free;
info.key_offset = offsetof(struct match, pageid);
- *sz = cur = maxres = 0;
- sql = NULL;
+ cur = maxres = 0;
*res = NULL;
- fd = -1;
- e = NULL;
- rc = 0;
-
- if (0 == argc)
- goto out;
- if (NULL == (e = exprcomp(search, argc, argv)))
- goto out;
if (NULL != search->outkey) {
outbit = TYPE_Nd;
@@ -210,19 +206,18 @@ mansearch(const struct mansearch *search,
outbit = 0;
/*
- * Save a descriptor to the current working directory.
- * Since pathnames in the "paths" variable might be relative,
- * and we'll be chdir()ing into them, we need to keep a handle
- * on our current directory from which to start the chdir().
+ * Remember the original working directory, if possible.
+ * This will be needed if the second or a later directory
+ * is given as a relative path.
+ * Do not error out if the current directory is not
+ * searchable: Maybe it won't be needed after all.
*/
- if (NULL == getcwd(buf, PATH_MAX)) {
- perror("getcwd");
- goto out;
- } else if (-1 == (fd = open(buf, O_RDONLY, 0))) {
- perror(buf);
- goto out;
- }
+ if (getcwd(buf, PATH_MAX) == NULL) {
+ getcwd_status = 0;
+ (void)strlcpy(buf, strerror(errno), sizeof(buf));
+ } else
+ getcwd_status = 1;
sql = sql_statement(e);
@@ -234,15 +229,23 @@ mansearch(const struct mansearch *search,
* scan it for our match expression.
*/
+ chdir_status = 0;
for (i = 0; i < paths->sz; i++) {
- if (-1 == fchdir(fd)) {
- perror(buf);
- free(*res);
- break;
- } else if (-1 == chdir(paths->paths[i])) {
+ if (chdir_status && paths->paths[i][0] != '/') {
+ if ( ! getcwd_status) {
+ fprintf(stderr, "%s: getcwd: %s\n",
+ paths->paths[i], buf);
+ continue;
+ } else if (chdir(buf) == -1) {
+ perror(buf);
+ continue;
+ }
+ }
+ if (chdir(paths->paths[i]) == -1) {
perror(paths->paths[i]);
continue;
}
+ chdir_status = 1;
c = sqlite3_open_v2(MANDOC_DB, &db,
SQLITE_OPEN_READONLY, NULL);
@@ -370,17 +373,12 @@ mansearch(const struct mansearch *search,
break;
}
qsort(*res, cur, sizeof(struct manpage), manpage_compare);
- rc = 1;
-out:
- if (-1 != fd) {
- if (-1 == fchdir(fd))
- perror(buf);
- close(fd);
- }
+ if (chdir_status && getcwd_status && chdir(buf) == -1)
+ perror(buf);
exprfree(e);
free(sql);
*sz = cur;
- return(rc);
+ return(1);
}
void