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Code Issues Releases Wiki Activity

new function isc_file_test() as framework for determining various attributes

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of a pathname
This commit is contained in:
David Lawrence
2001-05-31 10:53:14 +00:00
parent 719f0c0028
commit 50b7860fff
2 changed files with 88 additions and 2 deletions
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35
lib/isc/unix/file.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: file.c,v 1.33 2001/05/08 19:47:55 gson Exp $ */
/* $Id: file.c,v 1.34 2001/05/31 10:53:14 tale Exp $ */
#include <config.h>
@@ -225,6 +225,36 @@ isc_file_rename(const char *oldname, const char *newname) {
return (isc__errno2result(errno));
}
isc_boolean_t
isc_file_test(const char *pathname, isc_uint32_t what) {
isc_boolean_t tf = ISC_TRUE;
isc_result_t result;
struct stat stats;
INSIST(what != 0);
INSIST((what & ~(ISC_FILE_EXISTS |
ISC_FILE_ABSOLUTE |
ISC_FILE_CURRENTDIR))
== 0);
if ((what & ISC_FILE_EXISTS) != 0) {
/*
* When file type tests are implemented, only one
* file_stats() should be done.
*/
result = file_stats(pathname, &stats);
tf = ISC_TF(tf && result == ISC_R_SUCCESS);
}
if ((what & ISC_FILE_ABSOLUTE) != 0)
tf = ISC_TF(tf && pathname[0] == '/');
if ((what & ISC_FILE_CURRENTDIR) != 0)
tf = ISC_TF(tf && pathname[0] == '.' && pathname[1] == '\0');
return (tf);
}
isc_boolean_t
isc_file_isabsolute(const char *filename) {
return (ISC_TF(filename[0] == '/'));
@@ -242,6 +272,7 @@ isc_file_basename(const char *filename) {
s = strrchr(filename, '/');
if (s == NULL)
return (filename);
return (s + 1);
}
@@ -249,8 +280,10 @@ isc_result_t
isc_file_progname(const char *filename, char *buf, size_t buflen) {
const char *base = isc_file_basename(filename);
size_t len = strlen(base) + 1;
if (len > buflen)
return (ISC_R_NOSPACE);
memcpy(buf, base, len);
return (ISC_R_SUCCESS);
}