[libvirt PATCH 2/5] util: Introduce virFileFindInPathFull()
Signed-off-by: Andrea Bolognani <abologna(a)redhat.com>
---
src/libvirt_private.syms | 1 +
src/util/virfile.c | 33 +++++++++++++++++++++++++++++++++
src/util/virfile.h | 3 +++
3 files changed, 37 insertions(+)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 62c296bf5f..27b8e111aa 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -2358,6 +2358,7 @@ virFileWrapperFdFree;
virFileWrapperFdNew;
virFileWriteStr;
virFindFileInPath;
+virFindFileInPathFull;
# util/virfilecache.h
diff --git a/src/util/virfile.c b/src/util/virfile.c
index 8e94d19e45..6b4d4c3522 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -1737,6 +1737,25 @@ virFileIsLink(const char *linkpath)
*/
char *
virFindFileInPath(const char *file)
+{
+ return virFindFileInPathFull(file, NULL);
+}
+
+/* virFindFileInPathFull:
+ * @file: name of the program
+ * @extraDirs: NULL-terminated list of additional directories
+ *
+ * Like virFindFileInPath(), but in addition to searching $PATH also
+ * looks into all directories listed in @extraDirs. This is useful to
+ * locate helpers that are installed outside of $PATH.
+ *
+ * The returned path must be freed by the caller.
+ *
+ * Returns: absolute path of the program or NULL
+ */
+char *
+virFindFileInPathFull(const char *file,
+ const char *const *extraDirs)
{
g_autofree char *path = NULL;
if (file == NULL)
@@ -1751,6 +1770,20 @@ virFindFileInPath(const char *file)
return g_canonicalize_filename(path, NULL);
}
+ if (extraDirs) {
+ while (*extraDirs) {
+ g_autofree char *extraPath = NULL;
+
+ extraPath = g_strdup_printf("%s/%s", *extraDirs, file);
+
+ if (virFileIsExecutable(extraPath)) {
+ return g_steal_pointer(&extraPath);
+ }
+
+ extraDirs++;
+ }
+ }
+
return NULL;
}
diff --git a/src/util/virfile.h b/src/util/virfile.h
index f7a31d9f57..6a14173625 100644
--- a/src/util/virfile.h
+++ b/src/util/virfile.h
@@ -189,6 +189,9 @@ int virFileIsLink(const char *linkpath)
char *virFindFileInPath(const char *file)
G_NO_INLINE;
+char *virFindFileInPathFull(const char *file,
+ const char *const *extraDirs)
+ G_NO_INLINE;
char *virFileFindResource(const char *filename,
const char *builddir,
--
2.40.1