Update wimlib.h documentation

[wimlib] / src / wim.c

diff --git a/src/wim.c b/src/wim.c
index 9dd9718d9500e03f574e175d33dd1b488ae12184..500fc1ebc08f7407028be9041fb9f2defe7fbbe2 100644 (file)
--- a/src/wim.c
+++ b/src/wim.c
@@ -276,15 +276,15 @@ WIMLIBAPI int wimlib_resolve_image(WIMStruct *w, const char *image_name_or_num)
        int image;
        int i;
 
-       if (!image_name_or_num)
+       if (!image_name_or_num || !*image_name_or_num)
                return WIMLIB_NO_IMAGE;
 
        if (strcmp(image_name_or_num, "all") == 0
            || strcmp(image_name_or_num, "*") == 0)
                return WIMLIB_ALL_IMAGES;
        image = strtol(image_name_or_num, &p, 10);
-       if (p != image_name_or_num && *p == '\0') {
-               if (image < 1 || image > w->hdr.image_count)
+       if (p != image_name_or_num && *p == '\0' && image > 0) {
+               if (image > w->hdr.image_count)
                        return WIMLIB_NO_IMAGE;
                return image;
        } else {