Fix bug where it wasnt returning the last line of a multiline field

1 files changed, 10 insertions, 13 deletions

diff --git a/libbb/read_package_field.c b/libbb/read_package_field.c
index 246285f8e..3715230fe 100644
--- a/libbb/read_package_field.c
+++ b/libbb/read_package_field.c
@@ -7,24 +7,21 @@
  */
 extern char *read_package_field(const char *package_buffer)
 {
-        char *field = NULL;
         int field_length = 0;   
         int buffer_length = 0;
 
+        if (package_buffer == NULL) {
+                return(NULL);
+        }
         buffer_length = strlen(package_buffer);
-
-        while ((field = strchr(&package_buffer[field_length], '\n')) != NULL) {
-                field_length = buffer_length - strlen(field);
+        field_length = strcspn(package_buffer, "\n");
+        while (field_length < buffer_length) {
                 if (package_buffer[field_length + 1] != ' ') {
-                        break;
-                } else {
-                        field_length++;
-                }               
-        }
-        if (field_length == 0) {
-                return(NULL);
-        } else {
-                return(xstrndup(package_buffer, field_length));
+                        return(xstrndup(package_buffer, field_length));
+                }
+                field_length++;
+                field_length += strcspn(&package_buffer[field_length], "\n");
         }
+        return(xstrdup(package_buffer));
 }