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-rw-r--r--libbb/read_package_field.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/libbb/read_package_field.c b/libbb/read_package_field.c
index 246285f..3715230 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));
}