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-rw-r--r--lib/libalpm/util.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index 806f601c..7de5b069 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -673,4 +673,33 @@ int _alpm_test_md5sum(const char *filepath, const char *md5sum)
return(ret);
}
+char *_alpm_archive_fgets(char *line, size_t size, struct archive *a)
+{
+ /* for now, just read one char at a time until we get to a
+ * '\n' char. we can optimize this later with an internal
+ * buffer. */
+ /* leave room for zero terminator */
+ char *last = line + size - 1;
+ char *i;
+
+ for(i = line; i < last; i++) {
+ int ret = archive_read_data(a, i, 1);
+ /* special check for first read- if null, return null,
+ * this indicates EOF */
+ if(i == line && (ret <= 0 || *i == '\0')) {
+ return(NULL);
+ }
+ /* check if read value was null or newline */
+ if(ret <= 0 || *i == '\0' || *i == '\n') {
+ last = i + 1;
+ break;
+ }
+ }
+
+ /* always null terminate the buffer */
+ *last = '\0';
+
+ return(line);
+}
+
/* vim: set ts=2 sw=2 noet: */