X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=kseq.h;fp=kseq.h;h=bbe012552ff3b2ac047ddd10655e80827bbb4008;hb=8cc87acf088966330e253d44e67791696d74f35b;hp=e99a8abb2abf7c70ae83d4d3162d994fdbbdec30;hpb=3c65ee9af86aeb40302ce89eaa1d0516af2c4091;p=samtools.git

diff --git a/kseq.h b/kseq.h
index e99a8ab..bbe0125 100644
--- a/kseq.h
+++ b/kseq.h
@@ -128,6 +128,10 @@ typedef struct __kstring_t {
 				break;													\
 			}															\
 		}																\
+		if (str->l == 0) {												\
+			str->m = 1;													\
+			str->s = (char*)calloc(1, 1);								\
+		}																\
 		str->s[str->l] = '\0';											\
 		return str->l;													\
 	}