builtin-prune: memory diet.

diff --git a/strbuf.c b/strbuf.c
index dac945c7c8ec3ca14791e472fd19a47cc07dcd15..7f14b0fb59bd7e14979b002f441ae84ff5b0e9a2 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
@@ -1,9 +1,8 @@
-#include <stdio.h>
-#include <stdlib.h>
+#include "cache.h"
 #include "strbuf.h"
 
 void strbuf_init(struct strbuf *sb) {
-       sb->buf = 0;
+       sb->buf = NULL;
        sb->eof = sb->alloc = sb->len = 0;
 }
 
@@ -15,7 +14,7 @@ static void strbuf_begin(struct strbuf *sb) {
 static void inline strbuf_add(struct strbuf *sb, int ch) {
        if (sb->alloc <= sb->len) {
                sb->alloc = sb->alloc * 3 / 2 + 16;
-               sb->buf = realloc(sb->buf, sb->alloc);
+               sb->buf = xrealloc(sb->buf, sb->alloc);
        }
        sb->buf[sb->len++] = ch;
 }
@@ -36,7 +35,7 @@ void read_line(struct strbuf *sb, FILE *fp, int term) {
                        break;
                strbuf_add(sb, ch);
        }
-       if (sb->len == 0)
+       if (ch == EOF && sb->len == 0)
                sb->eof = 1;
        strbuf_end(sb);
 }