Add strbuf_read_file().

diff --git a/strbuf.c b/strbuf.c
index d5e92ee17257ea3a3ff53580b0df011d4994240a..d1e338bfb695322cf2c90fa39bc8d482a3ade297 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
@@ -177,3 +177,18 @@ int strbuf_getline(struct strbuf *sb, FILE *fp, int term)
        sb->buf[sb->len] = '\0';
        return 0;
 }
+
+int strbuf_read_file(struct strbuf *sb, const char *path)
+{
+       int fd, len;
+
+       fd = open(path, O_RDONLY);
+       if (fd < 0)
+               return -1;
+       len = strbuf_read(sb, fd, 0);
+       close(fd);
+       if (len < 0)
+               return -1;
+
+       return len;
+}