X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=client%2Ffhistory.c;h=03081e5cf209e8a0a834b59867ee636d4cb079b6;hp=0094fd09c126b3c9a54e7bd1642d53248852d90e;hb=f3fa080453f6e57618216f6e58d871fb06f0d1b6;hpb=fe507b6b15788a3a8e58063d9dae52532a5229a5 diff --git a/client/fhistory.c b/client/fhistory.c index 0094fd0..03081e5 100644 --- a/client/fhistory.c +++ b/client/fhistory.c @@ -1,18 +1,19 @@ -/* - * Copyright (C) 1995-2007, Index Data ApS +/* This file is part of the YAZ toolkit. + * Copyright (C) Index Data * See the file LICENSE for details. - * - * $Id: fhistory.c,v 1.4 2007-05-06 20:12:19 adam Exp $ */ /** \file fhistory.c * \brief file history implementation */ +#if HAVE_CONFIG_H +#include +#endif #include +#include #include #include #include -#include #if HAVE_SYS_TYPES_H #include #endif @@ -69,13 +70,15 @@ int file_history_load(file_history_t fh) return ret; } +#define FILE_SAVE_HISTORY_MAX 16384 + int file_history_save(file_history_t fh) { FILE *f; char* homedir = getenv("HOME"); char fname[1024]; int ret = 0; - int sz = wrbuf_len(fh->wr); + size_t sz = wrbuf_len(fh->wr); if (!sz) return 0; @@ -89,7 +92,21 @@ int file_history_save(file_history_t fh) } else { - size_t w = fwrite(wrbuf_buf(fh->wr), 1, sz, f); + size_t w; + const char *start = wrbuf_buf(fh->wr); + if (sz > FILE_SAVE_HISTORY_MAX) + { + const char *nl = strchr( + wrbuf_buf(fh->wr) + sz - FILE_SAVE_HISTORY_MAX, + '\n'); + if (nl) + { + nl++; + sz = sz - (nl - start); + start = nl; + } + } + w = fwrite(start, 1, sz, f); if (w != sz) ret = -1; if (fclose(f)) @@ -101,11 +118,11 @@ int file_history_save(file_history_t fh) int file_history_trav(file_history_t fh, void *client_data, void (*callback)(void *client_data, const char *line)) { - int off = 0; + size_t off = 0; while (off < wrbuf_len(fh->wr)) { - int i; + size_t i; for (i = off; i < wrbuf_len(fh->wr); i++) { if (wrbuf_buf(fh->wr)[i] == '\n') @@ -125,6 +142,7 @@ int file_history_trav(file_history_t fh, void *client_data, /* * Local variables: * c-basic-offset: 4 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab