From c7b56ca556f4ffd3e6fe941356c6abc4d16967d4 Mon Sep 17 00:00:00 2001 From: Lukas Fleischer Date: Tue, 2 Aug 2011 21:10:31 +0200 Subject: Add a copy file routine Add io_file_cp() which can be used to copy an existing source file to another location. We will need this for our new hash-based note file names. Signed-off-by: Lukas Fleischer --- src/io.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'src/io.c') diff --git a/src/io.c b/src/io.c index ddd584b..b461b2b 100644 --- a/src/io.c +++ b/src/io.c @@ -3050,3 +3050,36 @@ io_file_is_empty (char *file) return -1; } + +/* + * Copy an existing file to a new location. + */ +int +io_file_cp (const char *src, const char *dst) +{ + FILE *fp_src, *fp_dst; + char *buffer[BUFSIZ]; + unsigned int bytes_read; + + if (!(fp_src = fopen (src, "rb"))) + return 0; + if (!(fp_dst = fopen (dst, "wb"))) + return 0; + + while (!feof (fp_src)) + { + bytes_read = fread (buffer, 1, BUFSIZ, fp_src); + if (bytes_read > 0) + { + if (fwrite (buffer, 1, bytes_read, fp_dst) != bytes_read) + return 0; + } + else + return 0; + } + + fclose (fp_dst); + fclose (fp_src); + + return 1; +} -- cgit v1.2.3-54-g00ecf