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-rw-r--r--src/io.c33
1 files changed, 33 insertions, 0 deletions
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;
+}