From 6e99aa00d23a68650fdd4fae01aab812dcfe10eb Mon Sep 17 00:00:00 2001 From: Thorsten Kukuk Date: Wed, 22 Sep 2004 09:37:46 +0000 Subject: Relevant BUGIDs: Purpose of commit: Commit summary: --------------- bugfix: Add rest of Steve Grubb's resource leak and other fixes --- modules/pammodutil/modutil_ioloop.c | 50 +++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 modules/pammodutil/modutil_ioloop.c (limited to 'modules/pammodutil/modutil_ioloop.c') diff --git a/modules/pammodutil/modutil_ioloop.c b/modules/pammodutil/modutil_ioloop.c new file mode 100644 index 00000000..4176b658 --- /dev/null +++ b/modules/pammodutil/modutil_ioloop.c @@ -0,0 +1,50 @@ +/* + * $Id$ + * + * These functions provides common methods for ensure a complete read or + * write occurs. It handles EINTR and partial read/write returns. + */ + +#include +#include + +int _pammodutil_read(int fd, char *buffer, int count) +{ + int block, offset = 0; + + while (count > 0) { + block = read(fd, &buffer[offset], count); + + if (block < 0) { + if (errno == EINTR) continue; + return block; + } + if (block == 0) return offset; + + offset += block; + count -= block; + } + + return offset; +} + +int _pammodutil_write(int fd, const char *buffer, int count) +{ + int block, offset = 0; + + while (count > 0) { + block = write(fd, &buffer[offset], count); + + if (block < 0) { + if (errno == EINTR) continue; + return block; + } + if (block == 0) return offset; + + offset += block; + count -= block; + } + + return offset; +} + -- cgit v1.2.3