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Diffstat (limited to 'src/libstddjb/openwritenclose5.c')
-rw-r--r--src/libstddjb/openwritenclose5.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/libstddjb/openwritenclose5.c b/src/libstddjb/openwritenclose5.c
new file mode 100644
index 0000000..eef625c
--- /dev/null
+++ b/src/libstddjb/openwritenclose5.c
@@ -0,0 +1,31 @@
+/* ISC license. */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+#define SUFFIX ":skalibs-openwritenclose:XXXXXX"
+
+int openwritenclose5 (char const *fn, char const *s, size_t n, devino *devino, unsigned int options)
+{
+ int fd ;
+ size_t fnlen = strlen(fn) ;
+ char tmp[fnlen + sizeof(SUFFIX)] ;
+ memcpy(tmp, fn, fnlen) ;
+ memcpy(tmp + fnlen, SUFFIX, sizeof(SUFFIX)) ;
+ fd = mkstemp(tmp) ;
+ if (fd < 0) return 0 ;
+ if (!writenclose_unsafe5(fd, s, n, devino, options)) goto failclose ;
+ if (rename(tmp, fn) < 0) goto fail ;
+ return 1 ;
+
+ failclose:
+ fd_close(fd) ;
+ fail:
+ unlink_void(tmp) ;
+ return 0 ;
+}