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authorLaurent Bercot <ska-skaware@skarnet.org>2022-08-20 09:20:56 +0000
committerLaurent Bercot <ska@appnovation.com>2022-08-20 09:20:56 +0000
commit28f5b4e7a5cce43198269f26583e66a232a976b5 (patch)
treea9fb8a49920db08193aa7ad2d88d533b8e1ea141 /src/libs6
parent632acb58b77d08a384ada611b5ab1ebca96ff85d (diff)
downloads6-28f5b4e7a5cce43198269f26583e66a232a976b5.tar.xz
Factor s6_auto_write_logrun into a new libs6auto
libs6auto distinct from libs6 because of execline dep. Signed-off-by: Laurent Bercot <ska@appnovation.com>
Diffstat (limited to 'src/libs6')
-rw-r--r--src/libs6/deps-lib/s6auto1
-rw-r--r--src/libs6/s6_auto_write_logrun.c62
2 files changed, 63 insertions, 0 deletions
diff --git a/src/libs6/deps-lib/s6auto b/src/libs6/deps-lib/s6auto
new file mode 100644
index 0000000..a9fc8c9
--- /dev/null
+++ b/src/libs6/deps-lib/s6auto
@@ -0,0 +1 @@
+s6_auto_write_logrun.o
diff --git a/src/libs6/s6_auto_write_logrun.c b/src/libs6/s6_auto_write_logrun.c
new file mode 100644
index 0000000..f5c4baf
--- /dev/null
+++ b/src/libs6/s6_auto_write_logrun.c
@@ -0,0 +1,62 @@
+/* ISC license. */
+
+#include <string.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/uint64.h>
+#include <skalibs/types.h>
+#include <skalibs/buffer.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/skamisc.h>
+
+#include <execline/config.h>
+
+#include <s6/config.h>
+#include <s6/auto.h>
+
+int s6_auto_write_logrun (char const *runfile, char const *loguser, char const *logdir, unsigned int stamptype, unsigned int nfiles, uint64_t filesize, uint64_t maxsize, stralloc *sa)
+{
+ buffer b ;
+ char buf[1024] ;
+ char fmt[UINT64_FMT] ;
+ int fd = open_trunc(runfile) ;
+ if (fd < 0) return 0 ;
+ buffer_init(&b, &buffer_write, fd, buf, 1024) ;
+ if (buffer_puts(&b, "#!" EXECLINE_SHEBANGPREFIX "execlineb -P\n") < 0) goto err ;
+ if (loguser)
+ {
+ if (buffer_puts(&b, S6_EXTBINPREFIX "s6-setuidgid ") < 0
+ || !string_quote(sa, loguser, strlen(loguser))
+ || buffer_put(&b, sa->s, sa->len) < 0
+ || buffer_put(&b, "\n", 1) < 0) goto err ;
+ sa->len = 0 ;
+ }
+ if (buffer_puts(&b, S6_EXTBINPREFIX "s6-log -bd3 -- ") < 0
+ || (stamptype & 1 && buffer_put(&b, "t ", 2) < 0)
+ || (stamptype & 2 && buffer_put(&b, "T ", 2) < 0)
+ || buffer_put(&b, "n", 1) < 0
+ || buffer_put(&b, fmt, uint_fmt(fmt, nfiles)) < 0
+ || buffer_put(&b, " s", 2) < 0
+ || buffer_put(&b, fmt, uint64_fmt(fmt, filesize)) < 0
+ || buffer_put(&b, " ", 1) < 0) goto err ;
+ if (maxsize)
+ {
+ if (buffer_put(&b, "S", 1) < 0
+ || buffer_put(&b, fmt, uint64_fmt(fmt, maxsize)) < 0
+ || buffer_put(&b, " ", 1) < 0) goto err ;
+ }
+ if (!string_quote(sa, logdir, strlen(logdir))
+ || buffer_put(&b, sa->s, sa->len) < 0
+ || buffer_put(&b, "\n", 1) < 0) goto err ;
+ sa->len = 0 ;
+
+ if (!buffer_flush(&b)) goto err ;
+ fd_close(fd) ;
+ return 1 ;
+
+ err:
+ fd_close(fd) ;
+ unlink_void(runfile) ;
+ return 0 ;
+}