docs: install README files into /var/log and 7etc/rc.d/init.d

[elogind.git] / src / journal / journal-send.c

diff --git a/src/journal/journal-send.c b/src/journal/journal-send.c
index d0f3b725ff5ee9a3a1d97e0fc5fe33f4a7fc11f8..8589d94479456d055a293f8ba2f40aec041ba625 100644 (file)
--- a/src/journal/journal-send.c
+++ b/src/journal/journal-send.c
@@ -25,6 +25,7 @@
 #include <stddef.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <printf.h>
 
 #define SD_JOURNAL_SUPPRESS_LOCATION
 
@@ -121,6 +122,7 @@ static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct
         while (format) {
                 struct iovec *c;
                 char *buffer;
+                va_list aq;
 
                 if (i >= n) {
                         n = MAX(i*2, 4);
@@ -133,10 +135,15 @@ static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct
                         iov = c;
                 }
 
-                if (vasprintf(&buffer, format, ap) < 0) {
+                va_copy(aq, ap);
+                if (vasprintf(&buffer, format, aq) < 0) {
+                        va_end(aq);
                         r = -ENOMEM;
                         goto fail;
                 }
+                va_end(aq);
+
+                VA_FORMAT_ADVANCE(format, ap);
 
                 IOVEC_SET_STRING(iov[i++], buffer);
 
@@ -439,7 +446,7 @@ _public_ int sd_journal_stream_fd(const char *identifier, int priority, int leve
 
         memcpy(header, identifier, l);
         header[l++] = '\n';
-        header[l++] = '\n';
+        header[l++] = '\n'; /* unit id */
         header[l++] = '0' + priority;
         header[l++] = '\n';
         header[l++] = '0' + !!level_prefix;
@@ -498,10 +505,10 @@ _public_ int sd_journal_printv_with_location(int priority, const char *file, con
         /* func is initialized from __func__ which is not a macro, but
          * a static const char[], hence cannot easily be prefixed with
          * CODE_FUNC=, hence let's do it manually here. */
-        fl = strlen(func);
+        fl = strlen(func) + 1;
         f = alloca(fl + 10);
         memcpy(f, "CODE_FUNC=", 10);
-        memcpy(f + 10, func, fl + 1);
+        memcpy(f + 10, func, fl);
 
         zero(iov);
         IOVEC_SET_STRING(iov[0], buffer);
@@ -529,10 +536,10 @@ _public_ int sd_journal_send_with_location(const char *file, const char *line, c
                 goto finish;
         }
 
-        fl = strlen(func);
+        fl = strlen(func) + 1;
         f = alloca(fl + 10);
         memcpy(f, "CODE_FUNC=", 10);
-        memcpy(f + 10, func, fl + 1);
+        memcpy(f + 10, func, fl);
 
         IOVEC_SET_STRING(iov[0], file);
         IOVEC_SET_STRING(iov[1], line);
@@ -567,10 +574,10 @@ _public_ int sd_journal_sendv_with_location(
         niov = alloca(sizeof(struct iovec) * (n + 3));
         memcpy(niov, iov, sizeof(struct iovec) * n);
 
-        fl = strlen(func);
+        fl = strlen(func) + 1;
         f = alloca(fl + 10);
         memcpy(f, "CODE_FUNC=", 10);
-        memcpy(f + 10, func, fl + 1);
+        memcpy(f + 10, func, fl);
 
         IOVEC_SET_STRING(niov[n++], file);
         IOVEC_SET_STRING(niov[n++], line);
@@ -588,10 +595,10 @@ _public_ int sd_journal_perror_with_location(
         size_t fl;
         char *f;
 
-        fl = strlen(func);
+        fl = strlen(func) + 1;
         f = alloca(fl + 10);
         memcpy(f, "CODE_FUNC=", 10);
-        memcpy(f + 10, func, fl + 1);
+        memcpy(f + 10, func, fl);
 
         IOVEC_SET_STRING(iov[0], file);
         IOVEC_SET_STRING(iov[1], line);