Use new log_format_has() function instead of strstr().

[rsync/rsync.git] / log.c

diff --git a/log.c b/log.c
index 148d6b1..c8a433d 100644 (file)
--- a/log.c
+++ b/log.c
@@ -364,13 +364,15 @@ static void log_formatted(enum logcode code, char *format, char *op,
         * rather keep going until we reach the nul of the format. */
        total = strlcpy(buf, format, sizeof buf);
        
-       for (p = buf; (p = strchr(p, '%')) != NULL && p[1]; ) {
+       for (p = buf; (p = strchr(p, '%')) != NULL; ) {
                s = p++;
                n = fmt + 1;
                if (*p == '-')
                        *n++ = *p++;
-               while (isdigit(*(uchar*)p) && n - fmt < 16)
+               while (isdigit(*(uchar*)p) && n - fmt < (int)(sizeof fmt) - 8)
                        *n++ = *p++;
+               if (!*p)
+                       break;
                *n = '\0';
                n = NULL;
 
@@ -397,7 +399,10 @@ static void log_formatted(enum logcode code, char *format, char *op,
                                         file->dir.root, n);
                                /* The buffer from safe_fname() has more
                                 * room than MAXPATHLEN, so this is safe. */
-                               strcpy(n, buf2);
+                               if (fmt[1])
+                                       strcpy(n, buf2);
+                               else
+                                       n = buf2;
                        }
                        clean_fname(n, 0);
                        if (*n == '/')
@@ -456,7 +461,7 @@ static void log_formatted(enum logcode code, char *format, char *op,
                                n = "*deleting";
                                break;
                        }
-                       n = buf2;
+                       n = buf2 + MAXPATHLEN - 32;
                        n[0] = iflags & ITEM_LOCAL_CHANGE
                              ? iflags & ITEM_XNAME_FOLLOWS ? 'h' : 'c'
                             : !(iflags & ITEM_TRANSFER) ? '.'
@@ -494,9 +499,6 @@ static void log_formatted(enum logcode code, char *format, char *op,
                        break;
                }
 
-               /* Subtract the length of the escape from the string's size. */
-               total -= p - s;
-
                /* "n" is the string to be inserted in place of this % code. */
                if (!n)
                        continue;
@@ -507,6 +509,9 @@ static void log_formatted(enum logcode code, char *format, char *op,
                }
                len = strlen(n);
 
+               /* Subtract the length of the escape from the string's size. */
+               total -= p - s;
+
                if (len + total >= sizeof buf) {
                        rprintf(FERROR,
                                "buffer overflow expanding %%%c -- exiting\n",
@@ -530,6 +535,26 @@ static void log_formatted(enum logcode code, char *format, char *op,
        rprintf(code, "%s\n", buf);
 }
 
+int log_format_has(const char *format, char esc)
+{
+       const char *p;
+
+       if (!format)
+               return 0;
+
+       for (p = format; (p = strchr(p, '%')) != NULL; ) {
+               if (*++p == '-')
+                       p++;
+               while (isdigit(*(uchar*)p))
+                       p++;
+               if (!*p)
+                       break;
+               if (*p == esc)
+                       return 1;
+       }
+       return 0;
+}
+
 /* log the transfer of a file */
 void log_item(struct file_struct *file, struct stats *initial_stats,
              int iflags, char *hlink)