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Diffstat (limited to 'usr.bin/cvs/rcsnum.c')
-rw-r--r--usr.bin/cvs/rcsnum.c48
1 files changed, 47 insertions, 1 deletions
diff --git a/usr.bin/cvs/rcsnum.c b/usr.bin/cvs/rcsnum.c
index d8dd97d233a..e529702773c 100644
--- a/usr.bin/cvs/rcsnum.c
+++ b/usr.bin/cvs/rcsnum.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rcsnum.c,v 1.14 2005/07/25 12:13:08 xsa Exp $ */
+/* $OpenBSD: rcsnum.c,v 1.15 2005/08/02 11:48:56 joris Exp $ */
/*
* Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
* All rights reserved.
@@ -31,6 +31,7 @@
#include <stdlib.h>
#include <string.h>
+#include "cvs.h"
#include "log.h"
#include "rcs.h"
@@ -207,6 +208,7 @@ rcsnum_aton(const char *str, char **ep, RCSNUM *nump)
u_int32_t val;
const char *sp;
void *tmp;
+ char *s;
if (nump->rn_id == NULL) {
nump->rn_id = (u_int16_t *)malloc(sizeof(u_int16_t));
@@ -251,6 +253,50 @@ rcsnum_aton(const char *str, char **ep, RCSNUM *nump)
if (ep != NULL)
*(const char **)ep = sp;
+ /*
+ * Handle "magic" RCS branch numbers.
+ *
+ * What are they?
+ *
+ * Magic branch numbers have an extra .0. at the second farmost
+ * rightside of the branch number, so instead of having an odd
+ * number of dot-separated decimals, it will have an even number.
+ *
+ * Now, according to all the documentation i've found on the net
+ * about this, cvs does this for "efficiency reasons", i'd like
+ * to hear one.
+ *
+ * We just make sure we remove the .0. from in the branch number.
+ *
+ * XXX - for compatibility reasons with GNU cvs we _need_
+ * to skip this part for the 'log' command, apparently it does
+ * show the magic branches for an unknown and probably
+ * completely insane and not understandable reason in that output.
+ *
+ */
+ if ((nump->rn_len > 2) && (nump->rn_id[nump->rn_len - 1] == 0)
+ && (cvs_cmdop != CVS_OP_LOG)) {
+ /*
+ * Look for ".0.x" at the end of the branch number.
+ */
+ if ((s = strrchr(str, '.')) != NULL) {
+ *s--;
+ while (*s != '.')
+ *s--;
+
+ /*
+ * If we have a "magic" branch, adjust it
+ * so the .0. is removed.
+ */
+ if (!strncmp(s, RCS_MAGIC_BRANCH,
+ strlen(RCS_MAGIC_BRANCH))) {
+ nump->rn_id[nump->rn_len - 1] =
+ nump->rn_id[nump->rn_len];
+ nump->rn_len--;
+ }
+ }
+ }
+
nump->rn_len++;
return (nump->rn_len);