commit a95e977e41ca13ac2677c455e5270cf4018f5838
author Benjamin Peterson <benjamin@python.org> Fri Oct 29 03:28:14 2010 +0000
committer Benjamin Peterson <benjamin@python.org> Fri Oct 29 03:28:14 2010 +0000
tree 8e8e411caf136db1cbad5ec2f5010930f12f3ebe
parent 47ce965562e5a767a523b9c0ae71bf0603f5bee8

decrement offset when it points to a newline (#10186 followup)

Python/pythonrun.c

diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 1b0a84b..33dd11b 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1344,6 +1344,8 @@
 {
     char *nl;
     if (offset >= 0) {
+        if (offset > 0 && offset == strlen(text) && text[offset - 1] == '\n')
+            offset--;
         for (;;) {
             nl = strchr(text, '\n');
             if (nl == NULL || nl-text >= offset)
@@ -1363,7 +1365,7 @@
     if (offset == -1)
         return;
     PyFile_WriteString("    ", f);
-    while (--offset)
+    while (--offset > 0)
         PyFile_WriteString(" ", f);
     PyFile_WriteString("^\n", f);
 }