It dawned on me that I would need to grow a char buffer one extra char bigger

to accomodate a trailing '\n'ewline that I append to it later one. This is
only necessary for the case of one inserted, appended, or changed line, but
it's still necessary.

2 files changed, 8 insertions, 2 deletions

diff --git a/editors/sed.c b/editors/sed.c
index 115783f09..770a56eeb 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -309,7 +309,10 @@ static void parse_edit_cmd(struct sed_cmd *sed_cmd, const char *editstr)
                 fatalError("bad format in edit expression\n");
 
         /* store the edit line text */
-        sed_cmd->editline = strdup(&editstr[3]);
+        /* make editline big enough to accomodate the extra '\n' we will tack on
+         * to the end */
+        sed_cmd->editline = xmalloc(strlen(&editstr[3]) + 2);
+        strcpy(sed_cmd->editline, &editstr[3]);
         ptr = sed_cmd->editline;
 
         /* now we need to go through * and: s/\\[\r\n]$/\n/g on the edit line */
diff --git a/sed.c b/sed.c
index 115783f09..770a56eeb 100644
--- a/sed.c
+++ b/sed.c
@@ -309,7 +309,10 @@ static void parse_edit_cmd(struct sed_cmd *sed_cmd, const char *editstr)
                 fatalError("bad format in edit expression\n");
 
         /* store the edit line text */
-        sed_cmd->editline = strdup(&editstr[3]);
+        /* make editline big enough to accomodate the extra '\n' we will tack on
+         * to the end */
+        sed_cmd->editline = xmalloc(strlen(&editstr[3]) + 2);
+        strcpy(sed_cmd->editline, &editstr[3]);
         ptr = sed_cmd->editline;
 
         /* now we need to go through * and: s/\\[\r\n]$/\n/g on the edit line */