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commit 43ef8fcfb6ad299a53df00ef1ab52e078d620895
Author: Kim Woelders <k...@woelders.dk>
AuthorDate: Mon Jun 26 06:31:50 2023 +0200
eesh: Workaround problem with _FORTIFY_SOURCE=3
When using _FORTIFY_SOURCE=3 it appears we get like
$ eesh a b
*** buffer overflow detected ***: terminated
Aborted (core dumped)
The apparently offensive code is correct, so this must be a bug in
gcc(-13.1.1).
---
eesh/main.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/eesh/main.c b/eesh/main.c
index 09a4c4f3..c79c8738 100644
--- a/eesh/main.c
+++ b/eesh/main.c
@@ -91,6 +91,7 @@ main(int argc, char **argv)
char *command, *s;
char mode;
int len, l;
+ const char *space;
mode = 0;
display_name = NULL;
@@ -157,6 +158,7 @@ main(int argc, char **argv)
CommsSend(e, "set version 0.2");
command = NULL;
+ space = "";
if (i < argc)
{
mode = 1;
@@ -167,13 +169,12 @@ main(int argc, char **argv)
l = strlen(s);
command = EREALLOC(char, command, len + l + 4);
- if (len)
- command[len++] = ' ';
if (strchr(s, ' '))
- l = snprintf(command + len, l + 4, "'%s'", s);
+ l = snprintf(command + len, l + 4, "%s'%s'", space, s);
else
- l = snprintf(command + len, l + 4, "%s", s);
+ l = snprintf(command + len, l + 4, "%s%s", space, s);
len += l;
+ space = " ";
}
}
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