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Don't write into buffer if no arguments, reported by Filipe Rosset.

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This commit is contained in:
Nicholas Marriott 2014-02-26 21:42:59 +00:00
parent 6d9f936ff2
commit 0bb9d51965
1 changed files with 3 additions and 0 deletions
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3
cmd.c
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@ -138,6 +138,9 @@ cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
size_t arglen; size_t arglen;
int i; int i;
if (argc == 0)
return (0);
*buf = '\0'; *buf = '\0';
for (i = 0; i < argc; i++) { for (i = 0; i < argc; i++) {
if (strlcpy(buf, argv[i], len) >= len) if (strlcpy(buf, argv[i], len) >= len)