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-rw-r--r--lib/smtp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/smtp.c b/lib/smtp.c
index 685513b3b..aea41bb4e 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -1760,8 +1760,10 @@ static CURLcode smtp_parse_address(struct connectdata *conn, const char *fqma,
return CURLE_OUT_OF_MEMORY;
length = strlen(dup);
- if(dup[length - 1] == '>')
- dup[length - 1] = '\0';
+ if(length) {
+ if(dup[length - 1] == '>')
+ dup[length - 1] = '\0';
+ }
/* Extract the host name from the address (if we can) */
host->name = strpbrk(dup, "@");