diff options
| -rw-r--r-- | main/ast_expr2.fl | 10 | ||||
| -rw-r--r-- | main/ast_expr2f.c | 10 |
2 files changed, 14 insertions, 6 deletions
diff --git a/main/ast_expr2.fl b/main/ast_expr2.fl index 9f2d993af..8d422ad18 100644 --- a/main/ast_expr2.fl +++ b/main/ast_expr2.fl @@ -264,13 +264,17 @@ int ast_expr(char *expr, char *buf, int length, struct ast_channel *chan) res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i); return_value = (res_length <= length) ? res_length : length; } else { + if (io.val->u.s) #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE_AEL) - strncpy(buf, io.val->u.s, length - 1); + strncpy(buf, io.val->u.s, length - 1); #else /* !STANDALONE && !LOW_MEMORY */ - ast_copy_string(buf, io.val->u.s, length); + ast_copy_string(buf, io.val->u.s, length); #endif /* STANDALONE || LOW_MEMORY */ + else + buf[0] = 0; return_value = strlen(buf); - free(io.val->u.s); + if (io.val->u.s) + free(io.val->u.s); } free(io.val); } diff --git a/main/ast_expr2f.c b/main/ast_expr2f.c index 243046558..c9ae8defd 100644 --- a/main/ast_expr2f.c +++ b/main/ast_expr2f.c @@ -3207,13 +3207,17 @@ int ast_expr(char *expr, char *buf, int length, struct ast_channel *chan) res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i); return_value = (res_length <= length) ? res_length : length; } else { + if (io.val->u.s) #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE_AEL) - strncpy(buf, io.val->u.s, length - 1); + strncpy(buf, io.val->u.s, length - 1); #else /* !STANDALONE && !LOW_MEMORY */ - ast_copy_string(buf, io.val->u.s, length); + ast_copy_string(buf, io.val->u.s, length); #endif /* STANDALONE || LOW_MEMORY */ + else + buf[0] = 0; return_value = strlen(buf); - free(io.val->u.s); + if (io.val->u.s) + free(io.val->u.s); } free(io.val); } |