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various files - fix some alerts raised by lgtm code analysis

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This patch fixes several issues reported by the lgtm code analysis tool:

https://lgtm.com/projects/g/asterisk/asterisk

Not all reported issues were addressed in this patch. This patch mostly fixes
confirmed reported errors, potential problematic code points, and a few other
"low hanging" warnings or recommendations found in core supported modules.
These include, but are not limited to the following:

* innapropriate stack allocation in loops
* buffer overflows
* variable declaration "hiding" another variable declaration
* comparisons results that are always the same
* ambiguously signed bit-field members
* missing header guards

Change-Id: Id4a881686605d26c94ab5409bc70fcc21efacc25
This commit is contained in:
Kevin Harwell
2019-10-23 12:36:17 -05:00
committed by George Joseph
parent 990a91b44a
commit bdd785d31c
49 changed files with 324 additions and 203 deletions
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18
res/res_pjsip_endpoint_identifier_ip.c
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@@ -551,20 +551,24 @@ static int match_to_str(const void *obj, const intptr_t *args, char **buf)
return 0;
}
static int match_to_var_list(const void *obj, struct ast_variable **fields)
static void match_to_var_list_append(struct ast_variable **head, struct ast_ha *ha)
{
char str[MAX_OBJECT_FIELD];
const char *addr = ast_strdupa(ast_sockaddr_stringify_addr(&ha->addr));
snprintf(str, MAX_OBJECT_FIELD, "%s%s/%s", ha->sense == AST_SENSE_ALLOW ? "!" : "",
addr, ast_sockaddr_stringify_addr(&ha->netmask));
ast_variable_list_append(head, ast_variable_new("match", str, ""));
}
static int match_to_var_list(const void *obj, struct ast_variable **fields)
{
const struct ip_identify_match *identify = obj;
struct ast_variable *head = NULL;
struct ast_ha *ha = identify->matches;
for (; ha; ha = ha->next) {
const char *addr = ast_strdupa(ast_sockaddr_stringify_addr(&ha->addr));
snprintf(str, MAX_OBJECT_FIELD, "%s%s/%s", ha->sense == AST_SENSE_ALLOW ? "!" : "",
addr, ast_sockaddr_stringify_addr(&ha->netmask));
ast_variable_list_append(&head, ast_variable_new("match", str, ""));
match_to_var_list_append(&head, ha);
}
if (head) {