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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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10
apps/app_followme.c
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@@ -408,7 +408,6 @@ static int reload_followme(int reload)
char *cat = NULL, *tmp;
struct ast_variable *var;
struct number *cur, *nm;
char *numberstr;
int timeout;
int numorder;
const char* enable_callee_prompt_str;
@@ -536,9 +535,12 @@ static int reload_followme(int reload)
while (var) {
if (!strcasecmp(var->name, "number")) {
int idx = 0;
char copy[strlen(var->value) + 1];
char *numberstr;
/* Add a new number */
numberstr = ast_strdupa(var->value);
strcpy(copy, var->value); /* safe */
numberstr = copy;
if ((tmp = strchr(numberstr, ','))) {
*tmp++ = '\0';
timeout = atoi(tmp);
@@ -762,10 +764,6 @@ static struct ast_channel *wait_for_winner(struct findme_user_listptr *findme_us
}
tmpto = to;
if (to < 0) {
to = 1000;
tmpto = 1000;
}
towas = to;
winner = ast_waitfor_n(watchers, pos, &to);
tmpto -= to;