JavaScript is not currently enabled, but is required for full CodeSonar manual search and browse functionality.
If you are viewing this file in your hub's Web GUI, enable JavaScript in your browser: you will also need it for GUI functionality.
If you opened this file directly from disk, your browser may be directly suppressing JavaScript functionality: certain browsers perform this suppression on local files (but not files delivered by web servers) for security reasons.
| CodeSonar® 9.0p0 Hot Tips | CONFIDENTIAL | CodeSecure Inc |
Control can return from a function used as a computational exception signal handler. Behavior is undefined when this occurs.
| Class Name | Return from Computational Exception Signal Handler | |||
|---|---|---|---|---|
| Significance | security | |||
| Mnemonic | LANG.STRUCT.RFCESH | |||
| Categories |
|
|||
| Availability | Available for C and C++. |
|||
| Enabling | Checks for this warning class are
disabled by default. To enable them, add the following WARNING_FILTER
rule to the project configuration file.
WARNING_FILTER += allow class="Return from Computational Exception Signal Handler" |
Japanese (ja)
#include <signal.h>
#include <stdlib.h>
void handle_return(int s) {
/* do error handling */
}
void handle_somereturn(int s) {
/* do error handling */
if (s < 5){
exit(1);
}
}
void handle_noreturn(int s) {
/* do error handling */
exit(1);
}
void lang_struct_rfcesh() {
signal(SIGILL, handle_return); /* 'Return from Computational Exception Signal Handler' warning issued here */
signal(SIGILL, handle_somereturn); /* 'Return from Computational Exception Signal Handler' warning issued here */
signal(SIGILL, handle_noreturn); /* ok: control doesn't return from handle_noreturn() on any path */
}
The following configuration file parameters affect checks for this warning class.