...
| Code Block | ||
|---|---|---|
| ||
...
FILE *fp;
int fd;
fd = open(file_name, O_CREAT | O_EXCL | O_WRONLY, new_file_mode);
if (fd == -1) {
/* Handle Error */
}
fp = fdopen(fd,"w");
if (fp == NULL) {
/* Handle Error */
}
...
|
...
Risk Assessment
The ability to determine if an existing file has been opened, or a new file has been created provides greater assurance that the file accessed is the one that was intended.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
FIO03-A | 3 (high) | 2 (probable) | 1 (high) | P6 | L2 |
Component | Value | ||||
Severity |
| ||||
Likelihood |
| ||||
Remediation cost |
|
References
- Seacord 05 Chapter 7, File I/O
- ISO/IEC 9899-1999 Sections 7.19.3, Files
- ISO/IEC 9899-1999 Sections 7.19.4, Operations on Files
- Open Group 04