diff options
| author | Markus Uhlin <markus@nifty-networks.net> | 2024-07-07 15:26:44 +0200 |
|---|---|---|
| committer | Markus Uhlin <markus@nifty-networks.net> | 2024-07-07 15:26:44 +0200 |
| commit | 371c0f00545b70b67043765677a83a4bfa0bf827 (patch) | |
| tree | 5f3054b96848c13e386a2ad551925dd65f2d8a51 /FICS/ratings.c | |
| parent | 41a92d80a86dc2f2639d2374b50a0326a9b086ad (diff) | |
Check the retval of fscanf()
Diffstat (limited to 'FICS/ratings.c')
| -rw-r--r-- | FICS/ratings.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/FICS/ratings.c b/FICS/ratings.c index 11896aa..931163c 100644 --- a/FICS/ratings.c +++ b/FICS/ratings.c @@ -340,8 +340,19 @@ load_ratings(void) } for (int i = 0; i < MAXHIST; i++) { - fscanf(fp, "%d %d %d %d", &sHist[i], &bHist[i], &wHist[i], + int ret, errno_save; + + errno = 0; + ret = fscanf(fp, "%d %d %d %d", &sHist[i], &bHist[i], &wHist[i], &lHist[i]); + errno_save = errno; + if (ret != 4) { + if (feof(fp) || ferror(fp)) + break; + errno = errno_save; + warn("%s: too few items assigned (iteration: %d)", + __func__, i); + } } fclose(fp); |