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Check snprintf() return value

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sin 2014-01-23 20:05:01 +00:00
parent cc2d762798
commit 3ef662c988
1 changed files with 6 additions and 4 deletions
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10
du.c
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@ -137,11 +137,13 @@ du(const char *path)
m = nblks(&st); m = nblks(&st);
n += m; n += m;
if (aflag && !sflag) { if (aflag && !sflag) {
if (S_ISLNK(st.st_mode)) if (S_ISLNK(st.st_mode)) {
snprintf(file, sizeof(file), "%s/%s", if (snprintf(file, sizeof(file), "%s/%s",
cwd, dent->d_name); cwd, dent->d_name) >= sizeof(file))
else enprintf(EXIT_FAILURE, "path too long\n");
} else {
realpath(dent->d_name, file); realpath(dent->d_name, file);
}
print(m, file); print(m, file);
} }
} }