X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=src%2Ftrackfds.h;h=b26059da533d8119e96551f80acac5bdf3101df0;hb=686bf50bcd4ac12d2825dc9d18d6ca944f158eb5;hp=614b4bf8a0fb1d3181a57199133761339959f455;hpb=96710bc3fa919e221338ef96686e80ba590d3b77;p=coloredstderr%2Fcoloredstderr.git diff --git a/src/trackfds.h b/src/trackfds.h index 614b4bf..b26059d 100644 --- a/src/trackfds.h +++ b/src/trackfds.h @@ -105,15 +105,17 @@ static void init_from_environment(void) { static void update_environment(void) { /* An integer (32-bit) has at most 10 digits, + 1 for the comma after each * number. Bigger file descriptors (which shouldn't occur in reality) are - * truncated. */ + * skipped. */ char env[tracked_fds_count * (10 + 1) * sizeof(char)]; char *x = env; size_t i; for (i = 0; i < tracked_fds_count; i++) { int length = snprintf(x, 10 + 1, "%d", tracked_fds[i]); - if (length >= 10 + 1) - return; + if (length >= 10 + 1) { + /* Integer too bit to fit the buffer, skip it. */ + continue; + } /* Write comma after number. */ x += length;