Mercurial > hg > toybox
changeset 1481:c0c91437138b draft
A few fixes for issues reported in static analysis.
author | Ashwini Sharma <ak.ashwini1981.gmail.com> |
---|---|
date | Thu, 18 Sep 2014 11:47:42 -0500 |
parents | f0c4b7476118 |
children | 44e72a07fedc |
files | toys/pending/bootchartd.c toys/pending/fsck.c toys/pending/init.c toys/pending/netstat.c |
diffstat | 4 files changed, 27 insertions(+), 14 deletions(-) [+] |
line wrap: on
line diff
--- a/toys/pending/bootchartd.c Wed Sep 17 20:21:44 2014 -0500 +++ b/toys/pending/bootchartd.c Thu Sep 18 11:47:42 2014 -0500 @@ -82,7 +82,10 @@ char *ptr; ssize_t len; - if ((len = readall(fd, toybuf, sizeof(toybuf)-1)) < 0) continue; + if ((len = readall(fd, toybuf, sizeof(toybuf)-1)) < 0) { + xclose(fd); + continue; + } toybuf[len] = '\0'; close(fd); fputs(toybuf, fp); @@ -226,10 +229,11 @@ if ((kcmd_line_fd = open("/proc/cmdline", O_RDONLY)) != -1) { ssize_t len; - len = readall(kcmd_line_fd, toybuf, sizeof(toybuf)-1); - toybuf[len] = 0; - while (--len >= 0 && !toybuf[len]) continue; - for (; len > 0; len--) if (toybuf[len] < ' ') toybuf[len] = ' '; + if ((len = readall(kcmd_line_fd, toybuf, sizeof(toybuf)-1)) > 0) { + toybuf[len] = 0; + while (--len >= 0 && !toybuf[len]) continue; + for (; len > 0; len--) if (toybuf[len] < ' ') toybuf[len] = ' '; + } else *toybuf = 0; } fprintf(hdr_fp, "system.kernel.options = %s", toybuf); close(kcmd_line_fd);
--- a/toys/pending/fsck.c Wed Sep 17 20:21:44 2014 -0500 +++ b/toys/pending/fsck.c Thu Sep 18 11:47:42 2014 -0500 @@ -37,7 +37,7 @@ char *t_list; struct double_list *devices; - int *arr_flag; + char *arr_flag; char **arr_type; int negate; int sum_status; @@ -123,18 +123,20 @@ n++; } - TT.arr_flag = xzalloc((n + 1) * sizeof(char)); + TT.arr_flag = xzalloc(n + 1); TT.arr_type = xzalloc((n + 1) * sizeof(char *)); s = TT.t_list; n = 0; while ((p = strsep(&s, ","))) { no = is_no_prefix(&p); - if (!strcmp(p, "loop")) TT.arr_flag[n] = no ? FLAG_WITH_NO_PRFX :FLAG_WITHOUT_NO_PRFX; - else if (!strncmp(p, "opts=", 5)) { + if (!strcmp(p, "loop")) { + TT.arr_flag[n] = no ? FLAG_WITH_NO_PRFX :FLAG_WITHOUT_NO_PRFX; + TT.negate = no; + } else if (!strncmp(p, "opts=", 5)) { p+=5; TT.arr_flag[n] = is_no_prefix(&p) ?FLAG_WITH_NO_PRFX :FLAG_WITHOUT_NO_PRFX; - } - else { + TT.negate = no; + } else { if (!n) TT.negate = no; if (n && TT.negate != no) error_exit("either all or none of the filesystem" " types passed to -t must be prefixed with 'no' or '!'"); @@ -221,9 +223,9 @@ return; } else { if ((pid = fork()) < 0) { + perror_msg(args[0]); for (j=0;j<i;j++) free(args[i]); free(args); - perror_msg(args[0]); return; } if (!pid) xexec(args); //child, executes fsck.type
--- a/toys/pending/init.c Wed Sep 17 20:21:44 2014 -0500 +++ b/toys/pending/init.c Thu Sep 18 11:47:42 2014 -0500 @@ -141,6 +141,8 @@ line_number++; token_count = 0; action = 0; + tty_name = command = NULL; + while ((extracted_token = strsep(&p,":"))) { token_count++; switch (token_count) { @@ -172,8 +174,12 @@ } //while token if (q) free(q); - if (token_count != 4) continue; - if (action) add_new_action(action, command, tty_name); + if (token_count != 4) { + free(tty_name); + free(command); + continue; + } + if (action) add_new_action(action, command, tty_name); free(tty_name); free(command); } //while line
--- a/toys/pending/netstat.c Wed Sep 17 20:21:44 2014 -0500 +++ b/toys/pending/netstat.c Thu Sep 18 11:47:42 2014 -0500 @@ -468,6 +468,7 @@ strcpy(path + length - (sizeof("cmdline")-1), "fd"); progname = append_pathandfile(pid, (char *)get_basename(toybuf)); //e.g. progname = 2054/gnome-keyring-daemon extract_inode(path, progname); + free(progname); }//end of while. closedir(dp);