diff options
| -rw-r--r-- | more.c | 28 |
1 files changed, 27 insertions, 1 deletions
@@ -1,3 +1,27 @@ +/* + * UNG's Not GNU + * + * Copyright (c) 2011-2020, Jakob Kaivo <jkk@ung.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + #define _XOPEN_SOURCE 700 #include <ctype.h> #include <errno.h> @@ -306,7 +330,9 @@ static int query_term(const char *cap, const char *variable, int def) snprintf(cmd, sizeof(cmd), "tput %s", cap); FILE *f = popen(cmd, "r"); if (f) { - fscanf(f, "%d", &n); + if (fscanf(f, "%d", &n) != 1) { + n = 0; + } pclose(f); if (n != 0) { return n; |