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tools/exec: fix segfault

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This commit is contained in:
Virgil Dupras 2020-11-17 17:02:10 -05:00
parent 959382c079
commit 631e7f1008
1 changed files with 4 additions and 0 deletions
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4
tools/exec.c
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@ -19,6 +19,10 @@ int main(int argc, char **argv)
FILE *fp = stdin; FILE *fp = stdin;
if (strcmp(argv[2], "-") != 0) { if (strcmp(argv[2], "-") != 0) {
fp = fopen(argv[2], "r"); fp = fopen(argv[2], "r");
if (fp == NULL) {
fprintf(stderr, "Could not open %s\n", argv[2]);
return 1;
}
} }
int fd = ttyopen(argv[1]); int fd = ttyopen(argv[1]);
if (fd < 0) { if (fd < 0) {