b5b5ac323
Eric Andersen
2003-03-28
Subject
trivial fix to make sure we have sufficient arguments before we mess with a possibly non-existant argv[1] -Erik
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coreutils/tail.c+3 -4
| @@ -118,11 +118,10 @@ int tail_main(int argc, char **argv) | |
| const char *fmt; | |
| /* Allow legacy syntax of an initial numeric option without -n. */ | |
| - | if ((argv[1][0] == '+') |
| - | || ((argv[1][0] == '-') |
| + | if (argc >=2 && ((argv[1][0] == '+') || ((argv[1][0] == '-') |
| /* && (isdigit)(argv[1][1]) */ | |
| - | && (((unsigned int)(argv[1][1] - '0')) <= 9)) |
| - | ) { |
| + | && (((unsigned int)(argv[1][1] - '0')) <= 9)))) |
| + | { |
| optind = 2; | |
| optarg = argv[1]; | |
| goto GET_COUNT; | |