sbase

suckless unix tools
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commit e4e47a617e6c7cca6141aa34c0cdb47b36746b19
parent c0f540162f56f18cffd5b110557b2af1951f3780
Author: sin <sin@2f30.org>
Date:   Tue, 11 Nov 2014 17:11:58 +0000

Handle "--" for -l and -s as well in kill(1)

Diffstat:
Mkill.c | 22++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/kill.c b/kill.c @@ -47,11 +47,9 @@ main(int argc, char *argv[]) if (argc < 2) usage(); - argc--; - argv++; + argc--, argv++; if (strcmp(argv[0], "--") == 0) { - argc--; - argv++; + argc--, argv++; } else if (argv[0][0] == '-' && isdigit(argv[0][1])) { /* handle XSI extension -signum */ errno = 0; @@ -59,11 +57,11 @@ main(int argc, char *argv[]) if (*end != '\0' || errno != 0) eprintf("%s: bad signal number\n", &argv[0][1]); sig2name(sig); - argc--; - argv++; + argc--, argv++; } else if (strcmp(argv[0], "-l") == 0) { - argc--; - argv++; + argc--, argv++; + if (argc > 0 && strcmp(argv[0], "--") == 0) + argc--, argv++; if (argc == 0) { for (i = 0; i < LEN(sigs); i++) puts(sigs[i].name); @@ -80,8 +78,9 @@ main(int argc, char *argv[]) exit(0); } else { if (strcmp(argv[0], "-s") == 0) { - argc--; - argv++; + argc--, argv++; + if (argc > 0 && strcmp(argv[0], "--") == 0) + argc--, argv++; if (argc == 0) usage(); name = argv[0]; @@ -90,8 +89,7 @@ main(int argc, char *argv[]) name = &argv[0][1]; } sig = strcmp(name, "0") == 0 ? 0 : name2sig(name); - argc--; - argv++; + argc--, argv++; } if (argc == 0)