mirror of
git://git.suckless.org/sbase
synced 2024-12-24 07:53:08 +00:00
grep: check regcomp succeeds
This commit is contained in:
parent
6e0f5c1409
commit
cd73d1b330
9
grep.c
9
grep.c
@ -20,7 +20,7 @@ int
|
|||||||
main(int argc, char *argv[])
|
main(int argc, char *argv[])
|
||||||
{
|
{
|
||||||
char c;
|
char c;
|
||||||
int flags = REG_NOSUB;
|
int n, flags = REG_NOSUB;
|
||||||
regex_t preg;
|
regex_t preg;
|
||||||
FILE *fp;
|
FILE *fp;
|
||||||
|
|
||||||
@ -46,8 +46,13 @@ main(int argc, char *argv[])
|
|||||||
}
|
}
|
||||||
if(optind == argc)
|
if(optind == argc)
|
||||||
enprintf(Error, "usage: %s [-Ecilnqv] pattern [files...]\n", argv[0]);
|
enprintf(Error, "usage: %s [-Ecilnqv] pattern [files...]\n", argv[0]);
|
||||||
regcomp(&preg, argv[optind++], flags);
|
|
||||||
|
|
||||||
|
if((n = regcomp(&preg, argv[optind++], flags)) != 0) {
|
||||||
|
char buf[BUFSIZ];
|
||||||
|
|
||||||
|
regerror(n, &preg, buf, sizeof buf);
|
||||||
|
enprintf(Error, "%s\n", buf);
|
||||||
|
}
|
||||||
many = (argc > optind+1);
|
many = (argc > optind+1);
|
||||||
if(optind == argc)
|
if(optind == argc)
|
||||||
grep(stdin, "<stdin>", &preg);
|
grep(stdin, "<stdin>", &preg);
|
||||||
|
Loading…
Reference in New Issue
Block a user