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grep: cleanup

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This commit is contained in:
Connor Lane Smith
2011-06-04 12:00:23 +01:00
parent 763409841f
commit de221bc6f5
1 changed files with 3 additions and 9 deletions
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12
grep.c
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@@ -8,8 +8,6 @@
static void grep(FILE *, const char *, regex_t *);
static bool Eflag = false;
static bool iflag = false;
static bool vflag = false;
static bool many;
static bool match = false;
@@ -26,7 +24,7 @@ main(int argc, char *argv[])
while((c = getopt(argc, argv, "Ecilnqv")) != -1)
switch(c) {
case 'E':
Eflag = true;
flags |= REG_EXTENDED;
break;
case 'c':
case 'l':
@@ -35,7 +33,7 @@ main(int argc, char *argv[])
mode = c;
break;
case 'i':
iflag = true;
flags |= REG_ICASE;
break;
case 'v':
vflag = true;
@@ -44,13 +42,9 @@ main(int argc, char *argv[])
exit(2);
}
if(optind == argc) {
fprintf(stderr, "usage: %s [-cilnqv] pattern [files...]\n", argv[0]);
fprintf(stderr, "usage: %s [-Ecilnqv] pattern [files...]\n", argv[0]);
exit(2);
}
if(Eflag)
flags |= REG_EXTENDED;
if(iflag)
flags |= REG_ICASE;
regcomp(&preg, argv[optind++], flags);
many = (argc > optind+1);