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grep, kill, renice, sort: style: put main at bottom

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This commit is contained in:
Hiltjo Posthuma
2015-03-07 15:39:39 +01:00
parent b2e73936bf
commit ad6776e9a1
4 changed files with 258 additions and 258 deletions
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220
grep.c
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@@ -36,116 +36,6 @@ struct pattern {
static SLIST_HEAD(phead, pattern) phead;
static void
usage(void)
{
enprintf(Error, "usage: %s [-EFHchilnqsvwx] [-e pattern] [-f file] [pattern] [file ...]\n", argv0);
}
int
main(int argc, char *argv[])
{
struct pattern *pnode;
int i, m, flags = REG_NOSUB, match = NoMatch;
FILE *fp;
char *arg;
SLIST_INIT(&phead);
ARGBEGIN {
case 'E':
Eflag = 1;
flags |= REG_EXTENDED;
break;
case 'F':
Fflag = 1;
break;
case 'H':
Hflag = 1;
hflag = 0;
break;
case 'e':
arg = EARGF(usage());
fp = fmemopen(arg, strlen(arg) + 1, "r");
addpatternfile(fp);
fclose(fp);
eflag = 1;
break;
case 'f':
arg = EARGF(usage());
fp = fopen(arg, "r");
if (!fp)
enprintf(Error, "fopen %s:", arg);
addpatternfile(fp);
fclose(fp);
fflag = 1;
break;
case 'h':
hflag = 1;
Hflag = 0;
break;
case 'c':
case 'l':
case 'n':
case 'q':
mode = ARGC();
break;
case 'i':
flags |= REG_ICASE;
iflag = 1;
break;
case 's':
sflag = 1;
break;
case 'v':
vflag = 1;
break;
case 'w':
wflag = 1;
break;
case 'x':
xflag = 1;
break;
default:
usage();
} ARGEND;
if (argc == 0 && !eflag && !fflag)
usage(); /* no pattern */
/* just add literal pattern to list */
if (!eflag && !fflag) {
fp = fmemopen(argv[0], strlen(argv[0]) + 1, "r");
addpatternfile(fp);
fclose(fp);
argc--;
argv++;
}
if (!Fflag)
/* Compile regex for all search patterns */
SLIST_FOREACH(pnode, &phead, entry)
enregcomp(Error, &pnode->preg, pnode->pattern, flags);
many = (argc > 1);
if (argc == 0) {
match = grep(stdin, "<stdin>");
} else {
for (i = 0; i < argc; i++) {
if (!(fp = fopen(argv[i], "r"))) {
if (!sflag)
weprintf("fopen %s:", argv[i]);
match = Error;
continue;
}
m = grep(fp, argv[i]);
if (m == Error || (match != Error && m == Match))
match = m;
fclose(fp);
}
}
return match;
}
static void
addpattern(const char *pattern)
{
@@ -269,3 +159,113 @@ end:
}
return match;
}
static void
usage(void)
{
enprintf(Error, "usage: %s [-EFHchilnqsvwx] [-e pattern] [-f file] [pattern] [file ...]\n", argv0);
}
int
main(int argc, char *argv[])
{
struct pattern *pnode;
int i, m, flags = REG_NOSUB, match = NoMatch;
FILE *fp;
char *arg;
SLIST_INIT(&phead);
ARGBEGIN {
case 'E':
Eflag = 1;
flags |= REG_EXTENDED;
break;
case 'F':
Fflag = 1;
break;
case 'H':
Hflag = 1;
hflag = 0;
break;
case 'e':
arg = EARGF(usage());
fp = fmemopen(arg, strlen(arg) + 1, "r");
addpatternfile(fp);
fclose(fp);
eflag = 1;
break;
case 'f':
arg = EARGF(usage());
fp = fopen(arg, "r");
if (!fp)
enprintf(Error, "fopen %s:", arg);
addpatternfile(fp);
fclose(fp);
fflag = 1;
break;
case 'h':
hflag = 1;
Hflag = 0;
break;
case 'c':
case 'l':
case 'n':
case 'q':
mode = ARGC();
break;
case 'i':
flags |= REG_ICASE;
iflag = 1;
break;
case 's':
sflag = 1;
break;
case 'v':
vflag = 1;
break;
case 'w':
wflag = 1;
break;
case 'x':
xflag = 1;
break;
default:
usage();
} ARGEND;
if (argc == 0 && !eflag && !fflag)
usage(); /* no pattern */
/* just add literal pattern to list */
if (!eflag && !fflag) {
fp = fmemopen(argv[0], strlen(argv[0]) + 1, "r");
addpatternfile(fp);
fclose(fp);
argc--;
argv++;
}
if (!Fflag)
/* Compile regex for all search patterns */
SLIST_FOREACH(pnode, &phead, entry)
enregcomp(Error, &pnode->preg, pnode->pattern, flags);
many = (argc > 1);
if (argc == 0) {
match = grep(stdin, "<stdin>");
} else {
for (i = 0; i < argc; i++) {
if (!(fp = fopen(argv[i], "r"))) {
if (!sflag)
weprintf("fopen %s:", argv[i]);
match = Error;
continue;
}
m = grep(fp, argv[i]);
if (m == Error || (match != Error && m == Match))
match = m;
fclose(fp);
}
}
return match;
}