Some formatting updates (ran the code through indent)

-Erik
This commit is contained in:
Erik Andersen
2000-02-08 19:58:47 +00:00
parent c0bf817bbc
commit e49d5ecbbe
163 changed files with 27109 additions and 26607 deletions

190
grep.c
View File

@ -1,3 +1,4 @@
/* vi: set sw=4 ts=4: */
/*
* Mini grep implementation for busybox
*
@ -40,126 +41,125 @@
#include <ctype.h>
static const char grep_usage[] =
"grep [OPTIONS]... PATTERN [FILE]...\n\n"
"Search for PATTERN in each FILE or standard input.\n\n"
"OPTIONS:\n"
"\t-h\tsuppress the prefixing filename on output\n"
"\t-i\tignore case distinctions\n"
"\t-n\tprint line number with output lines\n"
"\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n\n"
"grep [OPTIONS]... PATTERN [FILE]...\n\n"
"Search for PATTERN in each FILE or standard input.\n\n"
"OPTIONS:\n"
"\t-h\tsuppress the prefixing filename on output\n"
"\t-i\tignore case distinctions\n"
"\t-n\tprint line number with output lines\n"
"\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n\n"
#if defined BB_REGEXP
"This version of grep matches full regular expresions.\n";
"This version of grep matches full regular expresions.\n";
#else
"This version of grep matches strings (not regular expresions).\n";
"This version of grep matches strings (not regular expresions).\n";
#endif
static int match = FALSE, beQuiet = FALSE;
static void do_grep(FILE *fp, char* needle, char *fileName, int tellName, int ignoreCase, int tellLine)
static void do_grep(FILE * fp, char *needle, char *fileName, int tellName,
int ignoreCase, int tellLine)
{
char *cp;
long line = 0;
char haystack[BUF_SIZE];
char *cp;
long line = 0;
char haystack[BUF_SIZE];
while (fgets (haystack, sizeof (haystack), fp)) {
line++;
cp = &haystack[strlen (haystack) - 1];
while (fgets(haystack, sizeof(haystack), fp)) {
line++;
cp = &haystack[strlen(haystack) - 1];
if (*cp != '\n')
fprintf (stderr, "%s: Line too long\n", fileName);
if (*cp != '\n')
fprintf(stderr, "%s: Line too long\n", fileName);
if (find_match(haystack, needle, ignoreCase) == TRUE) {
if (tellName==TRUE)
printf ("%s:", fileName);
if (find_match(haystack, needle, ignoreCase) == TRUE) {
if (tellName == TRUE)
printf("%s:", fileName);
if (tellLine==TRUE)
printf ("%ld:", line);
if (tellLine == TRUE)
printf("%ld:", line);
if (beQuiet==FALSE)
fputs (haystack, stdout);
if (beQuiet == FALSE)
fputs(haystack, stdout);
match = TRUE;
match = TRUE;
}
}
}
}
extern int grep_main (int argc, char **argv)
extern int grep_main(int argc, char **argv)
{
FILE *fp;
char *cp;
char *needle;
char *fileName;
int tellName=TRUE;
int ignoreCase=TRUE;
int tellLine=FALSE;
FILE *fp;
char *cp;
char *needle;
char *fileName;
int tellName = TRUE;
int ignoreCase = TRUE;
int tellLine = FALSE;
ignoreCase = FALSE;
tellLine = FALSE;
ignoreCase = FALSE;
tellLine = FALSE;
argc--;
argv++;
if (argc < 1) {
usage(grep_usage);
}
if (**argv == '-') {
argc--;
cp = *argv++;
while (*++cp)
switch (*cp) {
case 'i':
ignoreCase = TRUE;
break;
case 'h':
tellName = FALSE;
break;
case 'n':
tellLine = TRUE;
break;
case 'q':
beQuiet = TRUE;
break;
default:
argv++;
if (argc < 1) {
usage(grep_usage);
}
}
needle = *argv++;
argc--;
if (argc==0) {
do_grep( stdin, needle, "stdin", FALSE, ignoreCase, tellLine);
} else {
/* Never print the filename for just one file */
if (argc==1)
tellName=FALSE;
while (argc-- > 0) {
fileName = *argv++;
fp = fopen (fileName, "r");
if (fp == NULL) {
perror (fileName);
continue;
}
do_grep( fp, needle, fileName, tellName, ignoreCase, tellLine);
if (ferror (fp))
perror (fileName);
fclose (fp);
}
}
exit(match);
if (**argv == '-') {
argc--;
cp = *argv++;
while (*++cp)
switch (*cp) {
case 'i':
ignoreCase = TRUE;
break;
case 'h':
tellName = FALSE;
break;
case 'n':
tellLine = TRUE;
break;
case 'q':
beQuiet = TRUE;
break;
default:
usage(grep_usage);
}
}
needle = *argv++;
argc--;
if (argc == 0) {
do_grep(stdin, needle, "stdin", FALSE, ignoreCase, tellLine);
} else {
/* Never print the filename for just one file */
if (argc == 1)
tellName = FALSE;
while (argc-- > 0) {
fileName = *argv++;
fp = fopen(fileName, "r");
if (fp == NULL) {
perror(fileName);
continue;
}
do_grep(fp, needle, fileName, tellName, ignoreCase, tellLine);
if (ferror(fp))
perror(fileName);
fclose(fp);
}
}
exit(match);
}
/* END CODE */