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Fixed a subtle bug in the handling of -l and -c flags.
This commit is contained in:
Mark Whitley
parent
452cc1f293
commit
35e59bed97
@ -37,11 +37,11 @@ extern void xregcomp(regex_t *preg, const char *regex, int cflags); /* in busybo
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static int ignore_case = 0;
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static int print_filename = 0;
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static int print_line_num = 0;
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static int print_count_only = 0;
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static int print_match_counts = 0;
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static int be_quiet = 0;
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static int invert_search = 0;
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static int suppress_err_msgs = 0;
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static int files_that_match = 0;
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static int print_files_with_matches = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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extern char *optarg; /* in getopt.h */
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@ -106,7 +106,7 @@ static void grep_file(FILE *file)
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/* otherwise, keep track of matches and print the matched line */
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nmatches++;
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if (print_count_only==0 && files_that_match==0) {
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if (print_match_counts==0 && print_files_with_matches==0) {
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#ifdef BB_FEATURE_GREP_CONTEXT
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int prevpos = (curpos == 0) ? lines_before - 1 : curpos - 1;
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@ -160,19 +160,19 @@ static void grep_file(FILE *file)
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free(line);
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}
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/* special-case post processing */
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if (files_that_match) {
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if (nmatches > 0) {
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printf("%s", cur_file);
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if (nmatches)
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printf(":%d", nmatches);
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printf("\n");
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}
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} else if (print_count_only) {
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if (print_filename)
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printf("%s:", cur_file);
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printf("%i\n", nmatches);
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}
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/* special-case file post-processing for options where we don't print line
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* matches, just filenames */
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/* grep -cl or just grep -c: print filename:count, even if count is zero */
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if (print_match_counts) {
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printf("%s:%d\n", cur_file, nmatches);
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}
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/* just grep -l: print just the filename, but only if we grepped the line in the file */
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else if (print_files_with_matches && !print_match_counts && nmatches > 0) {
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printf("%s\n", cur_file);
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}
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/* remember if we matched */
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if (nmatches != 0)
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@ -198,7 +198,7 @@ extern int grep_main(int argc, char **argv)
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ignore_case++;
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break;
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case 'l':
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files_that_match++;
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print_files_with_matches++;
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break;
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case 'H':
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print_filename++;
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@ -219,7 +219,7 @@ extern int grep_main(int argc, char **argv)
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suppress_err_msgs++;
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break;
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case 'c':
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print_count_only++;
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print_match_counts++;
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break;
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#ifdef BB_FEATURE_GREP_CONTEXT
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case 'A':
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@ -250,7 +250,7 @@ extern int grep_main(int argc, char **argv)
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show_usage();
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/* sanity check */
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if (print_count_only || be_quiet || files_that_match) {
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if (print_match_counts || be_quiet || print_files_with_matches) {
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print_line_num = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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lines_before = 0;
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38
grep.c
38
grep.c
@ -37,11 +37,11 @@ extern void xregcomp(regex_t *preg, const char *regex, int cflags); /* in busybo
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static int ignore_case = 0;
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static int print_filename = 0;
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static int print_line_num = 0;
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static int print_count_only = 0;
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static int print_match_counts = 0;
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static int be_quiet = 0;
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static int invert_search = 0;
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static int suppress_err_msgs = 0;
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static int files_that_match = 0;
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static int print_files_with_matches = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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extern char *optarg; /* in getopt.h */
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@ -106,7 +106,7 @@ static void grep_file(FILE *file)
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/* otherwise, keep track of matches and print the matched line */
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nmatches++;
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if (print_count_only==0 && files_that_match==0) {
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if (print_match_counts==0 && print_files_with_matches==0) {
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#ifdef BB_FEATURE_GREP_CONTEXT
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int prevpos = (curpos == 0) ? lines_before - 1 : curpos - 1;
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@ -160,19 +160,19 @@ static void grep_file(FILE *file)
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free(line);
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}
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/* special-case post processing */
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if (files_that_match) {
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if (nmatches > 0) {
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printf("%s", cur_file);
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if (nmatches)
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printf(":%d", nmatches);
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printf("\n");
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}
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} else if (print_count_only) {
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if (print_filename)
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printf("%s:", cur_file);
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printf("%i\n", nmatches);
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}
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/* special-case file post-processing for options where we don't print line
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* matches, just filenames */
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/* grep -cl or just grep -c: print filename:count, even if count is zero */
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if (print_match_counts) {
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printf("%s:%d\n", cur_file, nmatches);
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}
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/* just grep -l: print just the filename, but only if we grepped the line in the file */
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else if (print_files_with_matches && !print_match_counts && nmatches > 0) {
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printf("%s\n", cur_file);
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}
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/* remember if we matched */
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if (nmatches != 0)
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@ -198,7 +198,7 @@ extern int grep_main(int argc, char **argv)
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ignore_case++;
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break;
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case 'l':
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files_that_match++;
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print_files_with_matches++;
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break;
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case 'H':
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print_filename++;
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@ -219,7 +219,7 @@ extern int grep_main(int argc, char **argv)
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suppress_err_msgs++;
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break;
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case 'c':
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print_count_only++;
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print_match_counts++;
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break;
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#ifdef BB_FEATURE_GREP_CONTEXT
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case 'A':
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@ -250,7 +250,7 @@ extern int grep_main(int argc, char **argv)
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show_usage();
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/* sanity check */
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if (print_count_only || be_quiet || files_that_match) {
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if (print_match_counts || be_quiet || print_files_with_matches) {
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print_line_num = 0;
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#ifdef BB_FEATURE_GREP_CONTEXT
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lines_before = 0;
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