diff options
Diffstat (limited to 'qgrep.c')
| -rw-r--r-- | qgrep.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/qgrep.c b/qgrep.c new file mode 100644 index 00000000..647ae3e5 --- /dev/null +++ b/qgrep.c @@ -0,0 +1,113 @@ +/* + * Copyright 2005 Gentoo Foundation + * Distributed under the terms of the GNU General Public License v2 + * $Header: /var/cvsroot/gentoo-projects/portage-utils/qgrep.c,v 1.1 2005/11/06 18:07:17 solar Exp $ + * + * Copyright 2005 Ned Ludd - <solar@gentoo.org> + * Copyright 2005 Mike Frysinger - <vapier@gentoo.org> + */ + +#define QGREP_FLAGS "Iice" COMMON_FLAGS +static struct option const qgrep_long_opts[] = { + {"invert-match", no_argument, NULL, 'I'}, + {"ignore-case", no_argument, NULL, 'i'}, + {"count", no_argument, NULL, 'c'}, + {"regexp", no_argument, NULL, 'e'}, + COMMON_LONG_OPTS +}; +static const char *qgrep_opts_help[] = { + "select non-matching lines", + "ignore case distinctions", + "only print a count of matching lines per FILE", + "use PATTERN as a regular expression", + COMMON_OPTS_HELP +}; +#define qgrep_usage(ret) usage(ret, QGREP_FLAGS, qgrep_long_opts, qgrep_opts_help, APPLET_QGREP) + +int qgrep_main(int argc, char **argv) +{ + int i; + int count = 0; + char *p; + char do_count, do_regex; + FILE *fp; + char ebuild[_POSIX_PATH_MAX]; + char buf0[BUFSIZ]; + int reflags = REG_NOSUB; + char invert_match = 0; + + typedef char *(*FUNC) (char *, char *); + FUNC strfunc = (FUNC) strstr; + + DBG("argc=%d argv[0]=%s argv[1]=%s", + argc, argv[0], argc > 1 ? argv[1] : "NULL?"); + + do_count = do_regex = 0; + + while ((i = GETOPT_LONG(QGREP, qgrep, "")) != -1) { + switch (i) { + case 'I': invert_match = 1; break; + case 'i': + strfunc = (FUNC) strcasestr; + reflags |= REG_ICASE; + break; + case 'c': do_count = 1; break; + case 'e': do_regex = 1; break; + COMMON_GETOPTS_CASES(qgrep) + } + } + if (argc == optind) + qgrep_usage(EXIT_FAILURE); + + initialize_ebuild_flat(); /* sets our pwd to $PORTDIR */ + + if ((fp = fopen(".ebuild.x", "r")) == NULL) + return 1; + while ((fgets(ebuild, sizeof(ebuild), fp)) != NULL) { + FILE *newfp; + if ((p = strchr(ebuild, '\n')) != NULL) + *p = 0; + if ((newfp = fopen(ebuild, "r")) != NULL) { + unsigned int lineno = 0; + count = 0; + while ((fgets(buf0, sizeof(buf0), newfp)) != NULL) { + lineno++; + if ((p = strrchr(buf0, '\n')) != NULL) + *p = 0; + if ((p = strrchr(buf0, '\r')) != NULL) + *p = 0; + + if (!invert_match) { + if (do_regex == 0) { + if (( (FUNC *) (strfunc) (buf0, argv[optind])) == NULL) continue; + } else { + if ((rematch(argv[optind], buf0, reflags)) != 0) continue; + } + } else { + if (do_regex == 0) { + if (( (FUNC *) (strfunc) (buf0, argv[optind])) != NULL) continue; + } else { + if ((rematch(argv[optind], buf0, reflags)) == 0) continue; + } + } + + count++; + if (do_count) continue; + if (verbose) { + printf("%s:", ebuild); + if (verbose > 1) printf("%d:", lineno); + printf(" "); + } + printf("%s\n", buf0); + } + fclose(newfp); + if (do_count && count) { + printf("%d", count); + if (verbose) printf(" %s", ebuild); + puts(""); + } + } + } + fclose(fp); + return EXIT_SUCCESS; +} |