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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-09-17 03:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-09-17 03:51:28 +0000 |
commit | 2b07c041cb218eca6e548bac9c4347f8a90c474c (patch) | |
tree | 679142f3916fa927903c6f245896f5c0325a3254 /tools/src/qshead.c | |
parent | Initial commit. (diff) | |
download | libapache2-mod-qos-upstream/11.74.tar.xz libapache2-mod-qos-upstream/11.74.zip |
Adding upstream version 11.74.upstream/11.74upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tools/src/qshead.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/tools/src/qshead.c b/tools/src/qshead.c new file mode 100644 index 0000000..49130ad --- /dev/null +++ b/tools/src/qshead.c @@ -0,0 +1,132 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Utilities for the quality of service module mod_qos. + * + * qshead.c: Shows the beginning of a log file stopping at the provided pattern. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qshead.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <signal.h> + +#include "qs_util.h" + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - an utility reading from stdin and printing all" + " lines to stdout until" + " reaching the defined pattern.\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -p <pattern>\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, " %s reads lines from stdin and prints them to stdout until a line contains\n", cmd); + qs_man_print(man, " the specified pattern (literal string).\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -p <pattern>\n"); + if(man) printf("\n"); + qs_man_print(man, " Search pattern (literal string).\n"); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1) qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +int main(int argc, const char * const argv[]) { + char line[32768]; + const char *pattern = NULL; + char *cmd = strrchr(argv[0], '/'); + int status = 0; + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-p") == 0) { + if (--argc >= 1) { + pattern = *(++argv); + } + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } + argc--; + argv++; + } + + if(pattern == NULL) { + usage(cmd, 0); + } + + while(fgets(line, sizeof(line), stdin) != NULL) { + printf("%s", line); + if(strstr(line, pattern)) { + return status; + } + } + return status; +} |