105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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# include <stdio.h>
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# include <string.h>
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int main(int argc, char* argv[]) {
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FILE *templ;
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FILE *target;
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unsigned char buffer[81];
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unsigned char *find, *replace;
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int matchcount = 0;
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int ch;
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int len;
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buffer[0] = '\0';
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if (argc != 5) {
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fprintf(stderr, "usuage: replace template.js searchstring replacestring target.js \n");
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return 1;
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}
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templ = fopen(argv[1], "r");
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if (!templ) {
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fprintf(stderr, "Cannot open template script %s\n", argv[1]);
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return 2;
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}
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find = (unsigned char*) argv[2];
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replace = (unsigned char*) argv[3];
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target = fopen(argv[4], "w");
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if (!target) {
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fclose(templ);
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fprintf(stderr, "Cannot write to target script %s\n", argv[4]);
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return 3;
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}
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for (len = 0; find[len]!='\0'; len++);
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if (len > 80) {
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fprintf(stderr, "length of searchstring exceeds 80 chars");
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return 4;
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}
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/* get a char from templ */
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while ((int)(ch=fgetc(templ)) != EOF) {
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if ((unsigned char)ch == find[matchcount]) {
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/* if it matches find[matchcount],
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* then store one more char in buffer,
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* increase match count, and checks if
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* the whole word has been found */
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buffer[matchcount] = (unsigned char) ch;
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buffer[++matchcount] = '\0';
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if (matchcount == len) {
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matchcount = 0;
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fprintf(target, "%s", replace);
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}
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} else {
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/* reset matchcount, flush buffer */
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if (matchcount > 0) {
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fprintf(target, "%s", buffer);
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matchcount = 0;
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}
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fputc(ch, target);
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}
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}
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fclose(templ);
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fclose(target);
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return 0;
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}
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