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102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2000 Netscape Communications Corporation. All
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* 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
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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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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