3c99391d93
In some cases the license-identification header was missing, so I added that as well. Replaced the remaining headers that specifically identified "Versions 3.13.7 and higher". Makefiles and the build system were deliberately excluded.
102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/*************************************************************************\
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* Copyright (c) 2010 UChicago Argonne LLC, as Operator of Argonne
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* National Laboratory.
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* SPDX-License-Identifier: EPICS
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* EPICS Base is distributed subject to a Software License Agreement found
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* in the file LICENSE that is included with this distribution.
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\*************************************************************************/
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/* This is a simple version of msi for testing the dbLoadTemplate() code.
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*
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* It calls dbLoadTemplate() to parse the substitution file, but replaces
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* dbLoadRecords() with its own version that reads the template file,
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* expands any macros in the text and prints the result to stdout.
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*
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* This technique won't work on Windows, dbLoadRecords() has to be
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* epicsShare... decorated and loaded from a shared library.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "macLib.h"
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#include "dbLoadTemplate.h"
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#define BUFFER_SIZE 0x10000
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static char *input_buffer, *output_buffer;
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int dbLoadRecords(const char *file, const char *macros)
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{
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MAC_HANDLE *macHandle = NULL;
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char **macPairs;
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FILE *fp;
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size_t input_len;
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if (macCreateHandle(&macHandle, NULL)) {
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fprintf(stderr, "macCreateHandle failed\n");
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exit(1);
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}
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macSuppressWarning(macHandle, 1);
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macParseDefns(macHandle, macros, &macPairs);
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if (!macPairs) {
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macDeleteHandle(macHandle);
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macHandle = NULL;
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} else {
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macInstallMacros(macHandle, macPairs);
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free(macPairs);
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}
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fp = fopen(file, "r");
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if (!fp) {
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fprintf(stderr, "fopen('%s') failed: %s\n", file, strerror(errno));
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exit(1);
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}
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input_len = fread(input_buffer, 1, BUFFER_SIZE, fp);
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if (!feof(fp)) {
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fprintf(stderr, "input file > 64K!\n");
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fclose(fp);
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exit(1);
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}
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input_buffer[input_len] = 0;
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if (fclose(fp)) {
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fprintf(stderr, "fclose('%s') failed: %s\n", file, strerror(errno));
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exit(1);
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}
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macExpandString(macHandle, input_buffer, output_buffer, BUFFER_SIZE-1);
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printf("%s", output_buffer);
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if (macHandle) macDeleteHandle(macHandle);
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return 0;
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}
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int main(int argc, char **argv)
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{
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input_buffer = malloc(BUFFER_SIZE);
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output_buffer = malloc(BUFFER_SIZE);
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if (!input_buffer || !output_buffer) {
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fprintf(stderr, "malloc(%d) failed\n", BUFFER_SIZE);
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exit(1);
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}
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if (argc != 2) {
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fprintf(stderr, "Usage: %s file.sub\n", argv[0]);
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exit(1);
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}
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dbLoadTemplate(argv[1], NULL);
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free(output_buffer);
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free(input_buffer);
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return 0;
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}
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