mirror of
https://github.com/reactos/reactos.git
synced 2024-12-29 10:35:28 +00:00
139 lines
2.9 KiB
C
139 lines
2.9 KiB
C
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#ifndef max
|
|
#define max(a, b) ((a) > (b) ? (a) : (b))
|
|
#endif
|
|
|
|
int
|
|
write_if_change(char* outbuf, char* filename)
|
|
{
|
|
FILE* out;
|
|
unsigned int end;
|
|
char* cmpbuf;
|
|
unsigned int stat;
|
|
|
|
out = fopen(filename, "rb");
|
|
if (out == NULL)
|
|
{
|
|
out = fopen(filename, "wb");
|
|
if (out == NULL)
|
|
{
|
|
fprintf(stderr, "Unable to create output file\n");
|
|
return(1);
|
|
}
|
|
fputs(outbuf, out);
|
|
fclose(out);
|
|
return(0);
|
|
}
|
|
|
|
fseek(out, 0, SEEK_END);
|
|
end = ftell(out);
|
|
cmpbuf = malloc(end);
|
|
if (cmpbuf == NULL)
|
|
{
|
|
fprintf(stderr, "Out of memory\n");
|
|
fclose(out);
|
|
return(1);
|
|
}
|
|
|
|
fseek(out, 0, SEEK_SET);
|
|
stat = fread(cmpbuf, 1, end, out);
|
|
if (stat != end)
|
|
{
|
|
fprintf(stderr, "Failed to read data\n");
|
|
fclose(out);
|
|
free(cmpbuf);
|
|
return(1);
|
|
}
|
|
if (end == strlen(outbuf) && memcmp(cmpbuf, outbuf, end) == 0)
|
|
{
|
|
fclose(out);
|
|
free(cmpbuf);
|
|
return(0);
|
|
}
|
|
|
|
fclose(out);
|
|
free(cmpbuf);
|
|
out = fopen(filename, "wb");
|
|
if (out == NULL)
|
|
{
|
|
fprintf(stderr, "Unable to create output file\n");
|
|
return(1);
|
|
}
|
|
|
|
stat = fwrite(outbuf, 1, strlen(outbuf), out);
|
|
if (strlen(outbuf) != stat)
|
|
{
|
|
fprintf(stderr, "Unable to write output file\n");
|
|
fclose(out);
|
|
return(1);
|
|
}
|
|
fclose(out);
|
|
return(0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char* argv[])
|
|
{
|
|
int include_tests;
|
|
unsigned int i;
|
|
char* outbuf;
|
|
char* s;
|
|
char config[512];
|
|
|
|
if (argc == 1)
|
|
{
|
|
fprintf(stderr, "Not enough arguments\n");
|
|
return(1);
|
|
}
|
|
|
|
outbuf = malloc(256 * 1024);
|
|
if (outbuf == NULL)
|
|
{
|
|
fprintf(stderr, "Out of memory 1\n");
|
|
return(1);
|
|
}
|
|
|
|
s = outbuf;
|
|
s = s + sprintf(s, "/* Automatically generated, ");
|
|
s = s + sprintf(s, "Edit the Makefile to change configuration */\n");
|
|
s = s + sprintf(s, "#ifndef __INCLUDE_CONFIG_H\n");
|
|
s = s + sprintf(s, "#define __INCLUDE_CONFIG_H\n");
|
|
strcpy(config, "");
|
|
include_tests = 0;
|
|
for (i = 2; i < argc; i++)
|
|
{
|
|
if (strcmp(argv[i], "REGTESTS") == 0)
|
|
{
|
|
include_tests = 1;
|
|
}
|
|
else
|
|
{
|
|
s = s + sprintf(s, "#ifndef %s\n", argv[i]);
|
|
s = s + sprintf(s, "#define %s\n", argv[i]);
|
|
s = s + sprintf(s, "#endif /* %s */\n", argv[i]);
|
|
}
|
|
strcat(config, argv[i]);
|
|
if (i != (argc - 1))
|
|
{
|
|
strcat(config, " ");
|
|
}
|
|
}
|
|
if (include_tests)
|
|
{
|
|
s = s + sprintf(s, "#ifndef __ASM__\n");
|
|
s = s + sprintf(s, "extern void PrepareTests();\n");
|
|
s = s + sprintf(s, "#define PREPARE_TESTS PrepareTests();\n");
|
|
s = s + sprintf(s, "#endif /* __ASM__ */\n");
|
|
}
|
|
else
|
|
{
|
|
s = s + sprintf(s, "#define PREPARE_TESTS\n");
|
|
}
|
|
s = s + sprintf(s, "#define CONFIG \"%s\"\n", config);
|
|
s = s + sprintf(s, "#endif /* __INCLUDE_CONFIG_H */\n");
|
|
|
|
return(write_if_change(outbuf, argv[1]));
|
|
}
|