v4k-git-backup/tools/linswap.c

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#define STACK_ALLOC_SIZE (128*1024*1024)
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#include "v4k.c"
int main(int argc, char **argv) {
if (argc != 2) {
fprintf(stderr, "usage: %s [file]\n", argv[0]);
fprintf(stderr, "file: %s\n", "source file to process");
return 1;
}
char *buf = file_read(argv[1]);
if (!buf) {
fprintf(stderr, "error: %s\n", "file does not exist!");
return 2;
}
file_delete(argv[1]);
// determine swap mode
char mode = strstri(buf, "//@#line 1 \"") == NULL;
char **lines = strsplit(buf, "\n");
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printf("Switching #line %s\n", mode?"ON":"OFF");
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for (int i = 0; i < array_count(lines); i++) {
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char *line = STRDUP(lines[i]); //@leak
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if (!mode) {
strrepl(&line, "//@#line 1 \"", "#line 1 \"");
} else {
strrepl(&line, "#line 1 \"", "//@#line 1 \"");
}
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file_append(argv[1], va("%s\n", line), strlen(line)+1);
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}
return 0;
}