char *ReadTexinfoFileF(const char *source_dir, const char *fmt, ...)
{
Writer *filenamew = StringWriter();
struct stat sb;
char *buffer = NULL;
FILE *fp = NULL;
off_t file_size;
va_list ap;
va_start(ap, fmt);
WriterWriteF(filenamew, "%s/", source_dir);
WriterWriteVF(filenamew, fmt, ap);
va_end(ap);
char *filename = StringWriterClose(filenamew);
if (cfstat(filename, &sb) == -1)
{
if (!GenerateStub(filename))
{
CfOut(OUTPUT_LEVEL_INFORM, "", "Unable to write down stub for missing texinfo file");
free(filename);
return NULL;
}
}
if ((fp = fopen(filename, "r")) == NULL)
{
CfOut(OUTPUT_LEVEL_INFORM, "fopen", "Could not read manual source %s\n", filename);
free(filename);
return NULL;
}
fseek(fp, 0, SEEK_END);
file_size = ftello(fp);
fseek(fp, 0, SEEK_SET);
buffer = (char *) xcalloc(file_size + 1, sizeof(char));
buffer[file_size] = '\0';
int cnt = fread(buffer, sizeof(char), file_size, fp);
if ((ferror(fp)) || (cnt != file_size))
{
CfOut(OUTPUT_LEVEL_INFORM, "fread", "Could not read manual source %s\n", filename);
free(buffer);
fclose(fp);
free(filename);
return NULL;
}
fclose(fp);
free(filename);
return buffer;
}
size_t WriterWriteF(Writer *writer, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
size_t size = WriterWriteVF(writer, fmt, ap);
va_end(ap);
return size;
}
