// Read a name/value file and write data entries for each line.
// Returns the number of entries written (always <= stats_count).
//
// delimiter: used to split each line into name and value
// terminator: if non-NULL, processing stops after this string
// skip_words: skip this many words at the start of each line
static int read_lines(
const char *filename,
char delimiter, const char *terminator, int skip_words,
struct data *stats, int stats_count) {
char buf[8192];
int fd = open(filename, O_RDONLY);
if (fd < 0) return 0;
int len = read(fd, buf, sizeof(buf) - 1);
if (len < 0) {
perror(filename);
close(fd);
return 0;
}
buf[len] = '\0';
close(fd);
if (terminator != NULL) {
char *end = strstr(buf, terminator);
if (end != NULL) *end = '\0';
}
int filename_len = strlen(filename);
int num = 0;
char *line;
for (line = strtok(buf, "\n");
line != NULL && num < stats_count;
line = strtok(NULL, "\n")) {
// Line format: <sp>name<delim><sp>value
int i;
while (isspace(*line)) ++line;
for (i = 0; i < skip_words; ++i) {
while (isgraph(*line)) ++line;
while (isspace(*line)) ++line;
}
char *name_end = strchr(line, delimiter);
if (name_end == NULL) continue;
// Key format: <filename>:<name>
struct data *data = &stats[num++];
data->name = malloc(filename_len + 1 + (name_end - line) + 1);
unspace(data->name, filename, filename_len);
data->name[filename_len] = ':';
unspace(data->name + filename_len + 1, line, name_end - line);
data->name[filename_len + 1 + (name_end - line)] = '\0';
char *value = name_end + 1;
while (isspace(*value)) ++value;
data->value = strdup(value);
}
return num;
}
// Read /proc/yaffs and write data entries for each line.
// Returns the number of entries written (always <= stats_count).
static int read_proc_yaffs(struct data *stats, int stats_count) {
char buf[8192];
int fd = open("/proc/yaffs", O_RDONLY);
if (fd < 0) return 0;
int len = read(fd, buf, sizeof(buf) - 1);
if (len < 0) {
perror("/proc/yaffs");
close(fd);
return 0;
}
buf[len] = '\0';
close(fd);
int num = 0, device_len = 0;
char *line, *device = NULL;
for (line = strtok(buf, "\n");
line != NULL && num < stats_count;
line = strtok(NULL, "\n")) {
if (strncmp(line, "Device ", 7) == 0) {
device = strchr(line, '"');
if (device != NULL) {
char *end = strchr(++device, '"');
if (end != NULL) *end = '\0';
device_len = strlen(device);
}
continue;
}
if (device == NULL) continue;
char *name_end = line + strcspn(line, " .");
if (name_end == line || *name_end == '\0') continue;
struct data *data = &stats[num++];
data->name = malloc(12 + device_len + 1 + (name_end - line) + 1);
memcpy(data->name, "/proc/yaffs:", 12);
unspace(data->name + 12, device, device_len);
data->name[12 + device_len] = ':';
unspace(data->name + 12 + device_len + 1, line, name_end - line);
data->name[12 + device_len + 1 + (name_end - line)] = '\0';
char *value = name_end;
while (*value == '.' || isspace(*value)) ++value;
data->value = strdup(value);
}
return num;
}
void
rad2mgf( /* convert a Radiance file to MGF */
char *inp
)
{
char buf[512];
char mod[128], typ[32], id[128], alias[128];
FUNARGS fa;
register FILE *fp;
register int c;
if (inp == NULL) {
inp = "standard input";
fp = stdin;
} else if (inp[0] == '!') {
if ((fp = popen(inp+1, "r")) == NULL) {
fputs(inp, stderr);
fputs(": cannot execute\n", stderr);
exit(1);
}
} else if ((fp = fopen(inp, "r")) == NULL) {
fputs(inp, stderr);
fputs(": cannot open\n", stderr);
exit(1);
}
printf("# Begin conversion from: %s\n", inp);
while ((c = getc(fp)) != EOF)
switch (c) {
case ' ': /* white space */
case '\t':
case '\n':
case '\r':
case '\f':
break;
case '#': /* comment */
if (fgets(buf, sizeof(buf), fp) != NULL)
printf("# %s", buf);
break;
case '!': /* inline command */
ungetc(c, fp);
fgetline(buf, sizeof(buf), fp);
rad2mgf(buf);
break;
default: /* Radiance primitive */
ungetc(c, fp);
if (fgetword(mod, sizeof(mod), fp) == NULL ||
fgetword(typ, sizeof(typ), fp) == NULL ||
fgetword(id, sizeof(id), fp) == NULL) {
fputs(inp, stderr);
fputs(": unexpected EOF\n", stderr);
exit(1);
}
unspace(mod);
unspace(id);
if (!strcmp(typ, "alias")) {
strcpy(alias, "EOF");
fgetword(alias, sizeof(alias), fp);
unspace(alias);
newmat(id, alias);
} else {
if (!readfargs(&fa, fp)) {
fprintf(stderr,
"%s: bad argument syntax for %s \"%s\"\n",
inp, typ, id);
exit(1);
}
cvtprim(inp, mod, typ, id, &fa);
freefargs(&fa);
}
break;
}
printf("# End conversion from: %s\n", inp);
if (inp[0] == '!')
pclose(fp);
else
fclose(fp);
}
