forked from vysheng/tgl
/
auto-static-print-ds.c
106 lines (97 loc) · 2.25 KB
/
auto-static-print-ds.c
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static int multiline_output = 1;
static int multiline_offset;
static int multiline_offset_size = 2;
static int disable_field_names;
#define OUT_BUF_SIZE (1 << 25)
static char out_buf[OUT_BUF_SIZE];
static int out_buf_pos;
#define eprintf(...) \
do { \
out_buf_pos += snprintf (out_buf + out_buf_pos, OUT_BUF_SIZE - out_buf_pos, __VA_ARGS__);\
assert (out_buf_pos < OUT_BUF_SIZE);\
} while (0)\
static int valid_utf8_char (const char *str) {
unsigned char c = (unsigned char) *str;
int n = 0;
if ((c & 0x80) == 0x00) {
n = 0;
} else if ((c & 0xe0) == 0xc0) {
n = 1;
} else if ((c & 0xf0) == 0xe0) {
n = 2;
} else if ((c & 0xf8) == 0xf0) {
n = 3;
} else if ((c & 0xfc) == 0xf8) {
n = 4;
} else if ((c & 0xfe) == 0xfc) {
n = 5;
} else {
return -1;
}
int i;
for (i = 0; i < n; i ++) {
if ((((unsigned char)(str[i + 1])) & 0xc0) != 0x80) {
return -1;
}
}
return n + 1;
}
static void print_escaped_string (const char *str, int len) {
eprintf ("\"");
const char *end = str + len;
while (str < end) {
int n = valid_utf8_char (str);
if (n < 0) {
eprintf ("\\x%02x", (int)(unsigned char)*str);
str ++;
} else if (n >= 2) {
int i;
for (i = 0; i < n; i++) {
eprintf ("%c", *(str ++));
}
} else if (((unsigned char)*str) >= ' ' && *str != '"' && *str != '\\') {
eprintf ("%c", *str);
str ++;
} else {
switch (*str) {
case '\n':
eprintf("\\n");
break;
case '\r':
eprintf("\\r");
break;
case '\t':
eprintf("\\t");
break;
case '\b':
eprintf("\\b");
break;
case '\a':
eprintf("\\a");
break;
case '\\':
eprintf ("\\\\");
break;
case '"':
eprintf ("\\\"");
break;
default:
eprintf ("\\x%02x", (int)(unsigned char)*str);
break;
}
str ++;
}
}
eprintf ("\"");
}
static void print_offset (void) {
int i;
for (i = 0; i < multiline_offset; i++) {
eprintf (" ");
}
}
char *tglf_extf_print_ds (struct tgl_state *TLS, void *DS, struct paramed_type *T) {
out_buf_pos = 0;
if (print_ds_type_any (DS, T) < 0) { return 0; }
return out_buf;
}