233 lines
No EOL
7.4 KiB
C
233 lines
No EOL
7.4 KiB
C
|
|
void os_write_string_to_stdout(string s);
|
|
inline int crt_sprintf(char *str, const char *format, ...);
|
|
int vsnprintf(char* buffer, size_t n, const char* fmt, va_list args);
|
|
bool is_pointer_valid(void *p);
|
|
|
|
u64 format_string_to_buffer(char* buffer, u64 count, const char* fmt, va_list args) {
|
|
if (!buffer) count = UINT64_MAX;
|
|
const char* p = fmt;
|
|
char* bufp = buffer;
|
|
while (*p != '\0' && (bufp - buffer) < count - 1) {
|
|
if (*p == '%') {
|
|
p += 1;
|
|
if (*p == 's') {
|
|
// We replace %s formatting with our fixed length string
|
|
p += 1;
|
|
string s = va_arg(args, string);
|
|
assert(s.count < (1024ULL*1024ULL*1024ULL*256ULL), "Ypu passed something else than a fixed-length 'string' to %%s. Maybe you passed a char* and should do %%cs instead?");
|
|
for (u64 i = 0; i < s.count && (bufp - buffer) < count - 1; i++) {
|
|
if (buffer) *bufp = s.data[i];
|
|
bufp += 1;
|
|
}
|
|
} else if (*p == 'c' && *(p+1) == 's') {
|
|
// We extend the standard formatting and add %cs so we can format c strings if we need to
|
|
p += 2;
|
|
char* s = va_arg(args, char*);
|
|
u64 len = 0;
|
|
while (*s != '\0' && (bufp - buffer) < count - 1) {
|
|
assert(len < (1024ULL*1024ULL*1024ULL*1ULL), "The argument passed to %%cs is either way too big, missing null-termination or simply not a char*.");
|
|
if (buffer) {
|
|
*bufp = *s;
|
|
}
|
|
s += 1;
|
|
bufp += 1;
|
|
len += 1;
|
|
assert(len < (1024ULL*1024ULL*1024ULL*1ULL), "The argument passed to %%cs is either way too big, missing null-termination or simply not a char*.");
|
|
}
|
|
} else {
|
|
// Fallback to standard vsnprintf
|
|
char temp_buffer[512];
|
|
char format_specifier[64];
|
|
int specifier_len = 0;
|
|
format_specifier[specifier_len++] = '%';
|
|
|
|
while (*p != '\0' && strchr("diuoxXfFeEgGaAcCpn%", *p) == NULL) {
|
|
format_specifier[specifier_len++] = *p++;
|
|
}
|
|
if (*p != '\0') {
|
|
format_specifier[specifier_len++] = *p++;
|
|
}
|
|
format_specifier[specifier_len] = '\0';
|
|
|
|
int temp_len = vsnprintf(temp_buffer, sizeof(temp_buffer), format_specifier, args);
|
|
switch (format_specifier[specifier_len - 1]) {
|
|
case 'd': case 'i': va_arg(args, int); break;
|
|
case 'u': case 'x': case 'X': case 'o': va_arg(args, unsigned int); break;
|
|
case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': case 'a': case 'A': va_arg(args, double); break;
|
|
case 'c': va_arg(args, int); break;
|
|
case 's': va_arg(args, char*); break;
|
|
case 'p': va_arg(args, void*); break;
|
|
case 'n': va_arg(args, int*); break;
|
|
default: break;
|
|
}
|
|
|
|
if (temp_len < 0) {
|
|
return -1; // Error in formatting
|
|
}
|
|
|
|
for (int i = 0; i < temp_len && (bufp - buffer) < count - 1; i++) {
|
|
if (buffer) *bufp = temp_buffer[i];
|
|
bufp += 1;
|
|
}
|
|
}
|
|
} else {
|
|
if (buffer) {
|
|
*bufp = *p;
|
|
}
|
|
bufp += 1;
|
|
p += 1;
|
|
}
|
|
}
|
|
if (buffer) *bufp = '\0';
|
|
|
|
return bufp - buffer;
|
|
}
|
|
string sprint_null_terminated_string_va_list_to_buffer(const char *fmt, va_list args, void* buffer, u64 count) {
|
|
u64 formatted_length = format_string_to_buffer((char*)buffer, count, fmt, args);
|
|
|
|
string result;
|
|
result.data = (u8*)buffer;
|
|
|
|
if (formatted_length >= 0 && formatted_length < count) {
|
|
result.count = formatted_length;
|
|
} else {
|
|
result.count = count - 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
string sprint_va_list_to_buffer(const string fmt, va_list args, void* buffer, u64 count) {
|
|
|
|
char* fmt_cstring = temp_convert_to_null_terminated_string(fmt);
|
|
return sprint_null_terminated_string_va_list_to_buffer(fmt_cstring, args, buffer, count);
|
|
}
|
|
|
|
string sprint_va_list(Allocator allocator, const string fmt, va_list args) {
|
|
|
|
char* fmt_cstring = temp_convert_to_null_terminated_string(fmt);
|
|
u64 count = format_string_to_buffer(NULL, 0, fmt_cstring, args) + 1;
|
|
|
|
char* buffer = NULL;
|
|
|
|
buffer = (char*)alloc(allocator, count);
|
|
|
|
return sprint_null_terminated_string_va_list_to_buffer(fmt_cstring, args, buffer, count);
|
|
}
|
|
|
|
|
|
string sprints(Allocator allocator, const string fmt, ...) {
|
|
va_list args = 0;
|
|
va_start(args, fmt);
|
|
string s = sprint_va_list(allocator, fmt, args);
|
|
va_end(args);
|
|
return s;
|
|
}
|
|
|
|
// temp allocator
|
|
string tprints(const string fmt, ...) {
|
|
va_list args = 0;
|
|
va_start(args, fmt);
|
|
string s = sprint_va_list(temp, fmt, args);
|
|
va_end(args);
|
|
return s;
|
|
}
|
|
|
|
|
|
string sprintf(Allocator allocator, const char *fmt, ...) {
|
|
string sfmt;
|
|
sfmt.data = cast(u8*)fmt;
|
|
sfmt.count = strlen(fmt);
|
|
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
string s = sprint_va_list(allocator, sfmt, args);
|
|
va_end(args);
|
|
|
|
return s;
|
|
}
|
|
// temp allocator
|
|
string tprintf(const char *fmt, ...) {
|
|
string sfmt;
|
|
sfmt.data = cast(u8*)fmt;
|
|
sfmt.count = strlen(fmt);
|
|
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
string s = sprint_va_list(temp, sfmt, args);
|
|
va_end(args);
|
|
|
|
return s;
|
|
}
|
|
|
|
// print for 'string' and printf for 'char*'
|
|
|
|
#define PRINT_BUFFER_SIZE 4096
|
|
// Avoids all and any allocations but overhead in speed and memory.
|
|
// Need this for standard printing so we don't get infinite recursions.
|
|
// (for example something in memory might fail assert and it needs to print that)
|
|
void print_va_list_buffered(const string fmt, va_list args) {
|
|
|
|
string current = fmt;
|
|
|
|
char buffer[PRINT_BUFFER_SIZE];
|
|
|
|
while (true) {
|
|
u64 size = min(current.count, PRINT_BUFFER_SIZE-1);
|
|
if (current.count <= 0) break;
|
|
|
|
memcpy(buffer, current.data, size);
|
|
|
|
char fmt_cstring[PRINT_BUFFER_SIZE+1];
|
|
memcpy(fmt_cstring, current.data, size);
|
|
fmt_cstring[size] = 0;
|
|
|
|
string s = sprint_null_terminated_string_va_list_to_buffer(fmt_cstring, args, buffer, PRINT_BUFFER_SIZE);
|
|
os_write_string_to_stdout(s);
|
|
|
|
current.count -= size;
|
|
current.data += size;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void prints(const string fmt, ...) {
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
print_va_list_buffered(fmt, args);
|
|
va_end(args);
|
|
}
|
|
|
|
void printf(const char* fmt, ...) {
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
string s;
|
|
s.data = cast(u8*)fmt;
|
|
s.count = strlen(fmt);
|
|
print_va_list_buffered(s, args);
|
|
va_end(args);
|
|
}
|
|
|
|
|
|
|
|
|
|
typedef void(*Logger_Proc)(Log_Level level, string s);
|
|
#define LOG_BASE(level, ...) If context.logger then ((Logger_Proc)context.logger)(level, tprint(__VA_ARGS__))
|
|
|
|
|
|
#define log_verbose(...) LOG_BASE(LOG_VERBOSE, __VA_ARGS__)
|
|
#define log_info(...) LOG_BASE(LOG_INFO, __VA_ARGS__)
|
|
#define log_warning(...) LOG_BASE(LOG_WARNING, __VA_ARGS__)
|
|
#define log_error(...) LOG_BASE(LOG_ERROR, __VA_ARGS__)
|
|
|
|
#define log(...) LOG_BASE(LOG_INFO, __VA_ARGS__)
|
|
|
|
void default_logger(Log_Level level, string s) {
|
|
switch (level) {
|
|
case LOG_VERBOSE: print("[VERBOSE]: %s\n", s); break;
|
|
case LOG_INFO: print("[INFO]: %s\n", s); break;
|
|
case LOG_WARNING: print("[WARNING]: %s\n", s); break;
|
|
case LOG_ERROR: print("[ERROR]: %s\n", s); break;
|
|
}
|
|
} |