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-rw-r--r--lib/alloc.c211
-rw-r--r--lib/atox.c30
-rw-r--r--lib/bound.c12
-rw-r--r--lib/btoa.c43
-rw-r--r--lib/ctoi.c14
-rw-r--r--lib/delay.c8
-rw-r--r--lib/isdigit.c6
-rw-r--r--lib/isspace.c16
-rw-r--r--lib/itoc.c10
-rw-r--r--lib/memcmp.c9
-rw-r--r--lib/memcpy.c10
-rw-r--r--lib/memcpyv.c11
-rw-r--r--lib/memmove.c20
-rw-r--r--lib/memmovev.c20
-rw-r--r--lib/memset.c10
-rw-r--r--lib/memsetv.c10
-rw-r--r--lib/printf.c602
-rw-r--r--lib/stpcpy.c9
-rw-r--r--lib/stpncpy.c10
-rw-r--r--lib/strcat.c7
-rw-r--r--lib/strcpy.c9
-rw-r--r--lib/strlen.c9
-rw-r--r--lib/strncmp.c11
-rw-r--r--lib/strncpy.c10
-rw-r--r--lib/strtoux.c44
-rw-r--r--lib/strtox.c53
-rw-r--r--lib/timetostr.c143
-rw-r--r--lib/uxtoa.c27
-rw-r--r--lib/xtoa.c31
29 files changed, 0 insertions, 1405 deletions
diff --git a/lib/alloc.c b/lib/alloc.c
deleted file mode 100644
index dfa2df5..0000000
--- a/lib/alloc.c
+++ /dev/null
@@ -1,211 +0,0 @@
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define MAGIC 0xBEEFCAFE
-
-struct page_header {
- struct page_header *next;
- struct page_header *prev;
- size_t
- node_number; // all headers on the same page alloc have the same node number (so they can be merged)
- size_t
- free; // free space after the node (if its the last node in the alloc block)
- size_t used; // how much space this allocation is using
- uint64_t magic;
-};
-
-static const size_t header_len = sizeof(struct page_header);
-static struct page_header *start_header = NULL;
-static struct page_header *end_header = NULL;
-
-static struct page_header *get_header(void *ptr)
-{
- struct page_header *header =
- (struct page_header *)((uintptr_t)ptr - header_len);
-
- // PERF: do we want to make sure this pointer is paged
- // before reading it???
- if (header->magic != MAGIC) {
- return NULL; // invalid pointer
- }
-
- return header;
-}
-
-static void *alloc_new(size_t size)
-{
- size_t pages = ((size + header_len) / PAGE_SIZE) + 1;
-
- void *addr = alloc_pages(pages);
- void *mem = (char *)addr + header_len;
-
- size_t total = pages * PAGE_SIZE;
- size_t free = total - (size + header_len);
-
- if (addr == NULL) {
- return NULL;
- }
-
- size_t node;
- if (end_header != NULL) {
- node = end_header->node_number + 1;
- } else {
- node = 0;
- }
-
- struct page_header *header = addr;
- header->magic = 0xBEEFCAFE;
- header->used = size;
- header->free = free;
- header->prev = end_header;
- header->next = NULL;
- header->node_number = node;
-
- if (start_header == NULL) {
- start_header = header;
- }
-
- if (end_header != NULL) {
- end_header->next = header;
- } else {
- end_header = header;
- }
-
- return mem;
-}
-
-static void *alloc_block(size_t size, struct page_header *block)
-{
- struct page_header *header =
- (struct page_header *)((char *)block + block->used + header_len);
-
- size_t free = block->free - (size + header_len);
- block->free = 0;
-
- header->magic = MAGIC;
- header->used = size;
- header->free = free;
- header->prev = block;
- header->next = block->next;
- block->next = header;
- header->node_number = block->node_number;
-
- void *mem = (char *)header + header_len;
-
- return mem;
-}
-
-void *malloc(size_t size)
-{
- struct page_header *header = start_header;
-
- for (; header != NULL; header = header->next) {
- size_t free = header->free;
- if (free < header_len)
- continue;
- if (size <=
- (free - header_len)) { // we must be able to fit data + header
- break;
- }
- }
-
- if (header != NULL) {
- return alloc_block(size, header);
- } else {
- return alloc_new(size);
- }
-}
-
-void *realloc(void *src, size_t dst_len)
-{
- struct page_header *header;
- size_t src_len;
- void *dst;
-
- // realloc of 0 means free pointer
- if (dst_len == 0) {
- free(src);
- return NULL;
- }
-
- // NULL src means allocate ptr
- if (src == NULL) {
- dst = malloc(dst_len);
- return dst;
- }
-
- header = get_header(src);
-
- if (header == NULL)
- return NULL;
-
- src_len = header->used;
-
- if (src_len == 0)
- return NULL;
-
- dst = malloc(dst_len);
-
- if (dst == NULL)
- return NULL; // allocation failed
-
- if (dst_len < src_len)
- src_len = dst_len;
-
- memcpy(dst, src, src_len);
- free(src);
-
- return dst;
-}
-
-void free(void *ptr)
-{
- struct page_header *header;
-
- if (ptr == NULL)
- return;
-
- header = get_header(ptr);
-
- if (header == NULL)
- return;
-
- header->free += header->used;
- header->used = 0;
-
- struct page_header *neighbor;
-
- // merge left
- for (neighbor = header->prev; neighbor != NULL; neighbor = neighbor->prev) {
- if (neighbor->node_number != header->node_number)
- break;
- if (neighbor->used && header->used)
- break;
- neighbor->free += header->free + header_len;
- neighbor->next = header->next;
- header = neighbor;
- }
-
- // merge right
- for (neighbor = header->next; neighbor != NULL; neighbor = neighbor->next) {
- if (neighbor->node_number != header->node_number)
- break;
- if (neighbor->used)
- break;
- header->free += neighbor->free + header_len;
- header->next = neighbor->next;
- }
-
- if ((header->next == NULL ||
- header->next->node_number != header->node_number) &&
- (header->prev == NULL ||
- header->prev->node_number != header->node_number) &&
- header->used == 0) {
- if (header->next)
- header->next->prev = header->prev;
- if (header->prev)
- header->prev->next = header->next;
- free_pages(header);
- }
-}
diff --git a/lib/atox.c b/lib/atox.c
deleted file mode 100644
index c4bef59..0000000
--- a/lib/atox.c
+++ /dev/null
@@ -1,30 +0,0 @@
-#include <stdlib.h>
-#include <ctype.h>
-
-#define ATOX(name, type) \
- type name(const char *s) \
- { \
- for (; isspace(*s); s++) \
- ; \
- int neg = 0; \
- switch (*s) { \
- case '-': \
- neg = 1; \
- /* fallthrough */ \
- case '+': \
- s++; \
- break; \
- } \
- type num = 0; \
- for (; *s == '0'; s++) \
- ; \
- for (; isdigit(*s); s++) { \
- num *= 10; \
- num += *s - '0'; \
- } \
- return num * (neg ? -1 : 1); \
- }
-
-ATOX(atoi, int)
-ATOX(atol, long int)
-ATOX(atoll, long long int)
diff --git a/lib/bound.c b/lib/bound.c
deleted file mode 100644
index 072a41a..0000000
--- a/lib/bound.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include <stdlib.h>
-
-unsigned int bound(unsigned int min, unsigned int value, unsigned int max)
-{
- if (value < min) {
- value = min;
- }
- if (value > max) {
- value = max;
- }
- return value;
-}
diff --git a/lib/btoa.c b/lib/btoa.c
deleted file mode 100644
index fe5e275..0000000
--- a/lib/btoa.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <stdlib.h>
-
-static char suffixes[] = { 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y', 'R', 'Q' };
-
-char *btoa(size_t bytes, char *buf)
-{
- // no suffix if under 1K, print up to four digits
- if (bytes < 1024) {
- ultoa(bytes, buf, 10);
- return buf;
- }
-
- // store one digit of remainder for decimal
- unsigned int remainder;
- // power of 1024
- int power = 0;
-
- // iterate until remaining bytes fits in three digits
- while (bytes >= 1000) {
- remainder = (bytes % 1024) * 10 / 1024;
- bytes /= 1024;
- power += 1;
- }
-
- // end of number
- char *end;
-
- if (bytes >= 10) {
- // no decimal
- end = ultoa(bytes, buf, 10);
- } else {
- // decimal
- end = ultoa(bytes, buf, 10);
- end[0] = '.';
- end = ultoa(remainder, end + 1, 10);
- }
-
- // add suffix
- end[0] = suffixes[power - 1];
- end[1] = '\0';
-
- return buf;
-}
diff --git a/lib/ctoi.c b/lib/ctoi.c
deleted file mode 100644
index efe4fec..0000000
--- a/lib/ctoi.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <stdlib.h>
-
-int ctoi(char c)
-{
- if (c >= '0' && c <= '9') {
- return c - '0';
- } else if (c >= 'A' && c <= 'Z') {
- return c - 'A' + 10;
- } else if (c >= 'a' && c <= 'z') {
- return c - 'a' + 10;
- } else {
- return -1;
- }
-}
diff --git a/lib/delay.c b/lib/delay.c
deleted file mode 100644
index ff5ccc4..0000000
--- a/lib/delay.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <stdlib.h>
-
-void delay(int count)
-{
- while (count-- > 0)
- for (int i = 0; i < 100000; i++)
- ;
-}
diff --git a/lib/isdigit.c b/lib/isdigit.c
deleted file mode 100644
index aa93ced..0000000
--- a/lib/isdigit.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <ctype.h>
-
-int isdigit(int c)
-{
- return c >= '0' && c <= '9';
-}
diff --git a/lib/isspace.c b/lib/isspace.c
deleted file mode 100644
index 9e89d76..0000000
--- a/lib/isspace.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <ctype.h>
-
-int isspace(int c)
-{
- switch (c) {
- case ' ':
- case '\t':
- case '\v':
- case '\f':
- case '\r':
- case '\n':
- return 1;
- default:
- return 0;
- }
-}
diff --git a/lib/itoc.c b/lib/itoc.c
deleted file mode 100644
index c19d814..0000000
--- a/lib/itoc.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <stdlib.h>
-
-char itoc(int i)
-{
- if (i < 10) {
- return '0' + i;
- } else {
- return 'a' + (i - 10);
- }
-}
diff --git a/lib/memcmp.c b/lib/memcmp.c
deleted file mode 100644
index 7f3dc01..0000000
--- a/lib/memcmp.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-
-int memcmp(const void *restrict vl, const void *restrict vr, size_t n)
-{
- const unsigned char *l = vl, *r = vr;
- for (; n && *l == *r; n--, l++, r++)
- ;
- return n ? *l - *r : 0;
-}
diff --git a/lib/memcpy.c b/lib/memcpy.c
deleted file mode 100644
index ec56537..0000000
--- a/lib/memcpy.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <string.h>
-
-void *memcpy(void *restrict dest, const void *restrict src, size_t n)
-{
- char *d = dest;
- const char *s = src;
- for (; n; n--)
- *d++ = *s++;
- return dest;
-}
diff --git a/lib/memcpyv.c b/lib/memcpyv.c
deleted file mode 100644
index 610daf2..0000000
--- a/lib/memcpyv.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <string.h>
-
-volatile void *memcpyv(volatile void *restrict dest,
- const volatile void *restrict src, size_t n)
-{
- volatile char *d = dest;
- volatile const char *s = src;
- for (; n; n--)
- *d++ = *s++;
- return dest;
-}
diff --git a/lib/memmove.c b/lib/memmove.c
deleted file mode 100644
index 81f00fe..0000000
--- a/lib/memmove.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <string.h>
-
-void *memmove(void *dest, const void *src, size_t n)
-{
- char *d = dest;
- const char *s = src;
-
- if (d == s)
- return d;
-
- if (d < s) {
- for (; n; n--)
- *d++ = *s++;
- } else {
- while (n)
- n--, d[n] = s[n];
- }
-
- return dest;
-}
diff --git a/lib/memmovev.c b/lib/memmovev.c
deleted file mode 100644
index 0b21d25..0000000
--- a/lib/memmovev.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <string.h>
-
-volatile void *memmovev(volatile void *dest, const volatile void *src, size_t n)
-{
- volatile char *d = dest;
- volatile const char *s = src;
-
- if (d == s)
- return d;
-
- if (d < s) {
- for (; n; n--)
- *d++ = *s++;
- } else {
- while (n)
- n--, d[n] = s[n];
- }
-
- return dest;
-}
diff --git a/lib/memset.c b/lib/memset.c
deleted file mode 100644
index ddf42f8..0000000
--- a/lib/memset.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <string.h>
-
-void *memset(void *dest, int c, size_t n)
-{
- unsigned char *d = dest;
- for (; n; n--) {
- *d++ = c;
- };
- return dest;
-}
diff --git a/lib/memsetv.c b/lib/memsetv.c
deleted file mode 100644
index 91fe6a1..0000000
--- a/lib/memsetv.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <string.h>
-
-volatile void *memsetv(volatile void *dest, int c, size_t n)
-{
- volatile unsigned char *d = dest;
- for (; n; n--) {
- *d++ = c;
- };
- return dest;
-}
diff --git a/lib/printf.c b/lib/printf.c
deleted file mode 100644
index 4a85956..0000000
--- a/lib/printf.c
+++ /dev/null
@@ -1,602 +0,0 @@
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <string.h>
-#include <stdint.h>
-
-#define PRINTF_NUMERIC_BUF_LEN 50
-
-typedef union {
- unsigned long long int u;
- signed long long int i;
- char *str;
- char c;
-} data_t;
-
-/// options that can be set inside a specifier
-/// flags, width, precision, length, and data type
-typedef struct {
- /* flags */
- /// left justify content
- uint8_t left : 1;
- /// force sign (+/-) on numeric output
- uint8_t sign : 1;
- /// leave space if no printed sign on numeric output
- uint8_t space : 1;
- /// preceed hex/octal output with '0x'
- uint8_t hash : 1;
- /// left pads numeric output with zeros
- uint8_t zero : 1;
- uint8_t : 3;
-
- /* width & precision */
- /// minimum number of characters to be printed (padding if origonal is less)
- int width;
- /// digit precision used when printing numerical answers
- int precision;
- /// if a fixed minimum width has been provided
- uint8_t width_set : 1;
- /// if the provided minimum width is in the next variable argument
- uint8_t width_varies : 1;
- /// if a fixed digit precision has been provided
- uint8_t precision_set : 1;
- /// if the provided digit precision is in the next variable argument
- uint8_t precision_varies : 1;
- uint8_t : 4;
-
- /* length */
- /// what size to read argument as
- enum printf_len {
- PRINTF_LEN_CHAR,
- PRINTF_LEN_SHORT_INT,
- PRINTF_LEN_INT,
- PRINTF_LEN_LONG_INT,
- PRINTF_LEN_LONG_LONG_INT,
- PRINTF_LEN_SIZE_T,
- } len;
-
- /* other */
- /// radix to print the numerical answers as
- uint8_t radix;
- /// case to print hexadecimal values as
- bool is_uppercase;
-} options_t;
-
-typedef struct {
- /* input */
- /// the origonal format string
- const char *format;
- /// maximum allowed output length
- size_t max_len;
- /// if a maximum output length is set
- bool has_max_len;
-
- /* output */
- size_t written_len;
- bool to_file;
- union {
- FILE *file;
- char *buf;
- } out;
-
- /* pass 2 */
- char *output;
-} context_t;
-
-static void printf_putc(context_t *ctx, char c)
-{
- // bounds check
- if (ctx->has_max_len)
- if (ctx->written_len >= ctx->max_len)
- return;
-
- // write to correct
- if (ctx->to_file)
- fputc(ctx->out.file, c);
- else
- *(ctx->out.buf++) = c;
-
- ctx->written_len++;
-}
-
-static int parse_flag(const char **res, options_t *opts)
-{
- const char *fmt = *res;
- switch (*(fmt++)) {
- case '-':
- opts->left = 1;
- break;
- case '+':
- opts->sign = 1;
- break;
- case ' ':
- opts->space = 1;
- break;
- case '#':
- opts->hash = 1;
- break;
- case '0':
- opts->zero = 1;
- break;
- default:
- return 0;
- }
-
- *res = fmt;
- return 1;
-}
-
-static void parse_width(const char **res, options_t *opts)
-{
- const char *fmt = *res;
- char *end = NULL;
-
- // check varies
- if (*fmt == '*') {
- opts->width_varies = true;
- *res = fmt++;
- return;
- }
-
- // parse num
- long width = strtol(fmt, &end, 10);
- if (end != NULL) {
- opts->width_set = 1;
- opts->width = width;
- *res = end;
- return;
- }
-}
-
-static void parse_precision(const char **res, options_t *opts)
-{
- const char *fmt = *res;
- char *end = NULL;
-
- // check for dot
- if (*(fmt++) != '.')
- return;
-
- // check varies
- if (*fmt == '*') {
- opts->precision_varies = true;
- *res = fmt++;
- return;
- }
-
- // parse num
- long precision = strtol(fmt, &end, 10);
- if (end != NULL) {
- opts->precision_set = 1;
- opts->precision = precision;
- *res = end;
- return;
- }
-}
-
-static void parse_length(const char **res, options_t *opts)
-{
- const char *fmt = *res;
-
- switch (*(fmt++)) {
- // half
- case 'h':
- if (*fmt == 'h') {
- opts->len = PRINTF_LEN_CHAR;
- fmt++;
- } else {
- opts->len = PRINTF_LEN_SHORT_INT;
- }
- break;
- // long
- case 'l':
- if (*fmt == 'l') {
- opts->len = PRINTF_LEN_LONG_LONG_INT;
- fmt++;
- } else {
- opts->len = PRINTF_LEN_LONG_INT;
- }
- break;
- // size_t
- case 'z':
- opts->len = PRINTF_LEN_SIZE_T;
- break;
- default:
- opts->len = PRINTF_LEN_INT;
- return;
- }
-
- *res = fmt;
-}
-
-static void get_radix(char spec, options_t *opts)
-{
- switch (spec) {
- case 'x':
- case 'X':
- opts->radix = 16;
- break;
- case 'o':
- opts->radix = 8;
- break;
- default:
- opts->radix = 10;
- break;
- }
-}
-
-static void get_case(char spec, options_t *opts)
-{
- if (spec == 'X')
- opts->is_uppercase = 1;
-}
-
-static char printf_itoc(int uppercase, int i)
-{
- // decimal
- if (i < 10) {
- return i + '0';
- }
- // hex
- if (uppercase) {
- return (i - 10) + 'A';
- } else {
- return (i - 10) + 'a';
- }
-}
-
-static int printf_lltoa(char *buf, options_t *opts, bool is_neg,
- unsigned long long int num)
-{
- int precision = 0;
- char *start = buf;
-
- // get width of number
- int len = 0;
- unsigned long long int temp = num;
- if (temp == 0)
- len = 1;
- while (temp) {
- if (opts->precision_set && precision++ >= opts->precision)
- break;
- temp /= opts->radix;
- len++;
- }
- precision = 0;
-
- // sign
- if (is_neg) {
- *(buf++) = '-';
- } else if (opts->sign) {
- *(buf++) = '+';
- } else if (opts->space) {
- *(buf++) = ' ';
- }
-
- // radix specifier
- if (opts->hash) {
- if (opts->radix == 8) {
- *(buf++) = '0';
- *(buf++) = 'o';
- }
- if (opts->radix == 16) {
- *(buf++) = '0';
- *(buf++) = 'x';
- }
- }
-
- // print zeros if needed
- if (opts->width_set && len < opts->width && opts->zero) {
- while (len++ < opts->width)
- *(buf++) = '0';
- }
-
- // write number
- if (num == 0) {
- *(buf++) = '0';
- }
- while (num) {
- if (opts->precision_set && precision++ >= opts->precision)
- break;
- *(buf++) = printf_itoc(opts->is_uppercase, num % opts->radix);
- num /= opts->radix;
- }
- *(buf++) = '\0';
-
- return buf - start;
-}
-
-static void handle_int_specifier(context_t *ctx, options_t *const opts,
- bool has_sign_bit, data_t num)
-{
- bool is_neg = false;
-
- // get sign if possible neg
- if (has_sign_bit) {
- if (num.i < 0) {
- num.i = -num.i;
- is_neg = true;
- }
- }
-
- // get length of number and number
- char buf[PRINTF_NUMERIC_BUF_LEN];
- int buf_len = printf_lltoa(buf, opts, is_neg, num.u);
-
- // get needed padding
- int padding = 0;
- if (opts->width_set && (buf_len < opts->width))
- padding = opts->width - buf_len;
-
- /* print */
- // left padding
- if (opts->left == 0) {
- for (int i = 0; i < padding; i++)
- printf_putc(ctx, opts->zero ? '0' : ' ');
- }
- // number
- for (int i = 0; i < buf_len; i++)
- printf_putc(ctx, buf[i]);
- // right padding
- if (opts->left == 1) {
- for (int i = 0; i < padding; i++)
- printf_putc(ctx, opts->zero ? '0' : ' ');
- }
-}
-
-static void handle_char_specifier(context_t *ctx, data_t c)
-{
- printf_putc(ctx, c.c);
-}
-
-static void handle_string_specifier(context_t *ctx, options_t *opts,
- data_t data)
-{
- char *str = data.str;
- int str_len = 0;
-
- // get length of string
- if (opts->precision_set)
- str_len = opts->precision;
- else
- str_len = strlen(str);
-
- // get needed padding
- int padding = 0;
- if (opts->width_set && (str_len < opts->width))
- padding = opts->width - str_len;
-
- /* print */
- // left padding
- if (opts->left == 0) {
- for (int i = 0; i < padding; i++)
- printf_putc(ctx, ' ');
- }
- // string
- for (int i = 0; i < str_len; i++)
- printf_putc(ctx, str[i]);
- // right padding
- if (opts->left == 1) {
- for (int i = 0; i < padding; i++)
- printf_putc(ctx, ' ');
- }
-}
-
-static void do_printf(context_t *ctx, va_list args)
-{
- const char *fmt = ctx->format;
-
- char c;
- while (c = *fmt++, c != '\0') {
- // save start of fmt for current iteration
- const char *start = fmt - 1;
-
- // ignore if not %
- if (c != '%') {
- printf_putc(ctx, c);
- continue;
- }
-
- // read opts
- options_t opts = { 0 };
- while (parse_flag(&fmt, &opts))
- ;
- parse_width(&fmt, &opts);
- parse_precision(&fmt, &opts);
- parse_length(&fmt, &opts);
-
- // read specifier
- char spec = *fmt++;
- get_radix(spec, &opts);
- get_case(spec, &opts);
-
- // read varied width / precision
- if (opts.width_varies) {
- opts.width_set = 1;
- opts.width = va_arg(args, int);
- }
- if (opts.precision_varies) {
- opts.precision_set = 1;
- opts.precision = va_arg(args, int);
- }
- // read data from args
- data_t data;
- switch (spec) {
- case 'p':
- opts.len = PRINTF_LEN_SIZE_T;
- opts.width_set = true;
- opts.radix = 16;
- opts.hash = true;
- opts.zero = true;
- case 'd':
- case 'i':
- case 'u':
- case 'o':
- case 'x':
- case 'X':
- // read number from arg
- switch (opts.len) {
- case PRINTF_LEN_CHAR:
- data.u = va_arg(args, unsigned int); // char
- break;
- case PRINTF_LEN_SHORT_INT:
- data.u = va_arg(args, unsigned int); // short int
- break;
- case PRINTF_LEN_INT:
- data.u = va_arg(args, unsigned int);
- break;
- case PRINTF_LEN_LONG_INT:
- data.u = va_arg(args, unsigned long int);
- break;
- case PRINTF_LEN_LONG_LONG_INT:
- data.u = va_arg(args, unsigned long long int);
- break;
- case PRINTF_LEN_SIZE_T:
- data.u = va_arg(args, size_t);
- break;
- }
- break;
- // end int
- case 's':
- // read string
- data.str = va_arg(args, void *);
- break;
- // end string
- case 'c':
- // read char
- data.c = va_arg(args, int);
- break;
- // end char
- }
-
- switch (spec) {
- // signed int
- case 'd':
- case 'i':
- handle_int_specifier(ctx, &opts, true, data);
- break;
- // unsigned int
- case 'p':
- case 'u':
- case 'o':
- case 'x':
- case 'X':
- handle_int_specifier(ctx, &opts, false, data);
- break;
- // character
- case 'c':
- handle_char_specifier(ctx, data);
- break;
- // string
- case 's':
- handle_string_specifier(ctx, &opts, data);
- break;
- // unknown
- default:
- // print from % to current
- for (; start < fmt; start++)
- printf_putc(ctx, *start);
- break;
- }
- }
-}
-
-void printf(const char *format, ...)
-{
- va_list args;
- va_start(args, format);
- vprintf(format, args);
- va_end(args);
-}
-
-size_t sprintf(char *restrict s, const char *format, ...)
-{
- va_list args;
- size_t amt;
- va_start(args, format);
- amt = vsprintf(s, format, args);
- va_end(args);
- return amt;
-}
-
-size_t snprintf(char *restrict s, size_t maxlen, const char *format, ...)
-{
- va_list args;
- size_t amt;
- va_start(args, format);
- amt = vsnprintf(s, maxlen, format, args);
- va_end(args);
- return amt;
-}
-
-void vprintf(const char *format, va_list args)
-{
- vfprintf(stdout, format, args);
-}
-
-size_t vsprintf(char *restrict s, const char *format, va_list args)
-{
- // create context
- context_t ctx = { 0 };
- ctx.format = format;
- // sprintf buffer
- ctx.out.buf = s;
- ctx.to_file = 0;
- // print
- do_printf(&ctx, args);
- return ctx.written_len;
-}
-
-size_t vsnprintf(char *restrict s, size_t maxlen, const char *format,
- va_list args)
-{
- // create context
- context_t ctx = { 0 };
- ctx.format = format;
- // sprintf buffer
- ctx.out.buf = s;
- ctx.to_file = 0;
- // sprintf max_len
- ctx.has_max_len = 1;
- ctx.max_len = maxlen;
- // print
- do_printf(&ctx, args);
- return ctx.written_len;
-}
-
-void fprintf(FILE *stream, const char *format, ...)
-{
- va_list args;
- va_start(args, format);
- vfprintf(stream, format, args);
- va_end(args);
-}
-
-void vfprintf(FILE *stream, const char *format, va_list args)
-{
- // create context
- context_t ctx = { 0 };
- ctx.format = format;
- // fprintf stream
- ctx.out.file = stream;
- ctx.to_file = 1;
- // print
- do_printf(&ctx, args);
-}
-
-void putc(char c)
-{
- fputc(stdout, c);
-}
-
-void puts(const char *str)
-{
- fputs(stdout, str);
-}
-
-void fputs(FILE *stream, const char *s)
-{
- while (*s)
- fputc(stream, *s++);
-}
diff --git a/lib/stpcpy.c b/lib/stpcpy.c
deleted file mode 100644
index 1586a37..0000000
--- a/lib/stpcpy.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-
-char *stpcpy(char *restrict dest, const char *restrict src)
-{
- char *d = dest;
- for (; (*d = *src); d++, src++)
- ;
- return d;
-}
diff --git a/lib/stpncpy.c b/lib/stpncpy.c
deleted file mode 100644
index 4e0def6..0000000
--- a/lib/stpncpy.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <string.h>
-
-char *stpncpy(char *restrict dest, const char *restrict src, size_t n)
-{
- char *d = dest;
- for (; (*d = *src) && n; d++, src++, n--)
- ;
- memset(d, 0, n);
- return d;
-}
diff --git a/lib/strcat.c b/lib/strcat.c
deleted file mode 100644
index 33f749b..0000000
--- a/lib/strcat.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <string.h>
-
-char *strcat(char *restrict dest, const char *restrict src)
-{
- strcpy(dest + strlen(dest), src);
- return dest;
-}
diff --git a/lib/strcpy.c b/lib/strcpy.c
deleted file mode 100644
index 70cd1ca..0000000
--- a/lib/strcpy.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-
-char *strcpy(char *restrict dest, const char *restrict src)
-{
- char *d = dest;
- for (; (*d = *src); d++, src++)
- ;
- return dest;
-}
diff --git a/lib/strlen.c b/lib/strlen.c
deleted file mode 100644
index 6c4cc86..0000000
--- a/lib/strlen.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-
-size_t strlen(const char *str)
-{
- const char *p;
- for (p = str; *p != 0; p++) {
- }
- return p - str;
-}
diff --git a/lib/strncmp.c b/lib/strncmp.c
deleted file mode 100644
index e890517..0000000
--- a/lib/strncmp.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <string.h>
-
-int strncmp(const char *restrict lhs, const char *restrict rhs, size_t n)
-{
- const unsigned char *l = (void *)lhs, *r = (void *)rhs;
- if (!n--)
- return 0;
- for (; *l && *r && n && *l == *r; l++, r++, n--)
- ;
- return *l - *r;
-}
diff --git a/lib/strncpy.c b/lib/strncpy.c
deleted file mode 100644
index 264fd9d..0000000
--- a/lib/strncpy.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <string.h>
-
-char *strncpy(char *restrict dest, const char *restrict src, size_t n)
-{
- char *d = dest;
- for (; (*d = *src) && n; d++, src++, n--)
- ;
- memset(d, 0, n);
- return dest;
-}
diff --git a/lib/strtoux.c b/lib/strtoux.c
deleted file mode 100644
index 7c2d7ee..0000000
--- a/lib/strtoux.c
+++ /dev/null
@@ -1,44 +0,0 @@
-#include <stdlib.h>
-#include <ctype.h>
-
-#define STRTOUX(name, type) \
- type name(const char *restrict s, char **restrict endptr, int radix) \
- { \
- const char *s_start = s; \
- for (; isspace(*s); s++) \
- ; \
- \
- if ((radix == 0 || radix == 16) && \
- (s[0] == '0' && (s[1] == 'x' || s[1] == 'X'))) { \
- radix = 16; \
- s += 2; \
- } else if (radix == 0) { \
- if (*s == '0') { \
- radix = 8; \
- s++; \
- } else { \
- radix = 10; \
- } \
- } \
- \
- type num = 0; \
- int has_digit = 0; \
- \
- while (1) { \
- int n = ctoi(*s++); \
- if (n < 0 || n >= radix) \
- break; \
- has_digit = 1; \
- num = num * radix + n; \
- } \
- \
- if (endptr != NULL) { \
- *endptr = has_digit ? (char *)(s - 1) : (char *)s_start; \
- } \
- \
- return num; \
- }
-
-STRTOUX(strtoui, unsigned int)
-STRTOUX(strtoul, unsigned long int)
-STRTOUX(strtoull, unsigned long long int)
diff --git a/lib/strtox.c b/lib/strtox.c
deleted file mode 100644
index 5f786f1..0000000
--- a/lib/strtox.c
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <stdlib.h>
-#include <ctype.h>
-
-#define STRTOX(name, type) \
- type name(const char *restrict s, char **restrict endptr, int radix) \
- { \
- const char *s_start = s; \
- for (; isspace(*s); s++) \
- ; \
- \
- int sign = 0; \
- switch (*s) { \
- case '-': \
- sign = 1; /* fallthrough */ \
- case '+': \
- s++; \
- break; \
- } \
- \
- if ((radix == 0 || radix == 16) && \
- (s[0] == '0' && (s[1] == 'x' || s[1] == 'X'))) { \
- radix = 16; \
- s += 2; \
- } else if (radix == 0) { \
- if (*s == '0') { \
- radix = 8; \
- s++; \
- } else { \
- radix = 10; \
- } \
- } \
- \
- type num = 0; \
- int has_digit = 0; \
- \
- while (1) { \
- int n = ctoi(*s++); \
- if (n < 0 || n >= radix) \
- break; \
- has_digit = 1; \
- num = num * radix + n; \
- } \
- \
- if (endptr != NULL) { \
- *endptr = has_digit ? (char *)(s - 1) : (char *)s_start; \
- } \
- \
- return sign ? -num : num; \
- }
-
-STRTOX(strtoi, int)
-STRTOX(strtol, long int)
-STRTOX(strtoll, long long int)
diff --git a/lib/timetostr.c b/lib/timetostr.c
deleted file mode 100644
index fa77362..0000000
--- a/lib/timetostr.c
+++ /dev/null
@@ -1,143 +0,0 @@
-#include <lib.h>
-#include <time.h>
-
-static char *ABB_WEEKDAY[7] = {
- "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
-};
-
-static char *FULL_WEEKDAY[7] = { "Sunday", "Monday", "Tuesday", "Wednesday",
- "Thursday", "Friday", "Saturady" };
-
-static char *ABB_MONTH[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
-
-static char *FULL_MONTH[12] = {
- "January", "Feburary", "March", "April", "May", "June",
- "July", "August", "September", "October", "November", "December"
-};
-
-static char *write_num(unsigned int num, unsigned int pad, char *buf, size_t n)
-{
- size_t digits = 1;
- unsigned int x = num;
-
- while (x /= 10, x > 0)
- digits++;
- if (pad == 0)
- pad = digits;
-
- for (size_t i = 0; i < pad; i++) {
- size_t digit;
- if (i >= digits) {
- digit = 0;
- } else {
- digit = num % 10;
- num /= 10;
- }
-
- if (pad - i - 1 >= n)
- continue;
- buf[pad - i - 1] = '0' + digit;
- }
-
- if (pad > n)
- pad = n;
-
- return buf + pad;
-}
-
-void timetostr(time_t *time, char *format, char *buf, size_t n)
-{
- char *index = buf;
- char c;
- int space;
-
- while (c = *format++, space = (buf + n) - index, c != '\0' && space > 0) {
- if (c != '%') {
- *index++ = c;
- continue;
- } else {
- c = *format++;
- }
-
- switch (c) {
- case '%':
- *index++ = '%';
- break;
- case 'a':
- index = strncpy(index, ABB_WEEKDAY[time->wday], space);
- break;
- case 'A':
- index = strncpy(index, FULL_WEEKDAY[time->wday], space);
- break;
- case 'b':
- case 'h':
- index = strncpy(index, ABB_MONTH[time->mon], space);
- break;
- case 'B':
- index = strncpy(index, FULL_MONTH[time->mon], space);
- break;
- case 'C':
- index = write_num(time->cen, 0, index, space);
- break;
- case 'd':
- index = write_num(time->mday, 2, index, space);
- break;
- case 'H':
- index = write_num(time->hour, 2, index, space);
- break;
- case 'I':
- index = write_num((time->hour + 12) % 12 + 1, 2, index, space);
- break;
- case 'j':
- index = write_num(time->yday, 3, index, space);
- break;
- case 'm':
- index = write_num(time->mon + 1, 2, index, space);
- break;
- case 'M':
- index = write_num(time->min, 2, index, space);
- break;
- case 'n':
- *index++ = '\n';
- break;
- case 'p':
- index = strncpy(index, time->hour > 11 ? "PM" : "AM", space);
- break;
- case 'P':
- index = strncpy(index, time->hour > 11 ? "pm" : "am", space);
- break;
- case 'q':
- index = write_num((time->mon + 3) / 3, 0, index, space);
- break;
- case 'S':
- index = write_num(time->sec, 2, index, space);
- break;
- case 't':
- *index++ = '\t';
- break;
- case 'u':
- index = write_num(((time->wday + 1) % 7) + 1, 0, index, space);
- break;
- case 'w':
- index = write_num(time->wday, 0, index, space);
- break;
- case 'y':
- index = write_num(time->yn, 2, index, space);
- break;
- case 'Y':
- index = write_num(time->year + 1900, 0, index, space);
- break;
- default: {
- char b[3] = { '%', c, '\0' };
- index = strncpy(index, b, space);
- break;
- }
- }
- }
-
- if (space < 1)
- buf[n - 1] = '\0';
- else
- *index = '\0';
-}
diff --git a/lib/uxtoa.c b/lib/uxtoa.c
deleted file mode 100644
index 8d4e0e1..0000000
--- a/lib/uxtoa.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <stdlib.h>
-
-#define UXTOA(type, name) \
- char *name(unsigned type n, char *buffer, int radix) \
- { \
- if (n == 0) { \
- buffer[0] = '0'; \
- buffer[1] = '\0'; \
- return buffer + 1; \
- } \
- char *start = buffer; \
- for (; n; n /= radix) { \
- *buffer++ = itoc(n % radix); \
- } \
- char *buf_end = buffer; \
- *buffer-- = '\0'; \
- while (buffer > start) { \
- char tmp = *start; \
- *start++ = *buffer; \
- *buffer-- = tmp; \
- } \
- return buf_end; \
- }
-
-UXTOA(int, utoa)
-UXTOA(long int, ultoa)
-UXTOA(long long int, ulltoa)
diff --git a/lib/xtoa.c b/lib/xtoa.c
deleted file mode 100644
index bf02236..0000000
--- a/lib/xtoa.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <stdlib.h>
-
-#define XTOA(type, name) \
- char *name(type n, char *buffer, int radix) \
- { \
- if (n == 0) { \
- buffer[0] = '0'; \
- buffer[1] = '\0'; \
- return buffer + 1; \
- } \
- if (n < 0) { \
- *buffer++ = '-'; \
- n = -n; \
- } \
- char *start = buffer; \
- for (; n; n /= radix) { \
- *buffer++ = itoc(n % radix); \
- } \
- char *buf_end = buffer; \
- *buffer-- = '\0'; \
- while (buffer > start) { \
- char tmp = *start; \
- *start++ = *buffer; \
- *buffer-- = tmp; \
- } \
- return buf_end; \
- }
-
-XTOA(int, itoa)
-XTOA(long int, ltoa)
-XTOA(long long int, lltoa)
generated by cgit v1.2.3-freya (git 2.51.0) at 2025-09-23 20:53:44 +0000