1 files changed, 0 insertions, 124 deletions
diff --git a/lib/libc-headless/stdio/sprintf.c b/lib/libc-headless/stdio/sprintf.c
deleted file mode 100644
index dd78572..0000000
--- a/lib/libc-headless/stdio/sprintf.c
+++ /dev/null
@@ -1,124 +0,0 @@
-#include <stdio.h>
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <ctype.h>
-
-#define VSNPRINTF_PUTC(c) if(size > written) str[written++] = c; else written++
-
-int
-vsnprintf(char *restrict str, size_t size, const char *restrict format, va_list ap)
-{
-    int written = 0;
-    for(int fmti = 0; format[fmti] != 0; fmti++) {
-        char fmtc = format[fmti];
-        if(fmtc != '%') {
-            VSNPRINTF_PUTC(fmtc);
-            continue;
-        }
-
-        /* Flags */
-        bool alternate = false;
-        bool zeropad = false;
-        bool leftadj = false;
-        bool signspace = false;
-        bool showplus = false;
-        fmtc = format[++fmti];
-        
-        switch(fmtc) {
-            case '#': alternate = true; fmti++; break;
-            case '0': zeropad = true; fmti++; break;
-            case '-': leftadj = true; fmti++; break;
-            case ' ': signspace = true; fmti++; break;
-            case '+': showplus = true; fmti++; break;
-            default: break;
-        }
-
-        /* Field width. */
-        fmtc = format[fmti];
-        //TODO: Implement field width
-
-        /* Precision. */
-        fmtc = format[fmti];
-        //TODO: Implement precision
-    
-        /* Length modifier */
-        fmtc = format[fmti];
-        //TODO: Implement length modifier.
-
-        /* Conversion specifier. */
-        bool is_signed = true;
-        bool is_caps = false;
-        int radix = 10;
-        fmtc = format[fmti];
-        switch(fmtc)
-        {
-            case 'X':
-                is_caps = true;
-            case 'x':
-                radix = 16;
-            case 'u':
-                is_signed = false;
-            case 'd':
-            case 'i':
-                goto conversion_int;
-           case 'p':
-                alternate = true;
-                radix = 16;
-                is_signed = false;
-                is_caps = true;
-                goto conversion_int;
-            case '%':
-                VSNPRINTF_PUTC('%');
-                break;
-        }
-        continue;
-
-conversion_int:
-        {
-            uintmax_t value = va_arg(ap, uintmax_t);
-            bool negative = is_signed && (intmax_t)value < 0;
-            if(negative) value = (uintmax_t)(-(intmax_t)value);
-            size_t numc = 0;
-
-            /*Count the number of characters to put in the buffer to represent
-             * the value in ASCII.*/
-            for(uintmax_t v = value; v != 0; v /= radix, numc++);
-            if(numc == 0) numc++;
-
-            /* Reserve space for alternate repersentation.*/
-            if(showplus && !negative) { VSNPRINTF_PUTC('+'); }
-            if(negative) { VSNPRINTF_PUTC('-'); }
-            if(signspace && !negative) { VSNPRINTF_PUTC(' '); }
-            if(alternate) {
-                VSNPRINTF_PUTC('0');
-                if(radix == 16) {
-                    VSNPRINTF_PUTC('x');
-                }
-                if(alternate && radix == 2) {
-                    VSNPRINTF_PUTC('b');
-                }
-            }
-
-            /* Try to put characters into the buffer*/
-            if(value == 0) {
-                VSNPRINTF_PUTC('0');
-            }
-            else {
-                for(uintmax_t v = value, i = numc - 1; v != 0; v /= radix, i--) {
-                    if(written + i >= size) continue;
-                    int digit = v % radix;
-                    char c = digit >= 10 ? (digit + 'a' - 10) : (digit + '0');
-                    if(is_caps) c = toupper(c);
-                    str[written + i] = c;
-                }
-                written += numc;
-            }
-            continue;
-        }
-    }
-    VSNPRINTF_PUTC(0);
-    return written - 1;
-}
-
-