X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Flibc.c;h=751497cde5139d9a2bcd470c34c2f041a9038100;hb=d974878ee8bdb568b6c13219495dcfba35e57eaf;hp=c6ada1e9472da0eabc4a34b2fd54e37abbdb64b7;hpb=ea9d1d431975689850697591ff6f470038764e29;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/libc.c b/KernelLand/Kernel/libc.c index c6ada1e9..751497cd 100644 --- a/KernelLand/Kernel/libc.c +++ b/KernelLand/Kernel/libc.c @@ -16,6 +16,10 @@ // === PROTOTYPES === #if 0 +unsigned long long strtoull(const char *str, char **end, int base); +unsigned long strtoul(const char *str, char **end, int base); +signed long long strtoll(const char *str, char **end, int base); +signed long strtol(const char *str, char **end, int base); int atoi(const char *string); int ParseInt(const char *string, int *Val); void itoa(char *buf, Uint64 num, int base, int minLength, char pad); @@ -49,6 +53,7 @@ EXPORT(tolower); EXPORT(strucmp); EXPORT(strchr); +EXPORT(strrchr); EXPORT(strpos); EXPORT(strlen); EXPORT(strcpy); @@ -66,15 +71,10 @@ EXPORT(CheckString); EXPORT(CheckMem); // === CODE === -/** - * \brief Convert a string into an integer - */ -int atoi(const char *string) -{ - int ret = 0; - ParseInt(string, &ret); - return ret; -} +// - Import userland stroi.c file +#define _LIB_H_ +#include "../../Usermode/Libraries/libc.so_src/strtoi.c" + int ParseInt(const char *string, int *Val) { int ret = 0; @@ -183,7 +183,14 @@ void itoa(char *buf, Uint64 num, int base, int minLength, char pad) /** * \brief Append a character the the vsnprintf output */ -#define PUTCH(c) _putch(c) +#define PUTCH(ch) do { \ + if(pos < __maxlen) { \ + if(__s) __s[pos] = ch; \ + } else { \ + (void)ch;\ + } \ + pos ++; \ + } while(0) #define GETVAL() do {\ if(isLongLong) val = va_arg(args, Uint64);\ else val = va_arg(args, unsigned int);\ @@ -202,17 +209,6 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) size_t pos = 0; // Flags int bPadLeft = 0; - - auto void _putch(char ch); - - void _putch(char ch) - { - if(pos < __maxlen) - { - if(__s) __s[pos] = ch; - } - pos ++; - } while((c = *__format++) != 0) { @@ -229,8 +225,14 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) if(c == 'p') { Uint ptr = va_arg(args, Uint); PUTCH('*'); PUTCH('0'); PUTCH('x'); - for( len = BITS/4; len --; ) - PUTCH( cUCDIGITS[ (ptr>>(len*4))&15 ] ); + for( len = BITS/4; len -- && ((ptr>>(len*4))&15) == 0; ) + ; + len ++; + if( len == 0 ) + PUTCH( '0' ); + else + while( len -- ) + PUTCH( cUCDIGITS[ (ptr>>(len*4))&15 ] ); continue ; } @@ -360,7 +362,7 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) if(!p) p = "(null)"; len = strlen(p); if( !bPadLeft ) while(len++ < minSize) PUTCH(pad); - while(*p && precision--) PUTCH(*p++); + while(*p && precision--) { PUTCH(*p); p++;} if( bPadLeft ) while(len++ < minSize) PUTCH(pad); break; @@ -368,7 +370,10 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) p = va_arg(args, char*); if( !CheckMem(p, minSize) ) continue; // No #PFs please if(!p) goto printString; - while(minSize--) PUTCH(*p++); + while(minSize--) { + PUTCH(*p); + p ++; + } break; // Single Character @@ -484,7 +489,7 @@ int isspace(int c) } int isupper(int c) { - return ('a' <= c && c <= 'z'); + return ('A' <= c && c <= 'Z'); } int isxdigit(int c) { @@ -529,6 +534,15 @@ char *strchr(const char *__s, int __c) return NULL; } +char *strrchr(const char *__s, int __c) +{ + size_t ofs = strlen(__s); + while(--ofs && __s[ofs] != __c); + if( __s[ofs] == __c ) + return (char*)__s + ofs; + return NULL; +} + /** * \fn int strpos(const char *Str, char Ch) * \brief Search a string for an ascii character @@ -688,7 +702,6 @@ int rand(void) void *memmove(void *__dest, const void *__src, size_t len) { - size_t block_size; char *dest = __dest; const char *src = __src; void *ret = __dest; @@ -705,6 +718,8 @@ void *memmove(void *__dest, const void *__src, size_t len) if( (tVAddr)dest < (tVAddr)src ) return memcpy(dest, src, len); + #if 0 + size_t block_size; if( (tVAddr)dest < (tVAddr)src ) block_size = (tVAddr)src - (tVAddr)dest; else @@ -721,10 +736,18 @@ void *memmove(void *__dest, const void *__src, size_t len) } memcpy(dest, src, len); return ret; + #else + for( int i = len; i--; ) + { + dest[i] = src[i]; + } + return ret; + #endif } -// NOTE: Strictly not libc, but lib.c is used by userland code too +// NOTE: Strictly not libc, but lib.c is used by userland code too and hence these two +// can't be in it. /** * \name Memory Validation * \{ @@ -739,7 +762,7 @@ int CheckString(const char *String) addr = (tVAddr)String; - if( !MM_GetPhysAddr( addr ) ) + if( !MM_GetPhysAddr( (void*)addr ) ) return 0; // Check 1st page @@ -751,7 +774,7 @@ int CheckString(const char *String) { if(bUser && !MM_IsUser(addr) ) return 0; - if(!bUser && !MM_GetPhysAddr(addr) ) + if(!bUser && !MM_GetPhysAddr((void*)addr) ) return 0; } addr ++;