X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Flib.c;h=cfbae0f01918afe9f053d134449c1bec9fc3176e;hb=077a1c5d962b20dee54c6b31c8f37d2fe79105ad;hp=bfae2a41da89df0f7d920ef7cbef8b278bd407ef;hpb=bf7d1cd5635d41bd7c58bf99c61cdc670291c543;p=tpg%2Facess2.git diff --git a/Kernel/lib.c b/Kernel/lib.c index bfae2a41..cfbae0f0 100644 --- a/Kernel/lib.c +++ b/Kernel/lib.c @@ -14,7 +14,55 @@ const short DAYS_BEFORE[] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 3 #define UNIX_TO_2K ((30*365*3600*24) + (7*3600*24)) //Normal years + leap years // === PROTOTYPES === + int atoi(const char *string); +void itoa(char *buf, Uint num, int base, int minLength, char pad); + int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args); + int sprintf(char *__s, const char *__format, ...); + int tolower(int c); + int strucmp(const char *Str1, const char *Str2); + int strpos(const char *Str, char Ch); + Uint8 ByteSum(void *Ptr, int Size); +size_t strlen(const char *__s); +char *strcpy(char *__str1, const char *__str2); +char *strncpy(char *__str1, const char *__str2, size_t max); + int strcmp(const char *str1, const char *str2); + int strncmp(const char *str1, const char *str2, size_t num); +char *strdup(const char *Str); + int DivUp(int num, int dem); + int strpos8(const char *str, Uint32 Search); int ReadUTF8(Uint8 *str, Uint32 *Val); + int WriteUTF8(Uint8 *str, Uint32 Val); +Sint64 timestamp(int sec, int mins, int hrs, int day, int month, int year); +Uint rand(void); + int CheckString(char *String); + int CheckMem(void *Mem, int NumBytes); + int ModUtil_LookupString(char **Array, char *Needle); + int ModUtil_SetIdent(char *Dest, char *Value); + +// === EXPORTS === +EXPORT(atoi); +EXPORT(itoa); +EXPORT(vsnprintf); +EXPORT(sprintf); +EXPORT(tolower); +EXPORT(strucmp); +EXPORT(strpos); +EXPORT(ByteSum); +EXPORT(strlen); +EXPORT(strcpy); +EXPORT(strncpy); +EXPORT(strcmp); +EXPORT(strncmp); +EXPORT(strdup); +EXPORT(DivUp); +EXPORT(strpos8); +EXPORT(ReadUTF8); +EXPORT(WriteUTF8); +EXPORT(timestamp); +EXPORT(CheckString); +EXPORT(CheckMem); +EXPORT(ModUtil_LookupString); +EXPORT(ModUtil_SetIdent); // === GLOBALS === static Uint giRandomState = RANDOM_SEED; @@ -26,9 +74,16 @@ static Uint giRandomState = RANDOM_SEED; int atoi(const char *string) { int ret = 0; + int bNeg = 0; + + //Log("atoi: (string='%s')", string); // Clear non-numeric characters - while( !('0' <= *string && *string <= '9') ) string++; + while( !('0' <= *string && *string <= '9') && *string != '-' ) string++; + if( *string == '-' ) { + bNeg = 1; + while( !('0' <= *string && *string <= '9') ) string++; + } if(*string == '0') { @@ -37,32 +92,34 @@ int atoi(const char *string) { // Hex string ++; - for( ;; ) { - ret *= 16; - if('0' <= *string && *string <= '9') + for( ;; string ++ ) + { + if('0' <= *string && *string <= '9') { + ret *= 16; ret += *string - '0'; - else if('A' <= *string && *string <= 'F') + } + else if('A' <= *string && *string <= 'F') { + ret *= 16; ret += *string - 'A' + 10; - else if('a' <= *string && *string <= 'f') + } + else if('a' <= *string && *string <= 'f') { + ret *= 16; ret += *string - 'a' + 10; + } else break; - string ++; } } - else + else // Octal { - for( ;; ) + for( ; '0' <= *string && *string <= '7'; string ++ ) { ret *= 8; - if('0' <= *string && *string <= '7') - ret += *string - '0'; - else - break; + ret += *string - '0'; } } } - else + else // Decimal { for( ; '0' <= *string && *string <= '9'; string++) { @@ -70,6 +127,11 @@ int atoi(const char *string) ret += *string - '0'; } } + + if(bNeg) ret = -ret; + + //Log("atoi: RETURN %i", ret); + return ret; } @@ -108,7 +170,14 @@ void itoa(char *buf, Uint num, int base, int minLength, char pad) buf[i] = 0; } -#define PUTCH(c) do{if(pos==__maxlen)break;if(__s){__s[pos++]=(c);}else{pos++;}}while(0) +/** + * \brief Append a character the the vsnprintf output + */ +#define PUTCH(c) do{\ + char ch=(c);\ + if(pos==__maxlen){return pos;}\ + if(__s){__s[pos++]=ch;}else{pos++;}\ + }while(0) int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) { char c, pad = ' '; @@ -118,6 +187,10 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) int isLongLong = 0; Uint64 val; size_t pos = 0; + // Flags + // int bPadLeft = 0; + + //Log("vsnprintf: (__s=%p, __maxlen=%i, __format='%s', ...)", __s, __maxlen, __format); while((c = *__format++) != 0) { @@ -125,6 +198,7 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) if(c != '%') { PUTCH(c); continue; } c = *__format++; + //Log("pos = %i", pos); // Literal % if(c == '%') { PUTCH('%'); continue; } @@ -140,6 +214,7 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) // Get Argument val = va_arg(args, Uint); + //Log("val = %x", val); // - Padding if(c == '0') { @@ -210,6 +285,7 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) case 's': p = (char*)(Uint)val; printString: + //Log("p = '%s'", p); if(!p) p = "(null)"; while(*p) PUTCH(*p++); break; @@ -230,7 +306,6 @@ int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args) if(__s && pos != __maxlen) __s[pos] = '\0'; - return pos; } @@ -539,7 +614,7 @@ Sint64 timestamp(int sec, int mins, int hrs, int day, int month, int year) * \brief Pseudo random number generator * \note Unknown effectiveness (made up on the spot) */ -Uint rand() +Uint rand(void) { Uint old = giRandomState; // Get the next state value @@ -636,17 +711,3 @@ int ModUtil_SetIdent(char *Dest, char *Value) strncpy(Dest, Value, 32); return 1; } - -EXPORT(strlen); -EXPORT(strdup); -EXPORT(strcmp); -EXPORT(strncmp); -EXPORT(strcpy); -EXPORT(strncpy); - -EXPORT(timestamp); -EXPORT(ReadUTF8); -EXPORT(CheckMem); -EXPORT(CheckString); -EXPORT(ModUtil_LookupString); -EXPORT(ModUtil_SetIdent);