66,7 → 66,8 |
adst[i].n = asrc[i].n; |
|
for (j = 0; j < n % sizeof(unsigned long); j++) |
((unsigned char *) (((unsigned long *) dst) + i))[j] = ((unsigned char *) (((unsigned long *) src) + i))[j]; |
((unsigned char *) (((unsigned long *) dst) + i))[j] = |
((unsigned char *) (((unsigned long *) src) + i))[j]; |
|
return (char *) src; |
} |
75,7 → 76,8 |
{ |
int i, j; |
|
if (((long) dst & (sizeof(long) - 1)) || ((long) src & (sizeof(long) - 1))) |
if (((long) dst & (sizeof(long) - 1)) || |
((long) src & (sizeof(long) - 1))) |
return unaligned_memcpy(dst, src, n); |
|
for (i = 0; i < n / sizeof(unsigned long); i++) |
82,7 → 84,8 |
((unsigned long *) dst)[i] = ((unsigned long *) src)[i]; |
|
for (j = 0; j < n % sizeof(unsigned long); j++) |
((unsigned char *) (((unsigned long *) dst) + i))[j] = ((unsigned char *) (((unsigned long *) src) + i))[j]; |
((unsigned char *) (((unsigned long *) dst) + i))[j] = |
((unsigned char *) (((unsigned long *) src) + i))[j]; |
|
return (char *) src; |
} |
95,7 → 98,8 |
return memcpy(dst, src, n); |
|
for (j = (n % sizeof(unsigned long)) - 1; j >= 0; j--) |
((unsigned char *) ((unsigned long *) dst))[j] = ((unsigned char *) ((unsigned long *) src))[j]; |
((unsigned char *) ((unsigned long *) dst))[j] = |
((unsigned char *) ((unsigned long *) src))[j]; |
|
for (i = n / sizeof(unsigned long) - 1; i >=0 ; i--) |
((unsigned long *) dst)[i] = ((unsigned long *) src)[i]; |
107,10 → 111,10 |
* |
* @param s1 Pointer to the first area to compare. |
* @param s2 Pointer to the second area to compare. |
* @param len Size of the first area in bytes. Both areas must have the same |
* length. |
* @return If len is 0, return zero. If the areas match, return zero. |
* Otherwise return non-zero. |
* @param len Size of the first area in bytes. Both areas must have |
* the same length. |
* @return If len is 0, return zero. If the areas match, return |
* zero. Otherwise return non-zero. |
*/ |
int bcmp(const char *s1, const char *s2, size_t len) |
{ |
120,8 → 124,9 |
} |
|
/** Count the number of characters in the string, not including terminating 0. |
* @param str string |
* @return number of characters in string. |
* |
* @param str String. |
* @return Number of characters in string. |
*/ |
size_t strlen(const char *str) |
{ |
155,10 → 160,12 |
|
} |
|
/** Return pointer to the first occurence of character c in string |
* @param str scanned string |
* @param c searched character (taken as one byte) |
* @return pointer to the matched character or NULL if it is not found in given string. |
/** Return pointer to the first occurence of character c in string. |
* |
* @param str Scanned string. |
* @param c Searched character (taken as one byte). |
* @return Pointer to the matched character or NULL if it is not |
* found in given string. |
*/ |
char *strchr(const char *str, int c) |
{ |
171,10 → 178,12 |
return NULL; |
} |
|
/** Return pointer to the last occurence of character c in string |
* @param str scanned string |
* @param c searched character (taken as one byte) |
* @return pointer to the matched character or NULL if it is not found in given string. |
/** Return pointer to the last occurence of character c in string. |
* |
* @param str Scanned string. |
* @param c Searched character (taken as one byte). |
* @return Pointer to the matched character or NULL if it is not |
* found in given string. |
*/ |
char *strrchr(const char *str, int c) |
{ |
191,13 → 200,16 |
|
/** Convert string to a number. |
* Core of strtol and strtoul functions. |
* @param nptr pointer to string |
* @param endptr if not NULL, function stores here pointer to the first invalid character |
* @param base zero or number between 2 and 36 inclusive |
* @param sgn its set to 1 if minus found |
* @return result of conversion. |
* |
* @param nptr Pointer to string. |
* @param endptr If not NULL, function stores here pointer to the first |
* invalid character. |
* @param base Zero or number between 2 and 36 inclusive. |
* @param sgn It's set to 1 if minus found. |
* @return Result of conversion. |
*/ |
static unsigned long _strtoul(const char *nptr, char **endptr, int base, char *sgn) |
static unsigned long |
_strtoul(const char *nptr, char **endptr, int base, char *sgn) |
{ |
unsigned char c; |
unsigned long result = 0; |
219,7 → 231,8 |
/* FIXME: set errno to EINVAL */ |
return 0; |
} |
if ((base == 16) && (*str == '0') && ((str[1] == 'x') || (str[1] == 'X'))) { |
if ((base == 16) && (*str == '0') && ((str[1] == 'x') || |
(str[1] == 'X'))) { |
str += 2; |
} |
} else { |
238,7 → 251,8 |
|
while (*str) { |
c = *str; |
c = (c >= 'a' ? c - 'a' + 10 : (c >= 'A' ? c - 'A' + 10 : (c <= '9' ? c - '0' : 0xff))); |
c = (c >= 'a' ? c - 'a' + 10 : (c >= 'A' ? c - 'A' + 10 : |
(c <= '9' ? c - '0' : 0xff))); |
if (c > base) { |
break; |
} |
257,7 → 271,10 |
} |
|
if (str == tmpptr) { |
/* no number was found => first invalid character is the first character of the string */ |
/* |
* No number was found => first invalid character is the first |
* character of the string. |
*/ |
/* FIXME: set errno to EINVAL */ |
str = nptr; |
result = 0; |
275,14 → 292,17 |
} |
|
/** Convert initial part of string to long int according to given base. |
* The number may begin with an arbitrary number of whitespaces followed by optional sign (`+' or `-'). |
* If the base is 0 or 16, the prefix `0x' may be inserted and the number will be taken as hexadecimal one. |
* If the base is 0 and the number begin with a zero, number will be taken as octal one (as with base 8). |
* Otherwise the base 0 is taken as decimal. |
* @param nptr pointer to string |
* @param endptr if not NULL, function stores here pointer to the first invalid character |
* @param base zero or number between 2 and 36 inclusive |
* @return result of conversion. |
* The number may begin with an arbitrary number of whitespaces followed by |
* optional sign (`+' or `-'). If the base is 0 or 16, the prefix `0x' may be |
* inserted and the number will be taken as hexadecimal one. If the base is 0 |
* and the number begin with a zero, number will be taken as octal one (as with |
* base 8). Otherwise the base 0 is taken as decimal. |
* |
* @param nptr Pointer to string. |
* @param endptr If not NULL, function stores here pointer to the first |
* invalid character. |
* @param base Zero or number between 2 and 36 inclusive. |
* @return Result of conversion. |
*/ |
long int strtol(const char *nptr, char **endptr, int base) |
{ |
305,14 → 325,17 |
|
|
/** Convert initial part of string to unsigned long according to given base. |
* The number may begin with an arbitrary number of whitespaces followed by optional sign (`+' or `-'). |
* If the base is 0 or 16, the prefix `0x' may be inserted and the number will be taken as hexadecimal one. |
* If the base is 0 and the number begin with a zero, number will be taken as octal one (as with base 8). |
* Otherwise the base 0 is taken as decimal. |
* @param nptr pointer to string |
* @param endptr if not NULL, function stores here pointer to the first invalid character |
* @param base zero or number between 2 and 36 inclusive |
* @return result of conversion. |
* The number may begin with an arbitrary number of whitespaces followed by |
* optional sign (`+' or `-'). If the base is 0 or 16, the prefix `0x' may be |
* inserted and the number will be taken as hexadecimal one. If the base is 0 |
* and the number begin with a zero, number will be taken as octal one (as with |
* base 8). Otherwise the base 0 is taken as decimal. |
* |
* @param nptr Pointer to string. |
* @param endptr If not NULL, function stores here pointer to the first |
* invalid character |
* @param base Zero or number between 2 and 36 inclusive. |
* @return Result of conversion. |
*/ |
unsigned long strtoul(const char *nptr, char **endptr, int base) |
{ |