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Ignore whitespace Rev 1718 → Rev 1719

/uspace/trunk/libc/generic/string.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup libc
/** @addtogroup libc
* @{
*/
/** @file
41,48 → 41,52
 
/* Dummy implementation of mem/ functions */
 
void * memset(void *s, int c, size_t n)
void *memset(void *s, int c, size_t n)
{
char *os = s;
while (n--)
*(os++) = c;
return s;
}
 
struct along {unsigned long n; } __attribute__ ((packed));
struct along {
unsigned long n;
} __attribute__ ((packed));
 
static void * unaligned_memcpy(void *dst, const void *src, size_t n)
static void *unaligned_memcpy(void *dst, const void *src, size_t n)
{
int i, j;
struct along *adst = dst;
const struct along *asrc = src;
 
for (i = 0; i < n/sizeof(unsigned long); i++)
for (i = 0; i < n / sizeof(unsigned long); i++)
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];
for (j = 0; j < n % sizeof(unsigned long); j++)
((unsigned char *) (((unsigned long *) dst) + i))[j] = ((unsigned char *) (((unsigned long *) src) + i))[j];
return (char *)src;
return (char *) src;
}
 
void * memcpy(void *dst, const void *src, size_t n)
void *memcpy(void *dst, const void *src, size_t n)
{
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++)
for (i = 0; i < n / sizeof(unsigned long); i++)
((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];
for (j = 0; j < n % sizeof(unsigned long); j++)
((unsigned char *) (((unsigned long *) dst) + i))[j] = ((unsigned char *) (((unsigned long *) src) + i))[j];
return (char *)src;
return (char *) src;
}
 
void * memmove(void *dst, const void *src, size_t n)
void *memmove(void *dst, const void *src, size_t n)
{
int i, j;
89,13 → 93,13
if (src > dst)
return memcpy(dst, src, n);
 
for (j = (n%sizeof(unsigned long))-1; j >= 0; j--)
((unsigned char *)(((unsigned long *) dst) + i))[j] = ((unsigned char *)(((unsigned long *) src) + i))[j];
for (j = (n % sizeof(unsigned long)) - 1; j >= 0; j--)
((unsigned char *) ((unsigned long *) dst))[j] = ((unsigned char *) ((unsigned long *) src))[j];
 
for (i = n/sizeof(unsigned long)-1; i >=0 ; i--)
for (i = n / sizeof(unsigned long) - 1; i >=0 ; i--)
((unsigned long *) dst)[i] = ((unsigned long *) src)[i];
return (char *)src;
return (char *) src;
}
 
 
107,25 → 111,24
{
size_t counter = 0;
 
while (str[counter] != 0) {
while (str[counter] != 0)
counter++;
}
 
return counter;
}
 
int strcmp(const char *a,const char *b)
int strcmp(const char *a, const char *b)
{
int c=0;
int c = 0;
while(a[c]&&b[c]&&(!(a[c]-b[c]))) c++;
while (a[c] && b[c] && (!(a[c] - b[c])))
c++;
return a[c]-b[c];
return (a[c] - b[c]);
}
 
 
 
/** Return pointer to the first occurence of character c in string
* @param str scanned string
* @param c searched character (taken as one byte)
134,8 → 137,8
char *strchr(const char *str, int c)
{
while (*str != '\0') {
if (*str == (char)c)
return (char *)str;
if (*str == (char) c)
return (char *) str;
str++;
}
 
152,12 → 155,12
char *retval = NULL;
 
while (*str != '\0') {
if (*str == (char)c)
retval = (char *)str;
if (*str == (char) c)
retval = (char *) str;
str++;
}
 
return (char *)retval;
return (char *) retval;
}
 
/** Convert string to a number.
209,7 → 212,7
 
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;
}
235,7 → 238,7
}
if (endptr)
*endptr = (char *)str;
*endptr = (char *) str;
 
if (nptr == str) {
/*FIXME: errno = EINVAL*/
263,15 → 266,15
number = _strtoul(nptr, endptr, base, &sgn);
 
if (number > LONG_MAX) {
if ((sgn) && (number == (unsigned long)(LONG_MAX) + 1)) {
if ((sgn) && (number == (unsigned long) (LONG_MAX) + 1)) {
/* FIXME: set 0 to errno */
return number;
}
/* FIXME: set ERANGE to errno */
return (sgn?LONG_MIN:LONG_MAX);
return (sgn ? LONG_MIN : LONG_MAX);
}
return (sgn?-number:number);
return (sgn ? -number : number);
}
 
 
292,23 → 295,25
number = _strtoul(nptr, endptr, base, &sgn);
 
return (sgn?-number:number);
return (sgn ? -number : number);
}
 
char *strcpy(char *dest, const char *src)
{
while (*(dest++) = *(src++))
;
char *orig = dest;
while ((*(dest++) = *(src++)));
return orig;
}
 
char *strncpy(char *dest, const char *src, size_t n)
{
while ((*(dest++) = *(src++)) && --n)
;
char *orig = dest;
while ((*(dest++) = *(src++)) && --n);
return orig;
}
 
 
/** @}
/** @}
*/