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[/] [or1k_old/] [trunk/] [linux/] [uClibc/] [ldso/] [include/] [ld_string.h] - Blame information for rev 1765

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Line No. Rev Author Line
1 1325 phoenix
#ifndef _LINUX_STRING_H_
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#define _LINUX_STRING_H_
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extern void *_dl_malloc(int size);
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extern char *_dl_getenv(const char *symbol, char **envp);
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extern void _dl_unsetenv(const char *symbol, char **envp);
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extern char *_dl_strdup(const char *string);
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extern void _dl_dprintf(int, const char *, ...);
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static size_t _dl_strlen(const char * str);
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static char *_dl_strcat(char *dst, const char *src);
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static char * _dl_strcpy(char * dst,const char *src);
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static int _dl_strcmp(const char * s1,const char * s2);
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static int _dl_strncmp(const char * s1,const char * s2,size_t len);
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static char * _dl_strchr(const char * str,int c);
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static char *_dl_strrchr(const char *str, int c);
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static char *_dl_strstr(const char *s1, const char *s2);
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static void * _dl_memcpy(void * dst, const void * src, size_t len);
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static int _dl_memcmp(const void * s1,const void * s2,size_t len);
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static void *_dl_memset(void * str,int c,size_t len);
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static char *_dl_get_last_path_component(char *path);
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static char *_dl_simple_ltoa(char * local, unsigned long i);
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static char *_dl_simple_ltoahex(char * local, unsigned long i);
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#ifndef NULL
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#define NULL ((void *) 0)
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#endif
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static inline size_t _dl_strlen(const char * str)
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{
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        register char *ptr = (char *) str;
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        while (*ptr)
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                ptr++;
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        return (ptr - str);
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}
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static inline char *_dl_strcat(char *dst, const char *src)
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{
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        register char *ptr = dst;
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        while (*ptr)
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                ptr++;
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        while (*src)
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                *ptr++ = *src++;
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        *ptr = '\0';
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        return dst;
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}
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static inline char * _dl_strcpy(char * dst,const char *src)
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{
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        register char *ptr = dst;
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        while (*src)
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                *dst++ = *src++;
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        *dst = '\0';
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        return ptr;
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}
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static inline int _dl_strcmp(const char * s1,const char * s2)
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{
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        register unsigned char c1, c2;
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        do {
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                c1 = (unsigned char) *s1++;
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                c2 = (unsigned char) *s2++;
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                if (c1 == '\0')
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                        return c1 - c2;
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        }
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        while (c1 == c2);
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        return c1 - c2;
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}
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static inline int _dl_strncmp(const char * s1,const char * s2,size_t len)
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{
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        register unsigned char c1 = '\0';
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        register unsigned char c2 = '\0';
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        while (len > 0) {
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                c1 = (unsigned char) *s1++;
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                c2 = (unsigned char) *s2++;
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                if (c1 == '\0' || c1 != c2)
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                        return c1 - c2;
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                len--;
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        }
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        return c1 - c2;
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}
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static inline char * _dl_strchr(const char * str,int c)
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{
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        register char ch;
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        do {
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                if ((ch = *str) == c)
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                        return (char *) str;
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                str++;
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        }
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        while (ch);
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        return 0;
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}
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static inline char *_dl_strrchr(const char *str, int c)
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{
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    register char *prev = 0;
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    register char *ptr = (char *) str;
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    while (*ptr != '\0') {
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        if (*ptr == c)
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            prev = ptr;
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        ptr++;
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    }
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    if (c == '\0')
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        return(ptr);
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    return(prev);
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}
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static inline char *_dl_strstr(const char *s1, const char *s2)
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{
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    register const char *s = s1;
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    register const char *p = s2;
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    do {
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        if (!*p) {
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            return (char *) s1;;
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        }
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        if (*p == *s) {
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            ++p;
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            ++s;
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        } else {
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            p = s2;
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            if (!*s) {
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              return NULL;
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            }
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            s = ++s1;
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        }
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    } while (1);
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}
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static inline void * _dl_memcpy(void * dst, const void * src, size_t len)
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{
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        register char *a = dst;
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        register const char *b = src;
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        while (len--)
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                *a++ = *b++;
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        return dst;
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}
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static inline int _dl_memcmp(const void * s1,const void * s2,size_t len)
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{
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        unsigned char *c1 = (unsigned char *)s1;
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        unsigned char *c2 = (unsigned char *)s2;
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        while (len--) {
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                if (*c1 != *c2)
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                        return *c1 - *c2;
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                c1++;
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                c2++;
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        }
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        return 0;
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}
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static inline void * _dl_memset(void * str,int c,size_t len)
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{
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        register char *a = str;
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        while (len--)
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                *a++ = c;
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        return str;
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}
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static inline char *_dl_get_last_path_component(char *path)
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{
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        char *s;
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        register char *ptr = path;
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        register char *prev = 0;
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        while (*ptr)
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                ptr++;
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        s = ptr - 1;
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        /* strip trailing slashes */
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        while (s != path && *s == '/') {
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                *s-- = '\0';
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        }
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        /* find last component */
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        ptr = path;
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        while (*ptr != '\0') {
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            if (*ptr == '/')
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                prev = ptr;
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            ptr++;
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        }
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        s = prev;
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        if (s == NULL || s[1] == '\0')
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                return path;
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        else
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                return s+1;
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}
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/* Early on, we can't call printf, so use this to print out
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 * numbers using the SEND_STDERR() macro */
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static inline char *_dl_simple_ltoa(char * local, unsigned long i)
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{
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        /* 21 digits plus null terminator, good for 64-bit or smaller ints */
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        char *p = &local[22];
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        *p-- = '\0';
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        do {
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                *p-- = '0' + i % 10;
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                i /= 10;
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        } while (i > 0);
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        return p + 1;
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}
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static inline char *_dl_simple_ltoahex(char * local, unsigned long i)
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{
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        /* 21 digits plus null terminator, good for 64-bit or smaller ints */
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        char *p = &local[22];
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        *p-- = '\0';
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        do {
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                char temp = i % 0x10;
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                if (temp <= 0x09)
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                    *p-- = '0' + temp;
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                else
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                    *p-- = 'a' - 0x0a + temp;
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                i /= 0x10;
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        } while (i > 0);
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        *p-- = 'x';
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        *p-- = '0';
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        return p + 1;
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}
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#if defined(mc68000) || defined(__arm__) || defined(__mips__) || defined(__sh__) ||  defined(__powerpc__)
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/* On some arches constant strings are referenced through the GOT. */
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/* XXX Requires load_addr to be defined. */
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#define SEND_STDERR(X)                          \
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  { const char *__s = (X);                      \
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    if (__s < (const char *) load_addr) __s += load_addr;       \
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    _dl_write (2, __s, _dl_strlen (__s));       \
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  }
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#else
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#define SEND_STDERR(X) _dl_write(2, X, _dl_strlen(X));
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#endif
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#define SEND_ADDRESS_STDERR(X, add_a_newline) { \
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    char tmp[22], *tmp1; \
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    _dl_memset(tmp, 0, sizeof(tmp)); \
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    tmp1=_dl_simple_ltoahex( tmp, (unsigned long)(X)); \
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    _dl_write(2, tmp1, _dl_strlen(tmp1)); \
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    if (add_a_newline) { \
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        tmp[0]='\n'; \
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        _dl_write(2, tmp, 1); \
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    } \
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};
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#define SEND_NUMBER_STDERR(X, add_a_newline) { \
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    char tmp[22], *tmp1; \
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    _dl_memset(tmp, 0, sizeof(tmp)); \
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    tmp1=_dl_simple_ltoa( tmp, (unsigned long)(X)); \
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    _dl_write(2, tmp1, _dl_strlen(tmp1)); \
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    if (add_a_newline) { \
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        tmp[0]='\n'; \
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        _dl_write(2, tmp, 1); \
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    } \
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};
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#endif

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