mirror of
https://github.com/rkd77/elinks.git
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165 lines
3.6 KiB
C
165 lines
3.6 KiB
C
#ifndef EL__OSDEP_STUB_H
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#define EL__OSDEP_STUB_H
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#include <ctype.h>
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#include <string.h>
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#if 0
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#ifdef CONFIG_DEBUG
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#define CONFIG_OWN_LIBC
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#endif
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#endif
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#ifdef CONFIG_OWN_LIBC
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#undef HAVE_BCOPY /* prevent using bcopy() stub for memmove() */
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#undef HAVE_ISDIGIT
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#undef HAVE_MEMMOVE
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#undef HAVE_MEMPCPY
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#undef HAVE_RAISE
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#undef HAVE_STPCPY
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#undef HAVE_STRCASECMP
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#undef HAVE_STRCASESTR
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#undef HAVE_STRDUP
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#undef HAVE_STRERROR
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#undef HAVE_STRNCASECMP
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#undef HAVE_STRSTR
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#undef HAVE_INET_NTOP
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#endif /* CONFIG_OWN_LIBC */
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/* These stubs are exception to our "Use (unsigned char *)!" rule. This is
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* because the stubbed functions are defined using (char *), and we could get
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* in trouble with this. Or when you use (foo ? strstr() : strcasestr()) and
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* one of these is system and another stub, we're in trouble and get "Pointer
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* type mismatch in conditional expression", game over. */
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/** strchr() */
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#ifndef HAVE_STRCHR
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#ifdef HAVE_INDEX /* for old BSD systems. */
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#undef strchr
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#define strchr(a, b) index(a, b)
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#undef strrchr
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#define strrchr(a, b) rindex(a, b)
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#else /* ! HAVE_INDEX */
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# error You have neither strchr() nor index() function. Please go upgrade your system.
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#endif /* HAVE_INDEX */
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#endif /* HAVE_STRCHR */
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#ifndef HAVE_ISDIGIT
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#undef isdigit
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#define isdigit(a) elinks_isdigit(a)
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inline int elinks_isdigit(int);
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#endif
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/** strerror() */
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#ifndef HAVE_STRERROR
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#undef strerror
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#define strerror(e) elinks_strerror(e)
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const char *elinks_strerror(int);
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#endif
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/** strstr() */
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#ifndef HAVE_STRSTR
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#undef strstr
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#define strstr(a, b) elinks_strstr(a, b)
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char *elinks_strstr(const char *, const char *);
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#endif
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/** memmove() */
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#ifndef HAVE_MEMMOVE
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#ifdef HAVE_BCOPY
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# define memmove(dst, src, n) bcopy(src, dst, n)
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#else
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#undef memmove
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#define memmove(dst, src, n) elinks_memmove(dst, src, n)
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inline void *elinks_memmove(void *, const void *, size_t);
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#endif
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#endif
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/** strcasecmp() */
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#ifndef HAVE_STRCASECMP
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#undef strcasecmp
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#define strcasecmp(a, b) elinks_strcasecmp(a, b)
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int elinks_strcasecmp(const char *, const char *);
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#endif
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/** strncasecmp() */
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#ifndef HAVE_STRNCASECMP
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#undef strncasecmp
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#define strncasecmp(a, b, l) elinks_strncasecmp(a, b, l)
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int elinks_strncasecmp(const char *, const char *, size_t);
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#endif
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/** strcasestr() */
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#ifndef HAVE_STRCASESTR
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#undef strcasestr
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#define strcasestr(a, b) elinks_strcasestr(a, b)
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char *elinks_strcasestr(const char *, const char *);
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#endif
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/** strdup() */
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#ifndef HAVE_STRDUP
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#undef strdup
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#define strdup(s) elinks_strdup(s)
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char *elinks_strdup(const char *);
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#endif
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/* stpcpy() */
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#ifndef HAVE_STPCPY
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#undef stpcpy
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#define stpcpy(d, s) elinks_stpcpy(d, s)
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char *elinks_stpcpy(char *, const char *);
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#endif
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/* mempcpy() */
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#ifndef HAVE_MEMPCPY
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#undef mempcpy
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#define mempcpy(dest, src, n) elinks_mempcpy(dest, src, n)
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void *elinks_mempcpy(void *, const void *, size_t);
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#endif
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/* memrchr() */
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#ifndef HAVE_MEMRCHR
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#undef memrchr
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#define memrchr(src, c, n) elinks_memrchr(src, c, n)
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void *elinks_memrchr(const void *s, int c, size_t n);
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#endif
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/* raise() */
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#ifndef HAVE_RAISE
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#undef raise
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#define raise(signal) elinks_raise(signal)
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int elinks_raise(int signal);
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#endif
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/* inet_ntop() */
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#ifndef HAVE_INET_NTOP
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#undef inet_ntop
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#define inet_ntop(af, src, dst, size) elinks_inet_ntop(af, src, dst, size)
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const char *elinks_inet_ntop(int af, const void *src, char *dst, size_t size);
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#endif
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/* Silence various sparse warnings. */
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#ifndef __builtin_stpcpy
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extern char *__builtin_stpcpy(char *dest, const char *src);
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#endif
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#ifndef __builtin_mempcpy
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extern void *__builtin_mempcpy(void *dest, const void *src, size_t n);
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#endif
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#if 0
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#ifndef __builtin_va_copy
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#define __builtin_va_copy(dest, src) do { dest = src; } while (0)
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#endif
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#endif
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#endif
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