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string: Cosmetic cleanup of string functions
Clean up string functions that do not have a version in gnulib on the assumption that glibc is the canonical upstream copy of this code. basename has a copy in gnulib but it is largely written to handle Windows paths so merging it is not really viable. The changes mostly consist of switching to ANSI function prototypes and removing unused includes. As many of these functions do not get built in a typical build due to architecture optimized versions being used instead I built these by hand to verify there were no build warnings and the code was identical. 2014-04-07 Will Newton <will.newton@linaro.org> * string/basename.c [HAVE_CONFIG_H]: Remove #ifdef and and contents. [!_LIBC] Remove #ifndef and contents. (basename): Use ANSI prototype. [_LIBC] Remove #idef. * string/memccpy.c (__memccpy): Use ANSI prototype. * string/memfrob.c (memfrob): Likewise. * string/strcoll.c (STRCOLL): Likewise. * string/strlen.c (strlen): Likewise. * string/strtok.c (STRTOK): Likewise. * string/strcat.c: Remove unused #include of memcopy.h. (strcat): Use ANSI prototype. * string/strchr.c: Remove unused #include of memcopy.h. (strchr): Use ANSI prototype. * string/strcmp.c: Remove unused #include of memcopy.h. (strcmp): Use ANSI prototype. * string/strcpy.c: Remove unused #include of memcopy.h. (strcpy): Use ANSI prototype.
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ChangeLog
19
ChangeLog
@ -1,3 +1,22 @@
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2014-04-07 Will Newton <will.newton@linaro.org>
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* string/basename.c [HAVE_CONFIG_H]: Remove #ifdef and
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and contents. [!_LIBC] Remove #ifndef and contents.
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(basename): Use ANSI prototype. [_LIBC] Remove #idef.
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* string/memccpy.c (__memccpy): Use ANSI prototype.
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* string/memfrob.c (memfrob): Likewise.
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* string/strcoll.c (STRCOLL): Likewise.
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* string/strlen.c (strlen): Likewise.
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* string/strtok.c (STRTOK): Likewise.
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* string/strcat.c: Remove unused #include of memcopy.h.
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(strcat): Use ANSI prototype.
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* string/strchr.c: Remove unused #include of memcopy.h.
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(strchr): Use ANSI prototype.
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* string/strcmp.c: Remove unused #include of memcopy.h.
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(strcmp): Use ANSI prototype.
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* string/strcpy.c: Remove unused #include of memcopy.h.
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(strcpy): Use ANSI prototype.
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2014-04-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* Makeconfig (CPPFLAGS): Add config-extra-cppflags to list.
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@ -16,26 +16,12 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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#ifndef _LIBC
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/* We cannot generally use the name `basename' since XPG defines an unusable
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variant of the function but we cannot use it. */
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# define basename gnu_basename
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#endif
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char *
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basename (filename)
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const char *filename;
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basename (const char *filename)
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{
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char *p = strrchr (filename, '/');
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return p ? p + 1 : (char *) filename;
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}
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#ifdef _LIBC
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libc_hidden_def (basename)
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#endif
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@ -24,11 +24,7 @@
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Return the position in DEST one byte past where C was copied, or
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NULL if C was not found in the first N bytes of SRC. */
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void *
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__memccpy (dest, src, c, n)
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void *dest;
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const void *src;
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int c;
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size_t n;
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__memccpy (void *dest, const void *src, int c, size_t n)
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{
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const char *s = src;
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char *d = dest;
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@ -18,9 +18,7 @@
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#include <string.h>
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void *
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memfrob (s, n)
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void *s;
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size_t n;
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memfrob (void *s, size_t n)
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{
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char *p = (char *) s;
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@ -16,15 +16,12 @@
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<http://www.gnu.org/licenses/>. */
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#include <string.h>
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#include <memcopy.h>
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#undef strcat
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/* Append SRC on the end of DEST. */
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char *
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strcat (dest, src)
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char *dest;
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const char *src;
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strcat (char *dest, const char *src)
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{
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char *s1 = dest;
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const char *s2 = src;
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@ -21,16 +21,13 @@
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<http://www.gnu.org/licenses/>. */
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#include <string.h>
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#include <memcopy.h>
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#include <stdlib.h>
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#undef strchr
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/* Find the first occurrence of C in S. */
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char *
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strchr (s, c_in)
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const char *s;
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int c_in;
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strchr (const char *s, int c_in)
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{
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const unsigned char *char_ptr;
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const unsigned long int *longword_ptr;
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<http://www.gnu.org/licenses/>. */
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#include <string.h>
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#include <memcopy.h>
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#undef strcmp
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@ -24,9 +23,7 @@
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greater than zero if S1 is lexicographically less than,
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equal to or greater than S2. */
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int
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strcmp (p1, p2)
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const char *p1;
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const char *p2;
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strcmp (const char *p1, const char *p2)
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{
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const unsigned char *s1 = (const unsigned char *) p1;
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const unsigned char *s2 = (const unsigned char *) p2;
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int
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STRCOLL (s1, s2)
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const STRING_TYPE *s1;
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const STRING_TYPE *s2;
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STRCOLL (const STRING_TYPE *s1, const STRING_TYPE *s2)
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{
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return STRCOLL_L (s1, s2, _NL_CURRENT_LOCALE);
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}
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#include <stddef.h>
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#include <string.h>
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#include <memcopy.h>
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#undef strcpy
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/* Copy SRC to DEST. */
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char *
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strcpy (dest, src)
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char *dest;
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const char *src;
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strcpy (char *dest, const char *src)
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{
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char c;
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char *s = (char *) src;
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/* Return the length of the null-terminated string STR. Scan for
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the null terminator quickly by testing four bytes at a time. */
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size_t
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strlen (str)
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const char *str;
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strlen (const char *str)
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{
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const char *char_ptr;
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const unsigned long int *longword_ptr;
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@ -36,9 +36,7 @@ static char *olds;
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// s = "abc\0=-def\0"
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*/
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char *
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STRTOK (s, delim)
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char *s;
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const char *delim;
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STRTOK (char *s, const char *delim)
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{
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char *token;
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