diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/Makefile | 8 | ||||
| -rw-r--r-- | string/basename.c | 7 | ||||
| -rw-r--r-- | string/string.h | 3 | ||||
| -rw-r--r-- | string/strverscmp.c | 111 | ||||
| -rw-r--r-- | string/tester.c | 76 | ||||
| -rw-r--r-- | string/tst-strlen.c | 2 | ||||
| -rw-r--r-- | string/tst-svc.c | 45 | ||||
| -rw-r--r-- | string/tst-svc.expect | 26 | ||||
| -rw-r--r-- | string/tst-svc.input | 26 |
9 files changed, 300 insertions, 4 deletions
diff --git a/string/Makefile b/string/Makefile index 8f35f207f6..6704dbf4e0 100644 --- a/string/Makefile +++ b/string/Makefile @@ -24,7 +24,7 @@ subdir := string headers := string.h strings.h memory.h endian.h bytesex.h \ argz.h envz.h -routines := strcat strchr strcmp strcoll strcpy strcspn \ +routines := strcat strchr strcmp strcoll strcpy strcspn strverscmp \ strdup strndup \ strerror _strerror strerror_r strlen strnlen \ strncat strncmp strncpy \ @@ -40,7 +40,8 @@ routines := strcat strchr strcmp strcoll strcpy strcspn \ envz basename \ strcoll_l strxfrm_l -tests := tester testcopy test-ffs tst-strlen stratcliff +tests := tester testcopy test-ffs tst-strlen stratcliff \ + tst-svc distribute := memcopy.h pagecopy.h @@ -50,3 +51,6 @@ tester-ENV = LANGUAGE=C CFLAGS-tester.c = -fno-builtin CFLAGS-tst-strlen.c = -fno-builtin CFLAGS-stratcliff.c = -fno-builtin + +tests: $(objpfx)tst-svc.out + cmp tst-svc.expect $(objpfx)tst-svc.out diff --git a/string/basename.c b/string/basename.c index 4f06843aeb..f24e0ac1b4 100644 --- a/string/basename.c +++ b/string/basename.c @@ -17,10 +17,15 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + #include <string.h> char * -basename (const char *filename) +basename (filename) + const char *filename; { char *p = strrchr (filename, '/'); return p ? p + 1 : (char *) filename; diff --git a/string/string.h b/string/string.h index 7a6ad1235f..4a79dcecc2 100644 --- a/string/string.h +++ b/string/string.h @@ -241,6 +241,9 @@ extern char *strsep __P ((char **__stringp, __const char *__delim)); #endif #ifdef __USE_GNU +/* Compare S1 and S2 as strings holding name & indices/version numbers. */ +extern int strverscmp __P ((__const char *__s1, __const char *__s2)); + /* Return a string describing the meaning of the signal number in SIG. */ extern char *strsignal __P ((int __sig)); diff --git a/string/strverscmp.c b/string/strverscmp.c new file mode 100644 index 0000000000..388df75dfd --- /dev/null +++ b/string/strverscmp.c @@ -0,0 +1,111 @@ +/* Compare strings while treating digits characters numerically. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <string.h> +#include <ctype.h> + +/* states: S_N: normal, S_I: comparing integral part, S_F: comparing + Fractionnal parts, S_Z: idem but with leading Zeroes only */ +#define S_N 0x0 +#define S_I 0x4 +#define S_F 0x8 +#define S_Z 0xC + +/* result_type: CMP: return diff; LEN: compare using len_diff/diff */ +#define CMP 2 +#define LEN 3 + + +/* Compare S1 and S2 as strings holding indices/version numbers, + returning less than, equal to or greater than zero if S1 is less than, + equal to or greater than S2 (for more info, see the texinfo doc). +*/ + +int +strverscmp (s1, s2) + const char *s1; + const char *s2; +{ + const unsigned char *p1 = (const unsigned char *) s1; + const unsigned char *p2 = (const unsigned char *) s2; + unsigned char c1, c2; + int state; + int diff; + + /* Symbol(s) 0 [1-9] others (padding) + Transition (10) 0 (01) d (00) x (11) - */ + static const unsigned int next_state[] = + { + /* state x d 0 - */ + /* S_N */ S_N, S_I, S_Z, S_N, + /* S_I */ S_N, S_I, S_I, S_I, + /* S_F */ S_N, S_F, S_F, S_F, + /* S_Z */ S_N, S_F, S_Z, S_Z + }; + + static const int result_type[] = + { + /* state x/x x/d x/0 x/- d/x d/d d/0 d/- + 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */ + + /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, + /* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP, + +1, LEN, LEN, CMP, CMP, CMP, CMP, CMP, + /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, + /* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP, + -1, CMP, CMP, CMP + }; + + if (p1 == p2) + return 0; + + c1 = *p1++; + c2 = *p2++; + /* Hint: '0' is a digit too. */ + state = S_N | (c1 == '0') + (isdigit (c1) != 0); + + while ((diff = c1 - c2) == 0 && c1 != '\0') + { + state = next_state[state]; + c1 = *p1++; + c2 = *p2++; + state |= (c1 == '0') + (isdigit (c1) != 0); + } + + state = result_type[state << 2 | ((c2 == '0') + (isdigit (c2) != 0))]; + + switch (state) + { + case CMP: + return diff; + + case LEN: + while (isdigit (*p1++)) + if (!isdigit (*p2++)) + return 1; + + return isdigit (*p2) ? -1 : diff; + + default: + return state; + } +} diff --git a/string/tester.c b/string/tester.c index b815539737..dcd7342ba3 100644 --- a/string/tester.c +++ b/string/tester.c @@ -1,3 +1,6 @@ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif #include <ansidecl.h> #include <errno.h> #include <stdio.h> @@ -28,6 +31,7 @@ DEFUN(check, (thing, number), int thing AND int number) } /* Complain if first two args don't strcmp as equal. */ +void equal(CONST char *a, CONST char *b, int number); void DEFUN(equal, (a, b, number), CONST char *a AND CONST char *b AND int number) { @@ -54,6 +58,41 @@ DEFUN(main, (argc, argv), int argc AND char **argv) check(strcmp("a\203", "a") > 0, 8); /* Tricky if char signed. */ check(strcmp("a\203", "a\003") > 0, 9); + { + char buf1[0x40], buf2[0x40]; + int i, j; + for (i=0; i < 0x10; i++) + for (j = 0; j < 0x10; j++) + { + int k; + for (k = 0; k < 0x3f; k++) + { + buf1[j] = '0' ^ (k & 4); + buf2[j] = '4' ^ (k & 4); + } + buf1[i] = buf1[0x3f] = 0; + buf2[j] = buf2[0x3f] = 0; + for (k = 0; k < 0xf; k++) + { + int cnum = 0x10+0x10*k+0x100*j+0x1000*i; + check(strcmp(buf1+i,buf2+j) == 0, cnum); + buf1[i+k] = 'A' + i + k; + buf1[i+k+1] = 0; + check(strcmp(buf1+i,buf2+j) > 0, cnum+1); + check(strcmp(buf2+j,buf1+i) < 0, cnum+2); + buf2[j+k] = 'B' + i + k; + buf2[j+k+1] = 0; + check(strcmp(buf1+i,buf2+j) < 0, cnum+3); + check(strcmp(buf2+j,buf1+i) > 0, cnum+4); + buf2[j+k] = 'A' + i + k; + buf1[i] = 'A' + i + 0x80; + check(strcmp(buf1+i,buf2+j) > 0, cnum+5); + check(strcmp(buf2+j,buf1+i) < 0, cnum+6); + buf1[i] = 'A' + i; + } + } + } + /* Test strcpy next because we need it to set up other tests. */ it = "strcpy"; check(strcpy(one, "abcd") == one, 1); /* Returned value. */ @@ -672,6 +711,43 @@ DEFUN(main, (argc, argv), int argc AND char **argv) (void) memset(one+2, 010045, 1); equal(one, "ax\045xe", 6); /* Unsigned char convert. */ + /* Test for more complex versions of memset, for all alignments and + lengths up to 256. This test takes a little while, perhaps it should + be made weaker? */ + { + char data[512]; + int i; + int j; + int k; + int c; + + for (i = 0; i < 512; i++) + data[i] = 'x'; + for (c = 0; c <= 'y'; c += 'y') /* check for memset(,0,) and + memset(,'y',) */ + for (j = 0; j < 256; j++) + for (i = 0; i < 256; i++) + { + memset(data+i,c,j); + for (k = 0; k < i; k++) + if (data[k] != 'x') + goto fail; + for (k = i; k < i+j; k++) + { + if (data[k] != c) + goto fail; + data[k] = 'x'; + } + for (k = i+j; k < 512; k++) + if (data[k] != 'x') + goto fail; + continue; + + fail: + check(0,7+i+j*256+(c != 0)*256*256); + } + } + /* bcopy - much like memcpy. Berklix manual is silent about overlap, so don't test it. */ it = "bcopy"; diff --git a/string/tst-strlen.c b/string/tst-strlen.c index b9efe1da29..4acd4045f5 100644 --- a/string/tst-strlen.c +++ b/string/tst-strlen.c @@ -34,7 +34,7 @@ main(int argc, char *argv[]) return 1; } } - } + } } return 0; } diff --git a/string/tst-svc.c b/string/tst-svc.c new file mode 100644 index 0000000000..c6add5b4b1 --- /dev/null +++ b/string/tst-svc.c @@ -0,0 +1,45 @@ +/* Test for strverscmp() */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#define MAX_STRINGS 256 +#define MAX_LINE_SIZE 32 + +int +compare (const void *p1, const void *p2) +{ + return strverscmp (*((char **) p1), *((char **) p2)); +} + +int +main (int argc, char *argv[]) +{ + char line[MAX_LINE_SIZE + 1]; + char *str[MAX_STRINGS]; + int count = 0; + int i, n; + + while (count < MAX_STRINGS && fgets (line, MAX_LINE_SIZE, stdin) != NULL) + { + n = strlen (line) - 1; + + if (line[n] == '\n') + line[n] = '\0'; + + str[count] = strdup (line); + + if (str[count] == NULL) + exit (EXIT_FAILURE); + + ++count; + } + + qsort (str, count, sizeof (char *), compare); + + for (i = 0; i < count; ++i) + puts (str[i]); + + exit (EXIT_SUCCESS); +} diff --git a/string/tst-svc.expect b/string/tst-svc.expect new file mode 100644 index 0000000000..f906c4fc0b --- /dev/null +++ b/string/tst-svc.expect @@ -0,0 +1,26 @@ +000 +001 +00 +00a +01 +01a +0 +0a +20 +21 +22 +212 +foo +foo-0.4 +foo-0.4a +foo-0.4b +foo-0.5 +foo-0.10.5 +foo-3.01 +foo-3.0 +foo-3.0.0 +foo-3.0.1 +foo-3.2 +foo-3.10 +foo00 +foo0 diff --git a/string/tst-svc.input b/string/tst-svc.input new file mode 100644 index 0000000000..b80ee82b07 --- /dev/null +++ b/string/tst-svc.input @@ -0,0 +1,26 @@ +0a +00 +0 +01 +001 +01a +00a +000 +20 +212 +21 +22 +foo0 +foo00 +foo-0.4 +foo-3.0 +foo +foo-3.0.0 +foo-3.0.1 +foo-0.5 +foo-0.4b +foo-3.10 +foo-3.2 +foo-3.01 +foo-0.4a +foo-0.10.5 |