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mirror of https://github.com/samba-team/samba.git synced 2025-03-08 04:58:40 +03:00

Merge fixes and tests for jra's broken strstr_m() function from 3.0

STF rules!  (Pity we don't use it for more stuff)

Andrew Bartlett
(This used to be commit a9363b45b0ef652a5fd621915fafb97ada0c7d5e)
This commit is contained in:
Andrew Bartlett 2004-03-09 11:42:58 +00:00
parent fe5801d065
commit 6100210db9
4 changed files with 102 additions and 8 deletions

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@ -1218,6 +1218,9 @@ bin/tdbdump@EXEEXT@: $(TDBDUMP_OBJ) bin/.dummy
bin/t_strcmp@EXEEXT@: bin/libbigballofmud.@SHLIBEXT@ torture/t_strcmp.o
$(CC) $(FLAGS) -o $@ $(LIBS) torture/t_strcmp.o -L ./bin -lbigballofmud
bin/t_strstr@EXEEXT@: bin/libbigballofmud.@SHLIBEXT@ torture/t_strstr.o
$(CC) $(FLAGS) -o $@ $(LIBS) torture/t_strstr.o -L ./bin -lbigballofmud
bin/t_stringoverflow@EXEEXT@: bin/libbigballofmud.@SHLIBEXT@ torture/t_stringoverflow.o
$(CC) $(FLAGS) -o $@ torture/t_stringoverflow.o -L./bin -lbigballofmud
@ -1511,4 +1514,4 @@ check: check-programs
# These are called by the test suite and need to be built before
# running it. For the time being we don't build all of BIN_PROGS,
# because they're not all needed.
check-programs: bin/t_strcmp bin/t_push_ucs2 bin/smbcontrol bin/t_snprintf
check-programs: bin/t_strcmp bin/t_strstr bin/t_push_ucs2 bin/smbcontrol bin/t_snprintf

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@ -1306,6 +1306,14 @@ char *strstr_m(const char *src, const char *findstr)
char *s2;
char *retp;
size_t findstr_len = 0;
size_t find_w_len;
/* for correctness */
if (!findstr[0]) {
return src;
}
/* Samba does single character findstr calls a *lot*. */
if (findstr[1] == '\0')
return strchr_m(src, *findstr);
@ -1316,7 +1324,10 @@ char *strstr_m(const char *src, const char *findstr)
for (s = src; *s && !(((unsigned char)s[0]) & 0x80); s++) {
if (*s == *findstr) {
if (strcmp(s, findstr) == 0) {
if (!findstr_len)
findstr_len = strlen(findstr);
if (strncmp(s, findstr, findstr_len) == 0) {
return (char *)s;
}
}
@ -1325,7 +1336,9 @@ char *strstr_m(const char *src, const char *findstr)
if (!*s)
return NULL;
#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
#if 1 /* def BROKEN_UNICODE_COMPOSE_CHARACTERS */
/* 'make check' fails unless we do this */
/* With compose characters we must restart from the beginning. JRA. */
s = src;
#endif
@ -1340,16 +1353,15 @@ char *strstr_m(const char *src, const char *findstr)
DEBUG(0,("strstr_m: find malloc fail\n"));
return NULL;
}
for (p = src_w; (p = strchr_w(p, *find_w)) != NULL; p++) {
if (strcmp_w(p, find_w) == 0)
break;
}
p = strstr_w(src_w, find_w);
if (!p) {
SAFE_FREE(src_w);
SAFE_FREE(find_w);
return NULL;
}
*p = 0;
if (pull_ucs2_allocate(&s2, src_w) == (size_t)-1) {
SAFE_FREE(src_w);

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@ -94,8 +94,52 @@ class StrCaseCmp(comfychair.TestCase):
for a, b, expect in cases:
self.run_strcmp(a, b, expect)
class strstr_m(comfychair.TestCase):
"""String comparisons in simple ASCII"""
def run_strstr(self, a, b, expect):
out, err = self.runcmd('t_strstr \"%s\" \"%s\"' % (a.encode('utf-8'), b.encode('utf-8')))
if (out != (expect + '\n').encode('utf-8')):
self.fail("comparison failed:\n"
" a=%s\n"
" b=%s\n"
" expected=%s\n"
" result=%s\n" % (`a`, `b`, `expect+'\n'`, `out`))
def runtest(self):
# A, B, strstr_m(A, B)
cases = [('hello', 'hello', 'hello'),
('hello', 'goodbye', '(null)'),
('goodbye', 'hello', '(null)'),
('hell', 'hello', '(null)'),
('hello', 'hell', 'hello'),
('', '', ''),
('a', '', 'a'),
('', 'a', '(null)'),
('a', 'A', '(null)'),
('aa', 'aA', '(null)'),
('Aa', 'aa', '(null)'),
('%v foo', '%v', '%v foo'),
('foo %v foo', '%v', '%v foo'),
('foo %v', '%v', '%v'),
('longstring ' * 100, 'longstring ' * 99, 'longstring ' * 100),
('longstring ' * 99, 'longstring ' * 100, '(null)'),
('longstring a' * 99, 'longstring ' * 100 + 'a', '(null)'),
('longstring ' * 100 + 'a', 'longstring ' * 100, 'longstring ' * 100 + 'a'),
(KATAKANA_LETTER_A, KATAKANA_LETTER_A + 'bcd', '(null)'),
(KATAKANA_LETTER_A + 'bcde', KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcde'),
('d'+KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcd'),
('d'+KATAKANA_LETTER_A + 'bd', KATAKANA_LETTER_A + 'bcd', '(null)'),
('e'+KATAKANA_LETTER_A + 'bcdf', KATAKANA_LETTER_A + 'bcd', KATAKANA_LETTER_A + 'bcdf'),
(KATAKANA_LETTER_A, KATAKANA_LETTER_A + 'bcd', '(null)'),
(KATAKANA_LETTER_A*3, 'a', '(null)'),
]
for a, b, expect in cases:
self.run_strstr(a, b, expect)
# Define the tests exported by this module
tests = [StrCaseCmp,
strstr_m,
PushUCS2_Tests]
# Handle execution of this file as a main program

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@ -0,0 +1,35 @@
/*
* Copyright (C) 2003 by Martin Pool
*
* Test harness for strstr_m
*/
#include "includes.h"
int main(int argc, char *argv[])
{
int i;
int iters = 1;
char *ret;
/* Needed to initialize character set */
lp_load("/dev/null", True, False, False);
if (argc < 3) {
fprintf(stderr, "usage: %s STRING1 STRING2 [ITERS]\n"
"Compares two strings, prints the results of strstr_m\n",
argv[0]);
return 2;
}
if (argc >= 4)
iters = atoi(argv[3]);
for (i = 0; i < iters; i++) {
ret = strstr_m(argv[1], argv[2]);
}
printf("%s\n", ret);
return 0;
}