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-rwxr-xr-xposix/transbug.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/posix/transbug.c b/posix/transbug.c
new file mode 100755
index 0000000..8bfbe8f
--- /dev/null
+++ b/posix/transbug.c
@@ -0,0 +1,139 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <locale.h>
+#include <regex.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* lowercase chars mapped to uppercase */
+static const char casetable[] = {
+ '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
+ '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
+ '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
+ '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
+ /* ' ' '!' '"' '#' '$' '%' '&' ''' */
+ '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
+ /* '(' ')' '*' '+' ',' '-' '.' '/' */
+ '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
+ /* '0' '1' '2' '3' '4' '5' '6' '7' */
+ '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
+ /* '8' '9' ':' ';' '<' '=' '>' '?' */
+ '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
+ /* '@' 'A' 'B' 'C' 'D' 'E' 'F' 'G' */
+ '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
+ /* 'H' 'I' 'J' 'K' 'L' 'M' 'N' 'O' */
+ '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
+ /* 'P' 'Q' 'R' 'S' 'T' 'U' 'V' 'W' */
+ '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
+ /* 'X' 'Y' 'Z' '[' '\' ']' '^' '_' */
+ '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
+ /* '`' 'a' 'b' 'c' 'd' 'e' 'f' 'g' */
+ '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
+ /* 'h' 'i' 'j' 'k' 'l' 'm' 'n' 'o' */
+ '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
+ /* 'p' 'q' 'r' 's' 't' 'u' 'v' 'w' */
+ '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
+ /* 'x' 'y' 'z' '{' '|' '}' '~' */
+ '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
+
+ /* Latin 1: */
+ '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
+ '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
+ '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
+ '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
+ '\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
+ '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
+ '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
+ '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
+ '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
+ '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
+ '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\327',
+ '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
+ '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
+ '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
+ '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
+ '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
+};
+
+
+static int
+run_test (const char *pattern, struct re_registers *regs)
+{
+ static char text[] = "1111AAAA2222bbbb";
+
+ struct re_pattern_buffer pat;
+
+ const char *err;
+ int res;
+ int start2;
+
+ memset (&pat, '\0', sizeof (pat));
+ memset (regs, '\0', 2 * sizeof (regs[0]));
+ pat.allocated = 0; /* regex will allocate the buffer */
+ pat.fastmap = (char *) malloc (256);
+ if (pat.fastmap == NULL)
+ {
+ puts ("out of memory");
+ exit (1);
+ }
+
+ pat.translate = (char *) casetable;
+
+ err = re_compile_pattern (pattern, strlen (pattern), &pat);
+ if (err != NULL)
+ {
+ fprintf (stderr, "/%s/: %s\n", pattern, err);
+ exit (1);
+ }
+ res = re_search (&pat, text, strlen (text), 0, strlen (text), &regs[0]);
+ if (res < 0)
+ printf ("search 1: res = %d\n", res);
+ else
+ printf ("search 1: res = %d, start = %d, end = %d\n",
+ res, regs[0].start[0], regs[0].end[0]);
+
+ if (regs[0].end == NULL)
+ start2 = 8;
+ else
+ start2 = regs[0].end[0] + 1;
+ regs[1] = regs[0];
+ res = re_search (&pat, text, strlen (text), start2, strlen (text), &regs[1]);
+ if (res < 0)
+ printf ("search 2: res = %d\n", res);
+ else
+ printf ("search 2: res = %d, start = %d, end = %d\n",
+ res, regs[1].start[0], regs[1].end[0]);
+
+ return 0;
+}
+
+
+static int
+do_test (void)
+{
+ static const char lower[] = "[[:lower:]]+";
+ static const char upper[] = "[[:upper:]]+";
+ struct re_registers regs[4];
+
+ setlocale (LC_ALL, "C");
+
+ (void) re_set_syntax (RE_SYNTAX_GNU_AWK);
+
+ run_test (lower, regs);
+ run_test (upper, &regs[2]);
+
+ int result = 0;
+#define CHECK(exp) \
+ if (exp) { puts (#exp); result = 1; }
+
+ CHECK (regs[0].start[0] != regs[2].start[0]);
+ CHECK (regs[0].end[0] != regs[2].end[0]);
+ CHECK (regs[1].start[0] != regs[3].start[0]);
+ CHECK (regs[1].end[0] != regs[3].end[0]);
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"