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Diffstat (limited to 'posix/transbug.c')
-rwxr-xr-x | posix/transbug.c | 139 |
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), ®s[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), ®s[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, ®s[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" |