diff options
Diffstat (limited to 'contrib/perl5/ext/SDBM_File/sdbm/dbe.c')
-rw-r--r-- | contrib/perl5/ext/SDBM_File/sdbm/dbe.c | 435 |
1 files changed, 0 insertions, 435 deletions
diff --git a/contrib/perl5/ext/SDBM_File/sdbm/dbe.c b/contrib/perl5/ext/SDBM_File/sdbm/dbe.c deleted file mode 100644 index 166e64efdf2f..000000000000 --- a/contrib/perl5/ext/SDBM_File/sdbm/dbe.c +++ /dev/null @@ -1,435 +0,0 @@ -#include <stdio.h> -#ifndef VMS -#include <sys/file.h> -#include <ndbm.h> -#else -#include "file.h" -#include "ndbm.h" -#endif -#include <ctype.h> - -/***************************************************************************\ -** ** -** Function name: getopt() ** -** Author: Henry Spencer, UofT ** -** Coding date: 84/04/28 ** -** ** -** Description: ** -** ** -** Parses argv[] for arguments. ** -** Works with Whitesmith's C compiler. ** -** ** -** Inputs - The number of arguments ** -** - The base address of the array of arguments ** -** - A string listing the valid options (':' indicates an ** -** argument to the preceding option is required, a ';' ** -** indicates an argument to the preceding option is optional) ** -** ** -** Outputs - Returns the next option character, ** -** '?' for non '-' arguments ** -** or ':' when there is no more arguments. ** -** ** -** Side Effects + The argument to an option is pointed to by 'optarg' ** -** ** -***************************************************************************** -** ** -** REVISION HISTORY: ** -** ** -** DATE NAME DESCRIPTION ** -** YY/MM/DD ------------------ ------------------------------------ ** -** 88/10/20 Janick Bergeron Returns '?' on unamed arguments ** -** returns '!' on unknown options ** -** and 'EOF' only when exhausted. ** -** 88/11/18 Janick Bergeron Return ':' when no more arguments ** -** 89/08/11 Janick Bergeron Optional optarg when ';' in optstring ** -** ** -\***************************************************************************/ - -char *optarg; /* Global argument pointer. */ - -#ifdef VMS -#define index strchr -#endif - -char -getopt(int argc, char **argv, char *optstring) -{ - register int c; - register char *place; - extern char *index(); - static int optind = 0; - static char *scan = NULL; - - optarg = NULL; - - if (scan == NULL || *scan == '\0') { - - if (optind == 0) - optind++; - if (optind >= argc) - return ':'; - - optarg = place = argv[optind++]; - if (place[0] != '-' || place[1] == '\0') - return '?'; - if (place[1] == '-' && place[2] == '\0') - return '?'; - scan = place + 1; - } - - c = *scan++; - place = index(optstring, c); - if (place == NULL || c == ':' || c == ';') { - - (void) fprintf(stderr, "%s: unknown option %c\n", argv[0], c); - scan = NULL; - return '!'; - } - if (*++place == ':') { - - if (*scan != '\0') { - - optarg = scan; - scan = NULL; - - } - else { - - if (optind >= argc) { - - (void) fprintf(stderr, "%s: %c requires an argument\n", - argv[0], c); - return '!'; - } - optarg = argv[optind]; - optind++; - } - } - else if (*place == ';') { - - if (*scan != '\0') { - - optarg = scan; - scan = NULL; - - } - else { - - if (optind >= argc || *argv[optind] == '-') - optarg = NULL; - else { - optarg = argv[optind]; - optind++; - } - } - } - return c; -} - - -void -print_datum(datum db) -{ - int i; - - putchar('"'); - for (i = 0; i < db.dsize; i++) { - if (isprint((unsigned char)db.dptr[i])) - putchar(db.dptr[i]); - else { - putchar('\\'); - putchar('0' + ((db.dptr[i] >> 6) & 0x07)); - putchar('0' + ((db.dptr[i] >> 3) & 0x07)); - putchar('0' + (db.dptr[i] & 0x07)); - } - } - putchar('"'); -} - - -datum -read_datum(char *s) -{ - datum db; - char *p; - int i; - - db.dsize = 0; - db.dptr = (char *) malloc(strlen(s) * sizeof(char)); - if (!db.dptr) - oops("cannot get memory"); - - for (p = db.dptr; *s != '\0'; p++, db.dsize++, s++) { - if (*s == '\\') { - if (*++s == 'n') - *p = '\n'; - else if (*s == 'r') - *p = '\r'; - else if (*s == 'f') - *p = '\f'; - else if (*s == 't') - *p = '\t'; - else if (isdigit((unsigned char)*s) - && isdigit((unsigned char)*(s + 1)) - && isdigit((unsigned char)*(s + 2))) - { - i = (*s++ - '0') << 6; - i |= (*s++ - '0') << 3; - i |= *s - '0'; - *p = i; - } - else if (*s == '0') - *p = '\0'; - else - *p = *s; - } - else - *p = *s; - } - - return db; -} - - -char * -key2s(datum db) -{ - char *buf; - char *p1, *p2; - - buf = (char *) malloc((db.dsize + 1) * sizeof(char)); - if (!buf) - oops("cannot get memory"); - for (p1 = buf, p2 = db.dptr; *p2 != '\0'; *p1++ = *p2++); - *p1 = '\0'; - return buf; -} - -int -main(int argc, char **argv) -{ - typedef enum { - YOW, FETCH, STORE, DELETE, SCAN, REGEXP - } commands; - char opt; - int flags; - int giveusage = 0; - int verbose = 0; - commands what = YOW; - char *comarg[3]; - int st_flag = DBM_INSERT; - int argn; - DBM *db; - datum key; - datum content; - - flags = O_RDWR; - argn = 0; - - while ((opt = getopt(argc, argv, "acdfFm:rstvx")) != ':') { - switch (opt) { - case 'a': - what = SCAN; - break; - case 'c': - flags |= O_CREAT; - break; - case 'd': - what = DELETE; - break; - case 'f': - what = FETCH; - break; - case 'F': - what = REGEXP; - break; - case 'm': - flags &= ~(000007); - if (strcmp(optarg, "r") == 0) - flags |= O_RDONLY; - else if (strcmp(optarg, "w") == 0) - flags |= O_WRONLY; - else if (strcmp(optarg, "rw") == 0) - flags |= O_RDWR; - else { - fprintf(stderr, "Invalid mode: \"%s\"\n", optarg); - giveusage = 1; - } - break; - case 'r': - st_flag = DBM_REPLACE; - break; - case 's': - what = STORE; - break; - case 't': - flags |= O_TRUNC; - break; - case 'v': - verbose = 1; - break; - case 'x': - flags |= O_EXCL; - break; - case '!': - giveusage = 1; - break; - case '?': - if (argn < 3) - comarg[argn++] = optarg; - else { - fprintf(stderr, "Too many arguments.\n"); - giveusage = 1; - } - break; - } - } - - if (giveusage || what == YOW || argn < 1) { - fprintf(stderr, "Usage: %s databse [-m r|w|rw] [-crtx] -a|-d|-f|-F|-s [key [content]]\n", argv[0]); - exit(-1); - } - - if ((db = dbm_open(comarg[0], flags, 0777)) == NULL) { - fprintf(stderr, "Error opening database \"%s\"\n", comarg[0]); - exit(-1); - } - - if (argn > 1) - key = read_datum(comarg[1]); - if (argn > 2) - content = read_datum(comarg[2]); - - switch (what) { - - case SCAN: - key = dbm_firstkey(db); - if (dbm_error(db)) { - fprintf(stderr, "Error when fetching first key\n"); - goto db_exit; - } - while (key.dptr != NULL) { - content = dbm_fetch(db, key); - if (dbm_error(db)) { - fprintf(stderr, "Error when fetching "); - print_datum(key); - printf("\n"); - goto db_exit; - } - print_datum(key); - printf(": "); - print_datum(content); - printf("\n"); - if (dbm_error(db)) { - fprintf(stderr, "Error when fetching next key\n"); - goto db_exit; - } - key = dbm_nextkey(db); - } - break; - - case REGEXP: - if (argn < 2) { - fprintf(stderr, "Missing regular expression.\n"); - goto db_exit; - } - if (re_comp(comarg[1])) { - fprintf(stderr, "Invalid regular expression\n"); - goto db_exit; - } - key = dbm_firstkey(db); - if (dbm_error(db)) { - fprintf(stderr, "Error when fetching first key\n"); - goto db_exit; - } - while (key.dptr != NULL) { - if (re_exec(key2s(key))) { - content = dbm_fetch(db, key); - if (dbm_error(db)) { - fprintf(stderr, "Error when fetching "); - print_datum(key); - printf("\n"); - goto db_exit; - } - print_datum(key); - printf(": "); - print_datum(content); - printf("\n"); - if (dbm_error(db)) { - fprintf(stderr, "Error when fetching next key\n"); - goto db_exit; - } - } - key = dbm_nextkey(db); - } - break; - - case FETCH: - if (argn < 2) { - fprintf(stderr, "Missing fetch key.\n"); - goto db_exit; - } - content = dbm_fetch(db, key); - if (dbm_error(db)) { - fprintf(stderr, "Error when fetching "); - print_datum(key); - printf("\n"); - goto db_exit; - } - if (content.dptr == NULL) { - fprintf(stderr, "Cannot find "); - print_datum(key); - printf("\n"); - goto db_exit; - } - print_datum(key); - printf(": "); - print_datum(content); - printf("\n"); - break; - - case DELETE: - if (argn < 2) { - fprintf(stderr, "Missing delete key.\n"); - goto db_exit; - } - if (dbm_delete(db, key) || dbm_error(db)) { - fprintf(stderr, "Error when deleting "); - print_datum(key); - printf("\n"); - goto db_exit; - } - if (verbose) { - print_datum(key); - printf(": DELETED\n"); - } - break; - - case STORE: - if (argn < 3) { - fprintf(stderr, "Missing key and/or content.\n"); - goto db_exit; - } - if (dbm_store(db, key, content, st_flag) || dbm_error(db)) { - fprintf(stderr, "Error when storing "); - print_datum(key); - printf("\n"); - goto db_exit; - } - if (verbose) { - print_datum(key); - printf(": "); - print_datum(content); - printf(" STORED\n"); - } - break; - } - -db_exit: - dbm_clearerr(db); - dbm_close(db); - if (dbm_error(db)) { - fprintf(stderr, "Error closing database \"%s\"\n", comarg[0]); - exit(-1); - } -} |