diff options
Diffstat (limited to 'libblkid/config.c')
| -rw-r--r-- | libblkid/config.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/libblkid/config.c b/libblkid/config.c deleted file mode 100644 index edad6cd7c..000000000 --- a/libblkid/config.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * config.c - blkid.conf routines - * - * Copyright (C) 2009 Karel Zak <kzak@redhat.com> - * - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - */ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <ctype.h> -#include <sys/types.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#include <stdint.h> -#include <stdarg.h> - -#include "blkidP.h" -#include "env.h" - -static int parse_evaluate(struct blkid_config *conf, char *s) -{ - while(s && *s) { - char *sep; - - if (conf->nevals >= __BLKID_EVAL_LAST) - goto err; - sep = strchr(s, ','); - if (sep) - *sep = '\0'; - if (strcmp(s, "udev") == 0) - conf->eval[conf->nevals] = BLKID_EVAL_UDEV; - else if (strcmp(s, "scan") == 0) - conf->eval[conf->nevals] = BLKID_EVAL_SCAN; - else - goto err; - conf->nevals++; - if (sep) - s = sep + 1; - else - break; - } - return 0; -err: - DBG(DEBUG_CONFIG, printf( - "config file: unknown evaluation method '%s'.\n", s)); - return -1; -} - -static int parse_next(FILE *fd, struct blkid_config *conf) -{ - char buf[BUFSIZ]; - char *s; - - /* read the next non-blank non-comment line */ - do { - if (fgets (buf, sizeof(buf), fd) == NULL) - return feof(fd) ? 0 : -1; - s = strchr (buf, '\n'); - if (!s) { - /* Missing final newline? Otherwise extremely */ - /* long line - assume file was corrupted */ - if (feof(fd)) - s = strchr (buf, '\0'); - else { - DBG(DEBUG_CONFIG, fprintf(stderr, - "libblkid: config file: missing newline at line '%s'.\n", - buf)); - return -1; - } - } - *s = '\0'; - if (--s >= buf && *s == '\r') - *s = '\0'; - - s = buf; - while (*s == ' ' || *s == '\t') /* skip space */ - s++; - - } while (*s == '\0' || *s == '#'); - - if (!strncmp(s, "SEND_UEVENT=", 12)) { - s += 13; - if (*s && !strcasecmp(s, "yes")) - conf->uevent = TRUE; - else if (*s) - conf->uevent = FALSE; - } else if (!strncmp(s, "CACHE_FILE=", 11)) { - s += 11; - if (*s) - conf->cachefile = strdup(s); - } else if (!strncmp(s, "EVALUATE=", 9)) { - s += 9; - if (*s && parse_evaluate(conf, s) == -1) - return -1; - } else { - DBG(DEBUG_CONFIG, printf( - "config file: unknown option '%s'.\n", s)); - return -1; - } - return 0; -} - -/* return real config data or built-in default */ -struct blkid_config *blkid_read_config(const char *filename) -{ - struct blkid_config *conf; - FILE *f; - - if (!filename) - filename = safe_getenv("BLKID_CONF"); - if (!filename) - filename = BLKID_CONFIG_FILE; - - conf = (struct blkid_config *) calloc(1, sizeof(*conf)); - if (!conf) - return NULL; - conf->uevent = -1; - - DBG(DEBUG_CONFIG, fprintf(stderr, - "reading config file: %s.\n", filename)); - - f = fopen(filename, "r"); - if (!f) { - DBG(DEBUG_CONFIG, fprintf(stderr, - "%s: does not exist, using built-in default\n", filename)); - goto dflt; - } - while (!feof(f)) { - if (parse_next(f, conf)) { - DBG(DEBUG_CONFIG, fprintf(stderr, - "%s: parse error\n", filename)); - goto err; - } - } -dflt: - if (!conf->nevals) { - conf->eval[0] = BLKID_EVAL_UDEV; - conf->eval[1] = BLKID_EVAL_SCAN; - conf->nevals = 2; - } - if (!conf->cachefile) - conf->cachefile = strdup(BLKID_CACHE_FILE); - if (conf->uevent == -1) - conf->uevent = TRUE; - if (f) - fclose(f); - return conf; -err: - free(conf); - fclose(f); - return NULL; -} - -void blkid_free_config(struct blkid_config *conf) -{ - if (!conf) - return; - free(conf->cachefile); - free(conf); -} - -#ifdef TEST_PROGRAM -/* - * usage: tst_config [<filename>] - */ -int main(int argc, char *argv[]) -{ - int i; - struct blkid_config *conf; - char *filename = NULL; - - blkid_init_debug(DEBUG_ALL); - - if (argc == 2) - filename = argv[1]; - - conf = blkid_read_config(filename); - if (!conf) - return EXIT_FAILURE; - - printf("EVALUATE: "); - for (i = 0; i < conf->nevals; i++) - printf("%s ", conf->eval[i] == BLKID_EVAL_UDEV ? "udev" : "scan"); - printf("\n"); - - printf("SEND UEVENT: %s\n", conf->uevent ? "TRUE" : "FALSE"); - printf("CACHE_FILE: %s\n", conf->cachefile); - - blkid_free_config(conf); - return EXIT_SUCCESS; -} -#endif |