diff options
Diffstat (limited to 'crypto/conf/conf_mod.c')
| -rw-r--r-- | crypto/conf/conf_mod.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/crypto/conf/conf_mod.c b/crypto/conf/conf_mod.c index 234eb7a06e..100d72ed03 100644 --- a/crypto/conf/conf_mod.c +++ b/crypto/conf/conf_mod.c @@ -57,6 +57,7 @@ */ #include <stdio.h> +#include <ctype.h> #include <openssl/crypto.h> #include "cryptlib.h" #include <openssl/conf.h> @@ -549,3 +550,48 @@ char *CONF_get1_default_config_file(void) return file; } + +/* This function takes a list separated by 'sep' and calls the + * callback function giving the start and length of each member + * optionally stripping leading and trailing whitespace. This can + * be used to parse comma separated lists for example. + */ + +int CONF_parse_list(char *list, int sep, int nospc, + int (*list_cb)(char *elem, int len, void *usr), void *arg) + { + int ret; + char *lstart, *tmpend, *p; + lstart = list; + + for(;;) + { + if (nospc) + { + while(*lstart && isspace((unsigned char)*lstart)) + lstart++; + } + p = strchr(lstart, sep); + if (p == lstart || !*lstart) + ret = list_cb(NULL, 0, arg); + else + { + if (p) + tmpend = p - 1; + else + tmpend = lstart + strlen(lstart) - 1; + if (nospc) + { + while(isspace((unsigned char)*tmpend)) + tmpend--; + } + ret = list_cb(lstart, tmpend - lstart + 1, arg); + } + if (ret <= 0) + return ret; + if (p == NULL) + return 1; + lstart = p + 1; + } + } + |