diff options
Diffstat (limited to 'words-misc/match_pool.c')
-rw-r--r-- | words-misc/match_pool.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/words-misc/match_pool.c b/words-misc/match_pool.c new file mode 100644 index 0000000..eda8f61 --- /dev/null +++ b/words-misc/match_pool.c @@ -0,0 +1,50 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +int main(int argc, char **argv) +{ + int i = 0; + char buffer[1024]; + char *res = NULL; + char *pool = NULL; + char *local_pool = NULL; + size_t pool_size = 0; + + + if (argc != 2) + { + fprintf(stderr, "Usage: %s <character pool>\n", argv[0]); + return EXIT_FAILURE; + } + + pool = argv[1]; + pool_size = strlen(pool); + + local_pool = malloc(pool_size); + if (local_pool == NULL) + { + fprintf(stderr, "%s: malloc for local pool failed\n", argv[0]); + return EXIT_FAILURE; + } + + while (fgets(buffer, sizeof(buffer), stdin)) + { + buffer[strcspn(buffer, "\r\n")] = '\0'; /* chomp */ + + if (strlen(buffer) == 0) + continue; + + strcpy(local_pool, pool); + for (i = strlen(buffer)-1; i >= 0; i--) + { + if ((res = memchr(local_pool, buffer[i], pool_size)) != NULL) + *res = '\0'; + else + break; + } + printf("%s %s\n", buffer, i < 0? "matches" : "doesn't match" ); + } + free(local_pool); + return 0; +} |