Add binary type instead of relying on special numbers. Add search_results_t.

src/search.c

@@ -37,6 +37,7 @@ void search_buf(const char *buf, const size_t buf_len,
     }
 
     if (!opts.literal && opts.query_len == 1 && opts.query[0] == '.') {
+        /* Don't even PCRE, just match everything */
         matches_size = 1;
         matches = matches == NULL ? ag_malloc(matches_size * sizeof(match_t)) : matches;
         matches[0].start = 0;

src/util.h

@@ -28,11 +28,31 @@ void *ag_calloc(size_t nelem, size_t elsize);
 char *ag_strdup(const char *s);
 char *ag_strndup(const char *s, size_t size);
 
+typedef enum {
+    AG_BINARY_UNKNOWN,
+    AG_BINARY_FALSE,
+    AG_BINARY_TRUE
+} ag_binary_type;
+
+typedef enum {
+    AG_NO_COMPRESSION,
+    AG_GZIP,
+    AG_COMPRESS,
+    AG_ZIP
+} ag_compression_type;
+
 typedef struct {
     size_t start; /* Byte at which the match starts */
     size_t end;   /* and where it ends */
 } match_t;
 
+typedef struct {
+    match_t *matches;
+    size_t matches_len;
+    size_t matches_size;
+    ag_binary_type binary;
+} search_results_t;
+
 typedef struct {
     long total_bytes;
     long total_files;
@@ -42,7 +62,6 @@ typedef struct {
     struct timeval time_end;
 } ag_stats;
 
-
 ag_stats stats;
 
 typedef const char *(*strncmp_fp)(const char *, const char *, const size_t, const size_t, const size_t[], const size_t *);