colorize 0.63

[colorize.git] / colorize.c

diff --git a/colorize.c b/colorize.c
index 1e27fcae01878ea6f41c90adac3c52aa7138317b..1d83781d6df5ff3fb636312aca4fd24f81753bd5 100644 (file)
--- a/colorize.c
+++ b/colorize.c
@@ -73,7 +73,7 @@
 #define LF 0x01
 #define CR 0x02
 
-#define SKIP_LINE_ENDINGS(flags) (((flags) & CR) && ((flags) & LF) ? 2 : 1)
+#define SKIP_LINE_ENDINGS(flags) ((flags) == (CR|LF) ? 2 : 1)
 
 #define VALID_FILE_TYPE(mode) (S_ISREG (mode) || S_ISLNK (mode) || S_ISFIFO (mode))
 
@@ -116,11 +116,13 @@
 # define COLOR_SEP_CHAR '/'
 #endif
 
-#define DEBUG_FILE "debug.txt"
+#if DEBUG
+# define DEBUG_FILE "debug.txt"
+#endif
 
-#define MAX_ATTRIBUTE_CHARS (5 * 2)
+#define MAX_ATTRIBUTE_CHARS (6 * 2)
 
-#define VERSION "0.61"
+#define VERSION "0.63"
 
 typedef enum { false, true } bool;
 
@@ -164,7 +166,7 @@ struct bytes_size {
     char unit;
 };
 
-enum fmts {
+enum {
     FMT_GENERIC,
     FMT_STRING,
     FMT_QUOTE,
@@ -188,7 +190,7 @@ static const char *formats[] = {
 enum { GENERIC, FOREGROUND = 0, BACKGROUND };
 
 static const struct {
-    struct color const *entries;
+    const struct color *entries;
     unsigned int count;
     const char *desc;
 } tables[] = {
@@ -469,12 +471,12 @@ process_opt_attr (const char *p)
               }
             if (!valid_attr)
               {
-                char *sep;
-                char *attr_invalid = xstrdup (s);
+                char *attr_invalid = xmalloc ((p - s) + 1);
                 STACK_VAR (attr_invalid);
-                if ((sep = strchr (attr_invalid, ',')))
-                  *sep = '\0';
+                strncpy (attr_invalid, s, p - s);
+                attr_invalid[p - s] = '\0';
                 vfprintf_fail ("--attr switch attribute '%s' is not valid", attr_invalid);
+                RELEASE_VAR (attr_invalid); /* never reached */
               }
           }
         if (*p)
@@ -504,13 +506,16 @@ print_hint (void)
 static void
 print_help (void)
 {
-    struct short_opt {
+    struct opt_data {
         const char *name;
         const char *short_opt;
+        const char *arg;
     };
-    const struct short_opt short_opts[] = {
-        { "help",    "h" },
-        { "version", "V" },
+    const struct opt_data opts_data[] = {
+        { "attr",           NULL, "=ATTR1,ATTR2,..." },
+        { "exclude-random", NULL, "=COLOR"           },
+        { "help",           "h",  NULL               },
+        { "version",        "V",  NULL               },
     };
     const struct option *opt = long_opts;
     unsigned int i;
@@ -536,18 +541,21 @@ print_help (void)
     printf ("\n\tOptions\n");
     for (; opt->name; opt++)
       {
-        const char *short_opt = NULL;
+        const struct opt_data *opt_data = NULL;
         unsigned int i;
-        for (i = 0; i < sizeof (short_opts) / sizeof (struct short_opt); i++)
+        for (i = 0; i < sizeof (opts_data) / sizeof (struct opt_data); i++)
+          if (streq (opt->name, opts_data[i].name))
+            {
+              opt_data = &opts_data[i];
+              break;
+            }
+        if (opt_data)
           {
-            if (streq (opt->name, short_opts[i].name))
-              {
-                short_opt = short_opts[i].short_opt;
-                break;
-              }
+            if (opt_data->short_opt)
+              printf ("\t\t-%s, --%s\n", opt_data->short_opt, opt->name);
+            else
+              printf ("\t\t    --%s%s\n", opt->name, opt_data->arg);
           }
-        if (short_opt)
-          printf ("\t\t-%s, --%s\n", short_opt, opt->name);
         else
           printf ("\t\t    --%s\n", opt->name);
       }
@@ -650,7 +658,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct
     const char *color_string = arg_cnt >= 1 ? arg_strings[0] : NULL;
     const char *file_string  = arg_cnt == 2 ? arg_strings[1] : NULL;
 
-    assert (color_string);
+    assert (color_string != NULL);
 
     if (streq (color_string, "-"))
       {
@@ -679,7 +687,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct
 
     gather_color_names (color_string, attr, color_names);
 
-    assert (color_names[FOREGROUND]);
+    assert (color_names[FOREGROUND] != NULL);
 
     if (color_names[BACKGROUND])
       {
@@ -695,6 +703,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct
       }
 
     find_color_entries (color_names, colors);
+    assert (colors[FOREGROUND] != NULL);
     free_color_names (color_names);
 
     if (!colors[FOREGROUND]->code && colors[BACKGROUND] && colors[BACKGROUND]->code)
@@ -703,6 +712,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct
         color_name.name = color_name.orig = "default";
 
         find_color_entry (&color_name, FOREGROUND, colors);
+        assert (colors[FOREGROUND]->code != NULL);
       }
 
     process_file_arg (file_string, file, stream);
@@ -740,8 +750,8 @@ process_file_arg (const char *file_string, const char **file, FILE **stream)
         *file = "stdin";
       }
 
-    assert (*stream);
-    assert (*file);
+    assert (*stream != NULL);
+    assert (*file != NULL);
 }
 
 static void
@@ -815,7 +825,7 @@ gather_color_names (const char *color_string, char *attr, struct color_name **co
           }
         else
           p = color + strlen (color);
-        assert (p);
+        assert (p != NULL);
 
         for (ch = color; *ch; ch++)
           if (!isalpha (*ch))
@@ -1438,8 +1448,8 @@ has_color_name (const char *str, const char *name)
 {
     char *p;
 
-    assert (strlen (str));
-    assert (strlen (name));
+    assert (strlen (str) > 0);
+    assert (strlen (name) > 0);
 
     if (!(*str == *name || *str == toupper (*name)))
       return false;