colorize 0.55

[colorize.git] / colorize.c

diff --git a/colorize.c b/colorize.c
index 5729f0e24c56e3b48cac1e1fe6c6e7f4a3aa07ea..1325fce1f10326f432fa55d0edf2c5cde168dec1 100644 (file)
--- a/colorize.c
+++ b/colorize.c
@@ -2,7 +2,7 @@
  * colorize - Read text from standard input stream or file and print
  *            it colorized through use of ANSI escape sequences
  *
- * Copyright (c) 2011-2014 Steven Schubiger
+ * Copyright (c) 2011-2015 Steven Schubiger
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,6 +21,7 @@
 
 #define _BSD_SOURCE
 #define _XOPEN_SOURCE 700
+#define _FILE_OFFSET_BITS 64
 #include <assert.h>
 #include <ctype.h>
 #include <errno.h>
@@ -45,19 +46,22 @@
 #define streq(s1, s2) (strcmp (s1, s2) == 0)
 
 #if !DEBUG
-# define xmalloc(size)        malloc_wrap(size)
-# define xcalloc(nmemb, size) calloc_wrap(nmemb, size)
-# define xrealloc(ptr, size)  realloc_wrap(ptr, size)
+# define xmalloc(size)          malloc_wrap(size)
+# define xcalloc(nmemb, size)   calloc_wrap(nmemb, size)
+# define xrealloc(ptr, size)    realloc_wrap(ptr, size)
+# define xstrdup(str)           strdup_wrap(str,            NULL, 0)
+# define str_concat(str1, str2) str_concat_wrap(str1, str2, NULL, 0)
 #else
-# define xmalloc(size)        malloc_wrap_debug(size,        __FILE__, __LINE__)
-# define xcalloc(nmemb, size) calloc_wrap_debug(nmemb, size, __FILE__, __LINE__)
-# define xrealloc(ptr, size)  realloc_wrap_debug(ptr, size,  __FILE__, __LINE__)
+# define xmalloc(size)          malloc_wrap_debug(size,        __FILE__, __LINE__)
+# define xcalloc(nmemb, size)   calloc_wrap_debug(nmemb, size, __FILE__, __LINE__)
+# define xrealloc(ptr, size)    realloc_wrap_debug(ptr, size,  __FILE__, __LINE__)
+# define xstrdup(str)           strdup_wrap(str,               __FILE__, __LINE__)
+# define str_concat(str1, str2) str_concat_wrap(str1, str2,    __FILE__, __LINE__)
 #endif
 
 #define free_null(ptr) free_wrap((void **)&ptr)
-#define xstrdup(str)   strdup_wrap(str)
 
-#if BUF_SIZE <= 0 || BUF_SIZE > 65536
+#if defined(BUF_SIZE) && (BUF_SIZE <= 0 || BUF_SIZE > 65536)
 # undef BUF_SIZE
 #endif
 #ifndef BUF_SIZE
@@ -102,7 +106,9 @@
 
 #define COLOR_SEP_CHAR '/'
 
-#define VERSION "0.54"
+#define DEBUG_FILE "debug.txt"
+
+#define VERSION "0.55"
 
 typedef enum { false, true } bool;
 
@@ -181,6 +187,9 @@ static const struct {
 };
 
 static FILE *stream = NULL;
+#if DEBUG
+static FILE *log = NULL;
+#endif
 
 static unsigned int stacked_vars = 0;
 static void **vars_list = NULL;
@@ -215,11 +224,12 @@ static void *calloc_wrap_debug (size_t, size_t, const char *, unsigned int);
 static void *realloc_wrap_debug (void *, size_t, const char *, unsigned int);
 #endif
 static void free_wrap (void **);
-static char *strdup_wrap (const char *);
-static char *str_concat (const char *, const char *);
+static char *strdup_wrap (const char *, const char *, unsigned int);
+static char *str_concat_wrap (const char *, const char *, const char *, unsigned int);
 static bool get_bytes_size (unsigned long, struct bytes_size *);
 static char *get_file_type (mode_t);
 static bool has_color_name (const char *, const char *);
+static FILE *open_file (const char *, const char *);
 static void vfprintf_diag (const char *, ...);
 static void vfprintf_fail (const char *, ...);
 static void stack_var (void ***, unsigned int *, unsigned int, void *);
@@ -272,6 +282,10 @@ main (int argc, char **argv)
 
     setvbuf (stdout, NULL, _IOLBF, 0);
 
+#if DEBUG
+    log = open_file (DEBUG_FILE, "w");
+#endif
+
     while ((opt = getopt_long (argc, argv, "hv", long_opts, NULL)) != -1)
       {
         PARSE_OPT:
@@ -447,6 +461,10 @@ cleanup (void)
 
     if (stream && fileno (stream) != STDIN_FILENO)
       fclose (stream);
+#if DEBUG
+    if (log)
+      fclose (log);
+#endif
 
     if (vars_list)
       {
@@ -496,7 +514,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct
 
     /* Ensure that we don't fail if there's a file with one or more
        color names in its path.  */
-    if (ret != -1)
+    if (ret == 0) /* success */
       {
         bool have_file;
         unsigned int c;
@@ -1007,6 +1025,7 @@ malloc_wrap_debug (size_t size, const char *file, unsigned int line)
     void *p = malloc (size);
     if (!p)
       MEM_ALLOC_FAIL_DEBUG (file, line);
+    fprintf (log, "%s: malloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)size, file, line);
     return p;
 }
 
@@ -1016,6 +1035,7 @@ calloc_wrap_debug (size_t nmemb, size_t size, const char *file, unsigned int lin
     void *p = calloc (nmemb, size);
     if (!p)
       MEM_ALLOC_FAIL_DEBUG (file, line);
+    fprintf (log, "%s: calloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)(nmemb * size), file, line);
     return p;
 }
 
@@ -1025,6 +1045,7 @@ realloc_wrap_debug (void *ptr, size_t size, const char *file, unsigned int line)
     void *p = realloc (ptr, size);
     if (!p)
       MEM_ALLOC_FAIL_DEBUG (file, line);
+    fprintf (log, "%s: realloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)size, file, line);
     return p;
 }
 #endif /* !DEBUG */
@@ -1036,22 +1057,28 @@ free_wrap (void **ptr)
     *ptr = NULL;
 }
 
+#if !DEBUG
+# define do_malloc(len, file, line) malloc_wrap(len)
+#else
+# define do_malloc(len, file, line) malloc_wrap_debug(len, file, line)
+#endif
+
 static char *
-strdup_wrap (const char *str)
+strdup_wrap (const char *str, const char *file, unsigned int line)
 {
     const size_t len = strlen (str) + 1;
-    char *p = xmalloc (len);
+    char *p = do_malloc (len, file, line);
     strncpy (p, str, len);
     return p;
 }
 
 static char *
-str_concat (const char *str1, const char *str2)
+str_concat_wrap (const char *str1, const char *str2, const char *file, unsigned int line)
 {
     const size_t len = strlen (str1) + strlen (str2) + 1;
     char *p, *str;
 
-    p = str = xmalloc (len);
+    p = str = do_malloc (len, file, line);
     strncpy (p, str1, strlen (str1));
     p += strlen (str1);
     strncpy (p, str2, strlen (str2));
@@ -1117,6 +1144,19 @@ has_color_name (const char *str, const char *name)
     return true;
 }
 
+static FILE *
+open_file (const char *file, const char *mode)
+{
+    FILE *stream;
+
+    errno = 0;
+    stream = fopen (file, mode);
+    if (!stream)
+      vfprintf_fail (formats[FMT_FILE], file, strerror (errno));
+
+    return stream;
+}
+
 #define DO_VFPRINTF(fmt)                    \
     va_list ap;                             \
     fprintf (stderr, "%s: ", program_name); \