# include <config.h>
#endif
-#if HAVE_STDBOOL_H
-# include <stdbool.h>
-#else
-typedef enum {false = 0, true = 1} bool;
-#endif
+#include <stdbool.h>
+#include <ctype.h>
#include <errno.h>
#ifndef errno
extern int errno;
#endif
+#include <stddef.h>
#include <stdio.h>
-#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-#if HAVE_STRING_H
-# include <string.h>
-#endif
-#if HAVE_STRINGS_H
-# include <strings.h>
-#endif
+#include <stdlib.h>
+#include <string.h>
#if HAVE_INTTYPES_H
# include <inttypes.h>
#else
# define SIZE_MAX ((size_t) -1)
#endif
+#if STDC_HEADERS || (! defined isascii && ! HAVE_ISASCII)
+# define IN_CTYPE_DOMAIN(c) true
+#else
+# define IN_CTYPE_DOMAIN(c) isascii (c)
+#endif
+
+static inline bool
+is_space (unsigned char c)
+{
+ return IN_CTYPE_DOMAIN (c) && isspace (c);
+}
+
/* Verify a requirement at compile-time (unlike assert, which is runtime). */
#define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; }
struct exclude *
new_exclude (void)
{
- struct exclude *ex = (struct exclude *) xmalloc (sizeof *ex);
+ struct exclude *ex = xmalloc (sizeof *ex);
ex->exclude_count = 0;
ex->exclude_alloc = (1 << 6); /* This must be a power of 2. */
- ex->exclude = (struct patopts *) xmalloc (ex->exclude_alloc
- * sizeof ex->exclude[0]);
+ ex->exclude = xmalloc (ex->exclude_alloc * sizeof ex->exclude[0]);
return ex;
}
if (! (0 < s && s <= SIZE_MAX / sizeof ex->exclude[0]))
xalloc_die ();
ex->exclude_alloc = s;
- ex->exclude = (struct patopts *) xrealloc (ex->exclude,
- s * sizeof ex->exclude[0]);
+ ex->exclude = xrealloc (ex->exclude, s * sizeof ex->exclude[0]);
}
patopts = &ex->exclude[ex->exclude_count++];
}
/* Use ADD_FUNC to append to EX the patterns in FILENAME, each with
- OPTIONS. LINE_END terminates each pattern in the file. Return -1
- on failure, 0 on success. */
+ OPTIONS. LINE_END terminates each pattern in the file. If
+ LINE_END is a space character, ignore trailing spaces and empty
+ lines in FILE. Return -1 on failure, 0 on success. */
int
add_exclude_file (void (*add_func) (struct exclude *, char const *, int),
e = errno;
buf = xrealloc (buf, buf_count + 1);
+ buf[buf_count] = line_end;
+ lim = buf + buf_count + ! (buf_count == 0 || buf[buf_count - 1] == line_end);
+ pattern = buf;
- for (pattern = p = buf, lim = buf + buf_count; p <= lim; p++)
- if (p < lim ? *p == line_end : buf < p && p[-1])
+ for (p = buf; p < lim; p++)
+ if (*p == line_end)
{
- *p = '\0';
+ char *pattern_end = p;
+
+ if (is_space (line_end))
+ {
+ for (; ; pattern_end--)
+ if (pattern_end == pattern)
+ goto next_pattern;
+ else if (! is_space (pattern_end[-1]))
+ break;
+ }
+
+ *pattern_end = '\0';
(*add_func) (ex, pattern, options);
+
+ next_pattern:
pattern = p + 1;
}