util-strings: drop unused safe_atou()

Not used anywhere.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

src/util-strings.c

@@ -59,36 +59,6 @@ next_word(const char **state, size_t *len, const char *separators)
 	return next;
 }
 
-/**
- * Return a null-terminated string array with the contents of argv
- * duplicated.
- *
- * Use strv_free() to free the array.
- *
- * @return A null-terminated string array or NULL on errors
- */
-char**
-strv_from_argv(int argc, char **argv)
-{
-	char **strv = NULL;
-
-	assert(argc >= 0);
-
-	if (argc == 0)
-		return NULL;
-
-	strv = zalloc((argc + 1) * sizeof *strv);
-	for (int i = 0; i < argc; i++) {
-		char *copy = safe_strdup(argv[i]);
-		if (!copy) {
-			strv_free(strv);
-			return NULL;
-		}
-		strv[i] = copy;
-	}
-	return strv;
-}
-
 /**
  * Return a null-terminated string array with the tokens in the input
  * string, e.g. "one two\tthree" with a separator list of " \t" will return
@@ -142,103 +112,3 @@ strv_from_string(const char *in, const char *separators, size_t *num_elements)
 
 	return strv;
 }
-
-/**
- * Return a newly allocated string with all elements joined by the
- * joiner, same as Python's string.join() basically.
- * A strv of ["one", "two", "three", NULL] with a joiner of ", " results
- * in "one, two, three".
- *
- * An empty strv ([NULL]) returns NULL, same for passing NULL as either
- * argument.
- *
- * @param strv Input string array
- * @param joiner Joiner between the elements in the final string
- *
- * @return A null-terminated string joining all elements
- */
-char *
-strv_join(char **strv, const char *joiner)
-{
-	char **s;
-	char *str;
-	size_t slen = 0;
-	size_t count = 0;
-
-	if (!strv || !joiner)
-		return NULL;
-
-	if (strv[0] == NULL)
-		return NULL;
-
-	for (s = strv, count = 0; *s; s++, count++) {
-		slen += strlen(*s);
-	}
-
-	assert(slen < 1000);
-	assert(strlen(joiner) < 1000);
-	assert(count > 0);
-	assert(count < 100);
-
-	slen += (count - 1) * strlen(joiner);
-
-	str = zalloc(slen + 1); /* trailing \0 */
-	for (s = strv; *s; s++) {
-		strcat(str, *s);
-		--count;
-		if (count > 0)
-			strcat(str, joiner);
-	}
-
-	return str;
-}
-
-/**
- * Return a pointer to the basename within filename.
- * If the filename the empty string or a directory (i.e. the last char of
- * filename is '/') NULL is returned.
- */
-const char *
-safe_basename(const char *filename)
-{
-	const char *basename;
-
-	if (*filename == '\0')
-		return NULL;
-
-	basename = strrchr(filename, '/');
-	if (basename == NULL)
-		return filename;
-
-	if (*(basename + 1) == '\0')
-		return NULL;
-
-	return basename + 1;
-}
-
-/**
- * Similar to basename() but returns the trunk only without the (last)
- * trailing suffix, so that:
- *
- * - foo.c returns foo
- * - foo.a.b returns foo.a
- * - foo returns foo
- * - foo/ returns ""
- *
- * @return an allocated string representing the trunk name of the file
- */
-char *
-trunkname(const char *filename)
-{
-	const char *base = safe_basename(filename);
-	char *suffix;
-
-	if (base == NULL)
-		return safe_strdup("");
-
-	suffix = rindex(base, '.');
-	if (suffix == NULL)
-		return safe_strdup(base);
-	else
-		return strndup(base, suffix-base);
-}

src/util-strings.h

@@ -43,120 +43,6 @@
 
 #include "util-macros.h"
 
-static inline bool
-streq(const char *str1, const char *str2)
-{
-	/* one NULL, one not NULL is always false */
-	if (str1 && str2)
-		return strcmp(str1, str2) == 0;
-	return str1 == str2;
-}
-
-static inline bool
-strneq(const char *str1, const char *str2, int n)
-{
-	/* one NULL, one not NULL is always false */
-	if (str1 && str2)
-		return strncmp(str1, str2, n) == 0;
-	return str1 == str2;
-}
-
-static inline void *
-zalloc(size_t size)
-{
-	void *p;
-
-	/* We never need to alloc anything more than 1,5 MB so we can assume
-	 * if we ever get above that something's going wrong */
-	if (size > 1536 * 1024)
-		assert(!"bug: internal malloc size limit exceeded");
-
-	p = calloc(1, size);
-	if (!p)
-		abort();
-
-	return p;
-}
-
-/**
- * strdup guaranteed to succeed. If the input string is NULL, the output
- * string is NULL. If the input string is a string pointer, we strdup or
- * abort on failure.
- */
-static inline char*
-safe_strdup(const char *str)
-{
-	char *s;
-
-	if (!str)
-		return NULL;
-
-	s = strdup(str);
-	if (!s)
-		abort();
-	return s;
-}
-
-static inline bool
-safe_atoi_base(const char *str, int *val, int base)
-{
-	char *endptr;
-	long v;
-
-	assert(base == 10 || base == 16 || base == 8);
-
-	errno = 0;
-	v = strtol(str, &endptr, base);
-	if (errno > 0)
-		return false;
-	if (str == endptr)
-		return false;
-	if (*str != '\0' && *endptr != '\0')
-		return false;
-
-	if (v > INT_MAX || v < INT_MIN)
-		return false;
-
-	*val = v;
-	return true;
-}
-
-static inline bool
-safe_atoi(const char *str, int *val)
-{
-	return safe_atoi_base(str, val, 10);
-}
-
-static inline bool
-safe_atou_base(const char *str, unsigned int *val, int base)
-{
-	char *endptr;
-	unsigned long v;
-
-	assert(base == 10 || base == 16 || base == 8);
-
-	errno = 0;
-	v = strtoul(str, &endptr, base);
-	if (errno > 0)
-		return false;
-	if (str == endptr)
-		return false;
-	if (*str != '\0' && *endptr != '\0')
-		return false;
-
-	if ((long)v < 0)
-		return false;
-
-	*val = v;
-	return true;
-}
-
-static inline bool
-safe_atou(const char *str, unsigned int *val)
-{
-	return safe_atou_base(str, val, 10);
-}
-
 static inline bool
 safe_atod(const char *str, double *val)
 {
@@ -211,9 +97,7 @@ safe_atod(const char *str, double *val)
 	return true;
 }
 
-char **strv_from_argv(int argc, char **argv);
 char **strv_from_string(const char *in, const char *separator, size_t *num_elements);
-char *strv_join(char **strv, const char *joiner);
 
 static inline void
 strv_free(char **strv) {
@@ -271,150 +155,3 @@ out:
 	free(numv);
 	return result;
 }
-
-struct key_value_str{
-	char *key;
-	char *value;
-};
-
-struct key_value_double {
-	double key;
-	double value;
-};
-
-static inline ssize_t
-kv_double_from_string(const char *string,
-		      const char *pair_separator,
-		      const char *kv_separator,
-		      struct key_value_double **result_out)
-
-{
-	struct key_value_double *result = NULL;
-
-	if (!pair_separator || pair_separator[0] == '\0' ||
-	    !kv_separator || kv_separator[0] == '\0')
-		return -1;
-
-	size_t npairs;
-	char **pairs = strv_from_string(string, pair_separator, &npairs);
-	if (!pairs || npairs == 0)
-		goto error;
-
-	result = zalloc(npairs * sizeof *result);
-
-	for (size_t idx = 0; idx < npairs; idx++) {
-		char *pair = pairs[idx];
-		size_t nelem;
-		char **kv = strv_from_string(pair, kv_separator, &nelem);
-		double k, v;
-
-		if (!kv || nelem != 2 ||
-		    !safe_atod(kv[0], &k) ||
-		    !safe_atod(kv[1], &v)) {
-			strv_free(kv);
-			goto error;
-		}
-
-		result[idx].key = k;
-		result[idx].value = v;
-
-		strv_free(kv);
-	}
-
-	strv_free(pairs);
-
-	*result_out = result;
-
-	return npairs;
-
-error:
-	strv_free(pairs);
-	free(result);
-	return -1;
-}
-
-/**
- * Strip any of the characters in what from the beginning and end of the
- * input string.
- *
- * @return a newly allocated string with none of "what" at the beginning or
- * end of string
- */
-static inline char *
-strstrip(const char *input, const char *what)
-{
-	char *str, *last;
-
-	str = safe_strdup(&input[strspn(input, what)]);
-
-	last = str;
-
-	for (char *c = str; *c != '\0'; c++) {
-		if (!strchr(what, *c))
-			last = c + 1;
-	}
-
-	*last = '\0';
-
-	return str;
-}
-
-/**
- * Return true if str ends in suffix, false otherwise. If the suffix is the
- * empty string, strendswith() always returns false.
- */
-static inline bool
-strendswith(const char *str, const char *suffix)
-{
-	size_t slen = strlen(str);
-	size_t suffixlen = strlen(suffix);
-	size_t offset;
-
-	if (slen == 0 || suffixlen == 0 || suffixlen > slen)
-		return false;
-
-	offset = slen - suffixlen;
-	return strneq(&str[offset], suffix, suffixlen);
-}
-
-static inline bool
-strstartswith(const char *str, const char *prefix)
-{
-	size_t prefixlen = strlen(prefix);
-
-	return prefixlen > 0 ? strneq(str, prefix, strlen(prefix)) : false;
-}
-
-const char *
-safe_basename(const char *filename);
-
-char *
-trunkname(const char *filename);
-
-/**
- * Return a copy of str with all % converted to %% to make the string
- * acceptable as printf format.
- */
-static inline char *
-str_sanitize(const char *str)
-{
-	if (!str)
-		return NULL;
-
-	if (!strchr(str, '%'))
-		return strdup(str);
-
-	size_t slen = min(strlen(str), 512);
-	char *sanitized = zalloc(2 * slen + 1);
-	const char *src = str;
-	char *dst = sanitized;
-
-	for (size_t i = 0; i < slen; i++) {
-		if (*src == '%')
-			*dst++ = '%';
-		*dst++ = *src++;
-	}
-	*dst = '\0';
-
-	return sanitized;
-}