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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/tools/perf/util/string.c
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@@ -4,7 +4,16 @@
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 #include <linux/string.h>
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 #include <stdlib.h>
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6
 
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-#include "sane_ctype.h"
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+#include <linux/ctype.h>
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+
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+const char *graph_dotted_line =
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+	"---------------------------------------------------------------------"
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+	"---------------------------------------------------------------------"
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+	"---------------------------------------------------------------------";
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+const char *dots =
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+	"....................................................................."
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+	"....................................................................."
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+	".....................................................................";
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 #define K 1024LL
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 /*
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@@ -58,109 +67,6 @@
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67
 
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 out_err:
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 	return -1;
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-}
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-
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-/*
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- * Helper function for splitting a string into an argv-like array.
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- * originally copied from lib/argv_split.c
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- */
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-static const char *skip_sep(const char *cp)
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-{
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-	while (*cp && isspace(*cp))
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-		cp++;
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-
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-	return cp;
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-}
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-
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-static const char *skip_arg(const char *cp)
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-{
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-	while (*cp && !isspace(*cp))
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-		cp++;
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-
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-	return cp;
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-}
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-
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-static int count_argc(const char *str)
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-{
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-	int count = 0;
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-
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-	while (*str) {
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-		str = skip_sep(str);
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-		if (*str) {
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-			count++;
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-			str = skip_arg(str);
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-		}
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-	}
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-
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-	return count;
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-}
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-
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-/**
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- * argv_free - free an argv
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- * @argv - the argument vector to be freed
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- *
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- * Frees an argv and the strings it points to.
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- */
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-void argv_free(char **argv)
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-{
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-	char **p;
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-	for (p = argv; *p; p++) {
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-		free(*p);
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-		*p = NULL;
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-	}
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-
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-	free(argv);
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-}
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-
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-/**
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- * argv_split - split a string at whitespace, returning an argv
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- * @str: the string to be split
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- * @argcp: returned argument count
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- *
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- * Returns an array of pointers to strings which are split out from
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- * @str.  This is performed by strictly splitting on white-space; no
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- * quote processing is performed.  Multiple whitespace characters are
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- * considered to be a single argument separator.  The returned array
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- * is always NULL-terminated.  Returns NULL on memory allocation
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- * failure.
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- */
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-char **argv_split(const char *str, int *argcp)
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-{
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-	int argc = count_argc(str);
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-	char **argv = calloc(argc + 1, sizeof(*argv));
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-	char **argvp;
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-
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-	if (argv == NULL)
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-		goto out;
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-
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-	if (argcp)
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-		*argcp = argc;
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-
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-	argvp = argv;
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-
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-	while (*str) {
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-		str = skip_sep(str);
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-
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-		if (*str) {
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-			const char *p = str;
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-			char *t;
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-
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-			str = skip_arg(str);
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-
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-			t = strndup(p, str-p);
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-			if (t == NULL)
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-				goto fail;
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-			*argvp++ = t;
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-		}
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-	}
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-	*argvp = NULL;
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-
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-out:
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-	return argv;
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-
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-fail:
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-	argv_free(argv);
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-	return NULL;
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 }
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71
 
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 /* Character class matching */
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@@ -301,61 +207,6 @@
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 			return s1[i1] - s2[i2];
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 	}
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 	return 0;
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-}
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-
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-/**
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- * strxfrchar - Locate and replace character in @s
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- * @s:    The string to be searched/changed.
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- * @from: Source character to be replaced.
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- * @to:   Destination character.
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- *
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- * Return pointer to the changed string.
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- */
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-char *strxfrchar(char *s, char from, char to)
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-{
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-	char *p = s;
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-
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-	while ((p = strchr(p, from)) != NULL)
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-		*p++ = to;
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-
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-	return s;
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-}
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-
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-/**
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- * ltrim - Removes leading whitespace from @s.
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- * @s: The string to be stripped.
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- *
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- * Return pointer to the first non-whitespace character in @s.
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- */
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-char *ltrim(char *s)
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-{
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-	while (isspace(*s))
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-		s++;
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-
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-	return s;
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-}
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-
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-/**
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- * rtrim - Removes trailing whitespace from @s.
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- * @s: The string to be stripped.
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- *
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- * Note that the first trailing whitespace is replaced with a %NUL-terminator
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- * in the given string @s. Returns @s.
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- */
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-char *rtrim(char *s)
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-{
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-	size_t size = strlen(s);
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-	char *end;
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-
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-	if (!size)
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-		return s;
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-
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-	end = s + size - 1;
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-	while (end >= s && isspace(*end))
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-		end--;
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-	*(end + 1) = '\0';
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-
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-	return s;
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210
 }
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211
 
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 char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints)