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s390-tools: Move function util_strstrip

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This patch
 - moves function util_strstrip to libutil/util_libc.c and deletes the
   extra files util_strstip.[ch]
 - adds doxygen comments for util_strstrip()
 - provides an example on how to use util_strstrip().

Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Thomas Richter
2018-02-21 12:25:09 +00:00
committed by Jan Höppner
parent 08bc0a947a
commit 427dff3450
7 changed files with 51 additions and 67 deletions
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9
libutil/util_libc_example.c
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@@ -10,10 +10,13 @@
//! [code]
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lib/util_libc.h"
#include "lib/util_panic.h"
#define EXAMPLE_WORD " /sys/devices/system/cpu "
/*
* Demonstrate that out of memory is automatically handled via panic()
*/
@@ -22,6 +25,12 @@ int main(void)
unsigned long ulong_max = (unsigned long)-1;
void *ptr;
char *zeroes, *str;
char buffer[sizeof(EXAMPLE_WORD)];
strcat(buffer, EXAMPLE_WORD);
fprintf(stderr, "Try to remove leading and trailing spaces from "
"\"%s\"\nresult = \"%s\"\n", EXAMPLE_WORD,
util_strstrip(buffer));
/* Use util_strcat_realloc() for string concatenation */
fprintf(stderr, "Try to concatenate \"Hello\", \", \" and \"world!\": ");