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Code Issues Releases Activity

bdk: ini: reduce heap fragmentation/pressure

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CTCaer 2022-01-20 12:41:20 +02:00
parent 39d411dc68
commit e071fe44b0
1 changed files with 18 additions and 25 deletions
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43
bdk/utils/ini.c
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@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2018 naehrwert * Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2020 CTCaer * Copyright (c) 2018-2022 CTCaer
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License, * under the terms and conditions of the GNU General Public License,
@ -21,25 +21,7 @@
#include <libs/fatfs/ff.h> #include <libs/fatfs/ff.h>
#include <mem/heap.h> #include <mem/heap.h>
#include <utils/dirlist.h> #include <utils/dirlist.h>
#include <utils/util.h>
static char *_strdup(char *str)
{
if (!str)
return NULL;
// Remove starting space.
if (str[0] == ' ' && strlen(str))
str++;
char *res = (char *)malloc(strlen(str) + 1);
strcpy(res, str);
// Remove trailing space.
if (strlen(res) && res[strlen(res) - 1] == ' ')
res[strlen(res) - 1] = 0;
return res;
}
u32 _find_section_name(char *lbuf, u32 lblen, char schar) u32 _find_section_name(char *lbuf, u32 lblen, char schar)
{ {
@ -57,8 +39,12 @@ ini_sec_t *_ini_create_section(link_t *dst, ini_sec_t *csec, char *name, u8 type
if (csec) if (csec)
list_append(dst, &csec->link); list_append(dst, &csec->link);
csec = (ini_sec_t *)calloc(sizeof(ini_sec_t), 1); // Calculate total allocation size.
csec->name = _strdup(name); u32 len = name ? strlen(name) + 1 : 0;
char *buf = calloc(sizeof(ini_sec_t) + len, 1);
csec = (ini_sec_t *)buf;
csec->name = strcpy_ns(buf + sizeof(ini_sec_t), name);
csec->type = type; csec->type = type;
return csec; return csec;
@ -153,9 +139,16 @@ int ini_parse(link_t *dst, char *ini_path, bool is_dir)
{ {
u32 i = _find_section_name(lbuf, lblen, '='); u32 i = _find_section_name(lbuf, lblen, '=');
ini_kv_t *kv = (ini_kv_t *)calloc(sizeof(ini_kv_t), 1); // Calculate total allocation size.
kv->key = _strdup(&lbuf[0]); u32 klen = strlen(&lbuf[0]) + 1;
kv->val = _strdup(&lbuf[i + 1]); u32 vlen = strlen(&lbuf[i + 1]) + 1;
char *buf = calloc(sizeof(ini_kv_t) + klen + vlen, 1);
ini_kv_t *kv = (ini_kv_t *)buf;
buf += sizeof(ini_kv_t);
kv->key = strcpy_ns(buf, &lbuf[0]);
buf += klen;
kv->val = strcpy_ns(buf, &lbuf[i + 1]);
list_append(&csec->kvs, &kv->link); list_append(&csec->kvs, &kv->link);
} }
} while (!f_eof(&fp)); } while (!f_eof(&fp));