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helpers.cpp: port safe_mkdir() from martii

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Origin commit data
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Branch: ni/coolstream
Commit: 57267a28aa
Author: vanhofen <vanhofen@gmx.de>
Date: 2013-11-22 (Fri, 22 Nov 2013)

Origin message was:
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- helpers.cpp: port safe_mkdir() from martii

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No further description and justification available within origin commit message!

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This commit was generated by Migit
This commit is contained in:
vanhofen
2013-11-22 12:35:20 +01:00
parent 2b6a6c4898
commit 32bde2f841
3 changed files with 29 additions and 18 deletions
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31
src/system/helpers.cpp
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@@ -190,19 +190,28 @@ FILE* my_popen( pid_t& pid, const char *cmdstring, const char *type)
return(fp);
}
int safe_mkdir(char * path)
int safe_mkdir(const char * path)
{
struct statfs s;
int ret = 0;
if(!strncmp(path, "/hdd", 4)) {
ret = statfs("/hdd", &s);
if((ret != 0) || (s.f_type == 0x72b6))
ret = -1;
else
mkdir(path, 0755);
} else
mkdir(path, 0755);
return ret;
size_t l = strlen(path);
char d[l + 3];
strncpy(d, path, l);
// skip trailing slashes
while (l > 0 && d[l - 1] == '/')
l--;
// find last slash
while (l > 0 && d[l - 1] != '/')
l--;
if (!l)
return -1;
// append a single dot
d[l++] = '.';
d[l] = 0;
if(statfs(d, &s) || (s.f_type == 0x72b6 /* jffs2 */))
return -1;
return mkdir(path, 0755);
}
/* function used to check is this dir writable, i.e. not flash, for record etc */