84 lines
1.4 KiB
C
84 lines
1.4 KiB
C
/*
|
|
* \brief Utilities
|
|
* \author Norman Feske
|
|
* \date 2012-04-11
|
|
*/
|
|
|
|
#ifndef _UTIL_H_
|
|
#define _UTIL_H_
|
|
|
|
/**
|
|
* Return base-name portion of null-terminated path string
|
|
*/
|
|
static inline char const *basename(char const *path)
|
|
{
|
|
char const *start = path;
|
|
|
|
for (; *path; path++)
|
|
if (*path == '/')
|
|
start = path + 1;
|
|
|
|
return start;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return true if specified path is a base name (contains no path delimiters)
|
|
*/
|
|
static inline bool is_basename(char const *path)
|
|
{
|
|
for (; *path; path++)
|
|
if (*path == '/')
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return true if character 'c' occurs in null-terminated string 'str'
|
|
*/
|
|
static inline bool string_contains(char const *str, char c)
|
|
{
|
|
for (; *str; str++)
|
|
if (*str == c)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return true if 'str' is a valid node name
|
|
*/
|
|
static inline bool valid_name(char const *str)
|
|
{
|
|
if (string_contains(str, '/')) return false;
|
|
|
|
/* must have at least one character */
|
|
if (str[0] == 0) return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Return true if 'str' is a valid file name
|
|
*/
|
|
static inline bool valid_filename(char const *str)
|
|
{
|
|
if (!str) return false;
|
|
|
|
/* must have at least one character */
|
|
if (str[0] == 0) return false;
|
|
|
|
/* must not contain '/' or '\' or ':' */
|
|
if (string_contains(str, '/') ||
|
|
string_contains(str, '\\') ||
|
|
string_contains(str, ':'))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
#endif /* _UTIL_H_ */
|