diff options
Diffstat (limited to 'lib/util/nstring.c')
-rw-r--r-- | lib/util/nstring.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/lib/util/nstring.c b/lib/util/nstring.c index 702a3c44..58500547 100644 --- a/lib/util/nstring.c +++ b/lib/util/nstring.c @@ -740,15 +740,6 @@ const char * const strsol = "NO MEMORY TO CREATE STRING!"; -/* We would like to have vasprintfN(), but it is difficult because you - can't run through a va_list twice, which we would want to do: once - to measure the length; once actually to build the string. On some - machines, you can simply make two copies of the va_list variable in - normal C fashion, but on others you need va_copy, which is a - relatively recent invention. In particular, the simple va_list copy - failed on an AMD64 Gcc Linux system in March 2006. -*/ - void PM_GNU_PRINTF_ATTR(2,3) asprintfN(const char ** const resultP, const char * const fmt, @@ -904,3 +895,20 @@ memmemN(const char * const haystack, return NULL; } + + + +bool +strishex(const char * const subject) { + + bool retval; + unsigned int i; + + retval = TRUE; /* initial assumption */ + + for (i = 0; i < strlen(subject); ++i) + if (!ISXDIGIT(subject[i])) + retval = FALSE; + + return retval; +} |