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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-09-09 15:45:24 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-09-09 15:45:24 +0000 |
| commit | 6c4a391425e6cb5c833fbab4ebee515ac08375db (patch) | |
| tree | 207bee81be20455a262dd35a7786e621becf9fe1 /lib/util/nstring.c | |
| parent | 2dbf45166703d8b899e9786e440c5432832caaf4 (diff) | |
| download | netpbm-mirror-6c4a391425e6cb5c833fbab4ebee515ac08375db.tar.gz netpbm-mirror-6c4a391425e6cb5c833fbab4ebee515ac08375db.tar.xz netpbm-mirror-6c4a391425e6cb5c833fbab4ebee515ac08375db.zip | |
Make strishex() library function
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@38 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'lib/util/nstring.c')
| -rw-r--r-- | lib/util/nstring.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/util/nstring.c b/lib/util/nstring.c index 749e9060..58500547 100644 --- a/lib/util/nstring.c +++ b/lib/util/nstring.c @@ -895,3 +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; +} |