X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/7111aba92b83fff6b0ac8637dd1f6e2fa287ac8c..b0aa8cdb1c264e42d4931ca24968689c73381278:/h/utils.h?ds=inline diff --git a/h/utils.h b/h/utils.h index 00249be4..c8384b39 100644 --- a/h/utils.h +++ b/h/utils.h @@ -3,9 +3,27 @@ * utils.h -- utility prototypes */ -void *mh_xmalloc(size_t); -void *mh_xrealloc(void *, size_t); -void *mh_xcalloc(size_t, size_t); +/* Call malloc(3), exiting on NULL return. */ +void *mh_xmalloc(size_t size); + +/* Call realloc(3), exiting on NULL return. */ +void *mh_xrealloc(void *ptr, size_t size); + +/* Call calloc(3), exiting on NULL return. */ +void *mh_xcalloc(size_t nelem, size_t elsize); + +/* Duplicate a NUL-terminated string, exit on failure. */ +char *mh_xstrdup(const char *src); + +/* Call free(3), if ptr isn't NULL. */ +void mh_xfree(void *ptr); + +/* Set p to point to newly allocated, uninitialised, memory. */ +#define NEW(p) ((p) = mh_xmalloc(sizeof *(p))) + +/* Set p to point to newly allocated, zeroed, memory. */ +#define NEW0(p) ((p) = mh_xcalloc(1, sizeof *(p))) + char *pwd(void); char *add(const char *, char *); char *addlist(char *, const char *); @@ -45,6 +63,12 @@ char *find_str (const char [], size_t, const char *); char *rfind_str (const char [], size_t, const char *); char *nmh_strcasestr (const char *, const char *); +bool HasPrefix(const char *s, const char *prefix); +bool HasSuffixC(const char *s, int c); +void TrimSuffixC(char *s, int c); +void ToLower(char *s); +void ToUpper(char *s); + /* * See if a string contains 8 bit characters (use isascii() for the test). * Arguments include: @@ -58,6 +82,20 @@ char *nmh_strcasestr (const char *, const char *); */ int contains8bit(const char *start, const char *end); +/* + * See if file has any 8-bit bytes. + * Arguments include: + * + * fd - file descriptor + * eightbit - address of result, will be set to 1 if the file contains + * any 8-bit bytes, 0 otherwise. + * + * Returns OK on success, NOTOK on read failure. + * + */ +int scan_input (int fd, int *eightbit); + + /* * Compares prior version of nmh with current version. Returns 1 * if they compare the be the same, 0 if not.