X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/74eecc059657dc9d93ef1a4da6372c7c15b91892..d4935c564e1497843ac995957fdb044a2a8891c5:/h/utils.h diff --git a/h/utils.h b/h/utils.h index 95cae88c..c5991f42 100644 --- a/h/utils.h +++ b/h/utils.h @@ -1,20 +1,27 @@ - -/* - * utils.h -- utility prototypes +/* utils.h -- utility prototypes */ /* Call malloc(3), exiting on NULL return. */ -void *mh_xmalloc(size_t); +void *mh_xmalloc(size_t size); /* Call realloc(3), exiting on NULL return. */ -void *mh_xrealloc(void *, size_t); +void *mh_xrealloc(void *ptr, size_t size); /* Call calloc(3), exiting on NULL return. */ -void *mh_xcalloc(size_t, size_t); +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 *); @@ -54,6 +61,17 @@ 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 *); +void trunccpy(char *dst, const char *src, size_t size); +/* A convenience for the common case of dst being an array. */ +#define TRUNCCPY(dst, src) trunccpy(dst, src, sizeof (dst)) + +bool has_prefix(const char *s, const char *prefix); +bool has_suffix(const char *s, const char *suffix); +bool has_suffix_c(const char *s, int c); +void trim_suffix_c(char *s, int c); +void to_lower(char *s); +void to_upper(char *s); + /* * See if a string contains 8 bit characters (use isascii() for the test). * Arguments include: