* complete copyright information.
*/
-#include <h/mh.h>
-#include <h/utils.h>
-#include <h/signals.h>
+#include "h/mh.h"
+#include "read_yes_or_no_if_tty.h"
+#include "concat.h"
+#include "r1bindex.h"
+#include "context_foil.h"
+#include "context_replace.h"
+#include "context_read.h"
+#include "context_find.h"
+#include "print_help.h"
+#include "error.h"
+#include "h/utils.h"
+#include "h/signals.h"
#include "m_mktemp.h"
#include "makedir.h"
#include <fcntl.h>
#include <limits.h>
+#include "read_line.h"
extern char *mhdocdir;
#define MAXMSGS 256
/* Call malloc(3), exiting on NULL return. */
-void *mh_xmalloc(size_t size)
+void *
+mh_xmalloc(size_t size)
{
void *p;
size = 1; /* Some mallocs don't like 0. */
p = malloc(size);
if (!p)
- adios(NULL, "malloc failed, size wanted: %zu", size);
+ die("malloc failed, size wanted: %zu", size);
return p;
}
/* Call realloc(3), exiting on NULL return. */
-void *mh_xrealloc(void *ptr, size_t size)
+void *
+mh_xrealloc(void *ptr, size_t size)
{
void *new;
/* Copy POSIX behaviour, coping with non-POSIX systems. */
if (size == 0) {
- mh_xfree(ptr);
+ free(ptr);
return mh_xmalloc(1); /* Get a unique pointer. */
}
if (!ptr)
new = realloc(ptr, size);
if (!new)
- adios(NULL, "realloc failed, size wanted: %zu", size);
+ die("realloc failed, size wanted: %zu", size);
return new;
}
/* Call calloc(3), exiting on NULL return. */
-void *mh_xcalloc(size_t nelem, size_t elsize)
+void *
+mh_xcalloc(size_t nelem, size_t elsize)
{
void *p;
p = calloc(nelem, elsize);
if (!p)
- adios(NULL, "calloc failed, size wanted: %zu * %zu", nelem, elsize);
+ die("calloc failed, size wanted: %zu * %zu", nelem, elsize);
return p;
}
/* Duplicate a NUL-terminated string, exit on failure. */
-char *mh_xstrdup(const char *src)
+char *
+mh_xstrdup(const char *src)
{
size_t n;
char *dest;
return dest;
}
-/* Call free(3), if ptr isn't NULL. */
-void mh_xfree(void *ptr)
-{
- if (ptr)
- free(ptr); /* Some very old platforms can't cope with NULL. */
-}
-
/*
* Return the present working directory, if the current directory does not
* exist, or is too long, make / the pwd.
return curwd;
}
-/*
- * add -- If "s1" is NULL, this routine just creates a
- * -- copy of "s2" into newly malloc'ed memory.
- * --
- * -- If "s1" is not NULL, then copy the concatenation
- * -- of "s1" and "s2" (note the order) into newly
- * -- malloc'ed memory. Then free "s1".
+/* add returns a newly malloc'd string, exiting on failure. The order
+ * of the parameters is unusual. A NULL parameter is treated as an
+ * empty string. s1 is free'd. Use mh_xstrdup(s) rather than add(s,
+ * NULL), with FENDNULL() if s might be NULL.
+ *
+ * add(NULL, NULL) -> ""
+ * add(NULL, "foo") -> "foo"
+ * add("bar", NULL) -> "bar"
+ * add("bar", "foo") -> "foobar"
*/
char *
add (const char *s2, char *s1)
* folder_exists
* Check to see if a folder exists.
*/
-int folder_exists(const char *folder)
+int
+folder_exists(const char *folder)
{
struct stat st;
* Check to see if a folder exists, if not, prompt the user to create
* it.
*/
-void create_folder(char *folder, int autocreate, void (*done_callback)(int))
+void
+create_folder(char *folder, int autocreate, void (*done_callback)(int))
{
struct stat st;
extern int errno;
done_callback (1);
}
if (!makedir (folder))
- adios (NULL, "unable to create folder %s", folder);
+ die("unable to create folder %s", folder);
}
}
/* Sanity check */
if (n < 0)
- adios (NULL, "oops, num_digits called with negative value");
+ die("oops, num_digits called with negative value");
if (n == 0)
return 1;
* pointer so that the caller can modify it.
*/
char *
-find_str (const char buf[], size_t buflen, const char *str) {
+find_str (const char buf[], size_t buflen, const char *str)
+{
const size_t len = strlen (str);
size_t i;
* pointer so that the caller can modify it.
*/
char *
-rfind_str (const char buf[], size_t buflen, const char *str) {
+rfind_str (const char buf[], size_t buflen, const char *str)
+{
const size_t len = strlen (str);
size_t i;
/* POSIX doesn't have strcasestr() so emulate it. */
char *
-nmh_strcasestr (const char *s1, const char *s2) {
+nmh_strcasestr (const char *s1, const char *s2)
+{
const size_t len = strlen (s2);
if (isupper ((unsigned char) s2[0]) || islower ((unsigned char)s2[0])) {
* reporting a possibly very long external string back to the user. One
* of its advantages over strncpy(3) is it doesn't pad in the common
* case of no truncation. */
-void trunccpy(char *dst, const char *src, size_t size)
+void
+trunccpy(char *dst, const char *src, size_t size)
{
if (!size) {
inform("trunccpy: zero-length destination: \"%.20s\"",
/* has_prefix returns true if non-NULL s starts with non-NULL prefix. */
-bool has_prefix(const char *s, const char *prefix)
+bool
+has_prefix(const char *s, const char *prefix)
{
while (*s && *s == *prefix) {
s++;
/* has_suffix returns true if non-NULL s ends with non-NULL suffix. */
-bool has_suffix(const char *s, const char *suffix)
+bool
+has_suffix(const char *s, const char *suffix)
{
size_t ls, lsuf;
/* has_suffix_c returns true if non-NULL string s ends with a c before the
* terminating NUL. */
-bool has_suffix_c(const char *s, int c)
+bool
+has_suffix_c(const char *s, int c)
{
return *s && s[strlen(s) - 1] == c;
}
/* trim_suffix_c deletes c from the end of non-NULL string s if it's
* present, shortening s by 1. Only one instance of c is removed. */
-void trim_suffix_c(char *s, int c)
+void
+trim_suffix_c(char *s, int c)
{
if (!*s)
return;
/* to_lower runs all of s through tolower(3). */
-void to_lower(char *s)
+void
+to_lower(char *s)
{
unsigned char *b;
/* to_upper runs all of s through toupper(3). */
-void to_upper(char *s)
+void
+to_upper(char *s)
{
unsigned char *b;
int
-nmh_init(const char *argv0, int read_context) {
+nmh_init(const char *argv0, bool read_context, bool check_version)
+{
int status = OK;
char *locale;
/* Read context, if supposed to. */
if (read_context) {
- int allow_version_check = 1;
- int check_older_version = 0;
char *cp;
context_read();
- if (read_context != 1 ||
+ bool allow_version_check = true;
+ bool check_older_version = false;
+ if (!check_version ||
((cp = context_find ("Welcome")) && strcasecmp (cp, "disable") == 0)) {
- allow_version_check = 0;
+ allow_version_check = false;
} else if ((cp = getenv ("MHCONTEXT")) != NULL && *cp != '\0') {
/* Context file comes from $MHCONTEXT, so only print the message
if the context file has an older version. If it does, or if it
doesn't have a version at all, update the version. */
- check_older_version = 1;
+ check_older_version = true;
}
/* Check to see if the user is running a different (or older, if
specified) version of nmh than they had run before, and notify them
- if so. But only if read_context was set to a value to enable. */
+ if so. */
if (allow_version_check && isatty (fileno (stdin)) &&
isatty (fileno (stdout)) && isatty (fileno (stderr))) {
if (nmh_version_changed (check_older_version)) {
* use that prefix here.
*/
int
-nmh_version_changed (int older) {
+nmh_version_changed (int older)
+{
const char *const context_version = context_find("Version");
if (older) {
}
-/*
- * Scan for any 8-bit characters. Return 1 if they exist.
- *
- * Scan up until the given endpoint (but not the actual endpoint itself).
- * If the endpoint is NULL, scan until a '\0' is reached.
- */
-
-int
+/* contains8bit returns true if any byte from start onwards fails
+ * isascii(3), i.e. is outside [0, 0x7f]. If start is NULL it returns
+ * false. Bytes are examined until a NUL byte, or, if end is not NULL,
+ * whilst start is before end. */
+bool
contains8bit(const char *start, const char *end)
{
- if (! start)
- return 0;
+ const char *p;
+ char c;
- while (*start != '\0' && (!end || (start < end)))
- if (! isascii((unsigned char) *start++))
- return 1;
+ if (!start)
+ return false;
- return 0;
+ p = start;
+ if (end) {
+ while (p < end && (c = (*p++)))
+ if (!isascii((unsigned char)c))
+ return true;
+ } else {
+ while ((c = (*p++)))
+ if (!isascii((unsigned char)c))
+ return true;
+ }
+
+ return false;
}
* See if input has any 8-bit bytes.
*/
int
-scan_input (int fd, int *eightbit) {
+scan_input (int fd, int *eightbit)
+{
int state;
char buf[BUFSIZ];
* Convert an int to a char string.
*/
char *
-m_str(int value) {
+m_str(int value)
+{
return m_strn(value, 0);
}
#define SIZE(n) (sizeof STR(n))
char *
-m_strn(int value, unsigned int width) {
+m_strn(int value, unsigned int width)
+{
/* Need to include space for negative sign. But don't use INT_MIN
because it could be a macro that would fool SIZE(n). */
static char buffer[SIZE(-INT_MAX)];
projects / nmh / blobdiff