-
-/*
- * utils.c -- various utility routines
+/* utils.c -- various utility routines
*
* This code is Copyright (c) 2006, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
#include <h/mh.h>
#include <h/utils.h>
+#include <h/signals.h>
+#include "m_mktemp.h"
+#include "makedir.h"
#include <fcntl.h>
-
-/* sbr/signals.c */
-extern int setup_signal_handlers();
-
-/* sbr/m_mktemp.c */
-extern void remove_registered_files_atexit();
+#include <limits.h>
extern char *mhdocdir;
+/* plurals gives the letter ess to indicate a plural noun, or an empty
+ * string as plurals+1 for the singular noun. Used by the PLURALS
+ * macro. */
+const char plurals[] = "s";
+
/*
* We allocate space for messages (msgs array)
* this number of elements at a time.
static char curwd[PATH_MAX];
if (!getcwd (curwd, PATH_MAX)) {
- admonish (NULL, "unable to determine working directory");
+ inform("unable to determine working directory, continuing...");
if (!mypath || !*mypath
|| (strcpy (curwd, mypath), chdir (curwd)) == -1) {
strcpy (curwd, "/");
msgs->msgnums[msgs->size++] = msgnum;
}
-/* Open a form or components file */
-int
-open_form(char **form, char *def)
-{
- int in;
- if (*form) {
- if ((in = open (etcpath (*form), O_RDONLY)) == NOTOK)
- adios (*form, "unable to open form file");
- } else {
- if ((in = open (etcpath (def), O_RDONLY)) == NOTOK)
- adios (def, "unable to open default components file");
- *form = def;
- }
- return in;
-}
-
/*
* Finds first occurrence of str in buf. buf is not a C string but a
}
-/* truncpy copies at most size - 1 chars from non-NULL src to non-NULL
- * dst, and ensures dst is NUL terminated. If size is zero then it
- * aborts as dst cannot be NUL terminated.
+/* truncpy copies at most size - 1 chars from non-NULL src to non-NULL,
+ * non-overlapping, dst, and ensures dst is NUL terminated. If size is
+ * zero then it aborts as dst cannot be NUL terminated.
*
* It's to be used when truncation is intended and correct, e.g.
* reporting a possibly very long external string back to the user. One
void trunccpy(char *dst, const char *src, size_t size)
{
if (!size) {
- advise(NULL, "trunccpy: zero-length destination: \"%.20s\"",
+ inform("trunccpy: zero-length destination: \"%.20s\"",
src ? src : "null");
abort();
}
}
-/* HasPrefix returns true if non-NULL s starts with non-NULL prefix. */
-bool HasPrefix(const char *s, const char *prefix)
+/* has_prefix returns true if non-NULL s starts with non-NULL prefix. */
+bool has_prefix(const char *s, const char *prefix)
{
while (*s && *s == *prefix) {
s++;
}
-/* HasSuffix returns true if non-NULL s ends with non-NULL suffix. */
-bool HasSuffix(const char *s, const char *suffix)
+/* has_suffix returns true if non-NULL s ends with non-NULL suffix. */
+bool has_suffix(const char *s, const char *suffix)
{
size_t ls, lsuf;
}
-/* HasSuffixC returns true if non-NULL string s ends with a c before the
+/* has_suffix_c returns true if non-NULL string s ends with a c before the
* terminating NUL. */
-bool HasSuffixC(const char *s, int c)
+bool has_suffix_c(const char *s, int c)
{
return *s && s[strlen(s) - 1] == c;
}
-/* TrimSuffixC deletes c from the end of non-NULL string s if it's
+/* 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 TrimSuffixC(char *s, int c)
+void trim_suffix_c(char *s, int c)
{
if (!*s)
return;
}
-/* ToLower runs all of s through tolower(3). */
-void ToLower(char *s)
+/* to_lower runs all of s through tolower(3). */
+void to_lower(char *s)
{
unsigned char *b;
}
-/* ToUpper runs all of s through toupper(3). */
-void ToUpper(char *s)
+/* to_upper runs all of s through toupper(3). */
+void to_upper(char *s)
{
unsigned char *b;
}
/* Check to see if the user is running a different (or older, if
- specified) version of nmh than they had run bfore, and notify them
+ 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 (allow_version_check && isatty (fileno (stdin)) &&
isatty (fileno (stdout)) && isatty (fileno (stderr))) {
}
if (! setlocale (LC_ALL, locale)) {
- admonish (NULL, "setlocale failed, check your LC_ALL, LC_CTYPE, and "
- "LANG environment variables");
+ inform("setlocale failed, check your LC_ALL, LC_CTYPE, and LANG "
+ "environment variables, continuing...");
}
return status;
break for versions with multiple decimal points, etc. */
const float current_version = strtof (VERSION, NULL);
const float old_version =
- context_version && HasPrefix(context_version, "nmh-")
+ context_version && has_prefix(context_version, "nmh-")
? strtof (context_version + 4, NULL)
: 99999999;
context_replace ("Version", "nmh-" VERSION);
}
- return old_version < current_version ? 1 : 0;
+ return old_version < current_version;
}
if (context_version == NULL || strcmp(context_version, "nmh-" VERSION) != 0) {
}
-/* Returns copy of argument str with all characters converted to upper
- case, and trimmed whitespace (see cpytrim()) . */
-char *
-upcase (const char *str) {
- char *up = cpytrim (str);
-
- ToUpper(up);
-
- return up;
-}
-
-
/*
* Scan for any 8-bit characters. Return 1 if they exist.
*
char buf[BUFSIZ];
*eightbit = 0;
- lseek (fd, (off_t) 0, SEEK_SET);
+ lseek(fd, 0, SEEK_SET);
while ((state = read (fd, buf, sizeof buf)) > 0) {
if (contains8bit (buf, buf + state)) {
return state == NOTOK ? NOTOK : OK;
}
+
+
+/*
+ * Convert an int to a char string.
+ */
+char *
+m_str(int value) {
+ return m_strn(value, 0);
+}
+
+
+/*
+ * Convert an int to a char string, of limited width if > 0.
+ */
+#define STR(s) #s
+/* SIZE(n) includes NUL. n must just be digits, not an equation. */
+#define SIZE(n) (sizeof STR(n))
+
+char *
+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)];
+ const int num_chars = snprintf(buffer, sizeof buffer, "%d", value);
+
+ return num_chars > 0 && (width == 0 || (unsigned int) num_chars <= width)
+ ? buffer
+ : "?";
+}
projects / nmh / blobdiff