+ len = 1;
+ p--;
+ break;
+ }
+
+ if (term) {
+ for ( ; *p && term != *p; p++)
+ if (ASCII_HYPH == *p)
+ *p = '-';
+ return(*p ? (int)(p - sv) : 0);
+ }
+
+ for (i = 0; *p && i < len; i++, p++)
+ if (ASCII_HYPH == *p)
+ *p = '-';
+ return(i == len ? (int)(p - sv) : 0);
+}
+
+
+void *
+mandoc_calloc(size_t num, size_t size)
+{
+ void *ptr;
+
+ ptr = calloc(num, size);
+ if (NULL == ptr) {
+ perror(NULL);
+ exit((int)MANDOCLEVEL_SYSERR);
+ }
+
+ return(ptr);
+}
+
+
+void *
+mandoc_malloc(size_t size)
+{
+ void *ptr;
+
+ ptr = malloc(size);
+ if (NULL == ptr) {
+ perror(NULL);
+ exit((int)MANDOCLEVEL_SYSERR);
+ }
+
+ return(ptr);
+}
+
+
+void *
+mandoc_realloc(void *ptr, size_t size)
+{
+
+ ptr = realloc(ptr, size);
+ if (NULL == ptr) {
+ perror(NULL);
+ exit((int)MANDOCLEVEL_SYSERR);
+ }
+
+ return(ptr);
+}
+
+
+char *
+mandoc_strdup(const char *ptr)
+{
+ char *p;
+
+ p = strdup(ptr);
+ if (NULL == p) {
+ perror(NULL);
+ exit((int)MANDOCLEVEL_SYSERR);
+ }
+
+ return(p);
+}
+
+/*
+ * Parse a quoted or unquoted roff-style request or macro argument.
+ * Return a pointer to the parsed argument, which is either the original
+ * pointer or advanced by one byte in case the argument is quoted.
+ * Null-terminate the argument in place.
+ * Collapse pairs of quotes inside quoted arguments.
+ * Advance the argument pointer to the next argument,
+ * or to the null byte terminating the argument line.
+ */
+char *
+mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos)
+{
+ char *start, *cp;
+ int quoted, pairs, white;
+
+ /* Quoting can only start with a new word. */
+ start = *cpp;
+ if ('"' == *start) {
+ quoted = 1;
+ start++;
+ } else
+ quoted = 0;
+
+ pairs = 0;
+ white = 0;
+ for (cp = start; '\0' != *cp; cp++) {
+ /* Move left after quoted quotes and escaped backslashes. */
+ if (pairs)
+ cp[-pairs] = cp[0];
+ if ('\\' == cp[0]) {
+ if ('\\' == cp[1]) {
+ /* Poor man's copy mode. */
+ pairs++;
+ cp++;
+ } else if (0 == quoted && ' ' == cp[1])
+ /* Skip escaped blanks. */
+ cp++;
+ } else if (0 == quoted) {
+ if (' ' == cp[0]) {
+ /* Unescaped blanks end unquoted args. */
+ white = 1;
+ break;
+ }
+ } else if ('"' == cp[0]) {
+ if ('"' == cp[1]) {
+ /* Quoted quotes collapse. */
+ pairs++;
+ cp++;
+ } else {
+ /* Unquoted quotes end quoted args. */
+ quoted = 2;
+ break;
+ }
+ }
+ }
+
+ /* Quoted argument without a closing quote. */
+ if (1 == quoted)
+ mandoc_msg(MANDOCERR_BADQUOTE, parse, ln, *pos, NULL);
+
+ /* Null-terminate this argument and move to the next one. */
+ if (pairs)
+ cp[-pairs] = '\0';
+ if ('\0' != *cp) {
+ *cp++ = '\0';
+ while (' ' == *cp)
+ cp++;
+ }
+ *pos += (int)(cp - start) + (quoted ? 1 : 0);
+ *cpp = cp;
+
+ if ('\0' == *cp && (white || ' ' == cp[-1]))
+ mandoc_msg(MANDOCERR_EOLNSPACE, parse, ln, *pos, NULL);
+
+ return(start);
+}
+
+static int
+a2time(time_t *t, const char *fmt, const char *p)
+{
+ struct tm tm;
+ char *pp;
+
+ memset(&tm, 0, sizeof(struct tm));
+
+ pp = strptime(p, fmt, &tm);
+ if (NULL != pp && '\0' == *pp) {
+ *t = mktime(&tm);
+ return(1);
git.ckatri.com / mandoc.git / blobdiff