=================================================================== RCS file: /cvs/mandoc/man.c,v retrieving revision 1.29 retrieving revision 1.32 diff -u -p -r1.29 -r1.32 --- mandoc/man.c 2009/08/13 11:45:29 1.29 +++ mandoc/man.c 2009/08/19 12:00:46 1.32 @@ -1,4 +1,4 @@ -/* $Id: man.c,v 1.29 2009/08/13 11:45:29 kristaps Exp $ */ +/* $Id: man.c,v 1.32 2009/08/19 12:00:46 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -40,7 +40,8 @@ const char *const __man_merrnames[WERRMAX] = { "expected empty block head", /* WNHEADARGS */ "unknown macro", /* WMACRO */ "ill-formed macro", /* WMACROFORM */ - "scope open on exit" /* WEXITSCOPE */ + "scope open on exit", /* WEXITSCOPE */ + "no scope context" /* WNOSCOPE */ }; const char *const __man_macronames[MAN_MAX] = { @@ -50,7 +51,8 @@ const char *const __man_macronames[MAN_MAX] = { "BI", "IB", "BR", "RB", "R", "B", "I", "IR", "RI", "na", "i", "sp", - "nf", "fi", "r" + "nf", "fi", "r", "RE", + "RS" }; const char * const *man_macronames = __man_macronames; @@ -63,8 +65,14 @@ static int man_ptext(struct man *, int, char *); static int man_pmacro(struct man *, int, char *); static void man_free1(struct man *); static int man_alloc1(struct man *); +static int pstring(struct man *, int, int, + const char *, size_t); +#ifdef __linux__ +extern size_t strlcpy(char *, const char *, size_t); +#endif + const struct man_node * man_node(const struct man *m) { @@ -257,14 +265,17 @@ man_node_alloc(int line, int pos, enum man_type type, int -man_elem_alloc(struct man *man, int line, int pos, int tok) +man_elem_alloc(struct man *m, int line, int pos, int tok) { struct man_node *p; p = man_node_alloc(line, pos, MAN_ELEM, tok); if (NULL == p) return(0); - return(man_node_append(man, p)); + if ( ! man_node_append(m, p)) + return(0); + m->next = MAN_NEXT_CHILD; + return(1); } @@ -313,21 +324,43 @@ man_block_alloc(struct man *m, int line, int pos, int } -int -man_word_alloc(struct man *man, - int line, int pos, const char *word) +static int +pstring(struct man *m, int line, int pos, + const char *p, size_t len) { - struct man_node *p; + struct man_node *n; + size_t sv; - p = man_node_alloc(line, pos, MAN_TEXT, -1); - if (NULL == p) + n = man_node_alloc(line, pos, MAN_TEXT, -1); + if (NULL == n) return(0); - if (NULL == (p->string = strdup(word))) + + n->string = malloc(len + 1); + if (NULL == n->string) { + free(n); return(0); - return(man_node_append(man, p)); + } + + sv = strlcpy(n->string, p, len + 1); + + /* Prohibit truncation. */ + assert(sv < len + 1); + + if ( ! man_node_append(m, n)) + return(0); + m->next = MAN_NEXT_SIBLING; + return(1); } +int +man_word_alloc(struct man *m, int line, int pos, const char *word) +{ + + return(pstring(m, line, pos, word, strlen(word))); +} + + void man_node_free(struct man_node *p) { @@ -357,12 +390,42 @@ man_node_freelist(struct man_node *p) static int man_ptext(struct man *m, int line, char *buf) { + int i, j; - /* First allocate word. */ + /* First de-chunk and allocate words. */ - if ( ! man_word_alloc(m, line, 0, buf)) + for (i = 0; ' ' == buf[i]; i++) + /* Skip leading whitespace. */ ; + if (0 == buf[i]) { + if ( ! pstring(m, line, 0, &buf[i], 0)) + return(0); + goto descope; + } + + for (j = i; buf[i]; i++) { + if (' ' != buf[i]) + continue; + + /* Escaped whitespace. */ + if (i && ' ' == buf[i] && '\\' == buf[i - 1]) + continue; + + buf[i++] = 0; + if ( ! pstring(m, line, j, &buf[j], (size_t)(i - j))) + return(0); + + for ( ; ' ' == buf[i]; i++) + /* Skip trailing whitespace. */ ; + + j = i; + if (0 == buf[i]) + break; + } + + if (j != i && ! pstring(m, line, j, &buf[j], (size_t)(i - j))) return(0); - m->next = MAN_NEXT_SIBLING; + +descope: /* * Co-ordinate what happens with having a next-line scope open: