diff options
Diffstat (limited to 'cmd-line-utils/libedit/tokenizer.c')
-rw-r--r-- | cmd-line-utils/libedit/tokenizer.c | 111 |
1 files changed, 57 insertions, 54 deletions
diff --git a/cmd-line-utils/libedit/tokenizer.c b/cmd-line-utils/libedit/tokenizer.c index 5161cdd0a22..7267164e9b6 100644 --- a/cmd-line-utils/libedit/tokenizer.c +++ b/cmd-line-utils/libedit/tokenizer.c @@ -1,4 +1,4 @@ -/* $NetBSD: tokenizer.c,v 1.14 2003/12/05 13:37:48 lukem Exp $ */ +/* $NetBSD: tokenizer.c,v 1.19 2011/07/28 20:50:55 christos Exp $ */ /*- * Copyright (c) 1992, 1993 @@ -40,51 +40,53 @@ static char sccsid[] = "@(#)tokenizer.c 8.1 (Berkeley) 6/4/93"; #endif #endif /* not lint && not SCCSID */ +/* We build this file twice, once as NARROW, once as WIDE. */ /* * tokenize.c: Bourne shell like tokenizer */ #include <string.h> #include <stdlib.h> #include "histedit.h" +#include "chartype.h" typedef enum { Q_none, Q_single, Q_double, Q_one, Q_doubleone } quote_t; -#define IFS "\t \n" - #define TOK_KEEP 1 #define TOK_EAT 2 #define WINCR 20 #define AINCR 10 -#define tok_strdup(a) strdup(a) +#define IFS STR("\t \n") + #define tok_malloc(a) malloc(a) #define tok_free(a) free(a) #define tok_realloc(a, b) realloc(a, b) +#define tok_strdup(a) Strdup(a) -struct tokenizer { - char *ifs; /* In field separator */ +struct TYPE(tokenizer) { + Char *ifs; /* In field separator */ int argc, amax; /* Current and maximum number of args */ - char **argv; /* Argument list */ - char *wptr, *wmax; /* Space and limit on the word buffer */ - char *wstart; /* Beginning of next word */ - char *wspace; /* Space of word buffer */ + Char **argv; /* Argument list */ + Char *wptr, *wmax; /* Space and limit on the word buffer */ + Char *wstart; /* Beginning of next word */ + Char *wspace; /* Space of word buffer */ quote_t quote; /* Quoting state */ int flags; /* flags; */ }; -private void tok_finish(Tokenizer *); +private void FUN(tok,finish)(TYPE(Tokenizer) *); -/* tok_finish(): +/* FUN(tok,finish)(): * Finish a word in the tokenizer. */ private void -tok_finish(Tokenizer *tok) +FUN(tok,finish)(TYPE(Tokenizer) *tok) { *tok->wptr = '\0'; @@ -97,35 +99,35 @@ tok_finish(Tokenizer *tok) } -/* tok_init(): +/* FUN(tok,init)(): * Initialize the tokenizer */ -public Tokenizer * -tok_init(const char *ifs) +public TYPE(Tokenizer) * +FUN(tok,init)(const Char *ifs) { - Tokenizer *tok = (Tokenizer *) tok_malloc(sizeof(Tokenizer)); + TYPE(Tokenizer) *tok = tok_malloc(sizeof(*tok)); if (tok == NULL) return NULL; tok->ifs = tok_strdup(ifs ? ifs : IFS); if (tok->ifs == NULL) { - tok_free((ptr_t)tok); + tok_free(tok); return NULL; } tok->argc = 0; tok->amax = AINCR; - tok->argv = (char **) tok_malloc(sizeof(char *) * tok->amax); + tok->argv = tok_malloc(sizeof(*tok->argv) * tok->amax); if (tok->argv == NULL) { - tok_free((ptr_t)tok->ifs); - tok_free((ptr_t)tok); + tok_free(tok->ifs); + tok_free(tok); return NULL; } tok->argv[0] = NULL; - tok->wspace = (char *) tok_malloc(WINCR); + tok->wspace = tok_malloc(WINCR * sizeof(*tok->wspace)); if (tok->wspace == NULL) { - tok_free((ptr_t)tok->argv); - tok_free((ptr_t)tok->ifs); - tok_free((ptr_t)tok); + tok_free(tok->argv); + tok_free(tok->ifs); + tok_free(tok); return NULL; } tok->wmax = tok->wspace + WINCR; @@ -138,11 +140,11 @@ tok_init(const char *ifs) } -/* tok_reset(): +/* FUN(tok,reset)(): * Reset the tokenizer */ public void -tok_reset(Tokenizer *tok) +FUN(tok,reset)(TYPE(Tokenizer) *tok) { tok->argc = 0; @@ -153,25 +155,25 @@ tok_reset(Tokenizer *tok) } -/* tok_end(): +/* FUN(tok,end)(): * Clean up */ public void -tok_end(Tokenizer *tok) +FUN(tok,end)(TYPE(Tokenizer) *tok) { - tok_free((ptr_t) tok->ifs); - tok_free((ptr_t) tok->wspace); - tok_free((ptr_t) tok->argv); - tok_free((ptr_t) tok); + tok_free(tok->ifs); + tok_free(tok->wspace); + tok_free(tok->argv); + tok_free(tok); } -/* tok_line(): +/* FUN(tok,line)(): * Bourne shell (sh(1)) like tokenizing * Arguments: - * tok current tokenizer state (setup with tok_init()) + * tok current tokenizer state (setup with FUN(tok,init)()) * line line to parse * Returns: * -1 Internal error @@ -186,20 +188,20 @@ tok_end(Tokenizer *tok) * cursorv if !NULL, offset in argv[cursorc] of cursor */ public int -tok_line(Tokenizer *tok, const LineInfo *line, - int *argc, const char ***argv, int *cursorc, int *cursoro) +FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line, + int *argc, const Char ***argv, int *cursorc, int *cursoro) { - const char *ptr; + const Char *ptr; int cc, co; cc = co = -1; ptr = line->buffer; for (ptr = line->buffer; ;ptr++) { if (ptr >= line->lastchar) - ptr = ""; + ptr = STR(""); if (ptr == line->cursor) { cc = tok->argc; - co = tok->wptr - tok->wstart; + co = (int)(tok->wptr - tok->wstart); } switch (*ptr) { case '\'': @@ -357,8 +359,8 @@ tok_line(Tokenizer *tok, const LineInfo *line, tok->flags &= ~TOK_EAT; switch (tok->quote) { case Q_none: - if (strchr(tok->ifs, *ptr) != NULL) - tok_finish(tok); + if (Strchr(tok->ifs, *ptr) != NULL) + FUN(tok,finish)(tok); else *tok->wptr++ = *ptr; break; @@ -389,7 +391,8 @@ tok_line(Tokenizer *tok, const LineInfo *line, if (tok->wptr >= tok->wmax - 4) { size_t size = tok->wmax - tok->wspace + WINCR; - char *s = (char *) tok_realloc(tok->wspace, size); + Char *s = tok_realloc(tok->wspace, + size * sizeof(*s)); if (s == NULL) return (-1); @@ -406,10 +409,9 @@ tok_line(Tokenizer *tok, const LineInfo *line, tok->wmax = s + size; } if (tok->argc >= tok->amax - 4) { - char **p; + Char **p; tok->amax += AINCR; - p = (char **) tok_realloc(tok->argv, - tok->amax * sizeof(char *)); + p = tok_realloc(tok->argv, tok->amax * sizeof(*p)); if (p == NULL) return (-1); tok->argv = p; @@ -418,29 +420,30 @@ tok_line(Tokenizer *tok, const LineInfo *line, tok_line_outok: if (cc == -1 && co == -1) { cc = tok->argc; - co = tok->wptr - tok->wstart; + co = (int)(tok->wptr - tok->wstart); } if (cursorc != NULL) *cursorc = cc; if (cursoro != NULL) *cursoro = co; - tok_finish(tok); - *argv = (const char **)tok->argv; + FUN(tok,finish)(tok); + *argv = (const Char **)tok->argv; *argc = tok->argc; return (0); } -/* tok_str(): +/* FUN(tok,str)(): * Simpler version of tok_line, taking a NUL terminated line * and splitting into words, ignoring cursor state. */ public int -tok_str(Tokenizer *tok, const char *line, int *argc, const char ***argv) +FUN(tok,str)(TYPE(Tokenizer) *tok, const Char *line, int *argc, + const Char ***argv) { - LineInfo li; + TYPE(LineInfo) li; memset(&li, 0, sizeof(li)); li.buffer = line; - li.cursor = li.lastchar = strchr(line, '\0'); - return (tok_line(tok, &li, argc, argv, NULL, NULL)); + li.cursor = li.lastchar = Strchr(line, '\0'); + return (FUN(tok,line)(tok, &li, argc, argv, NULL, NULL)); } |