X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=progs%2Fdump_entry.c;h=acafaf76c076499ac05637b1e636d1a3e02d9565;hp=87e3ce332fa0c9d51fefa56a4032e45f2c705560;hb=d30f99439fcc8d4bb4c38e5c4afb4f6555fc6ad4;hpb=7af63696972b12659832a1c3413d9ace9641c8f6 diff --git a/progs/dump_entry.c b/progs/dump_entry.c index 87e3ce33..acafaf76 100644 --- a/progs/dump_entry.c +++ b/progs/dump_entry.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2015,2016 Free Software Foundation, Inc. * + * Copyright 2018-2020,2021 Thomas E. Dickey * + * Copyright 1998-2016,2017 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -39,10 +40,11 @@ #include "termsort.c" /* this C file is generated */ #include /* so is this */ -MODULE_ID("$Id: dump_entry.c,v 1.143 2016/10/09 01:30:14 tom Exp $") +MODULE_ID("$Id: dump_entry.c,v 1.184 2021/04/03 23:01:08 tom Exp $") #define DISCARD(string) string = ABSENT_STRING #define PRINTF (void) printf +#define WRAPPED 32 #define OkIndex(index,array) ((int)(index) >= 0 && (int)(index) < (int) SIZEOF(array)) #define TcOutput() (outform == F_TERMCAP || outform == F_TCONVERR) @@ -62,6 +64,7 @@ static int column; /* current column, limited by 'width' */ static int oldcol; /* last value of column before wrap */ static bool pretty; /* true if we format if-then-else strings */ static bool wrapped; /* true if we wrap too-long strings */ +static bool did_wrap; /* true if last wrap_concat did wrapping */ static bool checking; /* true if we are checking for tic */ static int quickdump; /* true if we are dumping compiled data */ @@ -92,7 +95,7 @@ static int indent = 8; #define OBSOLETE(n) (n[0] == 'O' && n[1] == 'T') #endif -#define isObsolete(f,n) ((f == F_TERMINFO || f == F_VARIABLE) && OBSOLETE(n)) +#define isObsolete(f,n) ((f == F_TERMINFO || f == F_VARIABLE) && (sortmode != S_VARIABLE) && OBSOLETE(n)) #if NCURSES_XNAMES #define BoolIndirect(j) ((j >= BOOLCOUNT) ? (j) : ((sortmode == S_NOSORT) ? j : bool_indirect[j])) @@ -104,9 +107,7 @@ static int indent = 8; #define StrIndirect(j) ((sortmode == S_NOSORT) ? (j) : str_indirect[j]) #endif -static void failed(const char *) GCC_NORETURN; - -static void +static GCC_NORETURN void failed(const char *s) { perror(s); @@ -208,6 +209,8 @@ dump_init(const char *version, checking = check; quickdump = (quick & 3); + did_wrap = (width <= 0); + /* versions */ if (version == 0) tversion = V_ALLCAPS; @@ -295,7 +298,7 @@ dump_init(const char *version, _nc_progname, width, tversion, outform); } -static TERMTYPE *cur_type; +static TERMTYPE2 *cur_type; static int dump_predicate(PredType type, PredIdx idx) @@ -318,7 +321,7 @@ dump_predicate(PredType type, PredIdx idx) return (FALSE); /* pacify compiler */ } -static void set_obsolete_termcaps(TERMTYPE *tp); +static void set_obsolete_termcaps(TERMTYPE2 *tp); /* is this the index of a function key string? */ #define FNKEY(i) \ @@ -428,10 +431,12 @@ static int op_length(const char *src, int offset) { int result = 0; - int ch; + if (offset > 0 && src[offset - 1] == '\\') { result = 0; } else { + int ch; + result++; /* for '%' mark */ ch = src[offset + result]; if (TcOutput()) { @@ -472,10 +477,12 @@ static int find_split(const char *src, int step, int size) { int result = size; - int n; + if (size > 0) { /* check if that would split a backslash-sequence */ int mark = size; + int n; + for (n = size - 1; n > 0; --n) { int ch = UChar(src[step + n]); if (ch == '\\') { @@ -495,8 +502,9 @@ find_split(const char *src, int step, int size) int ch = UChar(src[step + n]); if (ch == '%') { int need = op_length(src, step + n); - if ((n + need) > size) + if ((n + need) > size) { mark = n; + } break; } } @@ -520,13 +528,13 @@ fill_spaces(const char *src) size_t size = strlen(fill); char *result = 0; int pass; - int s, d; + size_t s, d; for (pass = 0; pass < 2; ++pass) { for (s = d = 0; src[s] != '\0'; ++s) { if (src[s] == ' ') { if (pass) { - strcpy(&result[d], fill); - d += (int) size; + _nc_STRCPY(&result[d], fill, need + 1 - d); + d += size; } else { need += size; } @@ -549,75 +557,126 @@ fill_spaces(const char *src) return result; } +typedef enum { + wOFF = 0 + ,w1ST = 1 + ,w2ND = 2 + ,wEND = 4 + ,wERR = 8 +} WRAPMODE; + +#define wrap_1ST(mode) ((mode)&w1ST) +#define wrap_END(mode) ((mode)&wEND) +#define wrap_ERR(mode) ((mode)&wERR) + static void -wrap_concat(const char *src) +wrap_concat(const char *src, int need, unsigned mode) { - int need = (int) strlen(src); int gaps = (int) strlen(separator); int want = gaps + need; - if (column > indent + did_wrap = (width <= 0); + if (wrap_1ST(mode) + && column > indent && column + want > width) { force_wrap(); } - if (wrapped && + if ((wrap_END(mode) && !wrap_ERR(mode)) && + wrapped && (width >= 0) && - (column + want) > width && - (!TcOutput() || strncmp(src, "..", 2))) { + (column + want) > width) { int step = 0; - int used = width > 32 ? width : 32; - int size = used; + int used = width > WRAPPED ? width : WRAPPED; int base = 0; char *p, align[9]; const char *my_t = trailer; char *fill = fill_spaces(src); + int last = (int) strlen(fill); - need = (int) strlen(fill); + need = last; if (TcOutput()) trailer = "\\\n\t "; - if ((p = strchr(fill, '=')) != 0) { + if (!TcOutput() && (p = strchr(fill, '=')) != 0) { base = (int) (p + 1 - fill); if (base > 8) base = 8; _nc_SPRINTF(align, _nc_SLIMIT(align) "%*s", base, " "); + } else if (column > 8) { + base = column - 8; + if (base > 8) + base = 8; + _nc_SPRINTF(align, _nc_SLIMIT(align) "%*s", base, " "); } else { align[base] = '\0'; } - while ((column + (need + gaps)) > used) { - size = used; - if (size > ((int) strlen(fill) - step)) { - size = ((int) strlen(fill) - step); + /* "pretty" overrides wrapping if it already split the line */ + if (!pretty || strchr(fill, '\n') == 0) { + int tag = 0; + + if (TcOutput() && outbuf.used && !wrap_1ST(mode)) { + tag = 3; } - if (step) { - strcpy_DYN(&outbuf, align); - size -= base; + + while ((column + (need + gaps)) > used) { + int size = used - tag; + if (step) { + strcpy_DYN(&outbuf, align); + size -= base; + } + if (size > (last - step)) { + size = (last - step); + } + size = find_split(fill, step, size); + strncpy_DYN(&outbuf, fill + step, (size_t) size); + step += size; + need -= size; + if (need > 0) { + force_wrap(); + did_wrap = TRUE; + tag = 0; + } } - size = find_split(fill, step, size); - strncpy_DYN(&outbuf, fill + step, (size_t) size); - step += size; - need -= size; - if (need > 0) - force_wrap(); } if (need > 0) { if (step) strcpy_DYN(&outbuf, align); strcpy_DYN(&outbuf, fill + step); } - strcpy_DYN(&outbuf, separator); + if (wrap_END(mode)) + strcpy_DYN(&outbuf, separator); trailer = my_t; force_wrap(); free(fill); } else { strcpy_DYN(&outbuf, src); - strcpy_DYN(&outbuf, separator); - column += need; + if (wrap_END(mode)) + strcpy_DYN(&outbuf, separator); + column += (int) strlen(src); } } +static void +wrap_concat1(const char *src) +{ + int need = (int) strlen(src); + wrap_concat(src, need, w1ST | wEND); +} + +static void +wrap_concat3(const char *name, const char *eqls, const char *value) +{ + int nlen = (int) strlen(name); + int elen = (int) strlen(eqls); + int vlen = (int) strlen(value); + + wrap_concat(name, nlen + elen + vlen, w1ST); + wrap_concat(eqls, elen + vlen, w2ND); + wrap_concat(value, vlen, wEND); +} + #define IGNORE_SEP_TRAIL(first,last,sep_trail) \ if ((size_t)(last - first) > sizeof(sep_trail)-1 \ && !strncmp(first, sep_trail, sizeof(sep_trail)-1)) \ @@ -661,8 +720,35 @@ indent_DYN(DYNBUF * buffer, int level) strncpy_DYN(buffer, "\t", (size_t) 1); } +/* + * Check if the current line which was begun consists only of a tab and the + * given leading text. + */ +static bool +leading_DYN(DYNBUF * buffer, const char *leading) +{ + bool result = FALSE; + size_t need = strlen(leading); + if (buffer->used > need) { + need = buffer->used - need; + if (!strcmp(buffer->text + need, leading)) { + result = TRUE; + while (--need != 0) { + if (buffer->text[need] == '\n') { + break; + } + if (buffer->text[need] != '\t') { + result = FALSE; + break; + } + } + } + } + return result; +} + bool -has_params(const char *src) +has_params(const char *src, bool formatting) { bool result = FALSE; int len = (int) strlen(src); @@ -680,16 +766,20 @@ has_params(const char *src) } } if (!ifthen) { - result = ((len > 50) && params); + if (formatting) { + result = ((len > 50) && params); + } else { + result = params; + } } return result; } static char * -fmt_complex(TERMTYPE *tterm, const char *capability, char *src, int level) +fmt_complex(TERMTYPE2 *tterm, const char *capability, char *src, int level) { bool percent = FALSE; - bool params = has_params(src); + bool params = has_params(src, TRUE); while (*src != '\0') { switch (*src) { @@ -716,7 +806,7 @@ fmt_complex(TERMTYPE *tterm, const char *capability, char *src, int level) strncpy_DYN(&tmpbuf, "%", (size_t) 1); strncpy_DYN(&tmpbuf, src, (size_t) 1); src++; - params = has_params(src); + params = has_params(src, TRUE); if (!params && *src != '\0' && *src != '%') { strncpy_DYN(&tmpbuf, "\n", (size_t) 1); indent_DYN(&tmpbuf, level + 1); @@ -764,7 +854,7 @@ fmt_complex(TERMTYPE *tterm, const char *capability, char *src, int level) } break; case 'p': - if (percent && params) { + if (percent && params && !leading_DYN(&tmpbuf, "%")) { tmpbuf.text[tmpbuf.used - 1] = '\n'; indent_DYN(&tmpbuf, level + 1); strncpy_DYN(&tmpbuf, "%", (size_t) 1); @@ -785,11 +875,38 @@ fmt_complex(TERMTYPE *tterm, const char *capability, char *src, int level) return src; } +/* + * Make "large" numbers a little easier to read by showing them in hexadecimal + * if they are "close" to a power of two. + */ +static const char * +number_format(int value) +{ + const char *result = "%d"; + + if ((outform != F_TERMCAP) && (value > 255)) { + unsigned long lv = (unsigned long) value; + int bits = sizeof(unsigned long) * 8; + int nn; + + for (nn = 8; nn < bits; ++nn) { + unsigned long mm; + + mm = 1UL << nn; + if ((mm - 16) <= lv && (mm + 16) > lv) { + result = "%#x"; + break; + } + } + } + return result; +} + #define SAME_CAP(n,cap) (&tterm->Strings[n] == &cap) #define EXTRA_CAP 20 int -fmt_entry(TERMTYPE *tterm, +fmt_entry(TERMTYPE2 *tterm, PredFunc pred, int content_only, int suppress_untranslatable, @@ -806,9 +923,8 @@ fmt_entry(TERMTYPE *tterm, PredIdx num_strings = 0; bool outcount = 0; -#define WRAP_CONCAT \ - wrap_concat(buffer); \ - outcount = TRUE +#define WRAP_CONCAT1(s) wrap_concat1(s); outcount = TRUE +#define WRAP_CONCAT WRAP_CONCAT1(buffer) len = 12; /* terminfo file-header */ @@ -881,8 +997,13 @@ fmt_entry(TERMTYPE *tterm, _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "%s@", name); } else { + size_t nn; _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) - "%s#%d", name, tterm->Numbers[i]); + "%s#", name); + nn = strlen(buffer); + _nc_SPRINTF(buffer + nn, _nc_SLIMIT(sizeof(buffer) - nn) + number_format(tterm->Numbers[i]), + tterm->Numbers[i]); if (i + 1 > num_values) num_values = i + 1; } @@ -902,12 +1023,12 @@ fmt_entry(TERMTYPE *tterm, #undef CUR #define CUR tterm-> if (outform == F_TERMCAP) { - if (termcap_reset != ABSENT_STRING) { - if (init_3string != ABSENT_STRING + if (VALID_STRING(termcap_reset)) { + if (VALID_STRING(init_3string) && !strcmp(init_3string, termcap_reset)) DISCARD(init_3string); - if (reset_2string != ABSENT_STRING + if (VALID_STRING(reset_2string) && !strcmp(reset_2string, termcap_reset)) DISCARD(reset_2string); } @@ -967,9 +1088,9 @@ fmt_entry(TERMTYPE *tterm, set_attributes = save_sgr; trimmed_sgr0 = _nc_trim_sgr0(tterm); - if (strcmp(capability, trimmed_sgr0)) + if (strcmp(capability, trimmed_sgr0)) { capability = trimmed_sgr0; - else { + } else { if (trimmed_sgr0 != exit_attribute_mode) free(trimmed_sgr0); } @@ -983,7 +1104,7 @@ fmt_entry(TERMTYPE *tterm, buffer[0] = '\0'; if (predval != FAIL) { - if (capability != ABSENT_STRING + if (VALID_STRING(capability) && i + 1 > num_strings) num_strings = i + 1; @@ -993,12 +1114,11 @@ fmt_entry(TERMTYPE *tterm, WRAP_CONCAT; } else if (TcOutput()) { char *srccap = _nc_tic_expand(capability, TRUE, numbers); - int params = (((i < (int) SIZEOF(parametrized)) && - (i < STRCOUNT)) + int params = ((i < (int) SIZEOF(parametrized)) ? parametrized[i] : ((*srccap == 'k') ? 0 - : has_params(srccap))); + : has_params(srccap, FALSE))); char *cv = _nc_infotocap(name, srccap, params); if (cv == 0) { @@ -1006,28 +1126,45 @@ fmt_entry(TERMTYPE *tterm, _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "%s=!!! %s WILL NOT CONVERT !!!", name, srccap); + WRAP_CONCAT; } else if (suppress_untranslatable) { continue; } else { char *s = srccap, *d = buffer; - _nc_SPRINTF(d, _nc_SLIMIT(sizeof(buffer)) "..%s=", name); - d += strlen(d); + int need = 3 + (int) strlen(name); while ((*d = *s++) != 0) { + if ((d - buffer + 2) >= (int) sizeof(buffer)) { + fprintf(stderr, + "%s: value for %s is too long\n", + _nc_progname, + name); + *d = '\0'; + break; + } if (*d == ':') { *d++ = '\\'; *d = ':'; } else if (*d == '\\') { - *++d = *s++; + if ((*++d = *s++) == '\0') + break; } d++; + *d = '\0'; } + need += (int) (d - buffer); + wrap_concat("..", need, w1ST | wERR); + need -= 2; + wrap_concat(name, need, wOFF | wERR); + need -= (int) strlen(name); + wrap_concat("=", need, w2ND | wERR); + need -= 1; + wrap_concat(buffer, need, wEND | wERR); + outcount = TRUE; } } else { - _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) - "%s=%s", name, cv); + wrap_concat3(name, "=", cv); } len += (int) strlen(capability) + 1; - WRAP_CONCAT; } else { char *src = _nc_tic_expand(capability, outform == F_TERMINFO, numbers); @@ -1043,13 +1180,11 @@ fmt_entry(TERMTYPE *tterm, strcpy_DYN(&tmpbuf, src); } len += (int) strlen(capability) + 1; - wrap_concat(tmpbuf.text); - outcount = TRUE; + WRAP_CONCAT1(tmpbuf.text); } } /* e.g., trimmed_sgr0 */ - if (capability != ABSENT_STRING && - capability != CANCELLED_STRING && + if (VALID_STRING(capability) && capability != tterm->Strings[i]) free(capability); } @@ -1138,9 +1273,11 @@ fmt_entry(TERMTYPE *tterm, if (outcount) { bool trimmed = FALSE; j = (PredIdx) outbuf.used; - if (j >= 2 - && outbuf.text[j - 1] == '\t' - && outbuf.text[j - 2] == '\n') { + if (wrapped && did_wrap) { + /* EMPTY */ ; + } else if (j >= 2 + && outbuf.text[j - 1] == '\t' + && outbuf.text[j - 2] == '\n') { outbuf.used -= 2; trimmed = TRUE; } else if (j >= 4 @@ -1175,7 +1312,7 @@ fmt_entry(TERMTYPE *tterm, } static bool -kill_string(TERMTYPE *tterm, char *cap) +kill_string(TERMTYPE2 *tterm, char *cap) { unsigned n; for (n = 0; n < NUM_STRINGS(tterm); ++n) { @@ -1188,7 +1325,7 @@ kill_string(TERMTYPE *tterm, char *cap) } static char * -find_string(TERMTYPE *tterm, char *name) +find_string(TERMTYPE2 *tterm, char *name) { PredIdx n; for (n = 0; n < NUM_STRINGS(tterm); ++n) { @@ -1209,16 +1346,18 @@ find_string(TERMTYPE *tterm, char *name) * make it smaller. */ static int -kill_labels(TERMTYPE *tterm, int target) +kill_labels(TERMTYPE2 *tterm, int target) { int n; int result = 0; - char *cap; - char name[10]; + char name[20]; for (n = 0; n <= 10; ++n) { + char *cap; + _nc_SPRINTF(name, _nc_SLIMIT(sizeof(name)) "lf%d", n); - if ((cap = find_string(tterm, name)) != ABSENT_STRING + cap = find_string(tterm, name); + if (VALID_STRING(cap) && kill_string(tterm, cap)) { target -= (int) (strlen(cap) + 5); ++result; @@ -1234,16 +1373,18 @@ kill_labels(TERMTYPE *tterm, int target) * make it smaller. */ static int -kill_fkeys(TERMTYPE *tterm, int target) +kill_fkeys(TERMTYPE2 *tterm, int target) { int n; int result = 0; - char *cap; - char name[10]; + char name[20]; for (n = 60; n >= 0; --n) { + char *cap; + _nc_SPRINTF(name, _nc_SLIMIT(sizeof(name)) "kf%d", n); - if ((cap = find_string(tterm, name)) != ABSENT_STRING + cap = find_string(tterm, name); + if (VALID_STRING(cap) && kill_string(tterm, cap)) { target -= (int) (strlen(cap) + 5); ++result; @@ -1265,9 +1406,9 @@ one_one_mapping(const char *mapping) { bool result = TRUE; - if (mapping != ABSENT_STRING) { + if (VALID_STRING(mapping)) { int n = 0; - while (mapping[n] != '\0') { + while (mapping[n] != '\0' && mapping[n + 1] != '\0') { if (isLine(mapping[n]) && mapping[n] != mapping[n + 1]) { result = FALSE; @@ -1288,7 +1429,7 @@ one_one_mapping(const char *mapping) #define SHOW_WHY PRINTF static bool -purged_acs(TERMTYPE *tterm) +purged_acs(TERMTYPE2 *tterm) { bool result = FALSE; @@ -1315,16 +1456,16 @@ encode_b64(char *target, char *source, unsigned state, int *saved) switch (state % 3) { case 0: - *target++ = data[ch & 077]; - *saved = (ch >> 6) & 3; + *target++ = data[(ch >> 2) & 077]; + *saved = (ch << 4); break; case 1: - *target++ = data[((ch << 2) | *saved) & 077]; - *saved = (ch >> 4) & 017; + *target++ = data[((ch >> 4) | *saved) & 077]; + *saved = (ch << 2); break; case 2: - *target++ = data[((ch << 4) | *saved) & 077]; - *target++ = data[(ch >> 2) & 077]; + *target++ = data[((ch >> 6) | *saved) & 077]; + *target++ = data[ch & 077]; *saved = 0; break; } @@ -1335,53 +1476,63 @@ encode_b64(char *target, char *source, unsigned state, int *saved) * Dump a single entry. */ void -dump_entry(TERMTYPE *tterm, +dump_entry(TERMTYPE2 *tterm, int suppress_untranslatable, int limited, int numbers, PredFunc pred) { - TERMTYPE save_tterm; + TERMTYPE2 save_tterm; int len, critlen; const char *legend; bool infodump; if (quickdump) { char bigbuf[65536]; - unsigned n; unsigned offset = 0; + separator = ""; trailer = "\n"; indent = 0; + if (_nc_write_object(tterm, bigbuf, &offset, sizeof(bigbuf)) == OK) { char numbuf[80]; + unsigned n; + if (quickdump & 1) { if (outbuf.used) - wrap_concat("\n"); - wrap_concat("hex:"); + wrap_concat1("\n"); + wrap_concat1("hex:"); for (n = 0; n < offset; ++n) { _nc_SPRINTF(numbuf, _nc_SLIMIT(sizeof(numbuf)) "%02X", UChar(bigbuf[n])); - wrap_concat(numbuf); + wrap_concat1(numbuf); } } if (quickdump & 2) { + static char padding[] = + {0, 0}; int value = 0; + if (outbuf.used) - wrap_concat("\n"); - wrap_concat("b64:"); + wrap_concat1("\n"); + wrap_concat1("b64:"); for (n = 0; n < offset; ++n) { encode_b64(numbuf, bigbuf, n, &value); - wrap_concat(numbuf); + wrap_concat1(numbuf); } switch (n % 3) { case 0: break; case 1: - wrap_concat("==="); + encode_b64(numbuf, padding, 1, &value); + wrap_concat1(numbuf); + wrap_concat1("=="); break; case 2: - wrap_concat("=="); + encode_b64(numbuf, padding, 1, &value); + wrap_concat1(numbuf); + wrap_concat1("="); break; } } @@ -1478,7 +1629,8 @@ dump_entry(TERMTYPE *tterm, } if (len > critlen) { (void) fprintf(stderr, - "warning: %s entry is %d bytes long\n", + "%s: %s entry is %d bytes long\n", + _nc_progname, _nc_first_name(tterm->term_names), len); SHOW_WHY("# WARNING: this entry, %d bytes long, may core-dump %s libraries!\n", @@ -1508,7 +1660,7 @@ dump_uses(const char *name, bool infodump) trim_trailing(); _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "%s%s", infodump ? "use=" : "tc=", name); - wrap_concat(buffer); + wrap_concat1(buffer); } int @@ -1547,7 +1699,7 @@ show_entry(void) void compare_entry(PredHook hook, - TERMTYPE *tp GCC_UNUSED, + TERMTYPE2 *tp GCC_UNUSED, bool quiet) /* compare two entries */ { @@ -1606,7 +1758,7 @@ compare_entry(PredHook hook, #define CUR tp-> static void -set_obsolete_termcaps(TERMTYPE *tp) +set_obsolete_termcaps(TERMTYPE2 *tp) { #include "capdefaults.c" } @@ -1616,12 +1768,11 @@ set_obsolete_termcaps(TERMTYPE *tp) * unique. */ void -repair_acsc(TERMTYPE *tp) +repair_acsc(TERMTYPE2 *tp) { if (VALID_STRING(acs_chars)) { - size_t n, m; + size_t n; char mapped[256]; - char extra = 0; unsigned source; unsigned target; bool fix_needed = FALSE; @@ -1636,7 +1787,11 @@ repair_acsc(TERMTYPE *tp) if (acs_chars[n + 1]) n++; } + if (fix_needed) { + size_t m; + char extra = 0; + memset(mapped, 0, sizeof(mapped)); for (n = 0; acs_chars[n] != 0; n++) { source = UChar(acs_chars[n]);