]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - progs/dump_entry.c
ncurses 6.0 - patch 20170729
[ncurses.git] / progs / dump_entry.c
index d48016e4813003f51f9494282dfcbec479612432..3efe05f4f550229454e858d5f5c15144b4b80607 100644 (file)
@@ -39,7 +39,7 @@
 #include "termsort.c"          /* this C file is generated */
 #include <parametrized.h>      /* so is this */
 
-MODULE_ID("$Id: dump_entry.c,v 1.150 2017/04/05 09:27:40 tom Exp $")
+MODULE_ID("$Id: dump_entry.c,v 1.167 2017/07/15 21:22:01 tom Exp $")
 
 #define DISCARD(string) string = ABSENT_STRING
 #define PRINTF (void) printf
@@ -499,8 +499,9 @@ 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;
                }
            }
@@ -553,22 +554,34 @@ 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;
 
     did_wrap = (width <= 0);
-    if (column > indent
+    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 > WRAPPED ? width : WRAPPED;
        int size;
@@ -583,18 +596,29 @@ wrap_concat(const char *src)
        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';
        }
        /* "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;
+           }
+
            while ((column + (need + gaps)) > used) {
-               size = used;
+               size = used - tag;
                if (step) {
                    strcpy_DYN(&outbuf, align);
                    size -= base;
@@ -609,6 +633,7 @@ wrap_concat(const char *src)
                if (need > 0) {
                    force_wrap();
                    did_wrap = TRUE;
+                   tag = 0;
                }
            }
        }
@@ -617,18 +642,39 @@ wrap_concat(const char *src)
                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)) \
@@ -796,6 +842,30 @@ fmt_complex(TERMTYPE2 *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;
+       unsigned long mm;
+       int bits = sizeof(unsigned long) * 8;
+       int nn;
+       for (nn = 8; nn < bits; ++nn) {
+           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
 
@@ -817,9 +887,8 @@ fmt_entry(TERMTYPE2 *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 */
 
@@ -892,8 +961,13 @@ fmt_entry(TERMTYPE2 *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;
            }
@@ -978,9 +1052,9 @@ fmt_entry(TERMTYPE2 *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);
                    }
@@ -1017,13 +1091,21 @@ fmt_entry(TERMTYPE2 *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 + 1) >= (int) sizeof(buffer)) {
+                               fprintf(stderr,
+                                       "%s: value for %s is too long\n",
+                                       _nc_progname,
+                                       name);
+                               *d = '\0';
+                               break;
+                           }
                            if (*d == ':') {
                                *d++ = '\\';
                                *d = ':';
@@ -1031,14 +1113,22 @@ fmt_entry(TERMTYPE2 *tterm,
                                *++d = *s++;
                            }
                            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);
@@ -1054,8 +1144,7 @@ fmt_entry(TERMTYPE2 *tterm,
                    strcpy_DYN(&tmpbuf, src);
                }
                len += (int) strlen(capability) + 1;
-               wrap_concat(tmpbuf.text);
-               outcount = TRUE;
+               WRAP_CONCAT1(tmpbuf.text);
            }
        }
        /* e.g., trimmed_sgr0 */
@@ -1370,12 +1459,12 @@ dump_entry(TERMTYPE2 *tterm,
            char numbuf[80];
            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) {
@@ -1383,24 +1472,24 @@ dump_entry(TERMTYPE2 *tterm,
                {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:
                    encode_b64(numbuf, padding, 1, &value);
-                   wrap_concat(numbuf);
-                   wrap_concat("==");
+                   wrap_concat1(numbuf);
+                   wrap_concat1("==");
                    break;
                case 2:
                    encode_b64(numbuf, padding, 1, &value);
-                   wrap_concat(numbuf);
-                   wrap_concat("=");
+                   wrap_concat1(numbuf);
+                   wrap_concat1("=");
                    break;
                }
            }
@@ -1497,7 +1586,8 @@ dump_entry(TERMTYPE2 *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",
@@ -1527,7 +1617,7 @@ 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