--- /dev/null
+%{/* nlmheader.y - parse NLM header specification keywords.
+ Copyright (C) 1993 Free Software Foundation, Inc.
+
+This file is part of GNU Binutils.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* Written by Ian Lance Taylor <ian@cygnus.com>.
+
+ This bison file parses the commands recognized by the NetWare NLM
+ linker, except for lists of object files. It stores the
+ information in global variables.
+
+ This implementation is based on the description in the NetWare Tool
+ Maker Specification manual, edition 1.0. */
+
+#include <ansidecl.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <bfd.h>
+#include "sysdep.h"
+#include "bucomm.h"
+#include "nlm/common.h"
+#include "nlm/internal.h"
+#include "nlmconv.h"
+
+/* Information is stored in the structures pointed to by these
+ variables. */
+
+Nlm_Internal_Fixed_Header *fixed_hdr;
+Nlm_Internal_Variable_Header *var_hdr;
+Nlm_Internal_Version_Header *version_hdr;
+Nlm_Internal_Copyright_Header *copyright_hdr;
+Nlm_Internal_Extended_Header *extended_hdr;
+
+/* Procedure named by CHECK. */
+char *check_procedure;
+/* File named by CUSTOM. */
+char *custom_file;
+/* Whether to generate debugging information (DEBUG). */
+boolean debug_info;
+/* Procedure named by EXIT. */
+char *exit_procedure;
+/* Exported symbols (EXPORT). */
+struct string_list *export_symbols;
+/* Map file name (MAP, FULLMAP). */
+char *map_file;
+/* Whether a full map has been requested (FULLMAP). */
+boolean full_map;
+/* File named by HELP. */
+char *help_file;
+/* Imported symbols (IMPORT). */
+struct string_list *import_symbols;
+/* File named by MESSAGES. */
+char *message_file;
+/* Autoload module list (MODULE). */
+struct string_list *modules;
+/* File named by SHARELIB. */
+char *sharelib_file;
+/* Start procedure name (START). */
+char *start_procedure;
+/* VERBOSE. */
+boolean verbose;
+/* RPC description file (XDCDATA). */
+char *rpc_file;
+
+/* The number of serious errors that have occurred. */
+int parse_errors;
+
+/* The current symbol prefix when reading a list of import or export
+ symbols. */
+static char *symbol_prefix;
+
+/* Parser error message handler. */
+#define yyerror(msg) nlmheader_error (msg);
+
+/* Local functions. */
+static int yylex PARAMS ((void));
+static void nlmlex_file_push PARAMS ((const char *));
+static boolean nlmlex_file_open PARAMS ((const char *));
+static int nlmlex_buf_init PARAMS ((void));
+static char nlmlex_buf_add PARAMS ((int));
+static long nlmlex_get_number PARAMS ((const char *));
+static void nlmheader_identify PARAMS ((void));
+static void nlmheader_warn PARAMS ((const char *, int));
+static void nlmheader_error PARAMS ((const char *));
+static struct string_list * string_list_cons PARAMS ((char *,
+ struct string_list *));
+static struct string_list * string_list_append PARAMS ((struct string_list *,
+ struct string_list *));
+static struct string_list * string_list_append1 PARAMS ((struct string_list *,
+ char *));
+static char *xstrdup PARAMS ((const char *));
+
+%}
+
+%union
+{
+ char *string;
+ struct string_list *list;
+};
+
+/* The reserved words. */
+
+%token CHECK CODESTART COPYRIGHT CUSTOM DATE DEBUG DESCRIPTION EXIT
+%token EXPORT FLAG_ON FLAG_OFF FULLMAP HELP IMPORT INPUT MAP MESSAGES
+%token MODULE MULTIPLE OS_DOMAIN OUTPUT PSEUDOPREEMPTION REENTRANT
+%token SCREENNAME SHARELIB STACK STACKSIZE START SYNCHRONIZE
+%token THREADNAME TYPE VERBOSE VERSION XDCDATA
+
+/* Arguments. */
+
+%token <string> STRING
+%token <string> QUOTED_STRING
+
+/* Typed non-terminals. */
+%type <list> symbol_list_opt symbol_list module_list
+%type <string> symbol
+
+%%
+
+/* Keywords must start in the leftmost column of the file. Arguments
+ may appear anywhere else. The lexer uses this to determine what
+ token to return, so we don't have to worry about it here. */
+
+/* The entire file is just a list of commands. */
+
+file:
+ commands
+ ;
+
+/* A possibly empty list of commands. */
+
+commands:
+ /* May be empty. */
+ | command commands
+ ;
+
+/* A single command. There is where most of the work takes place. */
+
+command:
+ CHECK STRING
+ {
+ check_procedure = $2;
+ }
+ | CODESTART STRING
+ {
+ nlmheader_warn ("CODESTART is not implemented; sorry", -1);
+ free ($2);
+ }
+ | COPYRIGHT QUOTED_STRING
+ {
+ int len;
+
+ strncpy (copyright_hdr->stamp, "CoPyRiGhT=", 10);
+ len = strlen ($2);
+ if (len >= NLM_MAX_COPYRIGHT_MESSAGE_LENGTH)
+ {
+ nlmheader_warn ("copyright string is too long",
+ NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1);
+ len = NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1;
+ }
+ copyright_hdr->copyrightMessageLength = len;
+ strncpy (copyright_hdr->copyrightMessage, $2, len);
+ copyright_hdr->copyrightMessage[len] = '\0';
+ free ($2);
+ }
+ | CUSTOM STRING
+ {
+ custom_file = $2;
+ }
+ | DATE STRING STRING STRING
+ {
+ /* We don't set the version stamp here, because we use the
+ version stamp to detect whether the required VERSION
+ keyword was given. */
+ version_hdr->month = nlmlex_get_number ($2);
+ version_hdr->day = nlmlex_get_number ($3);
+ version_hdr->year = nlmlex_get_number ($4);
+ free ($2);
+ free ($3);
+ free ($4);
+ }
+ | DEBUG
+ {
+ debug_info = true;
+ }
+ | DESCRIPTION QUOTED_STRING
+ {
+ int len;
+
+ len = strlen ($2);
+ if (len > NLM_MAX_DESCRIPTION_LENGTH)
+ {
+ nlmheader_warn ("description string is too long",
+ NLM_MAX_DESCRIPTION_LENGTH);
+ len = NLM_MAX_DESCRIPTION_LENGTH;
+ }
+ var_hdr->descriptionLength = len;
+ strncpy (var_hdr->descriptionText, $2, len);
+ var_hdr->descriptionText[len] = '\0';
+ free ($2);
+ }
+ | EXIT STRING
+ {
+ exit_procedure = $2;
+ }
+ | EXPORT
+ {
+ symbol_prefix = NULL;
+ }
+ symbol_list_opt
+ {
+ export_symbols = string_list_append (export_symbols, $3);
+ }
+ | FLAG_ON STRING
+ {
+ fixed_hdr->flags |= nlmlex_get_number ($2);
+ free ($2);
+ }
+ | FLAG_OFF STRING
+ {
+ fixed_hdr->flags &=~ nlmlex_get_number ($2);
+ free ($2);
+ }
+ | FULLMAP STRING
+ {
+ map_file = $2;
+ full_map = true;
+ }
+ | HELP STRING
+ {
+ help_file = $2;
+ }
+ | IMPORT
+ {
+ symbol_prefix = NULL;
+ }
+ symbol_list_opt
+ {
+ import_symbols = string_list_append (import_symbols, $3);
+ }
+ | INPUT STRING
+ {
+ nlmheader_warn ("INPUT not supported", -1);
+ free ($2);
+ }
+ | MAP STRING
+ {
+ map_file = $2;
+ }
+ | MESSAGES STRING
+ {
+ message_file = $2;
+ }
+ | MODULE module_list
+ {
+ modules = string_list_append (modules, $2);
+ }
+ | MULTIPLE
+ {
+ fixed_hdr->flags |= 0x2;
+ }
+ | OS_DOMAIN
+ {
+ fixed_hdr->flags |= 0x10;
+ }
+ | OUTPUT STRING
+ {
+ nlmheader_warn ("OUTPUT not supported", -1);
+ free ($2);
+ }
+ | PSEUDOPREEMPTION
+ {
+ fixed_hdr->flags |= 0x8;
+ }
+ | REENTRANT
+ {
+ fixed_hdr->flags |= 0x1;
+ }
+ | SCREENNAME QUOTED_STRING
+ {
+ int len;
+
+ len = strlen ($2);
+ if (len >= NLM_MAX_SCREEN_NAME_LENGTH)
+ {
+ nlmheader_warn ("screen name is too long",
+ NLM_MAX_SCREEN_NAME_LENGTH);
+ len = NLM_MAX_SCREEN_NAME_LENGTH;
+ }
+ var_hdr->screenNameLength = len;
+ strncpy (var_hdr->screenName, $2, len);
+ var_hdr->screenName[NLM_MAX_SCREEN_NAME_LENGTH] = '\0';
+ free ($2);
+ }
+ | SHARELIB STRING
+ {
+ sharelib_file = $2;
+ }
+ | STACK STRING
+ {
+ var_hdr->stackSize = nlmlex_get_number ($2);
+ free ($2);
+ }
+ | STACKSIZE STRING
+ {
+ var_hdr->stackSize = nlmlex_get_number ($2);
+ free ($2);
+ }
+ | START STRING
+ {
+ start_procedure = $2;
+ }
+ | SYNCHRONIZE
+ {
+ fixed_hdr->flags |= 0x4;
+ }
+ | THREADNAME QUOTED_STRING
+ {
+ int len;
+
+ len = strlen ($2);
+ if (len >= NLM_MAX_THREAD_NAME_LENGTH)
+ {
+ nlmheader_warn ("thread name is too long",
+ NLM_MAX_THREAD_NAME_LENGTH);
+ len = NLM_MAX_THREAD_NAME_LENGTH;
+ }
+ var_hdr->threadNameLength = len;
+ strncpy (var_hdr->threadName, $2, len);
+ var_hdr->screenName[NLM_MAX_THREAD_NAME_LENGTH] = '\0';
+ free ($2);
+ }
+ | TYPE STRING
+ {
+ fixed_hdr->moduleType = nlmlex_get_number ($2);
+ free ($2);
+ }
+ | VERBOSE
+ {
+ verbose = true;
+ }
+ | VERSION STRING STRING STRING
+ {
+ long val;
+
+ strncpy (version_hdr->stamp, "VeRsIoN#", 8);
+ version_hdr->majorVersion = nlmlex_get_number ($2);
+ val = nlmlex_get_number ($3);
+ if (val < 0 || val > 99)
+ nlmheader_warn ("illegal minor version number (must be between 0 and 99)",
+ -1);
+ else
+ version_hdr->minorVersion = val;
+ val = nlmlex_get_number ($4);
+ if (val < 1 || val > 26)
+ nlmheader_warn ("illegal revision number (must be between 1 and 26)",
+ -1);
+ else
+ version_hdr->revision = val;
+ free ($2);
+ free ($3);
+ free ($4);
+ }
+ | VERSION STRING STRING
+ {
+ long val;
+
+ strncpy (version_hdr->stamp, "VeRsIoN#", 8);
+ version_hdr->majorVersion = nlmlex_get_number ($2);
+ val = nlmlex_get_number ($3);
+ if (val < 0 || val > 99)
+ nlmheader_warn ("illegal minor version number (must be between 0 and 99)",
+ -1);
+ else
+ version_hdr->minorVersion = val;
+ version_hdr->revision = 0;
+ free ($2);
+ free ($3);
+ }
+ | XDCDATA STRING
+ {
+ rpc_file = $2;
+ }
+ ;
+
+/* A possibly empty list of symbols. */
+
+symbol_list_opt:
+ /* Empty. */
+ {
+ $$ = NULL;
+ }
+ | symbol_list
+ {
+ $$ = $1;
+ }
+ ;
+
+/* A list of symbols in an import or export list. Prefixes may appear
+ in parentheses. We need to use left recursion here to avoid
+ building up a large import list on the parser stack. */
+
+symbol_list:
+ symbol
+ {
+ $$ = string_list_cons ($1, NULL);
+ }
+ | symbol_prefix
+ {
+ $$ = NULL;
+ }
+ | symbol_list symbol
+ {
+ $$ = string_list_append1 ($1, $2);
+ }
+ | symbol_list symbol_prefix
+ {
+ $$ = $1;
+ }
+ ;
+
+/* A prefix for subsequent symbols. */
+
+symbol_prefix:
+ '(' STRING ')'
+ {
+ if (symbol_prefix != NULL)
+ free (symbol_prefix);
+ symbol_prefix = $2;
+ }
+ ;
+
+/* A single symbol. */
+
+symbol:
+ STRING
+ {
+ if (symbol_prefix == NULL)
+ $$ = $1;
+ else
+ {
+ $$ = xmalloc (strlen (symbol_prefix) + strlen ($1) + 2);
+ sprintf ($$, "%s@%s", symbol_prefix, $1);
+ free ($1);
+ }
+ }
+ ;
+
+/* A list of modules. */
+
+module_list:
+ /* May be empty. */
+ {
+ $$ = NULL;
+ }
+ | STRING module_list
+ {
+ $$ = string_list_cons ($1, $2);
+ }
+ ;
+
+%%
+
+/* If strerror is just a macro, we want to use the one from libiberty
+ since it will handle undefined values. */
+#undef strerror
+extern char *strerror ();
+
+/* The lexer is simple, too simple for flex. Keywords are only
+ recognized at the start of lines. Everything else must be an
+ argument. A comma is treated as whitespace. */
+
+/* The states the lexer can be in. */
+
+enum lex_state
+{
+ /* At the beginning of a line. */
+ BEGINNING_OF_LINE,
+ /* In the middle of a line. */
+ IN_LINE
+};
+
+/* We need to keep a stack of files to handle file inclusion. */
+
+struct input
+{
+ /* The file to read from. */
+ FILE *file;
+ /* The name of the file. */
+ char *name;
+ /* The current line number. */
+ int lineno;
+ /* The current state. */
+ enum lex_state state;
+ /* The next file on the stack. */
+ struct input *next;
+};
+
+/* The current input file. */
+
+static struct input current;
+
+/* The character which introduces comments. */
+#define COMMENT_CHAR '#'
+\f
+/* Start the lexer going on the main input file. */
+
+boolean
+nlmlex_file (name)
+ const char *name;
+{
+ current.next = NULL;
+ return nlmlex_file_open (name);
+}
+
+/* Start the lexer going on a subsidiary input file. */
+
+static void
+nlmlex_file_push (name)
+ const char *name;
+{
+ struct input *push;
+
+ push = (struct input *) xmalloc (sizeof (struct input));
+ *push = current;
+ if (nlmlex_file_open (name))
+ current.next = push;
+ else
+ {
+ current = *push;
+ free (push);
+ }
+}
+
+/* Start lexing from a file. */
+
+static boolean
+nlmlex_file_open (name)
+ const char *name;
+{
+ current.file = fopen (name, "r");
+ if (current.file == NULL)
+ {
+ fprintf (stderr, "%s:%s: %s\n", program_name, name, strerror (errno));
+ ++parse_errors;
+ return false;
+ }
+ current.name = xstrdup (name);
+ current.lineno = 1;
+ current.state = BEGINNING_OF_LINE;
+ return true;
+}
+\f
+/* Table used to turn keywords into tokens. */
+
+struct keyword_tokens_struct
+{
+ const char *keyword;
+ int token;
+};
+
+struct keyword_tokens_struct keyword_tokens[] =
+{
+ { "CHECK", CHECK },
+ { "CODESTART", CODESTART },
+ { "COPYRIGHT", COPYRIGHT },
+ { "CUSTOM", CUSTOM },
+ { "DATE", DATE },
+ { "DEBUG", DEBUG },
+ { "DESCRIPTION", DESCRIPTION },
+ { "EXIT", EXIT },
+ { "EXPORT", EXPORT },
+ { "FLAG_ON", FLAG_ON },
+ { "FLAG_OFF", FLAG_OFF },
+ { "FULLMAP", FULLMAP },
+ { "HELP", HELP },
+ { "IMPORT", IMPORT },
+ { "INPUT", INPUT },
+ { "MAP", MAP },
+ { "MESSAGES", MESSAGES },
+ { "MODULE", MODULE },
+ { "MULTIPLE", MULTIPLE },
+ { "OS_DOMAIN", OS_DOMAIN },
+ { "OUTPUT", OUTPUT },
+ { "PSEUDOPREEMPTION", PSEUDOPREEMPTION },
+ { "REENTRANT", REENTRANT },
+ { "SCREENNAME", SCREENNAME },
+ { "SHARELIB", SHARELIB },
+ { "STACK", STACK },
+ { "STACKSIZE", STACKSIZE },
+ { "START", START },
+ { "SYNCHRONIZE", SYNCHRONIZE },
+ { "THREADNAME", THREADNAME },
+ { "TYPE", TYPE },
+ { "VERBOSE", VERBOSE },
+ { "VERSION", VERSION },
+ { "XDCDATA", XDCDATA }
+};
+
+#define KEYWORD_COUNT (sizeof (keyword_tokens) / sizeof (keyword_tokens[0]))
+\f
+/* The lexer accumulates strings in these variables. */
+static char *lex_buf;
+static int lex_size;
+static int lex_pos;
+
+/* Start accumulating strings into the buffer. */
+#define BUF_INIT() \
+ ((void) (lex_buf != NULL ? lex_pos = 0 : nlmlex_buf_init ()))
+
+static int
+nlmlex_buf_init ()
+{
+ lex_size = 10;
+ lex_buf = xmalloc (lex_size + 1);
+ lex_pos = 0;
+ return 0;
+}
+
+/* Finish a string in the buffer. */
+#define BUF_FINISH() ((void) (lex_buf[lex_pos] = '\0'))
+
+/* Accumulate a character into the buffer. */
+#define BUF_ADD(c) \
+ ((void) (lex_pos < lex_size \
+ ? lex_buf[lex_pos++] = (c) \
+ : nlmlex_buf_add (c)))
+
+static char
+nlmlex_buf_add (c)
+ int c;
+{
+ if (lex_pos >= lex_size)
+ {
+ lex_size *= 2;
+ lex_buf = xrealloc (lex_buf, lex_size + 1);
+ }
+
+ return lex_buf[lex_pos++] = c;
+}
+\f
+/* The lexer proper. This is called by the bison generated parsing
+ code. */
+
+static int
+yylex ()
+{
+ int c;
+
+tail_recurse:
+
+ c = getc (current.file);
+
+ /* Commas are treated as whitespace characters. */
+ while (isspace ((unsigned char) c) || c == ',')
+ {
+ current.state = IN_LINE;
+ if (c == '\n')
+ {
+ ++current.lineno;
+ current.state = BEGINNING_OF_LINE;
+ }
+ c = getc (current.file);
+ }
+
+ /* At the end of the file we either pop to the previous file or
+ finish up. */
+ if (c == EOF)
+ {
+ fclose (current.file);
+ free (current.name);
+ if (current.next == NULL)
+ return 0;
+ else
+ {
+ struct input *next;
+
+ next = current.next;
+ current = *next;
+ free (next);
+ goto tail_recurse;
+ }
+ }
+
+ /* A comment character always means to drop everything until the
+ next newline. */
+ if (c == COMMENT_CHAR)
+ {
+ do
+ {
+ c = getc (current.file);
+ }
+ while (c != '\n');
+ ++current.lineno;
+ current.state = BEGINNING_OF_LINE;
+ goto tail_recurse;
+ }
+
+ /* An '@' introduces an include file. */
+ if (c == '@')
+ {
+ do
+ {
+ c = getc (current.file);
+ if (c == '\n')
+ ++current.lineno;
+ }
+ while (isspace ((unsigned char) c));
+ BUF_INIT ();
+ while (! isspace ((unsigned char) c) && c != EOF)
+ {
+ BUF_ADD (c);
+ c = getc (current.file);
+ }
+ BUF_FINISH ();
+
+ ungetc (c, current.file);
+
+ nlmlex_file_push (lex_buf);
+ goto tail_recurse;
+ }
+
+ /* A non-space character at the start of a line must be the start of
+ a keyword. */
+ if (current.state == BEGINNING_OF_LINE)
+ {
+ BUF_INIT ();
+ while (isalnum ((unsigned char) c) || c == '_')
+ {
+ if (islower ((unsigned char) c))
+ BUF_ADD (toupper ((unsigned char) c));
+ else
+ BUF_ADD (c);
+ c = getc (current.file);
+ }
+ BUF_FINISH ();
+
+ if (c != EOF && ! isspace ((unsigned char) c) && c != ',')
+ {
+ nlmheader_identify ();
+ fprintf (stderr, "%s:%d: illegal character in keyword: %c\n",
+ current.name, current.lineno, c);
+ }
+ else
+ {
+ int i;
+
+ for (i = 0; i < KEYWORD_COUNT; i++)
+ {
+ if (lex_buf[0] == keyword_tokens[i].keyword[0]
+ && strcmp (lex_buf, keyword_tokens[i].keyword) == 0)
+ {
+ /* Pushing back the final whitespace avoids worrying
+ about \n here. */
+ ungetc (c, current.file);
+ current.state = IN_LINE;
+ return keyword_tokens[i].token;
+ }
+ }
+
+ nlmheader_identify ();
+ fprintf (stderr, "%s:%d: unrecognized keyword: %s\n",
+ current.name, current.lineno, lex_buf);
+ }
+
+ ++parse_errors;
+ /* Treat the rest of this line as a comment. */
+ ungetc (COMMENT_CHAR, current.file);
+ goto tail_recurse;
+ }
+
+ /* Parentheses just represent themselves. */
+ if (c == '(' || c == ')')
+ return c;
+
+ /* Handle quoted strings. */
+ if (c == '"' || c == '\'')
+ {
+ int quote;
+ int start_lineno;
+
+ quote = c;
+ start_lineno = current.lineno;
+
+ c = getc (current.file);
+ BUF_INIT ();
+ while (c != quote && c != EOF)
+ {
+ BUF_ADD (c);
+ if (c == '\n')
+ ++current.lineno;
+ c = getc (current.file);
+ }
+ BUF_FINISH ();
+
+ if (c == EOF)
+ {
+ nlmheader_identify ();
+ fprintf (stderr, "%s:%d: end of file in quoted string\n",
+ current.name, start_lineno);
+ ++parse_errors;
+ }
+
+ /* FIXME: Possible memory leak. */
+ yylval.string = xstrdup (lex_buf);
+ return QUOTED_STRING;
+ }
+
+ /* Gather a generic argument. */
+ BUF_INIT ();
+ while (! isspace (c)
+ && c != ','
+ && c != COMMENT_CHAR
+ && c != '('
+ && c != ')')
+ {
+ BUF_ADD (c);
+ c = getc (current.file);
+ }
+ BUF_FINISH ();
+
+ ungetc (c, current.file);
+
+ /* FIXME: Possible memory leak. */
+ yylval.string = xstrdup (lex_buf);
+ return STRING;
+}
+\f
+/* Get a number from a string. */
+
+static long
+nlmlex_get_number (s)
+ const char *s;
+{
+ long ret;
+ char *send;
+
+ ret = strtol (s, &send, 10);
+ if (*send != '\0')
+ nlmheader_warn ("bad number", -1);
+ return ret;
+}
+
+/* Prefix the nlmconv warnings with a note as to where they come from.
+ We don't use program_name on every warning, because then some
+ versions of the emacs next-error function can't recognize the line
+ number. */
+
+static void
+nlmheader_identify ()
+{
+ static int done;
+
+ if (! done)
+ {
+ fprintf (stderr, "%s: problems in NLM command language input:\n",
+ program_name);
+ done = 1;
+ }
+}
+
+/* Issue a warning. */
+
+static void
+nlmheader_warn (s, imax)
+ const char *s;
+ int imax;
+{
+ nlmheader_identify ();
+ fprintf (stderr, "%s:%d: %s", current.name, current.lineno, s);
+ if (imax != -1)
+ fprintf (stderr, " (max %d)", imax);
+ fprintf (stderr, "\n");
+}
+
+/* Report an error. */
+
+static void
+nlmheader_error (s)
+ const char *s;
+{
+ nlmheader_warn (s, -1);
+ ++parse_errors;
+}
+
+/* Add a string to a string list. */
+
+static struct string_list *
+string_list_cons (s, l)
+ char *s;
+ struct string_list *l;
+{
+ struct string_list *ret;
+
+ ret = (struct string_list *) xmalloc (sizeof (struct string_list));
+ ret->next = l;
+ ret->string = s;
+ return ret;
+}
+
+/* Append a string list to another string list. */
+
+static struct string_list *
+string_list_append (l1, l2)
+ struct string_list *l1;
+ struct string_list *l2;
+{
+ register struct string_list **pp;
+
+ for (pp = &l1; *pp != NULL; pp = &(*pp)->next)
+ ;
+ *pp = l2;
+ return l1;
+}
+
+/* Append a string to a string list. */
+
+static struct string_list *
+string_list_append1 (l, s)
+ struct string_list *l;
+ char *s;
+{
+ struct string_list *n;
+ register struct string_list **pp;
+
+ n = (struct string_list *) xmalloc (sizeof (struct string_list));
+ n->next = NULL;
+ n->string = s;
+ for (pp = &l; *pp != NULL; pp = &(*pp)->next)
+ ;
+ *pp = n;
+ return l;
+}
+
+/* Duplicate a string in memory. */
+
+static char *
+xstrdup (s)
+ const char *s;
+{
+ unsigned long len;
+ char *ret;
+
+ len = strlen (s);
+ ret = xmalloc (len + 1);
+ strcpy (ret, s);
+ return ret;
+}
projects / binutils-gdb.git / commitdiff