diff options
Diffstat (limited to 'util/lxbios/layout_file.c')
| -rw-r--r-- | util/lxbios/layout_file.c | 848 |
1 files changed, 0 insertions, 848 deletions
diff --git a/util/lxbios/layout_file.c b/util/lxbios/layout_file.c deleted file mode 100644 index 4e6b12d51b..0000000000 --- a/util/lxbios/layout_file.c +++ /dev/null @@ -1,848 +0,0 @@ -/*****************************************************************************\ - * layout_file.c - * $Id$ - ***************************************************************************** - * Copyright (C) 2002-2005 The Regents of the University of California. - * Produced at the Lawrence Livermore National Laboratory. - * Written by Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>. - * UCRL-CODE-2003-012 - * All rights reserved. - * - * This file is part of nvramtool, a utility for reading/writing coreboot - * parameters and displaying information from the coreboot table. - * For details, see http://coreboot.org/nvramtool. - * - * Please also read the file DISCLAIMER which is included in this software - * distribution. - * - * 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) version 2, dated June 1991. - * - * 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 terms and - * conditions of 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., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. -\*****************************************************************************/ - -#include "common.h" -#include "layout_file.h" -#include "layout.h" -#include "cmos_lowlevel.h" -#include "reg_expr.h" - -static void process_layout_file (FILE *f); -static void skip_past_start (FILE *f); -static int process_entry (FILE *f, int skip_add); -static int process_enum (FILE *f, int skip_add); -static void process_checksum_info (FILE *f); -static void skip_remaining_lines (FILE *f); -static void create_entry (cmos_entry_t *cmos_entry, - const char start_bit_str[], const char length_str[], - const char config_str[], const char config_id_str[], - const char name_str[]); -static void try_add_layout_file_entry (const cmos_entry_t *cmos_entry); -static void create_enum (cmos_enum_t *cmos_enum, const char id_str[], - const char value_str[], const char text_str[]); -static void try_add_cmos_enum (const cmos_enum_t *cmos_enum); -static void set_checksum_info (const char start_str[], const char end_str[], - const char index_str[]); -static char cmos_entry_char_value (cmos_entry_config_t config); -static int get_layout_file_line (FILE *f, char line[], int line_buf_size); -static unsigned string_to_unsigned (const char str[], const char str_name[]); -static unsigned long string_to_unsigned_long (const char str[], - const char str_name[]); -static unsigned long do_string_to_unsigned_long (const char str[], - const char str_name[], - const char blurb[]); - -/* matches either a blank line or a comment line */ -static const char blank_or_comment_regex[] = - /* a blank line */ - "(^[[:space:]]+$)" - - "|" /* or ... */ - - /* a line consisting of: optional whitespace followed by */ - "(^[[:space:]]*" - /* a '#' character and optionally, additional characters */ - "#.*$)"; - -static regex_t blank_or_comment_expr; - -/* matches the line in a CMOS layout file indicating the start of the - * "entries" section. - */ -static const char start_entries_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "entries" */ - "entries" - /* followed by optional whitespace */ - "[[:space:]]*$"; - -static regex_t start_entries_expr; - -/* matches the line in a CMOS layout file indicating the start of the - * "enumerations" section - */ -static const char start_enums_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "enumerations" */ - "enumerations" - /* followed by optional whitespace */ - "[[:space:]]*$"; - -static regex_t start_enums_expr; - -/* matches the line in a CMOS layout file indicating the start of the - * "checksums" section - */ -static const char start_checksums_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "checksums" */ - "checksums" - /* followed by optional whitespace */ - "[[:space:]]*$"; - -static regex_t start_checksums_expr; - -/* matches a line in a CMOS layout file specifying a CMOS entry */ -static const char entries_line_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by a chunk of nonwhitespace for start-bit field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for length field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for config field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for config-ID field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for name field */ - "([^[:space:]]+)" - /* followed by optional whitespace */ - "[[:space:]]*$"; - -static regex_t entries_line_expr; - -/* matches a line in a CMOS layout file specifying a CMOS enumeration */ -static const char enums_line_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by a chunk of nonwhitespace for ID field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for value field */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for text field */ - "([^[:space:]]+)" - /* followed by optional whitespace */ - "[[:space:]]*$"; - -static regex_t enums_line_expr; - -/* matches the line in a CMOS layout file specifying CMOS checksum - * information - */ -static const char checksum_line_regex[] = - /* optional whitespace */ - "^[[:space:]]*" - /* followed by "checksum" */ - "checksum" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for first bit of summed area */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for last bit of summed area */ - "([^[:space:]]+)" - /* followed by one or more whitespace characters */ - "[[:space:]]+" - /* followed by a chunk of nonwhitespace for checksum location bit */ - "([^[:space:]]+)" - /* followed by optional whitespace */ - "[[:space:]]*$"; - -static regex_t checksum_line_expr; - -static const int LINE_BUF_SIZE = 256; - -static int line_num; - -static const char *layout_filename = NULL; - -/**************************************************************************** - * set_layout_filename - * - * Set the name of the file we will obtain CMOS layout information from. - ****************************************************************************/ -void set_layout_filename (const char filename[]) - { layout_filename = filename; } - -/**************************************************************************** - * get_layout_from_file - * - * Read CMOS layout information from the user-specified CMOS layout file. - ****************************************************************************/ -void get_layout_from_file (void) - { FILE *f; - - assert(layout_filename != NULL); - - if ((f = fopen(layout_filename, "r")) == NULL) - { fprintf(stderr, "%s: Can not open CMOS layout file %s for reading: " - "%s\n", prog_name, layout_filename, strerror(errno)); - exit(1); - } - - process_layout_file(f); - fclose(f); - } - -/**************************************************************************** - * write_cmos_layout - * - * Write CMOS layout information to file 'f'. The output is written in the - * format that CMOS layout files adhere to. - ****************************************************************************/ -void write_cmos_layout (FILE *f) - { const cmos_entry_t *cmos_entry; - const cmos_enum_t *cmos_enum; - cmos_checksum_layout_t layout; - - fprintf(f, "entries\n"); - - for (cmos_entry = first_cmos_entry(); - cmos_entry != NULL; - cmos_entry = next_cmos_entry(cmos_entry)) - fprintf(f, "%u %u %c %u %s\n", cmos_entry->bit, cmos_entry->length, - cmos_entry_char_value(cmos_entry->config), - cmos_entry->config_id, cmos_entry->name); - - fprintf(f, "\nenumerations\n"); - - for (cmos_enum = first_cmos_enum(); - cmos_enum != NULL; - cmos_enum = next_cmos_enum(cmos_enum)) - fprintf(f, "%u %llu %s\n", cmos_enum->config_id, cmos_enum->value, - cmos_enum->text); - - layout.summed_area_start = cmos_checksum_start; - layout.summed_area_end = cmos_checksum_end; - layout.checksum_at = cmos_checksum_index; - checksum_layout_to_bits(&layout); - fprintf(f, "\nchecksums\nchecksum %u %u %u\n", layout.summed_area_start, - layout.summed_area_end, layout.checksum_at); - } - -/**************************************************************************** - * process_layout_file - * - * Read CMOS layout information from file 'f' and add it to our internal - * repository. - ****************************************************************************/ -static void process_layout_file (FILE *f) - { compile_reg_exprs(REG_EXTENDED | REG_NEWLINE, 7, - blank_or_comment_regex, &blank_or_comment_expr, - start_entries_regex, &start_entries_expr, - entries_line_regex, &entries_line_expr, - start_enums_regex, &start_enums_expr, - enums_line_regex, &enums_line_expr, - start_checksums_regex, &start_checksums_expr, - checksum_line_regex, &checksum_line_expr); - line_num = 1; - skip_past_start(f); - - /* Skip past all entries. We will process these later when we make a - * second pass through the file. - */ - while (!process_entry(f, 1)); - - /* Process all enums, adding them to our internal repository as we go. */ - - if (process_enum(f, 0)) - { fprintf(stderr, "%s: Error: CMOS layout file contains no " - "enumerations.\n", prog_name); - exit(1); - } - - while (!process_enum(f, 0)); - - /* Go back to start of file. */ - line_num = 1; - fseek(f, 0, SEEK_SET); - - skip_past_start(f); - - /* Process all entries, adding them to the repository as we go. We must - * add the entries after the enums, even though they appear in the layout - * file before the enums. This is because the entries are sanity checked - * against the enums as they are added. - */ - - if (process_entry(f, 0)) - { fprintf(stderr, "%s: Error: CMOS layout file contains no entries.\n", - prog_name); - exit(1); - } - - while (!process_entry(f, 0)); - - /* Skip past all enums. They have already been processed. */ - while (!process_enum(f, 1)); - - /* Process CMOS checksum info. */ - process_checksum_info(f); - - /* See if there are any lines left to process. If so, verify that they are - * all either blank lines or comments. - */ - skip_remaining_lines(f); - - free_reg_exprs(7, &blank_or_comment_expr, &start_entries_expr, - &entries_line_expr, &start_enums_expr, - &enums_line_expr, &start_checksums_expr, - &checksum_line_expr); - } - -/**************************************************************************** - * skip_past_start - * - * Skip past the line that marks the start of the "entries" section. - ****************************************************************************/ -static void skip_past_start (FILE *f) - { char line[LINE_BUF_SIZE]; - - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: \"entries\" line not found in CMOS layout file.\n", - prog_name); - exit(1); - } - - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; - - if (!regexec(&start_entries_expr, line, 0, NULL, 0)) - break; - - fprintf(stderr, "%s: Syntax error on line %d of CMOS layout file. " - "\"entries\" line expected.\n", prog_name, line_num); - exit(1); - } - - line_num++; - } - -/**************************************************************************** - * process_entry - * - * Get an entry from "entries" section of file and add it to our repository - * of layout information. Return 0 if an entry was found and processed. - * Return 1 if there are no more entries. - ****************************************************************************/ -static int process_entry (FILE *f, int skip_add) - { static const size_t N_MATCHES = 6; - char line[LINE_BUF_SIZE]; - regmatch_t match[N_MATCHES]; - cmos_entry_t cmos_entry; - int result; - - result = 1; - - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: Unexpected end of CMOS layout file reached while " - "reading \"entries\" section.\n", prog_name); - exit(1); - } - - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; - - if (regexec(&entries_line_expr, line, N_MATCHES, match, 0)) - { if (regexec(&start_enums_expr, line, 0, NULL, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout " - "file.\n", prog_name, line_num); - exit(1); - } - - break; /* start of enumerations reached: no more entries */ - } - - result = 0; /* next layout entry found */ - - if (skip_add) - break; - - line[match[1].rm_eo] = '\0'; - line[match[2].rm_eo] = '\0'; - line[match[3].rm_eo] = '\0'; - line[match[4].rm_eo] = '\0'; - line[match[5].rm_eo] = '\0'; - create_entry(&cmos_entry, &line[match[1].rm_so], &line[match[2].rm_so], - &line[match[3].rm_so], &line[match[4].rm_so], - &line[match[5].rm_so]); - try_add_layout_file_entry(&cmos_entry); - break; - } - - line_num++; - return result; - } - -/**************************************************************************** - * process_enum - * - * Get an enuneration from "enumerations" section of file and add it to our - * repository of layout information. Return 0 if an enumeration was found - * and processed. Return 1 if there are no more enumerations. - ****************************************************************************/ -static int process_enum (FILE *f, int skip_add) - { static const size_t N_MATCHES = 4; - char line[LINE_BUF_SIZE]; - regmatch_t match[N_MATCHES]; - cmos_enum_t cmos_enum; - int result; - - result = 1; - - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: Unexpected end of CMOS layout file reached while " - "reading \"enumerations\" section.\n", prog_name); - exit(1); - } - - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; - - if (regexec(&enums_line_expr, line, N_MATCHES, match, 0)) - { if (regexec(&start_checksums_expr, line, 0, NULL, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout " - "file.\n", prog_name, line_num); - exit(1); - } - - break; /* start of checksums reached: no more enumerations */ - } - - result = 0; /* next layout enumeration found */ - - if (skip_add) - break; - - line[match[1].rm_eo] = '\0'; - line[match[2].rm_eo] = '\0'; - line[match[3].rm_eo] = '\0'; - create_enum(&cmos_enum, &line[match[1].rm_so], &line[match[2].rm_so], - &line[match[3].rm_so]); - try_add_cmos_enum(&cmos_enum); - break; - } - - line_num++; - return result; - } - -/**************************************************************************** - * process_checksum_info - * - * Get line conatining CMOS checksum information. - ****************************************************************************/ -static void process_checksum_info (FILE *f) - { static const size_t N_MATCHES = 4; - char line[LINE_BUF_SIZE]; - regmatch_t match[N_MATCHES]; - - for (; ; line_num++) - { if (get_layout_file_line(f, line, LINE_BUF_SIZE)) - { fprintf(stderr, - "%s: Unexpected end of CMOS layout file reached while " - "reading \"checksums\" section.\n", prog_name); - exit(1); - } - - if (!regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - continue; - - if (regexec(&checksum_line_expr, line, N_MATCHES, match, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout " - "file. \"checksum\" line expected.\n", prog_name, - line_num); - exit(1); - } - - /* checksum line found */ - line[match[1].rm_eo] = '\0'; - line[match[2].rm_eo] = '\0'; - line[match[3].rm_eo] = '\0'; - set_checksum_info(&line[match[1].rm_so], &line[match[2].rm_so], - &line[match[3].rm_so]); - break; - } - } - -/**************************************************************************** - * skip_remaining_lines - * - * Get any remaining lines of unprocessed input. Complain if we find a line - * that contains anything other than comments and whitespace. - ****************************************************************************/ -static void skip_remaining_lines (FILE *f) - { char line[LINE_BUF_SIZE]; - - for (line_num++; - get_layout_file_line(f, line, LINE_BUF_SIZE) == OK; - line_num++) - { if (regexec(&blank_or_comment_expr, line, 0, NULL, 0)) - { fprintf(stderr, "%s: Syntax error on line %d of CMOS layout file: " - "Only comments and/or whitespace allowed after " - "\"checksum\" line.\n", prog_name, line_num); - exit(1); - } - } - } - -/**************************************************************************** - * create_entry - * - * Create a CMOS entry structure representing the given information. Perform - * sanity checking on input parameters. - ****************************************************************************/ -static void create_entry (cmos_entry_t *cmos_entry, - const char start_bit_str[], const char length_str[], - const char config_str[], const char config_id_str[], - const char name_str[]) - { cmos_entry->bit = string_to_unsigned(start_bit_str, "start-bit"); - cmos_entry->length = string_to_unsigned(length_str, "length"); - - if (config_str[1] != '\0') - goto bad_config_str; - - switch (config_str[0]) - { case 'e': - cmos_entry->config = CMOS_ENTRY_ENUM; - break; - - case 'h': - cmos_entry->config = CMOS_ENTRY_HEX; - break; - - case 'r': - cmos_entry->config = CMOS_ENTRY_RESERVED; - break; - - default: - goto bad_config_str; - } - - cmos_entry->config_id = string_to_unsigned(config_id_str, "config-ID"); - - if (strlen(name_str) >= CMOS_MAX_NAME_LENGTH) - { fprintf(stderr, "%s: Error on line %d of CMOS layout file: name too " - "long (max length is %d).\n", prog_name, line_num, - CMOS_MAX_NAME_LENGTH - 1); - exit(1); - } - - strcpy(cmos_entry->name, name_str); - return; - -bad_config_str: - fprintf(stderr, "%s: Error on line %d of CMOS layout file: 'e', 'h', or " - "'r' expected for config value.\n", prog_name, line_num); - exit(1); - } - -/**************************************************************************** - * try_add_layout_file_entry - * - * Attempt to add the given CMOS entry to our internal repository. Exit with - * an error message on failure. - ****************************************************************************/ -static void try_add_layout_file_entry (const cmos_entry_t *cmos_entry) - { const cmos_entry_t *conflict; - - switch (add_cmos_entry(cmos_entry, &conflict)) - { case OK: - return; - - case CMOS_AREA_OUT_OF_RANGE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. Area " - "covered by entry %s is out of range.\n", prog_name, - line_num, cmos_entry->name); - break; - - case CMOS_AREA_TOO_WIDE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. Area " - "covered by entry %s is too wide.\n", prog_name, line_num, - cmos_entry->name); - break; - - case LAYOUT_ENTRY_OVERLAP: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. Layouts " - "overlap for entries %s and %s.\n", prog_name, line_num, - cmos_entry->name, conflict->name); - break; - - case LAYOUT_ENTRY_BAD_LENGTH: - /* Silently ignore entries with zero length. Although this should - * never happen in practice, we should handle the case in a - * reasonable manner just to be safe. - */ - return; - - default: - BUG(); - } - - exit(1); - } - -/**************************************************************************** - * create_enum - * - * Create a CMOS enumeration structure representing the given information. - * Perform sanity checking on input parameters. - ****************************************************************************/ -static void create_enum (cmos_enum_t *cmos_enum, const char id_str[], - const char value_str[], const char text_str[]) - { cmos_enum->config_id = string_to_unsigned(id_str, "ID"); - cmos_enum->value = string_to_unsigned_long(value_str, "value"); - - if (strlen(text_str) >= CMOS_MAX_TEXT_LENGTH) - { fprintf(stderr, "%s: Error on line %d of CMOS layout file: text too " - "long (max length is %d).\n", prog_name, line_num, - CMOS_MAX_TEXT_LENGTH - 1); - exit(1); - } - - strcpy(cmos_enum->text, text_str); - } - -/**************************************************************************** - * try_add_cmos_enum - * - * Attempt to add the given CMOS enum to our internal repository. Exit with - * an error message on failure. - ****************************************************************************/ -static void try_add_cmos_enum (const cmos_enum_t *cmos_enum) - { switch (add_cmos_enum(cmos_enum)) - { case OK: - return; - - case LAYOUT_DUPLICATE_ENUM: - fprintf(stderr, "%s: Error on line %d of CMOS layout file: " - "Enumeration found with duplicate ID/value combination.\n", - prog_name, line_num); - break; - - default: - BUG(); - } - - exit(1); - } - -/**************************************************************************** - * set_checksum_info - * - * Set CMOS checksum information according to input parameters and perform - * sanity checking on input parameters. - ****************************************************************************/ -static void set_checksum_info (const char start_str[], const char end_str[], - const char index_str[]) - { cmos_checksum_layout_t layout; - - /* These are bit positions that we want to convert to byte positions. */ - layout.summed_area_start = - string_to_unsigned(start_str, "CMOS checksummed area start"); - layout.summed_area_end = - string_to_unsigned(end_str, "CMOS checksummed area end"); - layout.checksum_at = - string_to_unsigned(index_str, "CMOS checksum location"); - - switch (checksum_layout_to_bytes(&layout)) - { case OK: - break; - - case LAYOUT_SUMMED_AREA_START_NOT_ALIGNED: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area start is not byte-aligned.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_SUMMED_AREA_END_NOT_ALIGNED: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area end is not byte-aligned.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_CHECKSUM_LOCATION_NOT_ALIGNED: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksum location is not byte-aligned.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_INVALID_SUMMED_AREA: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area end must be greater than CMOS checksummed " - "area start.\n", prog_name, line_num); - goto fail; - - case LAYOUT_CHECKSUM_OVERLAPS_SUMMED_AREA: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksum overlaps checksummed area.\n", prog_name, - line_num); - goto fail; - - case LAYOUT_SUMMED_AREA_OUT_OF_RANGE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksummed area out of range.\n", prog_name, line_num); - goto fail; - - case LAYOUT_CHECKSUM_LOCATION_OUT_OF_RANGE: - fprintf(stderr, "%s: Error on line %d of CMOS layout file. CMOS " - "checksum location out of range.\n", prog_name, line_num); - goto fail; - - default: - BUG(); - } - - cmos_checksum_start = layout.summed_area_start; - cmos_checksum_end = layout.summed_area_end; - cmos_checksum_index = layout.checksum_at; - return; - -fail: - exit(1); - } - -/**************************************************************************** - * cmos_entry_char_value - * - * Return the character representation of 'config'. - ****************************************************************************/ -static char cmos_entry_char_value (cmos_entry_config_t config) - { switch (config) - { case CMOS_ENTRY_ENUM: - return 'e'; - - case CMOS_ENTRY_HEX: - return 'h'; - - case CMOS_ENTRY_RESERVED: - return 'r'; - - default: - BUG(); - } - - return 0; /* not reached */ - } - -/**************************************************************************** - * get_layout_file_line - * - * Get a line of input from file 'f'. Store result in 'line' which is an - * array of 'line_buf_size' bytes. Return OK on success or an error code on - * failure. - ****************************************************************************/ -static int get_layout_file_line (FILE *f, char line[], int line_buf_size) - { switch (get_line_from_file(f, line, line_buf_size)) - { case OK: - return OK; - - case LINE_EOF: - return LINE_EOF; - - case LINE_TOO_LONG: - fprintf(stderr, "%s: Error on line %d of CMOS layout file: Maximum " - "line length exceeded. Max is %d characters.\n", prog_name, - line_num, line_buf_size - 2); - break; - } - - exit(1); - return 1; /* keep compiler happy */ - } - -/**************************************************************************** - * string_to_unsigned - * - * Convert the string 'str' to an unsigned and return the result. - ****************************************************************************/ -static unsigned string_to_unsigned (const char str[], const char str_name[]) - { unsigned long n; - unsigned z; - - n = do_string_to_unsigned_long(str, str_name, ""); - - if ((z = (unsigned) n) != n) - { /* This could happen on an architecture in which sizeof(unsigned) < - * sizeof(unsigned long). - */ - fprintf(stderr, "%s: Error on line %d of CMOS layout file: %s value is " - "out of range.\n", prog_name, line_num, str_name); - exit(1); - } - - return z; - } - -/**************************************************************************** - * string_to_unsigned_long - * - * Convert the string 'str' to an unsigned long and return the result. - ****************************************************************************/ -static unsigned long string_to_unsigned_long (const char str[], - const char str_name[]) - { return do_string_to_unsigned_long(str, str_name, " long"); } - -/**************************************************************************** - * do_string_to_unsigned_long - * - * Convert the string 'str' to an unsigned long and return the result. Exit - * with an appropriate error message on failure. - ****************************************************************************/ -static unsigned long do_string_to_unsigned_long (const char str[], - const char str_name[], - const char blurb[]) - { unsigned long n; - char *p; - - n = strtoul(str, &p, 0); - - if (*p != '\0') - { fprintf(stderr, "%s: Error on line %d of CMOS layout file: %s is not a " - "valid unsigned%s integer.\n", prog_name, - line_num, str_name, blurb); - exit(1); - } - - return n; - } |