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- /****************************************************************************
- * tools/cnvwindeps.c
- *
- * Copyright (C) 2016 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <stdio.h>
- #include <stdbool.h>
- #include <stdlib.h>
- #include <string.h>
- #include <ctype.h>
- #include <errno.h>
- #ifdef HOST_CYGWIN
- #include <sys/cygwin.h>
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- #define MAX_LINE 1024
- #define MAX_PATH 1024
- /****************************************************************************
- * Global Data
- ****************************************************************************/
- static unsigned long g_lineno;
- static char g_line[MAX_LINE];
- static char g_dequoted[MAX_PATH];
- static char g_posix[MAX_PATH];
- /****************************************************************************
- * Private Functions
- ****************************************************************************/
- static char *skip_spaces(char *ptr)
- {
- while (*ptr && isspace((int)*ptr)) ptr++;
- return ptr;
- }
- static char *find_spaces(char *ptr)
- {
- bool quoted = false;
- while (*ptr)
- {
- if (ptr[0] == '\\' && isspace((int)ptr[1]))
- {
- quoted = true;
- ptr++;
- }
- else if (!quoted && isspace((int)*ptr))
- {
- break;
- }
- else
- {
- quoted = false;
- ptr++;
- }
- }
- return ptr;
- }
- static bool scour_path(const char *path)
- {
- /* KLUDGE: GNU make cannot handle dependencies with spaces in them.
- * There may be addition characters that cause problems too.
- */
- return strchr(path, ' ') != NULL;
- }
- static bool dequote_path(const char *winpath)
- {
- char *dest = g_dequoted;
- const char *src = winpath;
- int len = 0;
- bool quoted = false;
- while (*src && len < MAX_PATH)
- {
- if (src[0] != '\\' || (src[1] != ' ' && src[1] != '(' && src[1] != ')'))
- {
- *dest++ = *src;
- len++;
- }
- else
- {
- quoted = true;
- }
- src++;
- }
- if (*src || len >= MAX_PATH)
- {
- fprintf(stderr, "%lu: Line truncated\n", g_lineno);
- exit(EXIT_FAILURE);
- }
- *dest = '\0';
- return quoted;
- }
- static bool convert_path(const char *winpath)
- {
- ssize_t size;
- ssize_t ret;
- bool quoted;
- quoted = dequote_path(winpath);
- size = cygwin_conv_path(CCP_WIN_A_TO_POSIX | CCP_RELATIVE, g_dequoted, NULL, 0);
- if (size > MAX_PATH)
- {
- fprintf(stderr, "%lu: POSIX path too long: %lu\n",
- g_lineno, (unsigned long)size);
- exit(EXIT_FAILURE);
- }
- ret = cygwin_conv_path(CCP_WIN_A_TO_POSIX | CCP_RELATIVE, g_dequoted, g_posix, MAX_PATH);
- if (ret < 0)
- {
- fprintf(stderr, "%lu: cygwin_conv_path '%s' failed: %s\n",
- g_lineno, g_dequoted, strerror(errno));
- exit(EXIT_FAILURE);
- }
- return quoted;
- }
- static void show_usage(const char *progname)
- {
- fprintf(stderr, "USAGE: %s <path-to-deps-file>\n", progname);
- exit(EXIT_FAILURE);
- }
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- int main(int argc, char **argv, char **envp)
- {
- char *path;
- char *next;
- FILE *stream;
- bool begin;
- bool quoted;
- bool scouring;
- if (argc != 2)
- {
- fprintf(stderr, "Unexpected number of arguments\n");
- show_usage(argv[0]);
- }
- stream = fopen(argv[1], "r");
- if (!stream)
- {
- fprintf(stderr, "open %s failed: %s\n", argv[1], strerror(errno));
- exit(EXIT_FAILURE);
- }
- begin = true;
- scouring = false;
- g_lineno = 0;
- while (fgets(g_line, MAX_LINE, stream) != NULL)
- {
- g_lineno++;
- next = g_line;
- for (; ; )
- {
- if (begin)
- {
- path = skip_spaces(next);
- if (*path == '#')
- {
- /* The reset of the line is comment */
- puts(path);
- break;
- }
- next = strchr(path, ':');
- if (!next)
- {
- fprintf(stderr, "%lu: Expected colon\n", g_lineno);
- exit(EXIT_FAILURE);
- }
- if (*next != '\0')
- {
- *next++ = '\0';
- }
- scouring = scour_path(path);
- if (!scouring)
- {
- quoted = convert_path(path);
- if (quoted)
- {
- printf("\"%s\":", g_posix);
- }
- else
- {
- printf("%s:", g_posix);
- }
- }
- begin = false;
- }
- else
- {
- path = skip_spaces(next);
- next = find_spaces(path);
- if (path[0] == '\\')
- {
- break;
- }
- else if (strcmp(path, "") == 0)
- {
- printf("\n\n");
- begin = true;
- scouring = false;
- break;
- }
- else
- {
- if (*next != '\0')
- {
- *next++ = '\0';
- }
- if (!scouring && !scour_path(path))
- {
- quoted = convert_path(path);
- if (quoted)
- {
- printf(" \\\n\t\"%s\"", g_posix);
- }
- else
- {
- printf(" \\\n\t%s", g_posix);
- }
- }
- }
- }
- }
- }
- fclose(stream);
- return 0;
- }
- #else /* HOST_CYGWIN */
- int main(int argc, char **argv, char **envp)
- {
- fprintf(stderr, "ERROR: This tool is only available under Cygwin\n");
- return EXIT_FAILURE;
- }
- #endif /* HOST_CYGWIN */
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