1 /* Copyright 1992 Karl Berry
2 Copyright 2007 TeX Users Group
3 Copyright 2014 Clerk Ma
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 #define PATH_SEP_STRING "/"
27 /* openinout.c: open input and output files. */
29 #define BUILDNAMEDIRECT /* avoid malloc for string concat */
31 extern char *unixify (char *); /* in pathsrch.c bkph */
33 extern int shorten_file_name; /* in local.c bkph */
35 #ifdef FUNNY_CORE_DUMP
36 extern void funny_core_dump();
40 #ifdef BUILDNAMEDIRECT
41 // similar to concat, but AVOIDS using malloc, pass in place to put result
42 char *xconcat (char *buffer, char *s1, char *s2)
49 memmove (buffer + n1, buffer, n2 + 1);
50 strncpy (buffer, s1, n1);
55 strcat(buffer + n1, s2);
60 // similar to concat3, but avoids using malloc, pass in place to put result
61 char *xconcat3 (char *buffer, char *s1, char *s2, char *s3)
69 memmove (buffer + n1 + n2, buffer, n3 + 1);
70 strncpy (buffer, s1, n1);
71 strncpy (buffer + n1, s2, n2);
76 strcat(buffer + n1, s2);
77 strcat(buffer + n1 + n2, s3);
84 // separated out 1996/Jan/20 to make easier to read
85 // assumes path does not end in PATH_SEP
86 void patch_in_path (unsigned char *buffer, unsigned char *name, unsigned char *path)
89 strcpy((char *) buffer, (char *) name);
91 xconcat3((char *) buffer, (char *) path, PATH_SEP_STRING, (char *) name);
94 int qualified (unsigned char * name)
96 if (strchr((char *) name, PATH_SEP) != NULL ||
97 strchr((char *) name, '\\') != NULL ||
98 strchr((char *) name, ':') != NULL)
105 (ii) name not qualified
108 int prepend_path_if (unsigned char *buffer, unsigned char *name, char *ext, unsigned char *path)
119 if (strstr((char *)name, ext) == NULL)
122 patch_in_path(buffer, name, path);
128 // Following works on null-terminated strings
129 void check_short_name (unsigned char *s)
131 unsigned char *star, *sdot;
134 if ((star = (unsigned char *) strrchr((char *) s, '\\')) != NULL)
136 else if ((star = (unsigned char *) strrchr((char *) s, '/')) != NULL)
138 else if ((star = (unsigned char *) strchr((char *) s, ':')) != NULL)
143 if ((sdot = (unsigned char *) strchr((char *) star, '.')) != NULL)
146 n = strlen((char *) star);
149 strcpy((char *) star + 8, (char *) star + n);
151 if ((sdot = (unsigned char *) strchr((char *) star, '.')) != NULL)
155 n = strlen((char *) star);
162 /* Following works on both null-terminated names */
163 /* reconvert 254 to '~' in file name 95/Sep/26 */
164 /* reconvert 255 to ' ' in file name 95/Sep/26 */
165 /* we do this in tex3.c start_input() -> scan_file_name() now 95/Sep/26 */
166 /* kpathsea/tilde.c */
167 void retwiddle (unsigned char *s)
169 /* assumes null terminated - 97/June/5 */
170 /* while (*s != '\0' && *s != ' ') { */
173 if (*s == (unsigned char) pseudo_tilde)
175 else if (*s == (unsigned char) pseudo_space)
181 /* in lib/openclose.c */
182 bool open_input (FILE **f, path_constant_type path_index, char *fopen_mode)
184 bool openable = false;
185 char * file_name = NULL;
187 #if defined (FUNNY_CORE_DUMP) && !defined (BibTeX)
188 if (path_index == TEXINPUTPATH &&
189 strncmp (name_of_file + 1, "HackyInputFileNameForCoreDump.tex", 33) == 0)
195 if (strcmp(fopen_mode, "r") == 0)
196 fopen_mode = "rb"; /* so can catch `return' bkph */
199 name_of_file[name_length + 1] = '\0'; /* null terminate */
201 /* reinsert '~' and ' ' in file names - 95/June/5 */
202 /* done late to prevent problems with null_terminate / space_terminate */
203 if (pseudo_tilde != 0 || pseudo_space != 0)
204 retwiddle(name_of_file + 1);
206 /* 8 + 3 file names on Windows NT 95/Feb/20 */
207 if (shorten_file_name)
209 check_short_name(name_of_file + 1);
214 sprintf(log_line, " Open `%s' for input ", name_of_file + 1); /* Pascal */
215 show_line(log_line, 0);
221 file_name = kpse_find_file((const_string)name_of_file + 1, kpse_tex_format, 0);
224 file_name = kpse_find_file((const_string)name_of_file + 1, kpse_fmt_format, 0);
227 file_name = kpse_find_file((const_string)name_of_file + 1, kpse_tfm_format, 0);
231 if (file_name != NULL)
233 strcpy ((char *)name_of_file + 1, file_name);
234 *f = xfopen((char *) file_name, fopen_mode);
237 if (name_of_file[1] == '.' && (name_of_file[2] == PATH_SEP || name_of_file[2] == '\\'))
239 if (name_of_file[1] == '.' && name_of_file[2] == PATH_SEP)
244 while (name_of_file[i + 2] != '\0')
246 name_of_file[i] = name_of_file[i + 2];
250 name_of_file[i] = '\0';
254 name_length = strlen((char *) name_of_file + 1);
256 if (path_index == TFMFILEPATH)
258 tfm_temp = getc (*f);
259 //ungetc(tfm_temp, *f);
262 if (strstr((char *) name_of_file + 1, ".fmt") != NULL)
264 if (format_file == NULL)
266 format_file = xstrdup((char *) name_of_file + 1);
269 else if (strstr((char *)name_of_file+1, ".tfm") != NULL)
271 if (show_tfm_flag && log_opened)
274 n = strlen((char *) name_of_file + 1);
276 if (file_offset + n > max_print_line)
278 putc('\n', log_file);
284 fprintf(log_file, "(%s)", name_of_file + 1);
285 file_offset += n + 3;
288 /* code added 98/Sep/29 to catch first file input */
289 /* is there a problem if this file bombs ? */
290 else if (source_direct == NULL) /* 98/Sep/29 */
294 source_direct = xstrdup((char *) name_of_file + 1);
298 sprintf(log_line, "Methinks the source %s is `%s'\n", "file", source_direct);
299 show_line(log_line, 0);
302 if ((s = strrchr(source_direct, '/')) == NULL)
303 *source_direct = '\0';
309 sprintf(log_line, "Methinks the source %s is `%s'\n", "directory", source_direct);
310 show_line(log_line, 0);
318 unsigned temp_length = strlen((char *) name_of_file + 1);
319 name_of_file[temp_length + 1] = ' '; /* space terminate */
325 /* Call the external program PROGRAM, passing it `name_of_file'. */
326 /* This nonsense probably only works for Unix anyway. bkph */
327 /* For one thing, MakeTeXTFM etc is more than 8 characters ! */
329 char *get_env_shroud (char *); /* defined in texmf.c */
331 extern char * dvi_directory;
332 extern char * log_directory;
333 extern char * aux_directory;
334 extern char * fmt_directory;
335 extern char * pdf_directory;
337 /* At least check for I/O error (such as disk full) when closing */
338 /* Would be better to check while writing - but this is better than nothing */
339 /* This is used for both input and output files, but never mind ... */
341 /* now a_close returns -1 on error --- which could be used by caller */
342 /* probably want to ignore on input files ... */
344 extern void perrormod (char *s); /* in local.c */
346 // check_fclose not used by anything
347 int check_fclose (FILE * f)
350 return 0; // sanity check
352 if (ferror(f) || fclose (f))
354 perrormod("\n! I/O Error");
361 // open_output moved down here to avoid potential pragma problem
362 bool open_output (FILE **f, char *fopen_mode)
364 unsigned temp_length;
366 name_of_file[name_length + 1] = '\0';
368 if (pseudo_tilde != 0 || pseudo_space != 0)
370 retwiddle(name_of_file + 1);
373 /* 8 + 3 file names on Windows NT 95/Feb/20 */
374 if (shorten_file_name)
376 check_short_name(name_of_file + 1);
379 if (prepend_path_if (name_of_file + 1, name_of_file + 1, ".dvi", (unsigned char *) dvi_directory) ||
380 prepend_path_if (name_of_file + 1, name_of_file + 1, ".log", (unsigned char *) log_directory) ||
381 prepend_path_if (name_of_file + 1, name_of_file + 1, ".aux", (unsigned char *) aux_directory) ||
382 prepend_path_if (name_of_file + 1, name_of_file + 1, ".fmt", (unsigned char *) fmt_directory) ||
383 prepend_path_if (name_of_file + 1, name_of_file + 1, ".pdf", (unsigned char *) pdf_directory))
387 sprintf(log_line, "After prepend %s\n", name_of_file + 1);
388 show_line(log_line, 0);
394 sprintf(log_line, " Open `%s' for output ", name_of_file + 1);
395 show_line(log_line, 0);
398 /* Is the filename openable as given? */
400 /* if share_flag is non-zero and we are opening for reading use fsopen */
401 /* but we can assume this is opening here for *output* */
402 *f = fopen((char *) name_of_file + 1, fopen_mode);
404 /* Can't open as given. Try the envvar. */
407 string temp_dir = get_env_shroud ("UFYNGPVU");
409 /* if (deslash) unixify(temp_dir); */ /* deslashify 93/Dec/28 */
411 if (temp_dir != NULL)
413 #ifdef BUILDNAMEDIRECT
414 unsigned char temp_name[PATH_MAX];
415 xconcat3((char *) temp_name, temp_dir, PATH_SEP_STRING, (char *) name_of_file + 1);
417 /* string temp_name = concat3 (temp_dir, "/", name_of_file + 1); */
418 string temp_name = concat3 (temp_dir, PATH_SEP_STRING, name_of_file + 1);
421 unixify((char *) temp_name); /* deslashify 93/Dec/28 */
422 /* If share_flag is non-zero and we are opening for reading use fsopen */
423 /* but we can assume this is opening here for *output* */
424 *f = fopen((char*)temp_name, fopen_mode);
425 /* If this succeeded, change name_of_file accordingly. */
427 strcpy((char*) name_of_file + 1, (char *) temp_name);
428 #ifndef BUILDNAMEDIRECT
434 if (strstr((char *) name_of_file + 1, ".dvi") != NULL)
436 if (qualified(name_of_file + 1))
441 (void) _getcwd(log_line, sizeof(log_line));
443 (void) getcwd(log_line, sizeof(log_line));
445 strcat(log_line, PATH_SEP_STRING);
448 strcat(log_line, (char*) name_of_file + 1);
450 dvi_file_name = xstrdup(log_line);
452 else if (strstr((char *) name_of_file + 1, ".pdf") != NULL)
454 if (qualified(name_of_file + 1))
459 (void) _getcwd(log_line, sizeof(log_line));
461 (void) getcwd(log_line, sizeof(log_line));
463 strcat(log_line, PATH_SEP_STRING);
466 strcat(log_line, (char*) name_of_file + 1);
468 pdf_file_name = xstrdup(log_line);
470 else if (strstr((char *)name_of_file + 1, ".log") != NULL)
472 if (qualified(name_of_file + 1))
477 (void) _getcwd(log_line, sizeof(log_line));
479 (void) getcwd(log_line, sizeof(log_line));
481 strcat(log_line, PATH_SEP_STRING);
484 strcat(log_line, (char *) name_of_file + 1);
486 log_file_name = xstrdup(log_line);
489 temp_length = strlen ((char *)name_of_file + 1);
490 name_of_file[temp_length+1] = ' ';
493 name_length = temp_length;