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37 /* This file is completely threadsafe - keep it that way! */
47 #include <sys/types.h>
50 #ifdef HAVE_SYS_TIME_H
66 #include "gmx_fatal.h"
70 #include "gromacs/fileio/futil.h"
72 int continuing(char *s)
79 if ((sl > 0) && (s[sl-1] == CONTINUE))
92 char *fgets2(char *line, int n, FILE *stream)
95 if (fgets(line, n, stream) == NULL)
99 if ((c = strchr(line, '\n')) != NULL)
105 /* A line not ending in a newline can only occur at the end of a file,
106 * or because of n being too small.
107 * Since both cases occur very infrequently, we can check for EOF.
109 if (!gmx_eof(stream))
111 gmx_fatal(FARGS, "An input file contains a line longer than %d characters, while the buffer passed to fgets2 has size %d. The line starts with: '%20.20s'", n, n, line);
114 if ((c = strchr(line, '\r')) != NULL)
122 void strip_comment (char *line)
131 /* search for a comment mark and replace it by a zero */
132 if ((c = strchr(line, COMMENTSIGN)) != NULL)
138 void upstring (char *str)
142 for (i = 0; (i < (int)strlen(str)); i++)
144 str[i] = toupper(str[i]);
148 void ltrim (char *str)
159 while (('\0' != str[c]) && isspace(str[c]))
165 for (i = c; ('\0' != str[i]); i++)
173 void rtrim (char *str)
183 while ((nul > 0) && ((str[nul] == ' ') || (str[nul] == '\t')) )
190 void trim (char *str)
197 gmx_ctime_r(const time_t *clock, char *buf, int n)
201 #ifdef GMX_NATIVE_WINDOWS
203 ctime_s( tmpbuf, STRLEN, clock );
204 #elif (defined(__sun))
206 ctime_r(clock, tmpbuf, n);
208 ctime_r(clock, tmpbuf);
210 strncpy(buf, tmpbuf, n-1);
216 void nice_header (FILE *out, const char *fn)
218 const char *unk = "onbekend";
220 const char *user = unk;
228 char timebuf[STRLEN];
233 /* Print a nice header above the file */
235 fprintf (out, "%c\n", COMMENTSIGN);
236 fprintf (out, "%c\tFile '%s' was generated\n", COMMENTSIGN, fn ? fn : unk);
241 gh = gmx_gethostname(buf, 255);
242 /* pw returns null on error (e.g. compute nodes lack /etc/passwd) */
243 user = pw ? pw->pw_name : unk;
249 gmx_ctime_r(&clock, timebuf, STRLEN);
250 fprintf (out, "%c\tBy user: %s (%d)\n", COMMENTSIGN,
251 user ? user : unk, (int) uid);
252 fprintf(out, "%c\tOn host: %s\n", COMMENTSIGN, (gh == 0) ? buf : unk);
254 fprintf (out, "%c\tAt date: %s", COMMENTSIGN, timebuf);
255 fprintf (out, "%c\n", COMMENTSIGN);
259 int gmx_strcasecmp_min(const char *str1, const char *str2)
267 ch1 = toupper(*(str1++));
269 while ((ch1 == '-') || (ch1 == '_'));
272 ch2 = toupper(*(str2++));
274 while ((ch2 == '-') || (ch2 == '_'));
285 int gmx_strncasecmp_min(const char *str1, const char *str2, int n)
290 stri1 = (char *)str1;
291 stri2 = (char *)str2;
296 ch1 = toupper(*(str1++));
298 while ((ch1 == '-') || (ch1 == '_'));
301 ch2 = toupper(*(str2++));
303 while ((ch2 == '-') || (ch2 == '_'));
310 while (ch1 && (str1-stri1 < n) && (str2-stri2 < n));
314 int gmx_strcasecmp(const char *str1, const char *str2)
320 ch1 = toupper(*(str1++));
321 ch2 = toupper(*(str2++));
331 int gmx_strncasecmp(const char *str1, const char *str2, int n)
342 ch1 = toupper(*(str1++));
343 ch2 = toupper(*(str2++));
354 char *gmx_strdup(const char *src)
358 snew(dest, strlen(src)+1);
365 gmx_strndup(const char *src, int n)
376 strncpy(dest, src, len);
381 /* Magic hash init number for Dan J. Bernsteins algorithm.
382 * Do NOT use any other value unless you really know what you are doing.
385 gmx_string_hash_init = 5381;
389 gmx_string_fullhash_func(const char *s, unsigned int hash_init)
393 while ((c = (*s++)) != '\0')
395 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
401 gmx_string_hash_func(const char *s, unsigned int hash_init)
405 while ((c = toupper(*s++)) != '\0')
409 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
416 gmx_wcmatch(const char *pattern, const char *str)
422 /* Skip multiple wildcards in a sequence */
423 while (*pattern == '*' || *pattern == '?')
426 /* For ?, we need to check that there are characters left
432 return GMX_NO_WCMATCH;
440 /* If the pattern ends after the star, we have a match */
445 /* Match the rest against each possible suffix of str */
448 /* Only do the recursive call if the first character
449 * matches. We don't have to worry about wildcards here,
450 * since we have processed them above. */
451 if (*pattern == *str)
454 /* Match the suffix, and return if a match or an error */
455 rc = gmx_wcmatch(pattern, str);
456 if (rc != GMX_NO_WCMATCH)
463 /* If no suffix of str matches, we don't have a match */
464 return GMX_NO_WCMATCH;
466 else if ((*pattern == '?' && *str != 0) || *pattern == *str)
472 return GMX_NO_WCMATCH;
476 /* When the pattern runs out, we have a match if the string has ended. */
477 return (*str == 0) ? 0 : GMX_NO_WCMATCH;
480 char *wrap_lines(const char *buf, int line_width, int indent, gmx_bool bIndentFirst)
483 int i, i0, i2, j, b2len, lspace = 0, l2space = 0;
484 gmx_bool bFirst, bFitsOnLine;
486 /* characters are copied from buf to b2 with possible spaces changed
487 * into newlines and extra space added for indentation.
488 * i indexes buf (source buffer) and i2 indexes b2 (destination buffer)
489 * i0 points to the beginning of the current line (in buf, source)
490 * lspace and l2space point to the last space on the current line
491 * bFirst is set to prevent indentation of first line
492 * bFitsOnLine says if the first space occurred before line_width, if
493 * that is not the case, we have a word longer than line_width which
494 * will also not fit on the next line, so we might as well keep it on
495 * the current line (where it also won't fit, but looks better)
499 b2len = strlen(buf)+1+indent;
504 for (i2 = 0; (i2 < indent); i2++)
513 /* find the last space before end of line */
514 for (i = i0; ((i-i0 < line_width) || (l2space == -1)) && (buf[i]); i++)
517 /* remember the position of a space */
523 /* if we have a newline before the line is full, reset counters */
524 if (buf[i] == '\n' && buf[i+1])
529 /* add indentation after the newline */
530 for (j = 0; (j < indent); j++)
536 /* If we are at the last newline, copy it */
537 if (buf[i] == '\n' && !buf[i+1])
541 /* if we're not at the end of the string */
544 /* check if one word does not fit on the line */
545 bFitsOnLine = (i-i0 <= line_width);
546 /* reset line counters to just after the space */
549 /* if the words fit on the line, and we're beyond the indentation part */
550 if ( (bFitsOnLine) && (l2space >= indent) )
552 /* start a new line */
554 /* and add indentation */
559 line_width -= indent;
564 for (j = 0; (j < indent); j++)
568 /* no extra spaces after indent; */
569 while (buf[i0] == ' ')
584 str_to_int64_t(const char *str, char **endptr)
587 return strtoll(str, endptr, 10);
589 return _strtoi64(str, endptr, 10);