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37 /* This file is completely threadsafe - keep it that way! */
38 #include "cstringutil.h"
49 #include <sys/types.h>
50 #ifdef HAVE_SYS_TIME_H
60 #include "gromacs/utility/basedefinitions.h"
61 #include "gromacs/utility/basenetwork.h"
62 #include "gromacs/utility/fatalerror.h"
63 #include "gromacs/utility/futil.h"
64 #include "gromacs/utility/smalloc.h"
66 int continuing(char *s)
73 if ((sl > 0) && (s[sl-1] == CONTINUE))
86 char *fgets2(char *line, int n, FILE *stream)
89 if (fgets(line, n, stream) == NULL)
93 if ((c = strchr(line, '\n')) != NULL)
99 /* A line not ending in a newline can only occur at the end of a file,
100 * or because of n being too small.
101 * Since both cases occur very infrequently, we can check for EOF.
105 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);
108 if ((c = strchr(line, '\r')) != NULL)
116 void strip_comment (char *line)
125 /* search for a comment mark and replace it by a zero */
126 if ((c = strchr(line, COMMENTSIGN)) != NULL)
132 void upstring (char *str)
136 for (i = 0; (i < (int)strlen(str)); i++)
138 str[i] = toupper(str[i]);
142 void ltrim (char *str)
153 while (('\0' != str[c]) && isspace(str[c]))
159 for (i = c; ('\0' != str[i]); i++)
167 void rtrim (char *str)
177 while ((nul > 0) && ((str[nul] == ' ') || (str[nul] == '\t')) )
184 void trim (char *str)
191 gmx_ctime_r(const time_t *clock, char *buf, int n)
195 #ifdef GMX_NATIVE_WINDOWS
197 ctime_s( tmpbuf, STRLEN, clock );
198 #elif (defined(__sun))
200 ctime_r(clock, tmpbuf, n);
202 ctime_r(clock, tmpbuf);
204 strncpy(buf, tmpbuf, n-1);
210 void nice_header (FILE *out, const char *fn)
212 const char *unk = "onbekend";
222 char timebuf[STRLEN];
227 /* Print a nice header above the file */
229 fprintf (out, "%c\n", COMMENTSIGN);
230 fprintf (out, "%c\tFile '%s' was generated\n", COMMENTSIGN, fn ? fn : unk);
235 gh = gmx_gethostname(buf, 255);
236 /* pw returns null on error (e.g. compute nodes lack /etc/passwd) */
237 user = pw ? pw->pw_name : unk;
244 gmx_ctime_r(&clock, timebuf, STRLEN);
245 fprintf (out, "%c\tBy user: %s (%d)\n", COMMENTSIGN,
246 user ? user : unk, (int) uid);
247 fprintf(out, "%c\tOn host: %s\n", COMMENTSIGN, (gh == 0) ? buf : unk);
249 fprintf (out, "%c\tAt date: %s", COMMENTSIGN, timebuf);
250 fprintf (out, "%c\n", COMMENTSIGN);
254 int gmx_strcasecmp_min(const char *str1, const char *str2)
262 ch1 = toupper(*(str1++));
264 while ((ch1 == '-') || (ch1 == '_'));
267 ch2 = toupper(*(str2++));
269 while ((ch2 == '-') || (ch2 == '_'));
280 int gmx_strncasecmp_min(const char *str1, const char *str2, int n)
285 stri1 = (char *)str1;
286 stri2 = (char *)str2;
291 ch1 = toupper(*(str1++));
293 while ((ch1 == '-') || (ch1 == '_'));
296 ch2 = toupper(*(str2++));
298 while ((ch2 == '-') || (ch2 == '_'));
305 while (ch1 && (str1-stri1 < n) && (str2-stri2 < n));
309 int gmx_strcasecmp(const char *str1, const char *str2)
315 ch1 = toupper(*(str1++));
316 ch2 = toupper(*(str2++));
326 int gmx_strncasecmp(const char *str1, const char *str2, int n)
337 ch1 = toupper(*(str1++));
338 ch2 = toupper(*(str2++));
349 char *gmx_strdup(const char *src)
353 snew(dest, strlen(src)+1);
360 gmx_strndup(const char *src, int n)
371 strncpy(dest, src, len);
376 /* Magic hash init number for Dan J. Bernsteins algorithm.
377 * Do NOT use any other value unless you really know what you are doing.
380 gmx_string_hash_init = 5381;
384 gmx_string_fullhash_func(const char *s, unsigned int hash_init)
388 while ((c = (*s++)) != '\0')
390 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
396 gmx_string_hash_func(const char *s, unsigned int hash_init)
400 while ((c = toupper(*s++)) != '\0')
404 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
411 gmx_wcmatch(const char *pattern, const char *str)
417 /* Skip multiple wildcards in a sequence */
418 while (*pattern == '*' || *pattern == '?')
421 /* For ?, we need to check that there are characters left
427 return GMX_NO_WCMATCH;
435 /* If the pattern ends after the star, we have a match */
440 /* Match the rest against each possible suffix of str */
443 /* Only do the recursive call if the first character
444 * matches. We don't have to worry about wildcards here,
445 * since we have processed them above. */
446 if (*pattern == *str)
449 /* Match the suffix, and return if a match or an error */
450 rc = gmx_wcmatch(pattern, str);
451 if (rc != GMX_NO_WCMATCH)
458 /* If no suffix of str matches, we don't have a match */
459 return GMX_NO_WCMATCH;
461 else if ((*pattern == '?' && *str != 0) || *pattern == *str)
467 return GMX_NO_WCMATCH;
471 /* When the pattern runs out, we have a match if the string has ended. */
472 return (*str == 0) ? 0 : GMX_NO_WCMATCH;
475 char *wrap_lines(const char *buf, int line_width, int indent, gmx_bool bIndentFirst)
478 int i, i0, i2, j, b2len, lspace = 0, l2space = 0;
479 gmx_bool bFirst, bFitsOnLine;
481 /* characters are copied from buf to b2 with possible spaces changed
482 * into newlines and extra space added for indentation.
483 * i indexes buf (source buffer) and i2 indexes b2 (destination buffer)
484 * i0 points to the beginning of the current line (in buf, source)
485 * lspace and l2space point to the last space on the current line
486 * bFirst is set to prevent indentation of first line
487 * bFitsOnLine says if the first space occurred before line_width, if
488 * that is not the case, we have a word longer than line_width which
489 * will also not fit on the next line, so we might as well keep it on
490 * the current line (where it also won't fit, but looks better)
494 b2len = strlen(buf)+1+indent;
499 for (i2 = 0; (i2 < indent); i2++)
508 /* find the last space before end of line */
509 for (i = i0; ((i-i0 < line_width) || (l2space == -1)) && (buf[i]); i++)
512 /* remember the position of a space */
518 /* if we have a newline before the line is full, reset counters */
519 if (buf[i] == '\n' && buf[i+1])
524 /* add indentation after the newline */
525 for (j = 0; (j < indent); j++)
531 /* If we are at the last newline, copy it */
532 if (buf[i] == '\n' && !buf[i+1])
536 /* if we're not at the end of the string */
539 /* check if one word does not fit on the line */
540 bFitsOnLine = (i-i0 <= line_width);
541 /* reset line counters to just after the space */
544 /* if the words fit on the line, and we're beyond the indentation part */
545 if ( (bFitsOnLine) && (l2space >= indent) )
547 /* start a new line */
549 /* and add indentation */
554 line_width -= indent;
559 for (j = 0; (j < indent); j++)
563 /* no extra spaces after indent; */
564 while (buf[i0] == ' ')
579 str_to_int64_t(const char *str, char **endptr)
582 return strtoll(str, endptr, 10);
584 return _strtoi64(str, endptr, 10);
588 char *gmx_step_str(gmx_int64_t i, char *buf)
590 sprintf(buf, "%"GMX_PRId64, i);
594 void parse_digits_from_plain_string(const char *digitstring, int *ndigits, int **digitlist)
598 if (NULL == digitstring)
605 *ndigits = strlen(digitstring);
607 snew(*digitlist, *ndigits);
609 for (i = 0; i < *ndigits; i++)
611 if (digitstring[i] < '0' || digitstring[i] > '9')
613 gmx_fatal(FARGS, "Invalid character in digit-only string: '%c'\n",
616 (*digitlist)[i] = digitstring[i] - '0';
620 static void parse_digits_from_csv_string(const char gmx_unused *digitstring, int gmx_unused *ndigits, int gmx_unused *digitlist)
622 /* TODO Implement csv format to support (e.g.) more than 10
623 different GPUs in a node. */
624 gmx_incons("Not implemented yet");