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37 /* This file is completely threadsafe - keep it that way! */
38 #include "cstringutil.h"
51 #include <sys/types.h>
52 #ifdef HAVE_SYS_TIME_H
62 #include "gromacs/utility/basedefinitions.h"
63 #include "gromacs/utility/basenetwork.h"
64 #include "gromacs/utility/fatalerror.h"
65 #include "gromacs/utility/futil.h"
66 #include "gromacs/utility/smalloc.h"
68 int continuing(char *s)
75 if ((sl > 0) && (s[sl-1] == CONTINUE))
88 char *fgets2(char *line, int n, FILE *stream)
91 if (fgets(line, n, stream) == NULL)
95 if ((c = strchr(line, '\n')) != NULL)
101 /* A line not ending in a newline can only occur at the end of a file,
102 * or because of n being too small.
103 * Since both cases occur very infrequently, we can check for EOF.
107 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);
110 if ((c = strchr(line, '\r')) != NULL)
118 void strip_comment (char *line)
127 /* search for a comment mark and replace it by a zero */
128 if ((c = strchr(line, COMMENTSIGN)) != NULL)
134 void upstring (char *str)
138 for (i = 0; (i < (int)strlen(str)); i++)
140 str[i] = toupper(str[i]);
144 void ltrim (char *str)
155 while (('\0' != str[c]) && isspace(str[c]))
161 for (i = c; ('\0' != str[i]); i++)
169 void rtrim (char *str)
179 while ((nul > 0) && ((str[nul] == ' ') || (str[nul] == '\t')) )
186 void trim (char *str)
193 gmx_ctime_r(const time_t *clock, char *buf, int n)
197 #ifdef GMX_NATIVE_WINDOWS
199 ctime_s( tmpbuf, STRLEN, clock );
200 #elif (defined(__sun))
202 ctime_r(clock, tmpbuf, n);
204 ctime_r(clock, tmpbuf);
206 strncpy(buf, tmpbuf, n-1);
212 void nice_header (FILE *out, const char *fn)
214 const char *unk = "onbekend";
216 const char *user = unk;
224 char timebuf[STRLEN];
229 /* Print a nice header above the file */
231 fprintf (out, "%c\n", COMMENTSIGN);
232 fprintf (out, "%c\tFile '%s' was generated\n", COMMENTSIGN, fn ? fn : unk);
237 gh = gmx_gethostname(buf, 255);
238 /* pw returns null on error (e.g. compute nodes lack /etc/passwd) */
239 user = pw ? pw->pw_name : unk;
245 gmx_ctime_r(&clock, timebuf, STRLEN);
246 fprintf (out, "%c\tBy user: %s (%d)\n", COMMENTSIGN,
247 user ? user : unk, (int) uid);
248 fprintf(out, "%c\tOn host: %s\n", COMMENTSIGN, (gh == 0) ? buf : unk);
250 fprintf (out, "%c\tAt date: %s", COMMENTSIGN, timebuf);
251 fprintf (out, "%c\n", COMMENTSIGN);
255 int gmx_strcasecmp_min(const char *str1, const char *str2)
263 ch1 = toupper(*(str1++));
265 while ((ch1 == '-') || (ch1 == '_'));
268 ch2 = toupper(*(str2++));
270 while ((ch2 == '-') || (ch2 == '_'));
281 int gmx_strncasecmp_min(const char *str1, const char *str2, int n)
286 stri1 = (char *)str1;
287 stri2 = (char *)str2;
292 ch1 = toupper(*(str1++));
294 while ((ch1 == '-') || (ch1 == '_'));
297 ch2 = toupper(*(str2++));
299 while ((ch2 == '-') || (ch2 == '_'));
306 while (ch1 && (str1-stri1 < n) && (str2-stri2 < n));
310 int gmx_strcasecmp(const char *str1, const char *str2)
316 ch1 = toupper(*(str1++));
317 ch2 = toupper(*(str2++));
327 int gmx_strncasecmp(const char *str1, const char *str2, int n)
338 ch1 = toupper(*(str1++));
339 ch2 = toupper(*(str2++));
350 char *gmx_strdup(const char *src)
354 snew(dest, strlen(src)+1);
361 gmx_strndup(const char *src, int n)
372 strncpy(dest, src, len);
377 /* Magic hash init number for Dan J. Bernsteins algorithm.
378 * Do NOT use any other value unless you really know what you are doing.
381 gmx_string_hash_init = 5381;
385 gmx_string_fullhash_func(const char *s, unsigned int hash_init)
389 while ((c = (*s++)) != '\0')
391 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
397 gmx_string_hash_func(const char *s, unsigned int hash_init)
401 while ((c = toupper(*s++)) != '\0')
405 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
412 gmx_wcmatch(const char *pattern, const char *str)
418 /* Skip multiple wildcards in a sequence */
419 while (*pattern == '*' || *pattern == '?')
422 /* For ?, we need to check that there are characters left
428 return GMX_NO_WCMATCH;
436 /* If the pattern ends after the star, we have a match */
441 /* Match the rest against each possible suffix of str */
444 /* Only do the recursive call if the first character
445 * matches. We don't have to worry about wildcards here,
446 * since we have processed them above. */
447 if (*pattern == *str)
450 /* Match the suffix, and return if a match or an error */
451 rc = gmx_wcmatch(pattern, str);
452 if (rc != GMX_NO_WCMATCH)
459 /* If no suffix of str matches, we don't have a match */
460 return GMX_NO_WCMATCH;
462 else if ((*pattern == '?' && *str != 0) || *pattern == *str)
468 return GMX_NO_WCMATCH;
472 /* When the pattern runs out, we have a match if the string has ended. */
473 return (*str == 0) ? 0 : GMX_NO_WCMATCH;
476 char *wrap_lines(const char *buf, int line_width, int indent, gmx_bool bIndentFirst)
479 int i, i0, i2, j, b2len, lspace = 0, l2space = 0;
480 gmx_bool bFirst, bFitsOnLine;
482 /* characters are copied from buf to b2 with possible spaces changed
483 * into newlines and extra space added for indentation.
484 * i indexes buf (source buffer) and i2 indexes b2 (destination buffer)
485 * i0 points to the beginning of the current line (in buf, source)
486 * lspace and l2space point to the last space on the current line
487 * bFirst is set to prevent indentation of first line
488 * bFitsOnLine says if the first space occurred before line_width, if
489 * that is not the case, we have a word longer than line_width which
490 * will also not fit on the next line, so we might as well keep it on
491 * the current line (where it also won't fit, but looks better)
495 b2len = strlen(buf)+1+indent;
500 for (i2 = 0; (i2 < indent); i2++)
509 /* find the last space before end of line */
510 for (i = i0; ((i-i0 < line_width) || (l2space == -1)) && (buf[i]); i++)
513 /* remember the position of a space */
519 /* if we have a newline before the line is full, reset counters */
520 if (buf[i] == '\n' && buf[i+1])
525 /* add indentation after the newline */
526 for (j = 0; (j < indent); j++)
532 /* If we are at the last newline, copy it */
533 if (buf[i] == '\n' && !buf[i+1])
537 /* if we're not at the end of the string */
540 /* check if one word does not fit on the line */
541 bFitsOnLine = (i-i0 <= line_width);
542 /* reset line counters to just after the space */
545 /* if the words fit on the line, and we're beyond the indentation part */
546 if ( (bFitsOnLine) && (l2space >= indent) )
548 /* start a new line */
550 /* and add indentation */
555 line_width -= indent;
560 for (j = 0; (j < indent); j++)
564 /* no extra spaces after indent; */
565 while (buf[i0] == ' ')
580 str_to_int64_t(const char *str, char **endptr)
583 return strtoll(str, endptr, 10);
585 return _strtoi64(str, endptr, 10);
589 char *gmx_step_str(gmx_int64_t i, char *buf)
591 sprintf(buf, "%"GMX_PRId64, i);
595 void parse_digits_from_plain_string(const char *digitstring, int *ndigits, int **digitlist)
599 if (NULL == digitstring)
606 *ndigits = strlen(digitstring);
608 snew(*digitlist, *ndigits);
610 for (i = 0; i < *ndigits; i++)
612 if (digitstring[i] < '0' || digitstring[i] > '9')
614 gmx_fatal(FARGS, "Invalid character in digit-only string: '%c'\n",
617 (*digitlist)[i] = digitstring[i] - '0';
621 static void parse_digits_from_csv_string(const char gmx_unused *digitstring, int gmx_unused *ndigits, int gmx_unused *digitlist)
623 /* TODO Implement csv format to support (e.g.) more than 10
624 different GPUs in a node. */
625 gmx_incons("Not implemented yet");