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37 /* This file is completely threadsafe - keep it that way! */
40 #include "cstringutil.h"
49 #include "gromacs/utility/basedefinitions.h"
50 #include "gromacs/utility/fatalerror.h"
51 #include "gromacs/utility/futil.h"
52 #include "gromacs/utility/smalloc.h"
53 #include "gromacs/utility/sysinfo.h"
55 int continuing(char *s)
62 if ((sl > 0) && (s[sl-1] == CONTINUE))
75 char *fgets2(char *line, int n, FILE *stream)
78 if (fgets(line, n, stream) == NULL)
82 if ((c = strchr(line, '\n')) != NULL)
88 /* A line not ending in a newline can only occur at the end of a file,
89 * or because of n being too small.
90 * Since both cases occur very infrequently, we can check for EOF.
94 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);
97 if ((c = strchr(line, '\r')) != NULL)
105 void strip_comment (char *line)
114 /* search for a comment mark and replace it by a zero */
115 if ((c = strchr(line, COMMENTSIGN)) != NULL)
121 void upstring (char *str)
125 for (i = 0; (i < (int)strlen(str)); i++)
127 str[i] = toupper(str[i]);
131 void ltrim (char *str)
141 while (('\0' != str[c]) && isspace(str[c]))
147 for (i = c; ('\0' != str[i]); i++)
155 void rtrim (char *str)
165 while ((nul > 0) && ((str[nul] == ' ') || (str[nul] == '\t')) )
172 void trim (char *str)
178 void nice_header(FILE *out, const char *fn)
183 char timebuf[STRLEN];
185 /* Print a nice header above the file */
186 fprintf(out, "%c\n", COMMENTSIGN);
187 fprintf(out, "%c\tFile '%s' was generated\n", COMMENTSIGN, fn ? fn : "unknown");
190 gmx_getusername(userbuf, 256);
191 gmx_gethostname(hostbuf, 256);
192 gmx_format_current_time(timebuf, STRLEN);
194 fprintf(out, "%c\tBy user: %s (%d)\n", COMMENTSIGN, userbuf, uid);
195 fprintf(out, "%c\tOn host: %s\n", COMMENTSIGN, hostbuf);
196 fprintf(out, "%c\tAt date: %s\n", COMMENTSIGN, timebuf);
197 fprintf(out, "%c\n", COMMENTSIGN);
200 int gmx_strcasecmp_min(const char *str1, const char *str2)
208 ch1 = toupper(*(str1++));
210 while ((ch1 == '-') || (ch1 == '_'));
213 ch2 = toupper(*(str2++));
215 while ((ch2 == '-') || (ch2 == '_'));
226 int gmx_strncasecmp_min(const char *str1, const char *str2, int n)
231 stri1 = (char *)str1;
232 stri2 = (char *)str2;
237 ch1 = toupper(*(str1++));
239 while ((ch1 == '-') || (ch1 == '_'));
242 ch2 = toupper(*(str2++));
244 while ((ch2 == '-') || (ch2 == '_'));
251 while (ch1 && (str1-stri1 < n) && (str2-stri2 < n));
255 int gmx_strcasecmp(const char *str1, const char *str2)
261 ch1 = toupper(*(str1++));
262 ch2 = toupper(*(str2++));
272 int gmx_strncasecmp(const char *str1, const char *str2, int n)
283 ch1 = toupper(*(str1++));
284 ch2 = toupper(*(str2++));
295 char *gmx_strdup(const char *src)
299 snew(dest, strlen(src)+1);
306 gmx_strndup(const char *src, int n)
317 strncpy(dest, src, len);
322 /* Magic hash init number for Dan J. Bernsteins algorithm.
323 * Do NOT use any other value unless you really know what you are doing.
326 gmx_string_hash_init = 5381;
330 gmx_string_fullhash_func(const char *s, unsigned int hash_init)
334 while ((c = (*s++)) != '\0')
336 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
342 gmx_string_hash_func(const char *s, unsigned int hash_init)
346 while ((c = toupper(*s++)) != '\0')
350 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
357 gmx_wcmatch(const char *pattern, const char *str)
363 /* Skip multiple wildcards in a sequence */
364 while (*pattern == '*' || *pattern == '?')
367 /* For ?, we need to check that there are characters left
373 return GMX_NO_WCMATCH;
381 /* If the pattern ends after the star, we have a match */
386 /* Match the rest against each possible suffix of str */
389 /* Only do the recursive call if the first character
390 * matches. We don't have to worry about wildcards here,
391 * since we have processed them above. */
392 if (*pattern == *str)
395 /* Match the suffix, and return if a match or an error */
396 rc = gmx_wcmatch(pattern, str);
397 if (rc != GMX_NO_WCMATCH)
404 /* If no suffix of str matches, we don't have a match */
405 return GMX_NO_WCMATCH;
407 else if ((*pattern == '?' && *str != 0) || *pattern == *str)
413 return GMX_NO_WCMATCH;
417 /* When the pattern runs out, we have a match if the string has ended. */
418 return (*str == 0) ? 0 : GMX_NO_WCMATCH;
421 char *wrap_lines(const char *buf, int line_width, int indent, gmx_bool bIndentFirst)
424 int i, i0, i2, j, b2len, lspace = 0, l2space = 0;
425 gmx_bool bFirst, bFitsOnLine;
427 /* characters are copied from buf to b2 with possible spaces changed
428 * into newlines and extra space added for indentation.
429 * i indexes buf (source buffer) and i2 indexes b2 (destination buffer)
430 * i0 points to the beginning of the current line (in buf, source)
431 * lspace and l2space point to the last space on the current line
432 * bFirst is set to prevent indentation of first line
433 * bFitsOnLine says if the first space occurred before line_width, if
434 * that is not the case, we have a word longer than line_width which
435 * will also not fit on the next line, so we might as well keep it on
436 * the current line (where it also won't fit, but looks better)
440 b2len = strlen(buf)+1+indent;
445 for (i2 = 0; (i2 < indent); i2++)
454 /* find the last space before end of line */
455 for (i = i0; ((i-i0 < line_width) || (l2space == -1)) && (buf[i]); i++)
458 /* remember the position of a space */
464 /* if we have a newline before the line is full, reset counters */
465 if (buf[i] == '\n' && buf[i+1])
470 /* add indentation after the newline */
471 for (j = 0; (j < indent); j++)
477 /* If we are at the last newline, copy it */
478 if (buf[i] == '\n' && !buf[i+1])
482 /* if we're not at the end of the string */
485 /* check if one word does not fit on the line */
486 bFitsOnLine = (i-i0 <= line_width);
487 /* reset line counters to just after the space */
490 /* if the words fit on the line, and we're beyond the indentation part */
491 if ( (bFitsOnLine) && (l2space >= indent) )
493 /* start a new line */
495 /* and add indentation */
500 line_width -= indent;
505 for (j = 0; (j < indent); j++)
509 /* no extra spaces after indent; */
510 while (buf[i0] == ' ')
525 str_to_int64_t(const char *str, char **endptr)
528 return strtoll(str, endptr, 10);
530 return _strtoi64(str, endptr, 10);
534 char *gmx_step_str(gmx_int64_t i, char *buf)
536 sprintf(buf, "%" GMX_PRId64, i);
540 void parse_digits_from_plain_string(const char *digitstring, int *ndigits, int **digitlist)
544 if (NULL == digitstring)
551 *ndigits = strlen(digitstring);
553 snew(*digitlist, *ndigits);
555 for (i = 0; i < *ndigits; i++)
557 if (digitstring[i] < '0' || digitstring[i] > '9')
559 gmx_fatal(FARGS, "Invalid character in digit-only string: '%c'\n",
562 (*digitlist)[i] = digitstring[i] - '0';
566 static void parse_digits_from_csv_string(const char gmx_unused *digitstring, int gmx_unused *ndigits, int gmx_unused *digitlist)
568 /* TODO Implement csv format to support (e.g.) more than 10
569 different GPUs in a node. */
570 gmx_incons("Not implemented yet");