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37 /* This file is completely threadsafe - keep it that way! */
40 #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";
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;
246 gmx_ctime_r(&clock, timebuf, STRLEN);
247 fprintf (out, "%c\tBy user: %s (%d)\n", COMMENTSIGN,
248 user ? user : unk, (int) uid);
249 fprintf(out, "%c\tOn host: %s\n", COMMENTSIGN, (gh == 0) ? buf : unk);
251 fprintf (out, "%c\tAt date: %s", COMMENTSIGN, timebuf);
252 fprintf (out, "%c\n", COMMENTSIGN);
256 int gmx_strcasecmp_min(const char *str1, const char *str2)
264 ch1 = toupper(*(str1++));
266 while ((ch1 == '-') || (ch1 == '_'));
269 ch2 = toupper(*(str2++));
271 while ((ch2 == '-') || (ch2 == '_'));
282 int gmx_strncasecmp_min(const char *str1, const char *str2, int n)
287 stri1 = (char *)str1;
288 stri2 = (char *)str2;
293 ch1 = toupper(*(str1++));
295 while ((ch1 == '-') || (ch1 == '_'));
298 ch2 = toupper(*(str2++));
300 while ((ch2 == '-') || (ch2 == '_'));
307 while (ch1 && (str1-stri1 < n) && (str2-stri2 < n));
311 int gmx_strcasecmp(const char *str1, const char *str2)
317 ch1 = toupper(*(str1++));
318 ch2 = toupper(*(str2++));
328 int gmx_strncasecmp(const char *str1, const char *str2, int n)
339 ch1 = toupper(*(str1++));
340 ch2 = toupper(*(str2++));
351 char *gmx_strdup(const char *src)
355 snew(dest, strlen(src)+1);
362 gmx_strndup(const char *src, int n)
373 strncpy(dest, src, len);
378 /* Magic hash init number for Dan J. Bernsteins algorithm.
379 * Do NOT use any other value unless you really know what you are doing.
382 gmx_string_hash_init = 5381;
386 gmx_string_fullhash_func(const char *s, unsigned int hash_init)
390 while ((c = (*s++)) != '\0')
392 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
398 gmx_string_hash_func(const char *s, unsigned int hash_init)
402 while ((c = toupper(*s++)) != '\0')
406 hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
413 gmx_wcmatch(const char *pattern, const char *str)
419 /* Skip multiple wildcards in a sequence */
420 while (*pattern == '*' || *pattern == '?')
423 /* For ?, we need to check that there are characters left
429 return GMX_NO_WCMATCH;
437 /* If the pattern ends after the star, we have a match */
442 /* Match the rest against each possible suffix of str */
445 /* Only do the recursive call if the first character
446 * matches. We don't have to worry about wildcards here,
447 * since we have processed them above. */
448 if (*pattern == *str)
451 /* Match the suffix, and return if a match or an error */
452 rc = gmx_wcmatch(pattern, str);
453 if (rc != GMX_NO_WCMATCH)
460 /* If no suffix of str matches, we don't have a match */
461 return GMX_NO_WCMATCH;
463 else if ((*pattern == '?' && *str != 0) || *pattern == *str)
469 return GMX_NO_WCMATCH;
473 /* When the pattern runs out, we have a match if the string has ended. */
474 return (*str == 0) ? 0 : GMX_NO_WCMATCH;
477 char *wrap_lines(const char *buf, int line_width, int indent, gmx_bool bIndentFirst)
480 int i, i0, i2, j, b2len, lspace = 0, l2space = 0;
481 gmx_bool bFirst, bFitsOnLine;
483 /* characters are copied from buf to b2 with possible spaces changed
484 * into newlines and extra space added for indentation.
485 * i indexes buf (source buffer) and i2 indexes b2 (destination buffer)
486 * i0 points to the beginning of the current line (in buf, source)
487 * lspace and l2space point to the last space on the current line
488 * bFirst is set to prevent indentation of first line
489 * bFitsOnLine says if the first space occurred before line_width, if
490 * that is not the case, we have a word longer than line_width which
491 * will also not fit on the next line, so we might as well keep it on
492 * the current line (where it also won't fit, but looks better)
496 b2len = strlen(buf)+1+indent;
501 for (i2 = 0; (i2 < indent); i2++)
510 /* find the last space before end of line */
511 for (i = i0; ((i-i0 < line_width) || (l2space == -1)) && (buf[i]); i++)
514 /* remember the position of a space */
520 /* if we have a newline before the line is full, reset counters */
521 if (buf[i] == '\n' && buf[i+1])
526 /* add indentation after the newline */
527 for (j = 0; (j < indent); j++)
533 /* If we are at the last newline, copy it */
534 if (buf[i] == '\n' && !buf[i+1])
538 /* if we're not at the end of the string */
541 /* check if one word does not fit on the line */
542 bFitsOnLine = (i-i0 <= line_width);
543 /* reset line counters to just after the space */
546 /* if the words fit on the line, and we're beyond the indentation part */
547 if ( (bFitsOnLine) && (l2space >= indent) )
549 /* start a new line */
551 /* and add indentation */
556 line_width -= indent;
561 for (j = 0; (j < indent); j++)
565 /* no extra spaces after indent; */
566 while (buf[i0] == ' ')
581 str_to_int64_t(const char *str, char **endptr)
584 return strtoll(str, endptr, 10);
586 return _strtoi64(str, endptr, 10);
590 char *gmx_step_str(gmx_int64_t i, char *buf)
592 sprintf(buf, "%"GMX_PRId64, i);
596 void parse_digits_from_plain_string(const char *digitstring, int *ndigits, int **digitlist)
600 if (NULL == digitstring)
607 *ndigits = strlen(digitstring);
609 snew(*digitlist, *ndigits);
611 for (i = 0; i < *ndigits; i++)
613 if (digitstring[i] < '0' || digitstring[i] > '9')
615 gmx_fatal(FARGS, "Invalid character in digit-only string: '%c'\n",
618 (*digitlist)[i] = digitstring[i] - '0';
622 static void parse_digits_from_csv_string(const char gmx_unused *digitstring, int gmx_unused *ndigits, int gmx_unused *digitlist)
624 /* TODO Implement csv format to support (e.g.) more than 10
625 different GPUs in a node. */
626 gmx_incons("Not implemented yet");