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38 /* This file is completely threadsafe - keep it that way! */
42 #include "visibility.h"
43 #include "gmx_header_config.h"
53 #include <sys/types.h>
56 #ifdef HAVE_SYS_TIME_H
69 #include "gmx_fatal.h"
74 int continuing(char *s)
75 /* strip trailing spaces and if s ends with a CONTINUE remove that too.
76 * returns TRUE if s ends with a CONTINUE, FALSE otherwise.
84 if ((sl > 0) && (s[sl-1] == CONTINUE)) {
94 char *fgets2(char *line, int n, FILE *stream)
95 /* This routine reads a string from stream of max length n
96 * and zero terminated, without newlines
97 * line should be long enough (>= n)
101 if (fgets(line,n,stream) == NULL) {
104 if ((c=strchr(line,'\n')) != NULL) {
107 /* A line not ending in a newline can only occur at the end of a file,
108 * or because of n being too small.
109 * Since both cases occur very infrequently, we can check for EOF.
111 if (!gmx_eof(stream)) {
112 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);
115 if ((c=strchr(line,'\r')) != NULL) {
122 void strip_comment (char *line)
129 /* search for a comment mark and replace it by a zero */
130 if ((c = strchr(line,COMMENTSIGN)) != NULL)
134 void upstring (char *str)
138 for (i=0; (i < (int)strlen(str)); i++)
139 str[i] = toupper(str[i]);
142 void ltrim (char *str)
151 while (('\0' != str[c]) && isspace(str[c]))
155 for(i=c; ('\0' != str[i]); i++)
161 void rtrim (char *str)
169 while ((nul > 0) && ((str[nul] == ' ') || (str[nul] == '\t')) ) {
175 void trim (char *str)
183 gmx_ctime_r(const time_t *clock,char *buf, int n)
187 #ifdef GMX_NATIVE_WINDOWS
189 ctime_s( tmpbuf, STRLEN, clock );
190 #elif (defined(__sun))
192 ctime_r(clock, tmpbuf, n);
194 ctime_r(clock,tmpbuf);
196 strncpy(buf,tmpbuf,n-1);
202 void nice_header (FILE *out,const char *fn)
204 const char *unk = "onbekend";
206 const char *user=unk;
210 char timebuf[STRLEN];
215 /* Print a nice header above the file */
217 fprintf (out,"%c\n",COMMENTSIGN);
218 fprintf (out,"%c\tFile '%s' was generated\n",COMMENTSIGN,fn ? fn : unk);
223 gh = gethostname(buf,255);
230 gmx_ctime_r(&clock,timebuf,STRLEN);
231 fprintf (out,"%c\tBy user: %s (%d)\n",COMMENTSIGN,
232 user ? user : unk,(int) uid);
233 fprintf(out,"%c\tOn host: %s\n",COMMENTSIGN,(gh == 0) ? buf : unk);
235 fprintf (out,"%c\tAt date: %s",COMMENTSIGN,timebuf);
236 fprintf (out,"%c\n",COMMENTSIGN);
240 int gmx_strcasecmp_min(const char *str1, const char *str2)
248 ch1=toupper(*(str1++));
250 while ((ch1=='-') || (ch1=='_'));
253 ch2=toupper(*(str2++));
255 while ((ch2=='-') || (ch2=='_'));
257 if (ch1!=ch2) return (ch1-ch2);
263 int gmx_strncasecmp_min(const char *str1, const char *str2, int n)
274 ch1=toupper(*(str1++));
276 while ((ch1=='-') || (ch1=='_'));
279 ch2=toupper(*(str2++));
281 while ((ch2=='-') || (ch2=='_'));
283 if (ch1!=ch2) return (ch1-ch2);
285 while (ch1 && (str1-stri1<n) && (str2-stri2<n));
289 int gmx_strcasecmp(const char *str1, const char *str2)
295 ch1=toupper(*(str1++));
296 ch2=toupper(*(str2++));
297 if (ch1!=ch2) return (ch1-ch2);
303 int gmx_strncasecmp(const char *str1, const char *str2, int n)
312 ch1=toupper(*(str1++));
313 ch2=toupper(*(str2++));
314 if (ch1!=ch2) return (ch1-ch2);
321 char *gmx_strdup(const char *src)
325 snew(dest,strlen(src)+1);
332 gmx_strndup(const char *src, int n)
343 strncpy(dest, src, len);
348 /* Magic hash init number for Dan J. Bernsteins algorithm.
349 * Do NOT use any other value unless you really know what you are doing.
352 gmx_string_hash_init = 5381;
356 gmx_string_hash_func(const char *s, unsigned int hash_init)
360 while ((c = toupper(*s++)) != '\0')
362 if(isalnum(c)) hash_init = ((hash_init << 5) + hash_init) ^ c; /* (hash * 33) xor c */
368 * \param[in] pattern Pattern to match against.
369 * \param[in] str String to match.
370 * \returns 0 on match, GMX_NO_WCMATCH if there is no match.
372 * Matches \p str against \p pattern, which may contain * and ? wildcards.
373 * All other characters are matched literally.
374 * Currently, it is not possible to match literal * or ?.
377 gmx_wcmatch(const char *pattern, const char *str)
383 /* Skip multiple wildcards in a sequence */
384 while (*pattern == '*' || *pattern == '?')
387 /* For ?, we need to check that there are characters left
393 return GMX_NO_WCMATCH;
401 /* If the pattern ends after the star, we have a match */
406 /* Match the rest against each possible suffix of str */
409 /* Only do the recursive call if the first character
410 * matches. We don't have to worry about wildcards here,
411 * since we have processed them above. */
412 if (*pattern == *str)
415 /* Match the suffix, and return if a match or an error */
416 rc = gmx_wcmatch(pattern, str);
417 if (rc != GMX_NO_WCMATCH)
424 /* If no suffix of str matches, we don't have a match */
425 return GMX_NO_WCMATCH;
427 else if ((*pattern == '?' && *str != 0) || *pattern == *str)
433 return GMX_NO_WCMATCH;
437 /* When the pattern runs out, we have a match if the string has ended. */
438 return (*str == 0) ? 0 : GMX_NO_WCMATCH;
441 char *wrap_lines(const char *buf,int line_width, int indent,gmx_bool bIndentFirst)
444 int i,i0,i2,j,b2len,lspace=0,l2space=0;
445 gmx_bool bFirst,bFitsOnLine;
447 /* characters are copied from buf to b2 with possible spaces changed
448 * into newlines and extra space added for indentation.
449 * i indexes buf (source buffer) and i2 indexes b2 (destination buffer)
450 * i0 points to the beginning of the current line (in buf, source)
451 * lspace and l2space point to the last space on the current line
452 * bFirst is set to prevent indentation of first line
453 * bFitsOnLine says if the first space occurred before line_width, if
454 * that is not the case, we have a word longer than line_width which
455 * will also not fit on the next line, so we might as well keep it on
456 * the current line (where it also won't fit, but looks better)
460 b2len=strlen(buf)+1+indent;
464 for(i2=0; (i2<indent); i2++)
469 /* find the last space before end of line */
470 for(i=i0; ((i-i0 < line_width) || (l2space==-1)) && (buf[i]); i++) {
472 /* remember the position of a space */
477 /* if we have a newline before the line is full, reset counters */
478 if (buf[i]=='\n' && buf[i+1]) {
482 /* add indentation after the newline */
483 for(j=0; (j<indent); j++)
487 /* If we are at the last newline, copy it */
488 if (buf[i]=='\n' && !buf[i+1]) {
491 /* if we're not at the end of the string */
493 /* check if one word does not fit on the line */
494 bFitsOnLine = (i-i0 <= line_width);
495 /* reset line counters to just after the space */
498 /* if the words fit on the line, and we're beyond the indentation part */
499 if ( (bFitsOnLine) && (l2space >= indent) ) {
500 /* start a new line */
502 /* and add indentation */
510 for(j=0; (j<indent); j++)
512 /* no extra spaces after indent; */
524 char **split(char sep,char *str)
532 for(n=0; (n<nn); n++)
537 while (*str != '\0') {
538 while ((*str != '\0') && (*str == sep))
541 snew(ptr[nptr],1+strlen(str));
543 while ((*str != '\0') && (*str != sep)) {
559 str_to_large_int_t(const char *str, char **endptr)
562 gmx_large_int_t val = 0;
573 /* Strip off initial white space */
578 /* Conform to ISO C99 - return original pointer if string does not contain a number */
590 while( ((ch=*p) != '\0') && isdigit(ch) )
592 /* Important to add sign here, so we dont overflow in final multiplication */
597 /* Some sort of overflow has occured, set endptr to original string */
610 char *gmx_strsep(char **stringp, const char *delim)
613 int len=strlen(delim);
622 if ( (*stringp)[j] == '\0')
630 if ( (*stringp)[j]==delim[i])
633 *stringp=*stringp+j+1;