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by Stephan Hermann
Import upstream version 203 |
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/* $XTermId: xstrings.c,v 1.22 2005/01/14 01:50:03 tom Exp $ */
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/* $XFree86: xc/programs/xterm/xstrings.c,v 1.9 2005/01/14 01:50:03 dickey Exp $ */
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/************************************************************
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Copyright 2000-2004,2005 by Thomas E. Dickey
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All Rights Reserved
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name(s) of the above copyright
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holders shall not be used in advertising or otherwise to promote the
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sale, use or other dealings in this Software without prior written
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authorization.
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********************************************************/
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#include <xterm.h> |
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#include <sys/types.h> |
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#include <string.h> |
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#include <ctype.h> |
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#include <xstrings.h> |
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char * |
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x_basename(char *name) |
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{
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char *cp; |
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cp = strrchr(name, '/'); |
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#ifdef __UNIXOS2__
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if (cp == 0) |
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cp = strrchr(name, '\\'); |
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#endif
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return (cp ? cp + 1 : name); |
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}
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int
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x_strcasecmp(const char *s1, const char *s2) |
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{
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unsigned len = strlen(s1); |
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if (len != strlen(s2)) |
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return 1; |
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while (len-- != 0) { |
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int c1 = toupper(CharOf(*s1)); |
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int c2 = toupper(CharOf(*s2)); |
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if (c1 != c2) |
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return 1; |
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s1++, s2++; |
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}
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return 0; |
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}
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/*
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* Allocates a copy of a string
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*/
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char * |
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x_strdup(const char *s) |
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{
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char *result = 0; |
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if (s != 0) { |
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char *t = CastMallocN(char, strlen(s)); |
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if (t != 0) { |
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strcpy(t, s); |
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}
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result = t; |
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}
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return result; |
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}
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/*
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* Returns a pointer to the first occurrence of s2 in s1,
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* or NULL if there are none.
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*/
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char * |
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x_strindex(char *s1, char *s2) |
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{
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char *s3; |
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size_t s2len = strlen(s2); |
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while ((s3 = strchr(s1, *s2)) != NULL) { |
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if (strncmp(s3, s2, s2len) == 0) |
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return (s3); |
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s1 = ++s3; |
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}
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return (NULL); |
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}
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/*
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* Trims leading/trailing spaces from the string, returns a copy of it if it
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* is modified.
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*/
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char * |
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x_strtrim(char *s) |
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{
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char *base = s; |
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char *d; |
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if (s != 0 && *s != '\0') { |
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char *t = x_strdup(base); |
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s = t; |
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d = s; |
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while (isspace(CharOf(*s))) { |
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++s; |
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}
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while ((*d++ = *s++) != '\0') { |
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;
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}
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if (*t != '\0') { |
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s = t + strlen(t); |
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while (s != t && isspace(CharOf(s[-1]))) { |
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*--s = '\0'; |
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}
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}
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if (!strcmp(t, base)) { |
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free(t); |
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} else { |
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base = t; |
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}
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}
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return base; |
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}
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