diff options
Diffstat (limited to 'source/iniparser/src/strlib.c')
| -rw-r--r-- | source/iniparser/src/strlib.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/source/iniparser/src/strlib.c b/source/iniparser/src/strlib.c new file mode 100644 index 00000000000..3bfddaaebe2 --- /dev/null +++ b/source/iniparser/src/strlib.c @@ -0,0 +1,211 @@ + +/*-------------------------------------------------------------------------*/ +/** + @file strlib.c + @author N. Devillard + @date Jan 2001 + @version $Revision: 1.8 $ + @brief Various string handling routines to complement the C lib. + + This modules adds a few complementary string routines usually missing + in the standard C library. +*/ +/*--------------------------------------------------------------------------*/ + +/* + $Id: strlib.c,v 1.8 2002/12/12 10:29:16 ndevilla Exp $ + $Author: ndevilla $ + $Date: 2002/12/12 10:29:16 $ + $Revision: 1.8 $ +*/ + +/*--------------------------------------------------------------------------- + Includes + ---------------------------------------------------------------------------*/ + +#include <string.h> +#include <ctype.h> + +#include "strlib.h" + +/*--------------------------------------------------------------------------- + Defines + ---------------------------------------------------------------------------*/ +#define ASCIILINESZ 1024 + +/*--------------------------------------------------------------------------- + Function codes + ---------------------------------------------------------------------------*/ + + +/*-------------------------------------------------------------------------*/ +/** + @brief Convert a string to lowercase. + @param s String to convert. + @return ptr to statically allocated string. + + This function returns a pointer to a statically allocated string + containing a lowercased version of the input string. Do not free + or modify the returned string! Since the returned string is statically + allocated, it will be modified at each function call (not re-entrant). + */ +/*--------------------------------------------------------------------------*/ + +char * strlwc(char * s) +{ + static char l[ASCIILINESZ+1]; + int i ; + + if (s==NULL) return NULL ; + memset(l, 0, ASCIILINESZ+1); + i=0 ; + while (s[i] && i<ASCIILINESZ) { + l[i] = (char)tolower((int)s[i]); + i++ ; + } + l[ASCIILINESZ]=(char)0; + return l ; +} + + + +/*-------------------------------------------------------------------------*/ +/** + @brief Convert a string to uppercase. + @param s String to convert. + @return ptr to statically allocated string. + + This function returns a pointer to a statically allocated string + containing an uppercased version of the input string. Do not free + or modify the returned string! Since the returned string is statically + allocated, it will be modified at each function call (not re-entrant). + */ +/*--------------------------------------------------------------------------*/ + +char * strupc(char * s) +{ + static char l[ASCIILINESZ+1]; + int i ; + + if (s==NULL) return NULL ; + memset(l, 0, ASCIILINESZ+1); + i=0 ; + while (s[i] && i<ASCIILINESZ) { + l[i] = (char)toupper((int)s[i]); + i++ ; + } + l[ASCIILINESZ]=(char)0; + return l ; +} + + + +/*-------------------------------------------------------------------------*/ +/** + @brief Skip blanks until the first non-blank character. + @param s String to parse. + @return Pointer to char inside given string. + + This function returns a pointer to the first non-blank character in the + given string. + */ +/*--------------------------------------------------------------------------*/ + +char * strskp(char * s) +{ + char * skip = s; + if (s==NULL) return NULL ; + while (isspace((int)*skip) && *skip) skip++; + return skip ; +} + + + +/*-------------------------------------------------------------------------*/ +/** + @brief Remove blanks at the end of a string. + @param s String to parse. + @return ptr to statically allocated string. + + This function returns a pointer to a statically allocated string, + which is identical to the input string, except that all blank + characters at the end of the string have been removed. + Do not free or modify the returned string! Since the returned string + is statically allocated, it will be modified at each function call + (not re-entrant). + */ +/*--------------------------------------------------------------------------*/ + +char * strcrop(char * s) +{ + static char l[ASCIILINESZ+1]; + char * last ; + + if (s==NULL) return NULL ; + memset(l, 0, ASCIILINESZ+1); + strcpy(l, s); + last = l + strlen(l); + while (last > l) { + if (!isspace((int)*(last-1))) + break ; + last -- ; + } + *last = (char)0; + return l ; +} + + + +/*-------------------------------------------------------------------------*/ +/** + @brief Remove blanks at the beginning and the end of a string. + @param s String to parse. + @return ptr to statically allocated string. + + This function returns a pointer to a statically allocated string, + which is identical to the input string, except that all blank + characters at the end and the beg. of the string have been removed. + Do not free or modify the returned string! Since the returned string + is statically allocated, it will be modified at each function call + (not re-entrant). + */ +/*--------------------------------------------------------------------------*/ +char * strstrip(char * s) +{ + static char l[ASCIILINESZ+1]; + char * last ; + + if (s==NULL) return NULL ; + + while (isspace((int)*s) && *s) s++; + + memset(l, 0, ASCIILINESZ+1); + strcpy(l, s); + last = l + strlen(l); + while (last > l) { + if (!isspace((int)*(last-1))) + break ; + last -- ; + } + *last = (char)0; + + return (char*)l ; +} + +/* Test code */ +#ifdef TEST +int main(int argc, char * argv[]) +{ + char * str ; + + str = "\t\tI'm a lumberkack and I'm OK " ; + printf("lowercase: [%s]\n", strlwc(str)); + printf("uppercase: [%s]\n", strupc(str)); + printf("skipped : [%s]\n", strskp(str)); + printf("cropped : [%s]\n", strcrop(str)); + printf("stripped : [%s]\n", strstrip(str)); + + return 0 ; +} +#endif +/* vim: set ts=4 et sw=4 tw=75 */ |