rtpg_trim()

char* rtpg_trim

(

const char *

input

)

Definition at line 226 of file rtpg_internal.c.

Referenced by _PG_init(), RASTER_asGDALRaster(), RASTER_asRaster(), RASTER_colorMap(), RASTER_GDALWarp(), RASTER_mapAlgebra2(), RASTER_nMapAlgebra(), and RASTER_nMapAlgebraExpr().

                             {
        char *rtn;
        char *ptr;
        uint32_t offset = 0;
        int inputlen = 0;

        if (!input)
                return NULL;
        else if (!*input)
                return (char *) input;

        /* trim left */
        while (isspace(*input) && *input != '\0')
                input++;

        /* trim right */
        inputlen = strlen(input);
        if (inputlen) {
                ptr = ((char *) input) + inputlen;
                while (isspace(*--ptr))
                        offset++;
        }

        rtn = palloc(sizeof(char) * (inputlen - offset + 1));
        if (rtn == NULL) {
                fprintf(stderr, "Not enough memory\n");
                return NULL;
        }
        strncpy(rtn, input, inputlen - offset);
        rtn[inputlen - offset] = '\0';

        return rtn;
}

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