basename.c

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#include <grass/gis.h>

#include <ctype.h>
#include <string.h>


char *G_basename(char *filename, const char *desired_ext)
{
    /* Find the last . in the filename */
    char *dot = strrchr(filename, '.');

    if (dot && G_strcasecmp(dot + 1, desired_ext) == 0)
        *dot = '\0';

    return filename;
}